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Bitcoin must upgrade to quantum-resistant tech within 2 years to avoid security risks from quantum computing.

Protocol Fundamentals
25 Oct 2026
Crypto Briefing
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Neutral
Bitcoin must upgrade to quantum-resistant tech within 2 years to avoid security risks from quantum computing.

At Token2049 Singapore in October 2026, Muneeb Ali, co-founder of Stacks, warned that Bitcoin has about two years to upgrade its cryptography to quantum-resistant signatures, followed by another two years for users to migrate their coins to these safer addresses. This four-year timeline aligns with US standards aiming to phase out vulnerable cryptography by 2035. The upgrade could reduce Bitcoin's base transaction capacity to 10%, pushing more activity off-chain onto secondary layers like Stacks, which is developing a post-quantum security layer and plans to increase network capacity significantly. Bitcoin holders should prepare to move coins to quantum-safe addresses to maintain security as quantum computing threats grow.

Bitcoin's post-quantum upgrade timeline is the subject here, with Pluang market data providing context. As of Oct 26, 2026 02:21 WIB, 26 of 50 major cryptocurrencies rose and 22 fell. Notable movers include SAND at Rp872 with a 1-day change of -2.27% and 80% sell activity, BNB at Rp13.422.959 with +2.12% change and 68% sell activity, and FIL at Rp16.579 with -2.06% change and 67% sell activity.

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