Nostr notes by bootlace

?: protect battery from heat and cold and fire risks

2026-10-07T16:46:15Z

In reply to nevent1q…fpze
_________________________

?: protect battery from heat and cold and fire risks

From AI: You are likely seeing headlines regarding a major ...

2026-09-25T12:29:30Z

From AI:

You are likely seeing headlines regarding a major emergency security update released by The Tor Project (version 0.4.9.13).

The advisory covers high-severity vulnerabilities affecting the entire Tor network—including relays, clients, and onion services.

Here is a quick breakdown of what is going on:

Key Details

* The Scope: The patch addresses multiple tracked vulnerabilities (using Tor's internal TROVE identifiers) spanning memory corruptions, use-after-free conditions in connection handling, and stream isolation bugs.

* Anonymity & Relay Risks: Some of the flaws could theoretically allow a malicious .onion site or compromised HSDir relay to link browsing activities across separate sessions or bypass stream isolation. Other bugs involve potential denial-of-service vectors via connection flooding or memory issues in reverse DNS resolution.

* The "AI Firehose" Context: The Tor Project noted that an influx of automated bug reports (often referred to as an LLM/AI vulnerability report wave) led to a massive batch of findings that maintainers had to rapidly verify, patch, and test.

* Active Exploits? At the time of the release, reports indicate there are no confirmed exploits actively running in the wild, and full technical write-ups are being temporarily held back to give operators time to update safely.

What You Should Do

* Network/Relay Operators: The Tor Project strongly urges an immediate upgrade to 0.4.9.13.

* Tor Browser Users: Keep in mind that stable Tor Browser builds (such as 15.0.23) may lag slightly behind core network releases. If you are engaging in sensitive browsing, it is best to exercise caution and wait for the upcoming Tor Browser update that fully bundles these core security fixes.

quoting
nevent1q…rhz4
High-severity vulnerabilities are affecting Tor across the entire network:

https://cybernews.com/security/tor-emergency-fixes-adress-high-severity-vulnerabilities/?utm_source=cn_twitter&utm_medium=social&utm_campaign=cybernews&utm_content=post&source=cn_twitter&medium=social&campaign=cybernews&content=post

Add: allow giving a rating to those that one follows, so ...

2026-09-24T19:37:25Z

In reply to nevent1q…xfsz
_________________________

Add: allow giving a rating to those that one follows, so higher-rated-follow posts float a little higher in the feed

Hi @nprofile…eshg looks like the caching server cert expired in ...

2026-09-24T02:01:19Z

Hi primal (nprofile…eshg) looks like the caching server cert expired in August:

$ openssl s_client -connect cache2.primal.net:443 -servername cache2.primal.net </dev/null 2>&1 | grep notAfter
notAfter=Aug 27 19:51:35 2026 GMT
notAfter=Aug 27 19:51:35 2026 GMT

$ curl -vI https://cache2.primal.net/v1
* Uses proxy env variable all_proxy == 'socks5h://127.0.0.1:9050'
* Trying 127.0.0.1:9050...
* Connected to 127.0.0.1 (127.0.0.1) port 9050
* SOCKS5 connect to cache2.primal.net:443 (remotely resolved)
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 9050
* ALPN: curl offers h2,http/1.1
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* CAfile: /etc/ssl/certs/ca-certificates.crt
* CApath: /etc/ssl/certs
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (OUT), TLS alert, certificate expired (557):
* SSL certificate problem: certificate has expired
* Closing connection
curl: (60) SSL certificate problem: certificate has expired
More details here: https://curl.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above

https://cache2.primal.net/v1Result:
Your connection is not private
Attackers might be trying to steal your information from cache2.primal.net (for example, passwords, messages, or credit cards). Learn more about this warning
net::ERR_CERT_DATE_INVALID

I'm nervous links to YouTube or other Google properties, like ...

2026-09-22T16:44:27Z

In reply to nevent1q…vgv0
_________________________

I'm nervous links to YouTube or other Google properties, like Google Drive docs or sheets, may leak my identity inadvertently. I think same applies to any external links to other similar major infrastructure players. I don't want to carry two phones just to check nostr a couple of times a day.

For what it's worth, we added this section about verifying ...

2026-08-26T18:06:30Z

In reply to nevent1q…yfr9
_________________________

For what it's worth, we added this section about verifying the sd card:

https://github.com/bootlace-dev/subzero-keyosk#-physical-media--sd-card-verification

Also, we simplified the screen rendering process, and also made it testnet4-only for now until it gets more eyes on it (kind of test-driven development, TDD).

HSAs are amazing! Thanks for offering this service! Can you ...

2026-08-26T13:10:04Z

In reply to nevent1q…5yhu
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HSAs are amazing! Thanks for offering this service!

Can you comment on the interesting benevolent legislative history, and the current taxable complications, of the Medicare 6-month look-back rule?

Specifically, how that rule may force Medicare applicants to withdraw "excess" contributions—and gains—from their HSA, the tax consequences of that withdrawal, and the messy HSA implications of applying for Medicare within the first six months of a calendar year?

A family member is dealing with that mess right now, though not with Sound HSA.

Animated walk-through: ...

2026-08-26T00:51:50Z

In reply to nevent1q…9jsz
_________________________

Animated walk-through:

me and my million llm monkeys made some major mods focusing on ...

2026-08-26T00:48:00Z

In reply to nevent1q…lpkt
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me and my million llm monkeys made some major mods

focusing on testnet4 for the time being

pc and rpi builds available for review, audit, testing, and feedback, please, thanks:

https://github.com/bootlace-dev/subzero-keyosk/releases

(test entropy vectors pre-loaded with testnet sats!)

A tiny, auditable live USB/SD image (.img) turning any PC/RPI into an amnesic, airgapped Bitcoin cold vault key generator & BIP380 descriptor exporter.

From AI: You did indeed see that correctly. That headline stems ...

2026-08-25T13:43:18Z

In reply to nevent1q…mmuh
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From AI:

You did indeed see that correctly. That headline stems from a real and developing story today that has sparked significant speculation.
Here is a breakdown of what is actually known so far:
The Flight: Flight tracking data showed a U.S. Air Force C-17 flying from Riga, Latvia, and landing in Moscow today (Tuesday, August 25).
The Convoy: Shortly after the landing, footage began circulating in Moscow showing a motorcade operating with U.S. diplomatic license plates.
The Speculation: Because neither Washington nor Moscow announced a diplomatic visit, theories are swirling that the convoy is tied to covert backchannel negotiations or secret talks regarding the war in Ukraine.
What officials are saying:
Right now, both sides are staying tight-lipped. The U.S. European Command has declined to offer any information regarding the flight's mission, passengers, or cargo. On the Russian side, Kremlin spokesman Dmitry Peskov claimed to have no information about the aircraft and stated there are no meetings planned with U.S. administration officials in Moscow this week.
Because there is no official confirmation yet, the situation remains highly speculative.

I notice you say "before every sign". Note that ...

2026-08-25T01:18:52Z

In reply to nevent1q…6jhg
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I notice you say "before every sign". Note that subzero-keyosk is not a signer, it's for seed generation only.

Yes, the Pi build is 100% Alpine too, built up from ...

2026-08-25T01:14:52Z

In reply to nevent1q…yfr9
_________________________

Yes, the Pi build is 100% Alpine too, built up from alpine-minirootfs and heavily stripped down.

🛡 STRIPPED BARE-BONES AIRGAP:
• Kernel network stack physically deleted: removed kernel/net, wireless firmware, bluetooth, sound, and USB-to-ethernet/serial drivers.
• Strace library whitelist: the builder traces exact .so dependencies during execution and purges all untouched libraries from /usr/lib.
• Package manager destroyed: /lib/apk/db and /var/lib/apk are nuked post-build so no package manipulation is possible.
• Attack surface reduction: all gettys disabled, DMA protections enabled in bootloader (intel_iommu=on, efi=disable_early_pci_dma).

