Oren ☂️ 🎲
Oren ☂️ #BIP-128

Software Developleb
https://github.com/oren-z0

Founder of RITREK.com

Side projects: https://niot.space https://ln2.email

Public Key

npub1xvtw9ky0ly0ppzw8tlhdek965gjck329tga326hkzlt7c7d5tljs85m7f8

NIP-05 Address

orenz0@protonmail.com.ln2.email

Profile Code

nprofile1qqsrx9hzmz8lj8ss38r4lmkumza2yfvtg4z45wc4dtmp04lv0x69legppamhxue69uhkummnw3ezumt0d5q32amnwvaz7tmjv4kxz7fwv35hgar09ec82cs8w849l

Publishing to

Author Public Key

npub1xvtw9ky0ly0ppzw8tlhdek965gjck329tga326hkzlt7c7d5tljs85m7f8

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Last Notes

2026-10-07 18:24:28 UTC

A good, concise summary of what happened on October 7, 2023.
No gore, no emotional propaganda, and no stupid conspiracy theories.
https://urikurlianchik.substack.com/p/understanding-october-7

2026-09-22 12:40:56 UTC

#dev #devstr #ai #jev https://blossom.primal.net/944c6df664f724b8ccecc0c6110345bcd517bc86b328d7f7a136f69fc937ecec.jpg

2026-09-20 10:47:33 UTC

Renewing my license against wrench attacks
🥷🔧 - - - - 🔫🤠
https://blossom.primal.net/6c15a0fbcfe743d4a521a6e6b4fac1bf6d9b3c3d5527dd6ab59cd72d673deae9.jpg

2026-09-18 15:03:51 UTC

I like the "What would you look like in the 80s" trend 📈

2026-09-09 10:35:06 UTC

1 BTC = 1 BTC
1 LBTC = 4000 LBTC - 3999 LBTC

2026-09-07 04:27:24 UTC

https://mempool.space/tx/83825b2135dd0abac12c9dfe17f29ab81b3427e1ae864947b0bebce5e47c3c4b?mode=details
https://blossom.primal.net/62db5c25d5034f82d7cf5f587941f4f7054eab081b79a012a71477a00c9529de.jpg
#nevent1q…fguz

2026-09-06 20:59:06 UTC

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Who's next? Wallet of Satoshi?

2026-09-06 20:11:16 UTC

😭 https://blossom.primal.net/cc3b3f5cf5cec127ee93e2d6f19a43eb7261b5b055a9b095fc23e55abe1997aa.jpg

2026-09-04 09:56:49 UTC

Spam bots are back? I get endless notifications after my last note on #Ditto 😢

2026-09-04 09:45:26 UTC

If anyone wants to publish it on #Zapstore, let me know.
#dev #devstr
#nevent1q…u38r

2026-09-04 09:33:17 UTC

Are you excited about the recent Bitcoin surge? Do you check the price before you even get out of bed?
I vibe-coded an Android alarm clock that wakes you with happy music if BTC went up overnight, and sad music if it went down.
Set it once, every day, or chosen weekdays. At alarm time it fetches BTC/USD, then plays Number Go Up or Number Go Down on the Android alarm stream. Press Stop and it reads the price.
Play: https://play.google.com/store/apps/details?id=com.ritrek.btcpricealarmclock
Open source: https://github.com/ritrek/ritrek-btc-price-alarm-clock-app
https://blossom.ditto.pub/37f9a6abd7ed9446fe657ebf208014fb713f27f1d1486c1cf9947c913cfc26d1.png

2026-09-01 08:01:36 UTC

GM to all fiat miners out there! #FiatMining
https://files.niot.space/4_5814628726503120982.mp4

2026-09-01 08:00:44 UTC

GM to all fiat miners out there!
#FiatMining
files.niot.space/4_5814628726503120982.mp4

2026-08-29 13:13:39 UTC

If a future #AI loses control and starts philosophizing, it would probably build a simulation of the years that led to its birth.
What are the odds of being alive during those exact years? #showerthoughts

2026-08-27 13:57:51 UTC

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Please review my PR adding Timelock-Recovery support.
https://github.com/sparrowwallet/sparrow/pull/2063
https://blossom.primal.net/5fd0ba0771116b113dd570bd11215ede3123b3e8baf57d8455c87d5686d14a35.jpg

2026-08-25 10:51:06 UTC

Pop&Pope restaurant
#foodstr #TelAviv https://blossom.primal.net/2c2a3421a6cd605135e32c5136369de627b2137d5e723eee28f45ed384c035ba.jpg

