1 / 5
Coinbase, which says it holds about 5% of all BTC, published its priorities for a post-quantum Bitcoin upgrade on 13 October 2026.
2 / 5
No quantum computer can break Bitcoin keys today, but consensus changes and wallet migrations take years, so Coinbase wants work to start early.
3 / 5
It favours output types such as P2MR (BIP-360) or P2TRv2, so signature schemes can be added or replaced without a full redesign.
4 / 5
Coins could have two spending paths, one classical and one post-quantum, so users keep signing normally while a quantum-safe path waits.
5 / 5
Avoid address reuse, keep wallet software and firmware current, and be wary of "quantum-safe" token pitches. Nothing has changed on the network yet.
Sources, context and the details behind every number are in the full article on btcmedia.news.
Not financial advice.