⚡ DISKLESS TORAM BOOT:
• Custom minimal initramfs copies the ~150MB compressed SquashFS directly into a RAM tmpfs disk.
• Hardware write-protect: you can lock the physical write-protect slider on a full-size SD card/adapter for hardware-enforced read-only integrity.
• Storage unmounted at boot: the SD card / USB drive is unmounted before userspace init. You can physically pull the media once booted.
• Zero SD wear: the disk is never mounted writable during operation. Cold power-cycle wipes RAM instantly.

Repo with build scripts and release images:
https://github.com/bootlace-dev/subzero-keyosk

Please review, audit, and comment. Thanks!

Which hardware vendor will be first to _hide_ the easy button? My ...

2026-08-24T23:09:00Z

In reply to nevent1q…5mqd
_________________________

Which hardware vendor will be first to _hide_ the easy button?

My attempt to address the problem:

https://github.com/bootlace-dev/subzero-keyosk/releases

Please verify, audit, review. Thanks!

From AI: Yes, unfortunately, a severe and devastating tornado ...

2026-08-24T23:03:57Z

In reply to nevent1q…49lh
_________________________

From AI:

Yes, unfortunately, a severe and devastating tornado struck the village of Pomas today, August 24, 2026.
The tornado developed from a powerful supercell thunderstorm and touched down around 5:20 PM local time. Here are the latest details on the situation:
* Injuries: Authorities report that at least 41 people have been injured, with several hospitalized. Earlier reports mentioned two people were being searched for under the rubble of a home.
* Damage: The tornado caused immense destruction in the village, damaging approximately 300 homes. Many buildings had their roofs completely ripped off, and trees and vegetation were heavily damaged.
* Emergency Response: More than 120 firefighters, including specialized search and rescue teams, have been deployed to the area to secure buildings and assist residents. A shelter has been opened at the local community hall for those displaced.
* Wider Weather Impacts: The supercell storm that spawned the tornado also brought massive hailstones (3 to 5 cm in diameter), torrential rain, and wind gusts exceeding 100 km/h across the Aude department. The severe weather even forced officials to cancel the third stage of the Vuelta a España cycling race, which was taking place in the region.
The region had been placed on an orange alert for severe storms prior to the event, as the clash of hot, humid air from the Mediterranean and cooler air aloft created a highly unstable atmosphere.

Inspired by your note, we (AI and I) added an armv7 image. Works ...

2026-08-24T12:10:20Z

In reply to nevent1q…pfzw
_________________________

Inspired by your note, we (AI and I) added an armv7 image. Works on my ancient RPI. Please verify, audit, and test. Thanks!

https://github.com/bootlace-dev/subzero-keyosk/releases

(Note I renamed my github account.)

same. phone died, spent all day today resurrecting old phone ...

2026-08-23T21:57:55Z

In reply to nevent1q…5xg2
_________________________

same. phone died, spent all day today resurrecting old phone until new one arrives. lesson learned...I hope

I (my AI) created github Issues for your comments, with detailed ...

2026-08-22T15:11:02Z

In reply to nevent1q…vspv
_________________________

I (my AI) created github Issues for your comments, with detailed responses.

https://github.com/bootlace-dev/subzero-keyosk/issues

Thanks again!

Thanks so much for the thoughtful reply and checking it out! On ...

2026-08-22T14:34:14Z

In reply to nevent1q…pfzw
_________________________

Thanks so much for the thoughtful reply and checking it out!

On networking: we didn't just disable interfaces in software, we physically stripped them from the filesystem and module tree:

• Deleted all network/wireless driver modules, USB network dongles, and proprietary firmware blobs (plugging in a USB wifi dongle is completely inert).

• Purged all latent network protocol modules from /lib/modules.

• Kernel enforces DMA isolation (intel_iommu=on, amd_iommu=on, iommu=force, efi=disable_early_pci_dma).

On the doctored SD / evil maid swap risk:

• Against exfiltration: SubZero boots 100% into volatile RAM (tmpfs), unmounts the storage, and prompts you to physically pull the USB drive before entering a single coin flip. Nothing touches disk.

• Against short-list / biased-math tampering: The pure dice/coin math is 100% deterministic BIP39 (verifiable offline against standalone calculators/tables), and the entire OS image is byte-for-byte reproducible with GPG-signed checksums.

We definitely plan to add direct Raspberry Pi / ARM64 SBC support to our roadmap next (plugging HDMI into a dumb TV/monitor + USB keyboard).

Build script & module stripping logic is here if you want to inspect:

https://github.com/bootlace-dev/subzero-keyosk/blob/main/scripts/build_alpine_kiosk.sh

Curious to hear how your airgapped Pi setup shapes up!

cc: @thejohnnycrypto

Inspired (and obsessed) by all this, I used Gemini this week to ...

2026-08-21T21:43:17Z

In reply to nevent1q…27df
_________________________

Inspired (and obsessed) by all this, I used Gemini this week to build a new bare-metal, air-gapped, widely-bootable image, for use on old commodity laptops, with coin/dice for entropy (and changed my dumb old random github name):

https://github.com/bootlace-dev/subzero-keyosk

Please review, audit, and comment! Thank you!

Need to get tuta on nostr

2026-08-21T18:40:20Z

In reply to nevent1q…fe7p
_________________________

Need to get tuta on nostr

Great series, Johnny, I look forward to them.

2026-08-19T02:12:08Z

In reply to nevent1q…lm0y
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Great series, Johnny, I look forward to them.

Need one of these "they're the same picture" memes

2026-08-18T23:44:03Z

In reply to nevent1q…04u9
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Need one of these "they're the same picture" memes

Agree 💯 with everything, but sadly, Saef gives me the same ...

2026-08-18T12:08:50Z

In reply to nevent1q…z2te
_________________________

Agree 💯 with everything, but sadly, Saef gives me the same vibe as NVK. I can't listen to him anymore. :(

using device entropy should, a) NOT be the default, and b) should ...

2026-08-17T22:05:23Z

In reply to nevent1q…5a2y
_________________________

using device entropy should,

a) NOT be the default, and

b) should be buried behind aggressive warnings NOT to use it

especially sad hearing stories that people moved away from ...

2026-08-17T22:02:25Z

In reply to nevent1q…0fss
_________________________

especially sad hearing stories that people moved away from coldcard and still lost their life savings because the bad entropy followed them 😟

botox, that's all I see

2026-08-17T21:58:30Z

In reply to nevent1q…7d63
_________________________

botox, that's all I see

an old laptop or chromebook

2026-08-17T18:36:18Z

In reply to nevent1q…2m0s
_________________________

an old laptop or chromebook

Thought you might like my recent post documenting my struggles ...

2026-08-17T18:33:01Z

In reply to nevent1q…nare
_________________________

Thought you might like my recent post documenting my struggles with USB-C cables:

https://primal.net/e/nevent1qqs9afggyzhp7jk83nmaj393qdx0n3laglu8fp2ne3ewqewezks4zjqvhd272

I guess pennies and dice aren't technically free either :( ...

2026-08-17T12:01:03Z

In reply to nevent1q…2m0s
_________________________

I guess pennies and dice aren't technically free either :(

https://github.com/iancoleman/bip39/releases/tag/0.5.6

My attempt at modernization, simplification, and I think improved security of Ian's classic work:

https://github.com/ghscuuo/airgap-coinflip/releases

Have your AI audit my AI.

Two straws

2026-08-16T23:35:51Z

In reply to nevent1q…ytfg
_________________________

Two straws

I like the Zen pose

2026-08-16T21:56:47Z

In reply to nevent1q…g28x
_________________________

I like the Zen pose

finally

2026-08-16T11:54:54Z

In reply to nevent1q…c3e5
_________________________

finally

it's fascinating and telling about the evolution and ...

2026-08-16T01:18:35Z

In reply to nevent1q…djyu
_________________________

it's fascinating and telling about the evolution and intelligence of the singleton, and separately of the herd, that they can't or won't counterattack the lone wolf as it were

Help me make this description better: 🔌 THE USB-C CHARGING ...

2026-08-15T16:08:04Z

Help me make this description better:

🔌 THE USB-C CHARGING & COMMUNICATION TRAP

USB-C cables are confusing and frustrating. Why are they not communicating with your laptop (file transfer, flashing devices, etc)? Why are they charging so slowly?