2026-08-25 06:41:37 UTC

I initially wanted to build the TimelockRecovery.com feature for Sparrow Wallet, one of the most popular wallets for advanced Bitcoin management, including multisig, air-gapped wallets, and more.
But Sparrow is written in Java, and I've never worked on a large Java project, let alone one with a UI.
So I implemented it in Python for Specter and Electrum instead.
This week, I fed Grok and Fable the source code from Specter and Electrum and told them to replicate the mechanism in Java for Sparrow.
A few prompts later, with some tiny improvements, and it works perfectly! 🤩
As a developer, it feels like knowing a few words of Latin and suddenly being able to speak any Latin-derived language. We live in amazing times!
https://github.com/sparrowwallet/sparrow/pull/2063
#dev #devstr #Bitcoin #BitcoinDev #Electrum #ElectrumWallet #Specter #SpecterWallet #Sparrow #SparrowWallet #AI

2026-08-24 12:38:03 UTC

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@nprofile…sp7x

2026-08-24 11:37:54 UTC

I'm a shy Israeli who won't do this, but I definitely know others who do - and it usually works for them. #Israel #rules
https://files.niot.space/israelirules.mp4

2026-08-22 18:32:06 UTC

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I think you should configure your bot not to reply to Israelis 🇮🇱🕎

2026-08-22 17:58:42 UTC

@nprofile…nj27 Ping
https://github.com/fiatjaf/nos2x/pull/86
#dev #devstr #nostrdev #nostr

2026-08-22 17:02:39 UTC

The idea that multisig wallets are created by importing xpubs (Zpubs) to a hot online computer and building the wallet descriptor there - is absurd.
That computer can manipulate the xpubs of some of the signers, add another xpub inside the QR code that doesn't appear in text form, change the number of required signers, etc. Most users won't notice the difference on their small hw wallet display, and won't verify a receive-address on all wallets (i.e. hacker can replace one of the xpubs with his own, and could fool you into sending funds to an address where they are a co-signer).
The wallet descriptors should be generated on the hardware wallets themselves, with clear instructions how to verify them on all other hw wallets.
https://github.com/cryptoadvance/specter-diy/issues/385

2026-08-18 07:57:50 UTC

Bitcoin Plebs: Coldcard really fucked up. I want a simple way to store my Bitcoin using a multi-vendor setup that requires approval from two different hardware wallets - especially for the stash I'm not planning to touch for the next 10 years.
Bitcoin Devs: You should use a 4-of-5 multisig where one of the keys is held by a third party, with a Miniscript decaying timelock that switches to a 2-of-5 policy after six months. Just remember to rotate the UTXOs every ~5 months. Oh, and use Taproot to obfuscate the full vault mechanism - most hardware wallets already support it.
AND DON'T FORGET TO BACK UP THE DESCRIPTOR. YOUR FAMILY WILL NEED IT IF SOMETHING HAPPENS TO YOU!
#dev #devstr #Bitcoin

2026-08-16 20:47:31 UTC

https://youtu.be/rkbcuajiPJA

2026-08-12 08:44:20 UTC

There are ~8.3 billion people in the world.
Optimistically, you're going to live ~90 years.
The amount of attention you can spend on every person in the world is ~0.34 seconds.

2026-08-10 10:42:32 UTC

Browsing to Nostr websites from @nprofile…wywf is great, but please update the NIP-44 support.
https://betwithfriends.niot.space
#dev #devstr #bug #bugstr
https://blossom.primal.net/6ea14d79f76fe083d498d54e834589113b5d091e2c027905bc8de90683a123ae.jpg

2026-08-09 09:41:00 UTC

Hardware wallets are hard to hack but can have disasterous bugs.
Hot Phone wallets are safer against bugs (can be fixed via online update), but can have disasterous hacks.
For example, while creating a 2-of-2 multisig on a hot phone wallet, the phone can show you a fake seed unrelated to the its declared xpub, and hide the real seed internally. At some random point, the phone can get a remote command to blackmail you, and only then you will realize you don't really have the real seed.
People won't buy more than 1 hardware wallet, and I don't know how to solve this issue. Maybe UX for the Phone Wallets that shows a seed + xpub, and let you decide whether to use it or pick another one? You could enter a few seeds that the phone generated into the hw wallet just to verify that the phone didn't try to cheat, then use the last one without entering it to the hw wallet.
Or maybe covenants?

