List of Flash News about 64 byte transaction
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2025-12-09 13:25 |
Bitcoin BTC 64 byte transaction vulnerability may mimic Merkle tree hash step, BitMEX Research explains exploit and proposed fix
According to @BitMEXResearch, a 64 byte Bitcoin transaction can be confused with an intermediate hashing step in Bitcoin’s Merkle tree because both are 64 bytes, creating a vulnerability that can be exploited (source: @BitMEXResearch on X, Dec 9, 2025). According to @BitMEXResearch, the research also reviews a proposed fix to prevent this ambiguity (source: @BitMEXResearch on X, Dec 9, 2025). |