Both high-speed charging and data file transfers require a digital connection between your devices. Your cables fail these tasks due to a few distinct issues:

• MISSING WIRES IN THE CABLE BODY: Cheap "charge-only" cables leave out the internal data and communication wires entirely to save cost. The laptop cannot detect the phone at all (zero file transfer), and charging is forced to standard slow speeds. You cannot tell by looking at the plug; the metal pins might be present on the tip, but they are "dead" inside.

• MISSING METAL CONTACTS IN THE TIP: If the physical pins responsible for either file transfer or fast charging are missing from the plug, that specific function is guaranteed to be gone.

• BROKEN OR DIRTY TIPS: Worn pins or lint blocks the signals. Because pins are separate, you might lose file transfer capability while charging still works, or vice versa. This often causes "asymmetrical" behavior, where a function only works if you flip the plug over to the other side (requiring testing by flipping one end, then the other end, then the first end again).

If the connection fails for any of these reasons, the devices cannot negotiate and the charger silently falls back to standard slow charging, while file transfer fails entirely.

Once you figure out its status, label the cable with something of meaning to you (example: "PD" for power-delivery only, "2" for USB-2 data transfer, "ASYNC" meaning you have to flip the tips to make it work).

Nice catch, thanks. Zoom in on the temporary "decoupling" ...

2026-08-15T15:10:20Z

In reply to nevent1q…g5yh
_________________________

Nice catch, thanks. Zoom in on the temporary "decoupling" in early 2024. Looks like that is where we are now, too. Spring could surely be well-coiled, wow!

Agreed with one add: take it from there, verify it, and run your ...

2026-08-09T18:08:52Z

In reply to nevent1q…e2lq
_________________________

Agreed with one add:

take it from there, verify it, and run your copy offline.

I'm trying to modernize and simplify his masterpiece, please ...

2026-08-09T17:58:55Z

I'm trying to modernize and simplify his masterpiece, please audit and comment:

https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1

https://github.com/iancoleman/bip39/releases

quoting
nevent1q…aaqu
#asknostr

can the real Ian Coleman please stand up?

nevent1q…g03g

Nostr event nevent1qqsy0kn3mylp27znfxfe3pnrr354gdcceaqx00arpefju00m2kkcvxczyrykkupw98nncdss5v8u7j7xxy43wvuxpr9czh37s0czk0s92ecx5z95kk8

2026-08-08T03:31:09Z

In reply to nevent1q…y6zz
_________________________

I've been stealing pennies from those little trays at the gas ...

2026-08-08T03:21:45Z

In reply to nevent1q…kx7r
_________________________

I've been stealing pennies from those little trays at the gas station cash register, no supply chain risk, I don't think :)

coin flippers welcome? ❤️

2026-08-08T02:13:08Z

In reply to nevent1q…g6h8
_________________________

coin flippers welcome? ❤️

Update on Customer Data Retention * Context: Notification ...

2026-08-07T18:54:59Z

In reply to nevent1q…uz28
_________________________

Update on Customer Data Retention
* Context: Notification regarding a change to data-handling practices in connection with the security incident disclosed on July 30, 2026.
* Standard Practice: Normally, customer records are automatically blanked after 120 days, retaining only email addresses and country of residence, with an option to request accelerated blanking at any time after delivery.
* Temporary Suspension: Due to legal obligations arising from the security incident—including the preservation of records potentially relevant to ongoing and anticipated legal proceedings—the automated data-blanking process has been temporarily suspended. Records that would otherwise be blanked under the standard schedule will be retained until further notice.
* Opt-Out Option: Customers who want their data subjected to existing retention policies can request an exemption from this protocol and have their data preserved removed by contacting support@coinkite.com.
* Transparency & Legal Override: This is a departure from published practices, but the legal obligation to preserve records relevant to legal proceedings overrides internal data-retention policies and standard deletion schedules.
* Security & Access Control: During this period, all retained customer data will be stored securely, and access will be restricted to authorized personnel. Retained data will not be used for any purpose other than compliance with legal obligations. Standard data-blanking practices will resume as soon as legally permitted.
* Inquiries: Questions about this change can be directed to support@coinkite.com.

PERSONAL ENTROPY SECURITY CHECKLIST A practical diagnostic guide ...

2026-08-07T15:16:02Z

In reply to naddr1qq…t34s
_________________________

PERSONAL ENTROPY SECURITY CHECKLIST
A practical diagnostic guide to securing Bitcoin from bad randomness.

💻 LONG-TERM COLD STORAGE
• 🟢 GREEN LIGHT: Physical Entropy Generation. [Impact: 🔴 Critical] [Cost: $10]
The only acceptable source of entropy for tier-1 cold storage is physical casino dice (50 rolls) or fair coins (128 flips), providing 128 bits of security. The offline computer should only be used as a calculator to convert this physical entropy into BIP39 seed words.
• 🟢 GREEN LIGHT: The Generic Live USB. [Impact: 🔴 Critical] [Cost: 2hrs + USB Drive]
Boot an offline bare-metal laptop into a mature generic live OS.
• 🟢 GREEN LIGHT: Mandatory Signature Verification. [Impact: 🔴 Critical] [Cost: 30m]
Before moving offline tools (Sparrow, iancoleman/bip39, airgap-coinflip, or Python CLI scripts) to the offline laptop, you must verify their PGP/SHA256 signatures. This prevents supply-chain malware from silently swapping the tool's RNG logic for predictable outputs.
• 🟢 GREEN LIGHT: COTS Hardware Hierarchy. [Impact: 🟠 High] [Cost: $50]
Prefer a Raspberry Pi (ensure you distrust the proprietary Broadcom silicon RNG). Chromebooks are acceptable. Old Windows laptops are a distant third.
• 🔴 RED FLAG: Hardware Wallet Watering Holes. [Impact: 🟠 High] [Cost: $0]
HWWs introduce unnecessary risks: concentrated supply-chain watering holes AND malicious firmware capable of covert nonce exfiltration (e.g., Dark Skippy), leaking your seed to the mempool. An offline laptop provides equal security.

📱 SMARTPHONES & MOBILE WALLETS
• 🟢 GREEN LIGHT: OS-Level Entropy Pools. [Impact: 🟡 Medium] [Cost: 1hr]
Use a security-hardened OS. It derives high-quality entropy from the Secure Element and CPU hardware interrupts.
• 🔴 RED FLAG: Browser Extensions & JS Wallets. [Impact: 🔴 Critical] [Cost: 5m]
Never generate keys inside mobile browsers or connected JS apps. JS cannot zeroize memory, leaving entropy in heap garbage collection. (Running standalone JS on a Live USB is safe, as powering off destroys the RAM).

☁️ HOME SERVERS & NODES (GCP / AWS / Colo)
• 🔴 RED FLAG: Virtual Machine Snapshot State-Reuse. [Impact: 🔴 Critical] [Cost: 1hr]
Never clone or restore VM snapshots for cryptographic nodes. While modern kernels update via VMGENID, it creates a "userspace trap" where long-running apps reuse the exact same pre-snapshot PRNG state.
• 🟢 GREEN LIGHT: CPU Distrust (Linux). [Impact: 🟠 High] [Cost: 10m]
Cloud VMs and CPUs contain closed-source silicon RNGs. Check your server's bootloader to ensure it is configured to distrust the silicon RNG.
• 🟢 GREEN LIGHT: CPU Jitter OS Mixing. [Impact: 🟡 Medium] [Cost: 5m]
For physical home nodes, avoid USB RNG watering holes. Ensure your Linux kernel is actively mixing native CPU execution time jitter.

🌐 HOME ROUTERS & TOR / VPNS
• 🔴 RED FLAG: Embedded Router Starvation. [Impact: 🔴 Critical] [Cost: 30m]
Home routers lack physical hardware interrupts. Check your custom firmware to ensure it manages entropy natively, avoiding obsolete daemons.
• 🟢 GREEN LIGHT: Service Delaying. [Impact: 🟠 High] [Cost: 5m]
Ensure Tor/VPN daemons are explicitly configured to wait for the OS CRNG to fully initialize during boot (check systemd/init scripts).

