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Coinbase urges early Bitcoin upgrade to quantum-resistant signatures for large custodians.

Protocol Fundamentals
14 Oct 2026
Unchained
View Source
Neutral
Coinbase urges early Bitcoin upgrade to quantum-resistant signatures for large custodians.

Coinbase, holding about 5% of all Bitcoin, has called on developers to start upgrading Bitcoin's signature schemes to be quantum-resistant before any quantum threat emerges. The exchange emphasizes flexible designs that allow swapping signature methods without full redesigns, highlighting the long migration times for large custodians. Coinbase also stresses the importance of addressing dormant coins separately from technical upgrades and favors hybrid signature schemes that support both classical and post-quantum keys. This move aims to protect Bitcoin from future quantum computing risks while accommodating the operational needs of big custodians.

Bitcoin's quantum-resistant upgrade discussion coincides with a mixed market where 17 of 50 major cryptocurrencies rose and 32 fell on Pluang. For readers following cryptocurrency trends, here is Pluang's market snapshot as of Oct 14, 2026 17:31 WIB: BAL (Balancer) gained 11.14% to Rp16.297 with a typical hold time of 85 days, EOS (EOS.IO) rose 8.13% to Rp12.649 with a hold time of 87 days, while XTZ (Tezos) declined 6.22% to Rp5.638 with a typical hold time of 100 days and Pluang order activity showing 82% sell versus 18% buy.

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