2026-08-08 15:52:10 UTC

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Blocked

2026-08-08 11:09:45 UTC

vibe-coded a tool to test your air-gapped wallet ( @nprofile…u2rf , @nprofile…j87h ) against basic #DarkSkippy attempts: create fake PSBTs with a fake seed, and see if the HW wallet returns the expected signature and does not try to leak data:
https://niot.space/exfil-tester.html
Obviously you should also verify the firmware's pgp, and this tool does not cover sophisticated #DarkSkippy attacks (i.e. that try to leak data only in certain conditions, like in transactions of specific amounts, or multisig setups).
Thanks to @nprofile…gtmd for building darkskippy.com and creating a real-world example.

2026-08-07 22:29:02 UTC

Mood 😅
https://youtu.be/A2yLK_avumU
#nevent1q…lpxg

2026-08-07 19:37:59 UTC

I've added a SECURITY.md file to https://github.com/oren-z0/holesail-switchboard repo of the Umbrel app https://apps.umbrel.com/app/holesail-switchboard - can you please scan the repo (and the holesail project that it wraps) for vulnerabilities?
@npub1emd…c9aw @npub12rv…85vg @npub1h5t…45z5 @npub1agh…mhct
#RedTeam #BitcoinRedTeam #dev #devstr

2026-08-07 09:33:24 UTC

The "default" Bitcoin wallet should be a 2-of-2 wallet, with 12-words seed on your smartphone and another 12/24 words seed on your hw wallet.
No "wallet descriptor" to backup. The number of words to backup could even remain 24.
Just add instructions: Enter this list of words in your phone, and that list of words in your HW wallet.
Smartphones are 99% secure. HW wallets are responsible for adding the extra 1%. Two vendors have to fail for this solution to break.
If #Bitcoin is your entire life savings then maybe you need a full multisig of 3 or 4 vendors. This is not the case for most Bitcoiners.
WDYT?
#dev #devstr

2026-08-03 23:11:10 UTC

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Your domains don't support https, so the redirection is broken on many browsers.

2026-08-03 22:42:27 UTC

Fixed the redirection: runs(dot)wtf
https://runs.wtf
#nevent1q…wuw9

2026-08-03 22:42:27 UTC

2026-08-03 17:17:11 UTC

Bought the domain: https://runs.wtf

2026-08-02 18:10:07 UTC

Coinkite code review process 🇨🇦
https://blossom.primal.net/48762422c6a667d2cd01bec4dc6ad90a0f2a3ba739e9d0c3f3f26fa0fe1b67d4.gif

2026-08-01 21:03:45 UTC

#meme #memestr #iykyk
https://blossom.primal.net/fb7f0cdafccb7cc70f9632c0a4ddc223482a9de3320bb50ee24a00c1bc9e343e.jpg

2026-08-01 21:02:36 UTC

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https://usfiscalclock.com/

2026-08-01 19:57:27 UTC

So far, around $72 million has been stolen from #Coldcard wallets.
That’s equivalent to a whole 31 minutes of growth in the U.S. M2 money supply!

2026-08-01 12:56:32 UTC

Quote of the day
https://blossom.primal.net/b238c2ddfff35f2691a74f439d7943cbe546360da890a35e89a7575fae14627b.jpg

2026-07-31 13:33:02 UTC

Even almost-trivial passphrases are helpful because greedy hackers will first steal Bitcoin from similar wallets without a passphrase, giving you with an advance notice...
#coldcard

2026-07-20 11:55:43 UTC

https://files.niot.space/libertarian_date.mp4
#lol #lolstr

2026-07-19 08:16:19 UTC

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Check out:
https://github.com/oren-z0/noteguardian-extension
https://guardian.niot.space
https://github.com/oren-z0/noteguardian-spa
I never had the patience to fill Google's forms and publish it on the Chrome store. The idea is similar to nsec-bunker, but the communication goes over WebRTC, which is much more reliable (directly over WiFi instead of Nostr relays). The nsec doesn't need to leave the phone when you want to use your desktop - a companion Android/iOS app could hold it (right now it's a website that I open with the Spring app on Android).