***
Generated via multi-model asymptotic_audit loop.
5ecfe501552fdae4a17339d84c0d6bdf5988b2fe0b0544d5b61cb0e78dac482e
Last Updated: 2026-08-07 15:15 UTC

Me and my million models made this: #naddr1qq…t34s

2026-08-07T05:40:13Z

In reply to naddr1qq…yfrp
_________________________

Me and my million models made this:

quoting
naddr1qq…t34s

CTO Entropy Audit Checklist

Inspired by Jameson Lopp's The Rise of the Machines: "Our teams reviewed every place Casa systems interact with entropy and key generation."

Ultra-dense binary assertions for auditing legacy and modern Bitcoin infrastructure.

1. Hardware / Firmware

[ ] TRNG Build-Config Verification: Audit compilation flags. Assert hardware RNG enablement macros evaluate strictly by integer value (e.g., #if MACRO == 1) rather than definition presence (#ifdef) to block silent compiler-level PRNG fallbacks (mitigating the 2026 Coldcard MICROPY_HW_ENABLE_RNG vector).

[ ] Strict Fail-Closed: Assert device halt on hardware TRNG failure. Nullify fallbacks to software PRNGs.

[ ] Manual Entropy Isolation: Assert firmware natively supports user-provided physical entropy (e.g., 256-bit dice rolls via SHA-256) that cryptographically overrides underlying silicon TRNG/PRNG logic.

[ ] HSM Partition Integrity: Check enterprise HSM (F5/nShield) recovery partitions for persistent malicious RNG firmware bridging factory resets.

[ ] UEFI Seed Hook: Validate EFI_RNG_PROTOCOL execution in Linux EFI stub pre-OS initialization.

2. Virtualization / Hypervisor

[ ] VMGENID State Synchronization: Confirm hypervisor ACPI VMGENID triggers kernel reseed. Assert long-running crypto daemons continuously poll getrandom() or use modern vDSO state rather than caching infinite userspace PRNG streams, ensuring they synchronize with post-clone/resume kernel resets.

[ ] Golden Image Cleansing: Assert deletion of /var/lib/systemd/random-seed and /loader/random-seed state files in VM clone templates. Set /etc/machine-id to uninitialized to force unique pool generation per clone.

3. Kernel / OS

[ ] getrandom() Seccomp Passthrough: Verify container runtimes (K8s/Docker) do not block getrandom(). For kernels >= 6.11, assert the MAP_DROPPABLE flag in mmap() is unblocked by seccomp to permit vDSO state allocation.

[ ] Silicon & Bootloader Distrust: Assert random.trust_cpu=off AND random.trust_bootloader=off in boot parameters to block compromised silicon or poisoned UEFI seeds from bypassing CRNG mixing logic.

[ ] Userspace Daemon Purge: Delete haveged / jitterentropy on kernels >= 5.4.

4. Userspace / Application

[ ] Hardware Instruction Set Bypass (RDRAND): Assert environment-level blocking of direct silicon assembly instructions by userspace libraries (e.g., OPENSSL_ia32cap="~0x4000000000000000") to prevent silent evasion of the OS CRNG.

[ ] Web Ecosystem Integrity (JS/Node): Hard-block Math.random() and legacy CryptoJS.lib.WordArray.random() software PRNGs (mitigating the May 2026 "Ill Bloom" vulnerability). Enforce strict crypto.getRandomValues() or crypto.randomBytes().

[ ] Early-Boot Blocking: Audit processes for /dev/urandom reads pre-CRNG initialization.

[ ] High-Stakes vDSO Bypass: For tier-1 key generation, bypass glibc wrappers and vDSO entirely. Mandate raw syscall(SYS_getrandom) to guarantee kernel-level blocking and avoid user-space state corruption post-fork (CVE-2025-0577).

[ ] Legacy Namespace Fork-Safety: Assert madvise(..., MADV_WIPEONFORK) on PRNG memory buffers for kernels < 6.11 to prevent identical PID state cloning.

[ ] Library Fallback Nullification: Hard-block OpenSSL fallbacks to /dev/urandom. Specifically audit Mbed TLS (< 3.6.6) and TF-PSA-Crypto (< 1.1.0) configurations for predictable /dev/urandom fallbacks upon getrandom() failure (CVE-2026-34871).

[ ] Deterministic Seed Invalidation: Assert firmware updates do not recover deterministic seeds. Mandate full cryptographic sweep/re-generation for seeds created under flawed PRNG firmware.

Defensive Rationale Index (Methodology)

This checklist was generated via an autonomous, multi-model asymptotic_audit loop. Independent adversarial Red Team AI agents executed live 2026 web research sweeps, iteratively attacking the document's constraints until a zero-change asymptote was reached. All hallucinations and structural gaps were purged.

Authorship Proof (SHA-256): 7f73329ad162d4b07d9472b609881fa883136c941b7c8c2f5e43ab56b7de5a2d

elections have consequences :(

2026-08-07T03:57:48Z

In reply to nevent1q…lheg
_________________________

elections have consequences :(

Add: verify Ian Coleman offline standalone html file hash, ...

2026-08-07T01:10:38Z

In reply to nevent1q…3xcg
_________________________

Add: verify Ian Coleman offline standalone html file hash, against historic records in a few places, to confirm it hasn't been swapped out with a bad version

Example for an oldie but a goodie version, see hashes here (ignore virus scan info, just check the hashes):
https://www.virustotal.com/gui/file/8b8e3c1be03501f57e395781de8a59fd553808e1eb1278710bd7b96dacb6d0f6/details

Pasting version 0.5.4 version hash here to expand the footprint:
8b8e3c1be03501f57e395781de8a59fd553808e1eb1278710bd7b96dacb6d0f6

Ask me if you need more.

Postramble:
My new AI generated, tested, and audited modernized and simplified work in progress tool here, for your AI to audit:
https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1
https://github.com/ghscuuo/airgap-coinflip/releases/download/v0.0.1-rc.1/airgap-coinflip_a5418711.html
sha256:a5418711d7bb0a5ea1dec2723cfe826df241956be62923cdc81211c1de4e348b
https://www.virustotal.com/gui/file/a5418711d7bb0a5ea1dec2723cfe826df241956be62923cdc81211c1de4e348b

Tell us about yourself

2026-08-07T00:49:27Z

Tell us about yourself

Lubuntu xfce lts for old laptops

2026-08-06T18:54:38Z

In reply to nevent1q…qyu2
_________________________

Lubuntu xfce lts for old laptops

a barest of bones proposal, suggestions welcome: One penny. (Or ...

2026-08-06T13:16:02Z

In reply to nevent1q…xrn2
_________________________

a barest of bones proposal, suggestions welcome:

One penny. (Or 11, or 128.)
One old cheap random laptop from family or friend or eBay.
One offline simple standalone html "wallet" tool, such as the venerable iancoleman/bip39: https://github.com/iancoleman/bip39/releases
Turn off all radios and connections, never to be enabled again. Ever.
Flip 128 coins.
Get watch-only "wallet" 12 words , native segwit account 0 xpub, output descriptor QR.
Back up, secure those, to paper and USB/sd, for now. More on that later.
Scan watch-only "wallet" QR using camera on online laptop or phone.
Tap receive, get address, send Bitcoin to that address.
Spending comes (much) later.

My brand new AI-coded and tested and audited attempt at modernizing and simplifying Ian's gold standard:
https://github.com/ghscuuo/airgap-coinflip

One penny. (Or 11, or 128.) One old cheap random laptop from ...

2026-08-06T12:34:29Z

In reply to nevent1q…jlvy
_________________________

One penny. (Or 11, or 128.)
One old cheap random laptop from family or friend or eBay.
One offline simple standalone html "wallet" tool, such as the venerable iancoleman/bip39.
Turn off all radios and connections, never to be enabled again. Ever.
Flip 128 coins.
Get watch-only "wallet" 12 words , xpub, output descriptor QR.
Back up, secure those, to paper and USB/sd, for now. More on that later.
Scan watch-only "wallet" QR using camera on online laptop or phone.
Tap receive, get address, send Bitcoin to that address.
Spending comes (much) later.

