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Bug in ‘Timelocked’ Bitcoin Contracts Could Spur Miners to Steal From Each Other

A widespread bug has compromised a special type of bitcoin transaction that is supposed to discourage miners from cheating, new research shows. In a report released in late April, pseudonymous engineer 0xb10c found more than a million of these “timelocked” transactions made between September 2019 and March 2020 were not accurately

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