The BOB Report Signals Rapid Progress in Bitcoin DeFi and BitVM3
BitMEX Research published a detailed examination of the long-known “64-byte transaction” quirk in Bitcoin, showing how such transactions can be confused with Merkle tree internals and potentially exploited to deceive SPV clients.
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The BOB Report (Dec 16, 2025)
Here we report on the progress of the @build_on_bob ecosystem, documenting recent significant releases, technical breakthroughs and general updates.
BOB implemented Cut-and-Choose for BitVM3 using Verifiable Secret Sharing Schemes and adaptor signatures, with related transactions submitted to @Bitcoin mainnet.