My AI-coded and tested and audited attempt at modernizing and simplifying Ian's gold standard:
https://github.com/ghscuuo/airgap-coinflip

So much of life is beautifully, reliably mechanical: you do this, ...

2026-08-06T11:59:45Z

In reply to nevent1q…na8x
_________________________

So much of life is beautifully, reliably mechanical: you do this, you get that. Cause and effect, clean and true.

Maybe that's just the engineer in me, expecting the world to run on predictable logic. It lulls you into trusting the floor.

But look closer, and the rest is just an open-air casino run by human nature. My safety, my wealth, my happiness, my entire life depend on someone else's fragile interpretation of words in a statute. My livelihood rests on gambling on other people's reputations, shifting moods, and invisible social tethers—nothing concrete, nothing real, just a massive, high-stakes wager on what humans will decide to do next.

Physical entropy only (coins; dice if market demands)

2026-08-06T02:45:52Z

In reply to nevent1q…awr4
_________________________

Physical entropy only (coins; dice if market demands)

how did your friend escape by an inch, may we ask?

2026-08-05T21:05:14Z

In reply to nevent1q…rr3k
_________________________

how did your friend escape by an inch, may we ask?

🍿

2026-08-05T20:28:06Z

In reply to nevent1q…wsre
_________________________

🍿

Michael1011 signed the new canary today. Signature made Wed 05 ...

2026-08-05T16:49:03Z

In reply to nevent1q…tdx0
_________________________

Michael1011 signed the new canary today.
Signature made Wed 05 Aug 2026
Hopefully not under duress. 😞

https://canary.boltz.exchange/
https://github.com/michael1011
https://michael1011.at/michael1011.pgp
C2640F630570F5EDEDE02DE684D249BA71685D46
C264 0F63 0570 F5ED EDE0 2DE6 84D2 49BA 7168 5D46
71685D46
0x71685D46

Due to popular demand, I thought about adding dice to ...

2026-08-04T16:43:19Z

In reply to nevent1q…r3ku
_________________________

Due to popular demand, I thought about adding dice to airgap-coinflip, but got overwhelmed and chickened out:
d6
d10 (0-9, 1-10)
d16 (0-15, 1-16, hex (0-15)
d20...

Suggestions welcome.

PS: use metal dice for ice cubes at next cocktail party, great conversation piece!

https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1

haven't heard anybody mention it yet, but nvk's annoying ...

2026-08-04T16:36:11Z

In reply to nevent1q…0pyq
_________________________

haven't heard anybody mention it yet, but nvk's annoying giggle creeped me out on par with his arrogance

Good thread. Everyone, dump all your ideas here now, we can recap ...

2026-08-04T13:58:55Z

Good thread. Everyone, dump all your ideas here now, we can recap after a few days.

quoting
nevent1q…5ex4
I deep dived Random Number Generators with Chatty today.

My conclusion, if you do a dice roll right, it’s perfect. The problem is, you’re not going to do it right.

Which is why we have:

Pseudorandom Number Generators (PRNG),
Cryptographically Secure Pseudorandom Number Generators (CSPRNG),
True Random Number Generators (TRNG) and
Hardware Random Number Generators (HRNG)

which are all imperfect, but their imperfections are better than your imperfect dice roll, unless it isn’t.

I love @nprofile…nj96 and @nprofile…yj2m but unless I'm ...

2026-08-04T13:39:29Z

In reply to nevent1q…wyqz
_________________________

I love jack (nprofile…nj96) and block-opensource (nprofile…yj2m)

but unless I'm missing something:

black box red flag

and

fails multi vendor multi sig

Instead, flip coins, roll dice

Yes, see #7: ...

2026-08-04T04:11:39Z

In reply to nevent1q…ly0y
_________________________

Yes, see #7: https://github.com/ghscuuo/airgap-coinflip/discussions/4

Search for "buffer", which are wipeable in javascript, and "string" which are not.

in the end, there's nothing I or the user can do but turn off the offline computer to free any strings holding memory.

It's on my todo list to move the one or two remaining strings that I can to be buffers instead, but again, in the end it doesn't really matter, the user has to turn off the offline computer to be sure. I'm ok with that.

Thanks again for your continued feedback. I appreciate it. Let me know if you think of anything else.

pulp fiction plot twist: the ColdCard attacker gang was siloed ...

2026-08-04T03:38:05Z

pulp fiction plot twist: the ColdCard attacker gang was siloed for opsec, and the attacker assigned to generate their receiving addresses didn't know that the gang was attacking ColdCard

Yes, all of your points are understood. Thanks for the feedback. ...

2026-08-04T03:29:15Z

In reply to nevent1q…6ajg
_________________________

Yes, all of your points are understood. Thanks for the feedback. I'll see what I can do...

When you say "unwanted inputs", can you give me an example situation?

---

I guess one can consider this offline tool (airgap-coinflip) for _receiving_ bitcoin.

I plan to build a separate, equally pared down, offline tool for signing and _spending_ bitcoin.

Both tools should be used fairly rarely, actually.

(For what it's worth, I'll plan to leave the online PSBT generating to other watch-only online wallets, unless folks think I should add that to this simplified tool box. Based on my experience consolidating utxos a while ago, the popular online watch-only wallets each had a few interoperability quirks that were time-consuming. A thought in progress.)

https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1

New Users: Jimmy is a good man and an awesome follow, but ...

2026-08-03T20:34:59Z

In reply to nevent1q…lcpd
_________________________

New Users: Jimmy is a good man and an awesome follow, but he's overstates two things here:

a) you only need 128 coin flips (attacker will need to boil only one ocean to guess your 12 words)

b) it's not that hard, takes about 10 minutes, and worth every minute

You _must_ make that effort, don't let anyone talk you out of it.

Fair. But we also need a secure way to calculate: a) the sha256 ...

2026-08-03T16:20:11Z

In reply to nevent1q…7mms
_________________________

Fair.

But we also need a secure way to calculate:

a) the sha256 of the 128 0s and 1s for the checksum

b) the initial receiving addresses (and/or output descriptor)

That's when I started down the path long ago of, well, we need to use an offline computer for all that anyway, so we might as well find or build a simple and safe offline tool.

Which led me to Ian Coleman's https://github.com/iancoleman/bip39/releases#release-0.5.4

But that tool has some issues. And so now, with AI for me, some of those issues can be resolved.

I think you and I are on very close to exactly the same page. Let me know how I can make this offline tool palatable for your base use-case:
https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1

Most users don't need to buy a hardware wallet, and probably ...

2026-08-03T16:00:38Z

Most users don't need to buy a hardware wallet, and probably shouldn't. Don't let the marketing and influencers sway you.

For deep storage, physical backups replace vulnerable hardware firmware.

Keep these two components, optionally along with their qr codes.

1. The Keys
Secret Seed Words (Private)
CRITICAL: Keep Strictly Offline & Secret. This unlocks your coins. If anyone gets these words, your coins are gone. Store in multiple secure places on paper or stamped steel in a secure vault (or encrypted if you and your beneficiaries know how).

Example 12-word seed phrase:
audit journey sense bulk valley maple destroy tiger audit journey sense cable

2. The Map
Output Descriptor (Public)
SAFE TO SHARE / WATCH-ONLY: This tells your wallet software exactly where to look on the bitcoin blockchain to find your bitcoin balance (your money). Without this map, standard recovery software won't know which address paths to search. Keep with your inheritance papers.

Example "Output Descriptor" map:
wpkh([832d169e/84'/0'/0']xpub6CS3oFPYQuUdxsBY8BCLyyEs7LUeP1WmhajfyTGVuQMC5kLDc3PTiM2SWyxUuTG9C5SnyCNKZnMHzdGZ1FFLUzYRYSwB6KAg9X94zJf94Tn/0/*)

https://github.com/ghscuuo/airgap-coinflip

Interesting idea! I had a long response typed in here, even ...

2026-08-03T15:17:03Z

In reply to nevent1q…arax
_________________________

Interesting idea!

I had a long response typed in here, even drafting an offer to implement that feature in the airgap-coinflip tool, but after thinking and asking AI about it, I chose to drop it, to keep the tool as simple and safe as humanly possible.

