DECRYPT · 2026-11-04 22:46 UTC

Why Bitcoin's Next Soft Fork Could Feel Like a Practice Run

Bitcoin developers are preparing the Great Consensus Cleanup (BIP-54), a soft fork proposed in 2019 to fix four long-standing vulnerabilities: poison blocks, time warp bugs, Merkle malleability, and duplicate coinbase transactions. Developer Matt Corallo estimates an 80% chance BIP-54 is Bitcoin's next soft fork, with earliest activation potentially in September 2027 and most estimates pointing to 2028 or later. The upgrade is viewed as a practical maintenance exercise and test run for establishing deployment procedures, though some developers like Paul Sztorc consider it merely 'janitorial'…

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