telluride on Nostr: Super interesting comment post by Joe Burnett today. A Johns Hopkins cryptography ...

Super interesting comment post by Joe Burnett today.

A Johns Hopkins cryptography professor post suggested that: “we might lose public key cryptography.”

(I’ll post the full text in the comments for any that don’t click on X links)

—Well worth the read if you’re interested in the quantum threat to bitcoin and why it’s important to not reuse bitcoin addresses.

“The attacker needs your public key.

If your public key is already exposed, your coins would be vulnerable to this kind of breakthrough. If it remains hidden, this specific attack requires that key to become exposed.

Glassnode’s May 2026 analysis estimated that roughly 70% of issued BTC had no public-key exposure on-chain.

For addresses that hide the public key, spending reveals it. Reusing that address afterward leaves any remaining or newly received coins exposed. Avoiding address reuse is best practice.”
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https://x.com/iiicapital/status/2108170509187686417