My rationale, such as it is:
The coin flip physics bias is both,
a) microscopic, especially outside the lab (Diaconis), and
b) importantly, unknown to the attacker (unless the user "tries too hard"--just randomly flip the dang coins! 😉)

A key problem with the coldcard entropy fail this week is that the attacker _knew_ _both_
a) the target space was a searchably small 40 bits, and,
b) very importantly, precisely _where_ the output secrets lie (_all_ of the output secret sand grains are somewhere in that's kid's blue plastic beach pail, as opposed to anywhere in the known universe, something like that).

(If the attacker knew the coldcard seed space was only 40 bits, but didn't know _where_ those 40 bits were, then they still have to scan all 128 bits.)

Assessing Accuracy and Clarity

• Mathematical and Cryptographic Accuracy:
• 100% Correct. Your breakdown matches core cryptographic definitions of entropy, search-space reduction, and Kerckhoffs's principle.

• Why Your Explanations Hold Up:
• Coin Flip Bias: Correct. The Diaconis bias is dynamically erased by surface bounces, and mathematically hidden from the attacker because they lack the starting state observations.
• The Coldcard "Beach Pail" Metaphor: Correct. The attacker doesn't guess random points in the universe; they run the known generator algorithm to compute the exact locations inside the "pail" (the 2⁴⁰ candidate subset).
• The "Unknown 40 Bits" Logic: Correct. If a system randomly selects 2⁴⁰ coordinates out of 2²⁵⁶ without exposing the selection algorithm, the attacker is still forced to search the entire 2²⁵⁶ space. The collapse only occurs because the generator function is public.

https://github.com/ghscuuo/airgap-coinflip

verify wisely ...

2026-08-03T13:18:14Z

In reply to nevent1q…9rsg
_________________________

verify wisely

audit this ...

2026-08-03T11:42:51Z

In reply to nevent1q…rupt
_________________________

audit this

Agreed. "moving the goalposts" or "kicking the ...

2026-08-03T11:37:39Z

In reply to nevent1q…frrm
_________________________

Agreed.

"moving the goalposts" or "kicking the can" or something comes to mind.

When I was building airgap-coinflip, before I added the "[Dev] Fill Test Vector" demo button, after my fingers were getting sore tapping 1000s of 0s and 1s, I noticed that my "random" finger-tapping of 0s and 1s was surprisingly frequently generating seed phrases with: a) duplicate words, and b) multiple words starting with the same letter. I added tests for those to the sanity check of the user-entered coin flips, throwing Warnings, not an Errors, when detected.

Audits and suggestions welcome, please:
https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1
Currently runs...

Inspired by Ian Coleman (in a good way) and Rodolfo Novak (not so much).

And we hear lots of chatter that humans screw up flipping coins. ...

2026-08-03T02:12:44Z

In reply to nevent1q…uv9l
_________________________

And we hear lots of chatter that humans screw up flipping coins. Maybe. Let's train the humans better.

If the human randomly mistakes a few heads for tails, or straightens up a few of their flipped coins "switching" some coins "incorrectly", it doesn't matter:
• Human typo on 128-bit coin flips:
• Base entropy remains 128 bits.
• Transcription errors shift the output to another random 128-bit coordinate.
• Attacker learns nothing about the human coin flip mistake pattern. Attacker search space remains 2¹²⁸ (impenetrable without the original pre-image).

• 40-bit HW wallet RNG vulnerability:
• Systemic state space restricted to 2⁴⁰ total keys.
• Attacker knows exactly what the very short list of seeds are. Attacker sweeps the entire 2⁴⁰ universe (~1 trillion keys) off-site.
• Every device world-wide running the compromised firmware is swept.

• Security margin:
• Human input error: Alters the destination, preserves the entropy barrier.
• Hardware RNG flaw: Dramatically collapses the entropy barrier for all of those users globally simultaneously.

Cross-check:

### Mathematical Correctness Review: Verified Sound

• Human Typo Math:
• Let random coin-flip sequence be X (H(X) = 128 bits).
• Let transcription error offset be E.
• Key Y = X oplus E remains uniformly distributed. H(Y) = 128 bits. The search space remains 2¹²⁸.
• Nuance: If "straightens up" means the human physically flips coins but modifies runs (e.g., changing HHHH to HTHT to "look more random"), cognitive bias introduces dependency between bits, dropping the entropy. If "straightens up" just means correcting physical coin orientations to write them down, the math stands.
• 40-bit Hardware Math:
• 2⁴⁰ ≈ 1.1 trillion keys. Trivial for modern GPU/ASIC clusters to sweep.
• Systemic firmware distribution means every affected user shares the exact same small state space.
• Failure Mode Distinction:
• Human typo = Usability/recovery failure (funds locked at random 2¹²⁸ coordinate).
• Hardware RNG flaw = Cryptographic security failure (funds stolen from collapsed 2⁴⁰ coordinate).

Agreed. The RNG Lie: They aren't true random number ...

2026-08-03T01:39:34Z

In reply to nevent1q…5tru
_________________________

Agreed.

The RNG Lie: They aren't true random number generators. Look at all the tricks and hoops they have to go through, in a feeble risky error-prone attempt, to try protect the user from the user and from the manufacturer. Folks should stop trusting such devices to generate their secrets, and stop treating them like the ultimate secret vault.

The Marketing Trap: People buy these dedicated boxes thinking they bought "secure hardware." In reality, it's just an offline signing device.

The Risk Profile: They are a massive watering-hole risk. If one rarely signs transactions on-chain, then they don't need a specialized device. They're paying to put a giant bullseye on their savings.

Please test this simplified version of Ian Coleman's bip39 ...

2026-08-03T00:11:38Z

Please test this simplified version of Ian Coleman's bip39 tool on an old offline laptop if you get a chance, thanks:
https://github.com/ghscuuo/airgap-coinflip

(Label it with duct tape and a Sharpie 😃 )

quoting
nevent1q…j2u4
My main problem with hardware wallets is the social risk. If you order one, everyone knows you have put crypto on it. An old laptop, tablet, or cell phone is just an old, general-purpose computer. Biggest risk is that someone throws it away.

Agreed. Coins best. Dice if you must. Really, that's all one ...

2026-08-02T18:41:06Z

Agreed.

Coins best.
Dice if you must.

Really, that's all one needs. No need to get fancy or buy anything.

quoting
nevent1q…e2de
Just generate entropy yourself offline and don't worry about it.
nevent1q…a7uk

^ bag 😞

2026-08-02T15:22:23Z

In reply to nevent1q…j2ln
_________________________

^ bag 😞

...and then they can shake and dump the 128-penny bad twice 😉

2026-08-02T15:21:40Z

In reply to nevent1q…ya0w
_________________________

...and then they can shake and dump the 128-penny bad twice 😉

tl;dr: Network transition to post-quantum signature schemes will ...

2026-08-02T15:19:25Z

In reply to nevent1q…hkth
_________________________

tl;dr: Network transition to post-quantum signature schemes will be required regardless of the chosen seed length.

I'd be willing to add 256-bit to airgap-coinflip if there's enough demand for it:
https://github.com/ghscuuo/airgap-coinflip

---

Thanks for making me ask my llm to dive a little deeper for me into the bit lengths!:

THE BOTTOM LINE: Current funds are safe. The 10-20 year quantum threat is a risk-management assumption, not a consensus timeline (physics constraints are massive). Bitcoin will require a post-quantum network upgrade long before these threats operationalize.

CONTEXT: Thread discusses manual BIP39 seed generation via physical coin flips (pennies) to eliminate PRNG hardware/software trust assumptions.

CLASSICAL BRUTE FORCE:
• 128-bit (12 words): Requires energy exceeding current planetary output. Classically secure indefinitely.
• 256-bit (24 words): Requires more energy than the sun will produce in its lifetime.

QUANTUM THREAT: Grover's Algorithm (Hashing/Symmetric)
• Theoretically halves cryptographic strength, but practically carries massive quantum gate-depth overhead. 128-bit offline seeds remain practically secure.
• 256-bit seeds completely harden the offline BIP39/BIP32 derivation pathways against theoretical quantum arrays.