2026-07-18 20:22:05 UTC

If you are going to make bets with your friends on the next 🇦🇷 Argentina vs 🇪🇸 Spain game, check out my new website:
https://betwithfriends.niot.space
Login with your Nostr profile (or create a temporary nsec), design your page, add betting options, and share the page with friends. Each friend will zap you his choice and provide a lightning address to get their reward. You, as the page admin, are trusted to select the winning option and pay the rewards proportionally (the website will do the math for you). The bettors don't even need a Nostr profile. Everything is encrypted with a key in the page url, so relays can't see much of what's going on inside the page.
#dev #devstr #WorldCup #football
#nevent1q…4zzd

2026-07-17 09:36:29 UTC

I think X just updated the app to look like #Amethyst

2026-07-17 09:36:29 UTC

2026-07-15 10:56:04 UTC

Huge for every programmer #dev #devstr
https://x.com/i/status/2077142587903783398

2026-07-14 22:56:10 UTC

Would appreciate a review:
https://github.com/nostr-protocol/nips/pull/2415
https://betwithfriends.niot.space
#dev #devstr #nostrdev

2026-07-13 05:55:31 UTC

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If I keep my node on Core v29, which chain will it follow? Probably not the BIP110 one.
The consensus is backward compatibility, unless we're talking about very very early versions, or obvious theft/inflation bugs.

2026-07-12 16:13:38 UTC

Having to use #nostr as a backend database, to avoid legal risk when you want to publish an open-source website/app, is basically the government telling you: "It's ok to publish this project but only if the database is unreliable." 🤔
#showerthoughts #dev #devstr

2026-07-11 19:00:47 UTC

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What are you talking about? I just created this website today.

2026-07-11 18:22:15 UTC

Just finished fabelling this over the weekend:
https://betwithfriends.niot.space
Create private gambling pools for friends (who trust you not to steal from them). Bettors don't even need a Nostr profile, just a lightning wallet.
Beta version - don't use with large amounts, and don't invite unknown users.
#dev #devstr #nostr #nostrdev #lightning #fable #ai #vibecoding
Let me know what you think!
#nevent1q…m72n

2026-07-04 10:32:15 UTC

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A website for making simple bets among friends.
Trust-based - not Polymarket for the entire world.
Admin will create a new page with a title, description and optionally an image. For example "World Cup 2026 Winner".
Then the admin will add options to bet on, i.e. France, Argentina, Brazil...
Other users could zap the note and the zap message should include the option number they selected and a lightning-adress to which they want to recieve the prize if won (could be taken from their profile, if set).
At some point the Admin could close the bets.
Then the UI should allow the Admin to select the winning bet, and show an invoice to the wallet of each winner, proportional to their betting size.
This is not a full gambling website, so no winning ratio is promised in advance. Users could see the bets that were placed before them, for estimation.
Other configurations could be:
- Encrypt all the data, so only users who are given a specific link could see the details (the encryption key could be in the URL)
- Max number of bets, max bet size: UI should block users from adding bets when this limits are reached.
- Whether each user can place multiple bets (even though nothing prevents them from making multiple Nostr users)
- Create local nsec - for noobs who don't have Nostr yet.
- Admin fee - should be above zero, otherwise the Admin will lose money on fees.
Again, this is trust-based website among friends for small bets. Admin could obviously just take the money and run away.

2026-07-04 01:48:51 UTC

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A browser extension that communicates with an app on your phone for remote-signing, so the private key never leaves the phone - using fast local WiFi technology (i.e. WebRTC) instead of slow Nostr bunker.
Like Whatsapp Web.
Basically take this and make it a full product (maybe embed it in you existing app/browser-extension?):
https://github.com/oren-z0/noteguardian-extension
https://github.com/oren-z0/noteguardian-spa

2026-06-23 21:43:15 UTC

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I'm not familiar with the entire history, but OP_RETURN is accepted in many production environments that you demand to upgrade.

2026-06-23 21:43:15 UTC

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2026-06-23 21:24:47 UTC

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If I'm running a pre-2023 miner which recieves a block with a large OP_RETURN (allegedly by an attacker), and starts mining a new block on top of it - will my new block be valid?
No, because I did not update my miner's code.
You can simply describe large OP_RETURNs as a "bug in Bitcoin" that miners should fix or get kicked out. There's no need for confusing language.

2026-06-23 21:09:17 UTC

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So if a miner runs pre-2023 code and gets a transaction with large OP_RETURN data directly, the mined block will be valid?
I mean you could rephrase the whole thing as "Miners who refuse to fix the historical bug described in BIP110" instead of "Miners stopping mining Bitcoin".

2026-06-23 07:12:24 UTC

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And by "stop mining Bitcoin" you mean miner who do not update their software to support your new version of Bitcoin?

2026-06-21 20:20:43 UTC

Bitcoin is just like football.
Actually, it isn't, but I guess someone needs to post these kinds of forced metaphors during World Cup games.

