This is Part 3 in the technical article series about Bitcoin covenants by Cointelegraph Research. To read the previous article click here. SIGHASH_ANYPREVOUT, as proposed in BIP 118, builds on the earlier SIGHASH_NOINPUT concept mentioned in the 2015 Lightning Network paper by Joseph Poon and Thaddeus Dryja, and later formally proposed by Joseph Poon on the bitcoin-dev mailing list in February 2016.SIGHASH_ANYPREVOUT is not a new opcode but a proposed new value for the SIGHASH flag, designed to be deployed as a soft-fork upgrade to Bitcoin. The SIGHASH flag is appended to a signature and determines which parts of a transaction…

Payward, the parent company of crypto exchange Kraken, has won a $22 million arbitration award against former auditor Mazars USA and asked the Delaware Court of Chancery to enter judgment on the award, according to a letter published Tuesday by co-CEO Arjun Sethi.Payward said Mazars withdrew from the exchange’s nearly completed 2022 audit despite finding no fraud, raising no concerns about management’s integrity and reporting no disagreements with the company.”An audit is not a favor. It is oxygen,” Sethi wrote, arguing that independent audits are essential for obtaining banking services, licenses and other business relationships.Sethi said Mazars’ resignation was part of…

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