QUANTUM THREAT: Shor's Algorithm (Asymmetric/ECC)
• Shor's algorithm breaks the Elliptic Curve Cryptography (secp256k1) used in Bitcoin signatures.
• If a public key is exposed on-chain (e.g., via spending from an address), seed length offers zero protection against Shor's deriving the private key.

CONCLUSION: 256 coin flips hardens offline storage against Grover's, but cannot fix the underlying ECC vulnerability of a spent transaction. Network transition to post-quantum signature schemes will be required regardless of the chosen seed length.

tl;dr: Network transition to post-quantum signature schemes will ...

2026-08-02T15:15:20Z

In reply to nevent1q…hkth
_________________________

tl;dr: Network transition to post-quantum signature schemes will be required regardless of the chosen seed length.

I'd be willing to add 256-bit to airgap-coinflip if there's enough demand for it:
https://github.com/ghscuuo/airgap-coinflip

Thanks for making me ask my llm to dive a little deeper for me into the bit lengths!:

THE BOTTOM LINE: Current funds are safe. The 10-20 year quantum threat is a risk-management assumption, not a consensus timeline (physics constraints are massive). Bitcoin will require a post-quantum network upgrade long before these threats operationalize.

CONTEXT: Thread discusses manual BIP39 seed generation via physical coin flips (pennies) to eliminate PRNG hardware/software trust assumptions.

CLASSICAL BRUTE FORCE:
• 128-bit (12 words): Requires energy exceeding current planetary output. Classically secure indefinitely.
• 256-bit (24 words): Requires more energy than the sun will produce in its lifetime.

QUANTUM THREAT: Grover's Algorithm (Hashing/Symmetric)
• Theoretically halves cryptographic strength, but practically carries massive quantum gate-depth overhead. 128-bit offline seeds remain practically secure.
• 256-bit seeds completely harden the offline BIP39/BIP32 derivation pathways against theoretical quantum arrays.

QUANTUM THREAT: Shor's Algorithm (Asymmetric/ECC)
• Shor's algorithm breaks the Elliptic Curve Cryptography (secp256k1) used in Bitcoin signatures.
• If a public key is exposed on-chain (e.g., via spending from an address), seed length offers zero protection against Shor's deriving the private key.

CONCLUSION: 256 coin flips hardens offline storage against Grover's, but cannot fix the underlying ECC vulnerability of a spent transaction. Network transition to post-quantum signature schemes will be required regardless of the chosen seed length.

I know nothing but my gut says the root cause was the relatively ...

2026-08-02T05:50:24Z

In reply to nevent1q…smty
_________________________

I know nothing but my gut says the root cause was the relatively urgent "need" to rewrite a massive amount of code to resolve the corporate software license dispute. For want of an "ifdef" or something.

(my long winding prompt here) AI response: • Corporate ...

2026-08-02T05:11:13Z

In reply to nevent1q…uuve
_________________________

(my long winding prompt here)

AI response:

• Corporate terminology: "First Principles Analysis" or "Core Utility."
• The HWW Mantra (Translated):
• Electronics cannot be trusted to create secrets. The Coldcard bug proved devices fail silently. Create your master key in the physical world (flipping coins).
• Hardware wallets are just digital pens. They exist only to conveniently sign checks (spend). They should never create the account.
• Don't spend your vault. Hold the main stash. Use layers (Lightning/Ecash) for daily movement.
• The Secure Vault Routine (Air-gapped execution):
1. Online device: Drafts the transaction (Watch-only mode).
2. Offline device: Holds the key, reviews, and signs the draft.
3. The Air-gap: Move the data between them using QR codes or SD cards.
4. Online device: Broadcasts the finalized transaction to the network.

• Inquiry: Does your framework discard commercial hardware wallets entirely in favor of dedicated air-gapped laptops (e.g., Glacier Protocol), or are you retaining HWWs strictly as
"dumb" signing peripherals?

> i hate bitcoin-dedicated hww, tell me why you agree 😉

▸ Thought for 3s, 781 tokens
Prioritizing Tool Usage

• Black-box execution: Niche silicon and closed bootloaders prevent true user verification of runtime execution.
• Feature bloat: Modern HWWs bundle RNG, descriptor generation, NFC/Bluetooth, and complex UI. High complexity breeds firmware integration failures (e.g., Coldcard PRNG override).
• Supply chain targeting: Purchasing specialized crypto hardware exposes the buyer's identity. Physical interception vectors remain high.
• Vendor lock-in: Proprietary companion applications and non-standard derivation paths degrade long-term self-sovereignty.
• Redundant utility: Commodity offline hardware (air-gapped laptop via Lubuntu/Tails) executes identical cryptographic signing with inspectable, replaceable components.
• Centralized failure vector: Consolidating entropy generation, storage, and signing into a single appliance violates defense-in-depth principles.

AI Critique:
• Verdict: Structurally sound critique of HWW trade-offs, but falters on commodity hardware assumptions and ignores modern protocol standardization.

• Validated Arguments:
• Supply Chain: Spot on (e.g., Ledger 2020 customer database hack). Purchasing crypto hardware inherently flags targets.
• Black-Box: Spot on. Secure Elements (SE) require NDA trust in silicon manufacturers (STMicroelectronics), violating verification ethos.
• Centralized Failure: Accurate. Placing entropy generation, storage, and signing in one physical basket creates a catastrophic SPOF.

• Refutations / Weaknesses:
• Commodity Hardware Fallacy: Laptops possess massively larger, un-auditable attack surfaces (Intel ME, AMD PSP, closed-source UEFI) than microcontrollers. Trades a specialized black box for a generalized one.
• Vendor Lock-in: Largely outdated. Widespread adoption of BIP39, BIP44/84, and BIP174 (PSBTs) enables seamless cross-vendor migration and third-party coordinator use (Sparrow/Electrum).

• Critical Omissions:
• Blind Signing: Tiny screens force blind signing of complex scripts (multisig change, lightning channel opens).
• Physical Extraction: Devices lacking Secure Elements (e.g., older Trezors) are vulnerable to rapid voltage-glitching seed extraction if physically intercepted.
• Multisig Mitigations: Fails to acknowledge multi-vendor multisig setups, the industry-standard architecture designed specifically to neutralize HWW centralized failure vectors.

Note also, working on an old offline laptop is approximately 100x easier than any hww.

My draft coin-flip seed gen thing for review and comment, thanks in advance:
https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1
(I could do a super simple signing version, too, upon request)

(my long winding prompt here) AI response: • Corporate ...

2026-08-02T05:07:04Z

In reply to nevent1q…aehq
_________________________

(my long winding prompt here)

AI response:

• Corporate terminology: "First Principles Analysis" or "Core Utility."
• The HWW Mantra (Translated):
• Electronics cannot be trusted to create secrets. The Coldcard bug proved devices fail silently. Create your master key in the physical world (flipping coins).
• Hardware wallets are just digital pens. They exist only to conveniently sign checks (spend). They should never create the account.
• Don't spend your vault. Hold the main stash. Use layers (Lightning/Ecash) for daily movement.
• The Secure Vault Routine (Air-gapped execution):
1. Online device: Drafts the transaction (Watch-only mode).
2. Offline device: Holds the key, reviews, and signs the draft.
3. The Air-gap: Move the data between them using QR codes or SD cards.
4. Online device: Broadcasts the finalized transaction to the network.

• Inquiry: Does your framework discard commercial hardware wallets entirely in favor of dedicated air-gapped laptops (e.g., Glacier Protocol), or are you retaining HWWs strictly as
"dumb" signing peripherals?

> i hate bitcoin-dedicated hww, tell me why you agree 😉

▸ Thought for 3s, 781 tokens
Prioritizing Tool Usage

• Black-box execution: Niche silicon and closed bootloaders prevent true user verification of runtime execution.
• Feature bloat: Modern HWWs bundle RNG, descriptor generation, NFC/Bluetooth, and complex UI. High complexity breeds firmware integration failures (e.g., Coldcard PRNG override).
• Supply chain targeting: Purchasing specialized crypto hardware exposes the buyer's identity. Physical interception vectors remain high.
• Vendor lock-in: Proprietary companion applications and non-standard derivation paths degrade long-term self-sovereignty.
• Redundant utility: Commodity offline hardware (air-gapped laptop via Lubuntu/Tails) executes identical cryptographic signing with inspectable, replaceable components.
• Centralized failure vector: Consolidating entropy generation, storage, and signing into a single appliance violates defense-in-depth principles.