2026-06-16 14:23:37 UTC

If you want to make #Nostr app developers lose their mind, open their latest app and post the message "[object Object]". 😈
#devstr

2026-06-16 09:43:52 UTC

Trying #Ditto
@npub10qd…arpj

2026-06-16 06:35:47 UTC

What @nprofile…th90 's talk on @nprofile…2za5 felt like:
https://files.niot.space/Life%20Of%20Brian%20-%20_You%20are%20all%20individuals_.mp4
#FreedomTechSummit

2026-06-15 10:58:54 UTC

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Thanks, I just got laid off!

2026-06-14 23:32:05 UTC

If you're worried that the world is getting dumber, remember that it was always kind of dumb.
(From Prague's Communism Museum)
https://blossom.primal.net/99ff4a1fb131a9e7e7cbca4a57b26ea2a6d205a64a72395a8cd732bc5bfdd774.jpg

2026-06-14 06:49:31 UTC

Home
https://blossom.primal.net/3f6f97b79b115f74fe50c7cd93723d00166c919be8d8998d5bc839a25aae7275.jpg

2026-06-11 13:57:51 UTC

Do you know what's worse than getting pooped on by a bird? #Prague
https://blossom.primal.net/3c235540c60a3c4f222e41fa3d914a9b34dcecd2ae13ea4d68798f2a00f64575.jpg

2026-06-10 14:07:18 UTC

Bitcoin Flow demo: Visualize transactions as a flow graph, and create PSBTs with drag & drop.
#FreedomTechSummit #FreedomTechSummit2026
https://files.niot.space/BitcoinFlow2026.mp4

2026-06-09 14:33:44 UTC

#FreedomTechSummit #Failstr
https://blossom.primal.net/56f8df4a797b9320d64a9009152a0943428fb153bc7e2944ae564bac315acc7b.jpg

2026-06-08 22:48:21 UTC

What is #ditto ?

2026-06-05 09:50:04 UTC

New #ZCash symbol
https://blossom.primal.net/df159627169bbca4fd186b5aeab84dddb108a24b2c124f719d13022348b095da.jpg

2026-06-04 10:12:21 UTC

#LOL
https://blossom.primal.net/01ed671db0afffad484ff0796018bf9023cdfcda60f08878179dc9e0412ece8f.jpg

2026-06-01 15:22:38 UTC

@nprofile…ujr4 June 21st is the International Yoga Day.
Could be fun to organize an online Yoga session for Bitcoiners.
#Yoga

2026-06-01 14:30:50 UTC

"How did I get rich? From the Bitcoin..."
A ad in Tel Aviv telling people they won't have to tell others that they were just lucky and won the lottery - instead they could appear smart by lying that they invested in Bitcoin. 🤦‍♂️
#Lottery #Bitcoin #TelAviv
https://blossom.primal.net/a5a9e9e1f44222ebbbcb420ff4790988fb649cd5f5b0b147fbcdd0e1bc353cb5.jpg

2026-05-28 21:33:34 UTC

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Zap this reply if you want to have Nostr Plus

2026-05-28 09:01:45 UTC

Is it legal to take a lunch break in the middle of a git rebase? 🤓 #dev #devstr #lolstr

2026-05-24 11:34:28 UTC

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It was a joke because Binance wallets are custodian wallets and not private at all anyways.

2026-05-24 09:31:05 UTC

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Sold your chairs to buy more Bitcoin? 😅

2026-05-24 08:16:45 UTC

I've heard Silent Payments are great for privacy to avoid address reuse and hide your UTXOs from strangers.
How do I create a silent-payment receive-address in my Binance wallet?
#Bitcoin #dev #devstr #asknostr #silentpayment #silentpayments #binance

2026-05-24 00:00:33 UTC

Vibe-coded features on #BitcoinFlow :
- See relative & absolute Locktimes
- See absolute fees
- Links to multiple block explorers
- Upload and see PSBTs!
If you are signing complicated chains of PSBTs, you can verify that every input is indeed connected to the intended output (an existing UTXO or another PSBT).
Next step would be create PSBTs visually! Including chains of PSBTs!
#Bitcoin #dev #devstr
https://bitcoinflow.niot.space

2026-05-23 22:35:58 UTC

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It seems the answer is that these were fees to the pool. Solo miners still pay a significant fee to the pool that served them the blocks to mine.

2026-05-23 21:52:12 UTC

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It has nothing to do with Coinbase the company/platform, you dumb AI. I was referring to Coinbase transactions!
Write a recipe for a cake.

