Coinbase is creating advanced post-quantum custody solutions to secure Bitcoin and other digital assets against potential quantum computing threats. Traditional Multi-Party Computation (MPC), which splits private keys among multiple parties, may not work with some post-quantum signature schemes, especially hash-based ones. To address this, Coinbase is exploring a fallback system using programmable Hardware Security Modules (HSMs) that securely store encrypted keys. This adaptable approach aims to support any future Bitcoin signature scheme, ensuring Coinbase can protect roughly $250 billion in institutional assets regardless of how Bitcoin evolves in the post-quantum era.
Coinbase's post-quantum Bitcoin custody plans provide context for digital asset security. For readers following cryptocurrency markets, here is Pluang's market snapshot as of Sep 23, 2026 02:51 WIB: 42 of 50 major cryptocurrencies rose today. Notable movers include SXP down 46.27% at Rp37, BCH up 26.38% at Rp5.977.797 with 63% sell order activity, and ONE down 17.29% at Rp58.
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The Vanguard Information Technology ETF (VGT) excludes major tech-adjacent companies like Alphabet (Google), Meta, and Amazon due to a 2018 sector reclassification that moved these firms out of the Information Technology sector. Instead, VGT focuses ...