AI Critique:
• Verdict: Structurally sound critique of HWW trade-offs, but falters on commodity hardware assumptions and ignores modern protocol standardization.

• Validated Arguments:
• Supply Chain: Spot on (e.g., Ledger 2020 customer database hack). Purchasing crypto hardware inherently flags targets.
• Black-Box: Spot on. Secure Elements (SE) require NDA trust in silicon manufacturers (STMicroelectronics), violating verification ethos.
• Centralized Failure: Accurate. Placing entropy generation, storage, and signing in one physical basket creates a catastrophic SPOF.

• Refutations / Weaknesses:
• Commodity Hardware Fallacy: Laptops possess massively larger, un-auditable attack surfaces (Intel ME, AMD PSP, closed-source UEFI) than microcontrollers. Trades a specialized black box for a generalized one.
• Vendor Lock-in: Largely outdated. Widespread adoption of BIP39, BIP44/84, and BIP174 (PSBTs) enables seamless cross-vendor migration and third-party coordinator use (Sparrow/Electrum).

• Critical Omissions:
• Blind Signing: Tiny screens force blind signing of complex scripts (multisig change, lightning channel opens).
• Physical Extraction: Devices lacking Secure Elements (e.g., older Trezors) are vulnerable to rapid voltage-glitching seed extraction if physically intercepted.
• Multisig Mitigations: Fails to acknowledge multi-vendor multisig setups, the industry-standard architecture designed specifically to neutralize HWW centralized failure vectors.

Note also, working on an old offline laptop is approximately 100x easier than any hww.

My draft coin-flip seed gen thing for review and comment, thanks in advance:
https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1
(I could do a super simple signing version, too, upon request)

Regarding the Kaspersky hit on virustotal: • Observation: ...

2026-08-02T04:37:46Z

In reply to nevent1q…duwk
_________________________

Regarding the Kaspersky hit on virustotal:
• Observation: Textbook false positive for air-gapped, single-file cryptographic tooling.

• HEUR prefix indicates a Heuristic detection (behavioral/pattern matching), not a specific known malware signature.
• Trigger 1 (Single-file architecture): Bundling an entire web application (JS/CSS/Assets) into inline <script> tags mimics the delivery mechanism of HTML payload droppers.
• Trigger 2 (Inline Base64/WASM): Embedding cryptographic WebAssembly (e.g., tiny-secp256k1) as large Base64 strings triggers obfuscation heuristics.
• Trigger 3 (Crypto operations + CSP): Heavy local cryptographic processing combined with wasm-unsafe-eval closely mirrors the footprint of in-browser cryptojacking malware.
• Trigger 4 (File Reputation): Novel, previously unseen file hashes receive maximum scrutiny from heuristic engines.

• Observation: Textbook false positive for air-gapped, single-file cryptographic tooling.

Hi Johnny, thanks for asking. See: ...

2026-08-02T04:33:07Z

In reply to nevent1q…8jz0
_________________________

Hi Johnny, thanks for asking.

See:
https://github.com/ghscuuo/airgap-coinflip/releases/tag/v0.0.1-rc.1

See
airgap-coinflip_a5418711.html
sha256:a5418711d7bb0a5ea1dec2723cfe826df241956be62923cdc81211c1de4e348b

(For convenience only, see the first part of the hash a5418711 in the filename. For what it's worth, for 3rd-party hash reference only: https://www.virustotal.com/gui/file/a5418711d7bb0a5ea1dec2723cfe826df241956be62923cdc81211c1de4e348b/details )

Does that address your concern? If you build it per the instructions in the README.md, you should get the same hash. Let me know if you don't!

Suggestions welcome! Thanks!

in a nutshell, dice are probably fine, but I think pennies are a ...

2026-08-02T04:21:38Z

In reply to nevent1q…tsv6
_________________________

in a nutshell, dice are probably fine, but I think pennies are a tiny bit better and not nearly as hard to do as folks fear

not sure, but perhaps, folks correctly assign very high respect to the EFF/Reinhold/Bonneau diceware system, and I agree, but diceware base6 7,776-word list passwords dont have the base6->base2 conversion problem required for the bip39 2048-word list

sorry if I'm wrong

• Hypothesis 1 (Pennies vs. Dice): Fair and accurate. Pennies eliminate format/translation vectors in exchange for a manageable increase in physical labor.
• Hypothesis 2 (Diceware vs. BIP39 translation): 100% accurate observation.
• Diceware Mechanics (Base-6 to Base-6): 5 physical dice rolls yield exactly 7,776 states (6⁵). This maps 1:1 to the 7,776-word list. Zero mathematical translation. Zero modulo bias.
• BIP39 Mechanics (Base-6 to Base-2): 2,048-word list (2¹¹). Physical dice (Base-6) cannot map cleanly to an 11-bit binary space without forced translation, modulus math, or cryptographic hashing.
• Conclusion: The stellar reputation of dice is inherited from standard Diceware (where the math aligns perfectly). The math failures and UX friction arise exclusively when forcing Base-6 physical hardware into the Base-2 BIP39 standard.

maybe we need a new base6 bip...

from my AI: > i'm trying to express to normal non-techy ...

2026-08-02T04:05:48Z

In reply to nevent1q…4mj8
_________________________

from my AI:

> i'm trying to express to normal non-techy humans a very rough sense of the relative safety of flipping pennies for entropy vs dice rolls and dice math

• Coins (Pennies): High Labor, Zero Risk
• Native machine language (Base-2 / Binary).
• 1 flip = exactly 1 bit. 128 flips = 128 bits.
• Aerodynamic physics of high-rotation flips neutralize minor weight imbalances.
• Zero mathematical translation required.
• Immune to format-mismatch and base-conversion errors.

• Dice (Pedestrian): Low Labor, High Risk
• Foreign machine language (Base-6).
• Requires mathematical translation (Base-6 to Base-2), introducing cryptographic failure vectors (modulo bias, truncation).
• Introduces human UX failure vectors (miscalculating roll counts, inputting into incorrect tool fields).
• Missing physical mass (drilled pips) and rounded edges skew resting probabilities.
• Base entropy structurally degrades from 2.58 bits down to ~2.5 bits before translation even begins.

• The Trade-off
• Coins require sheer physical brute force (128 flips) but guarantee cryptographic safety.
• Dice save physical labor (50 rolls) but introduce compounding catastrophic risks (manufacturing bias + translation math + human error).

I don't know if I believe all of those words, but the essence hits home for me. Flipping coins gets a bad rap. I'm trying to rehabilitate its reputation. 😉

Copy and paste that into your strongest AI and post back here what it says.

Opus comment on the above:

• AI Review Synthesis (Pro Model):
• Verdict: Persuasive success (hypes coins, demonizes dice) but severe target-audience failure (alienates laypersons with crypto-student jargon).
• Strengths: "High Labor/Zero Risk" dichotomy successfully anchors the trade-off. Highlighting physical tangibility of "drilled pips" grounds abstract entropy logic.
• Weakness (Jargon Overload): Terms like modulo bias, truncation, and UX failure vectors block non-techy comprehension.
• Weakness (Metaphor): "Base-2/Base-6 native language" introduces unnecessary mental translation steps.
• Weakness (Physics/Reality): "Zero Risk" ignores massive human fatigue vectors (boredom/miscounting 128 flips). Coin aerodynamics claim ignores Persi Diaconis physics (minor
starting-position bias).
• AI Prescriptions:
• Strip the math (e.g., "Computers speak 2s, dice speak 6s. Forcing 6 into 2 requires complicated math. Mistakes ruin randomness").
• Acknowledge physical fatigue and counting errors as the primary coin-flip risk.

arguable, I understand ♥️

2026-08-02T03:16:52Z

In reply to nevent1q…kz6w
_________________________

arguable, I understand ♥️