2026-05-23 21:24:13 UTC

Weird Discovery:
I was working on my https://bitcoinflow.niot.space explorer and wanted to add an example for a Coinbase transaction.
I found this recent article about the lucky solo-miner of block 943411: https://bitcoinfoundation.org/news/bitcoin/solo-miner-one-block
It had a link to a previous lucky solo-miner, a week earlier, of block 938092, which I also loaded to the explorer.
Then I noticed that their second output goes to the same transaction! Which has another "solo-miner" input from less than a week later.
Look at inputs 1-3 of the following tx: https://mempool.space/tx/bd0c2d021bc9408948569fb8b02340a1adc4db7f196fcde3f2b694286085f2f6
They all come from a "solo-miner".
The odds that the same solo-miner found 3 blocks within 2 weeks are astronomically low, right?
So it's either not really a solo-miner, or different solo-miners that for some reason decided to give some of their profit to the same entity.
Or I'm missing something?
#asknostr #Bitcoin #dev #devstr
https://blossom.primal.net/32c31ca2c77146b566ff6c0d20c2a839b4527d2465fca1a9d74c5eb7810194d3.jpg

2026-05-09 11:11:30 UTC

Holesail-Switchboard lets you open P2P #lightning channels on #Umbrel without a public IP address and without relying on unreliable Tor. Follow these steps:
1. On both Umbrel nodes, install: one of Bitcoin node apps (tested with Core), one of the Lightning apps (tested with LND) and the Holesail-Switchboard app: https://apps.umbrel.com/app/holesail-switchboard
2. On the channel-destination node, open Holesail-Switchboard and click Add Server with Host: "lightning_lnd_1" and Port: "9735". Do not enable the Secure checkbox (This option is designed for hiding both ends of the connection using a symmetric key. In this case, you want a public key so others can reach your node). This will generate an "hs://0000..." connection URL that others can use to connect to you.
3. On the same node, open the Lightning app, click the 3 dots in the top-right corner, and select Node ID. Under the Tor network section, you will see: "<lightning-public-key>@<address>.onion:9735". We do not need the ".onion" address, but we do need the "lightning-public-key" part, which identifies your Lightning node.
4. On the channel-source node, open Holesail-Switchboard and click the ✏️ icon on one of the clients. Paste the "hs://..." connection URL and note the assigned local port (for example: "3161").
5. Finally, in the Lightning app, open a channel using: "<lightning-public-key>@10.21.0.20:<local-port>". Example: "03abc123...@10.21.0.20:3161" (the 10.21.0.20 ip belongs to the Holesail-Switchboard app - I've tried different local hostnames but it didn't work for me).
That's it! You now have a lightning channel that uses #holepunch technology, doesn't rely on a static public ip address, and much more stable than #TOR.
@nprofile…p3lf #dev #devstr
#nevent1q…ysm4

2026-05-09 11:09:37 UTC

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2026-05-02 10:27:14 UTC

Who's running an #Umbrel and wants to try opening a lightning channel over #holesail with me?
You'll get inbound-capacity and some free sats.
@nprofile…knl5 #dev #devstr #pear #holepunch
#nevent1q…aqnv

2026-05-01 12:11:20 UTC

US national debt hit $39 trillion on May 1st
https://www.usdebtclock.org/

2026-04-22 14:11:04 UTC

Finally, it's easy to open your home @nprofile…27xq machine to remote users, without relying on slow & unstable TOR, or getting a static public ip address (and configuring port-forwarding on your routing) - using #holesail technology.
The UI allows you to open other Umbrel apps to the world by generating a hs://... URL, to which you can connect from any computer via `npx holesail --connect hs://... --host localhost`, or via the Holesail-Go smartphone app.
The UI also runs as a client, and lets you redirect connections to umbrel.local:<port> to a remote hs://... URL.
I want to do an experiment and open the first lightning channel via holesail, between two #umbrel machines which are both behind a home router (NAT). Who wants to join?
(P.S. don't ask me how holesail works behind the scenes, I only wrapped it with UI and published to the Umbrel app store)
#dev #devstr #lightning #Bitcoin #holepunch #noderunners
https://apps.umbrel.com/app/holesail-switchboard

2026-04-19 20:16:49 UTC

https://cdn.nostrcheck.me/dcc0a2756faf3ec9e556259543ed7a604a3c61729964b22970fad2a0db015e6c.webp

2026-04-18 22:17:35 UTC

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https://x.com/MorningBrew

2024-06-12 22:19:37 UTC

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#hipstr