Lorenzo Valente, ARK Invest's Director of Research for Digital Assets, expressed increased optimism that Bitcoin will implement quantum-resistant upgrades before 'Q Day'—the point when quantum computers could break Bitcoin's cryptography. This view follows ARK's 2026 white paper outlining a gradual rise in quantum risk, allowing time for protocol improvements like post-quantum signature schemes. Currently, about 35% of Bitcoin supply is in addresses with exposed public keys vulnerable to quantum attacks, but many of these coins are either lost or can be moved to safer addresses. Quantum hardware capable of threatening Bitcoin's security is still years or decades away, and proposals like BIP-360 are in progress to enhance Bitcoin's defenses. Bitcoin holders using older or reused addresses should monitor developments and consider migrating coins to quantum-resistant formats as upgrades roll out.
Bitcoin's quantum-resistant upgrade optimism is presented here alongside Pluang's market snapshot as of Oct 13, 2026 09:41 WIB: out of 50 major cryptocurrencies, only 5 rose while 44 fell. Among notable movers, GRT dropped 7.93% to Rp457 with 78% sell activity, NEO fell 7.77% to Rp43.132 but saw 70% buy activity, and COTI declined 7.50% to Rp222 with 78% sell activity. Typical hold times range from 96 to 121 days across these assets.
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