Bitcoin’s quantum debate keeps slipping sideways because people keep arguing about two different things at once.

One question is technical: if quantum computing gets good enough to break Bitcoin’s signature scheme, the protocol can respond. New address types, migration rules, soft forks, deprecations, key rotation. That is a real engineering problem, but it is still an engineering problem.

The other question is legal: suppose someone uses a quantum computer to derive the private key for an old wallet and sweep the coins. What, exactly, just happened? Did he recover abandoned property, or did he steal someone else’s bitcoin?

In April 2026, BIP-361 proposed freezing more…

Read more on BitcoinMagazine