# Coinbase lays out a multi-year plan to move Bitcoin to quantum-resistant signatures as researchers ship a post-quantum Lightning prototype

Coinbase backs hybrid wallets that can spend with either a classical or a post-quantum key, and it wants the fate of dormant coins decided separately so that dispute does not delay the upgrade.

- Published: 2026-10-14T05:36:59.411Z
- Canonical: https://polylog.news/crypto/2026-10-14/coinbase-lays-out-a-multi-year-plan-to-move-bitcoin-to-quant
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [crypto.news](https://crypto.news/coinbase-proposes-ways-to-protect-bitcoin-from-quantum/), [Bitcoin Magazine](https://bitcoinmagazine.com/news/quantum-defense-for-bitcoins-lightning), [The Block](https://www.theblock.co/news/ecosystems/2026-10-13-coinbase-bitcoin-post-quantum-migration-418509), [The Quantum Insider](https://thequantuminsider.com/2026/10/13/coinbase-urges-early-work-on-bitcoins-post-quantum-transition/), [Crypto Briefing](https://cryptobriefing.com/bitcoin-lightning-network-quantum-proof-pqln/)

Coinbase, the largest United States crypto exchange and one of the biggest Bitcoin custodians, has published recommendations for Bitcoin's move to quantum-resistant signatures. It argues that preparation should start early because the trans…

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