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by Theyeard
4331 days ago
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Yes, exactly. And there are a lot of tricky corner cases like SIGHASH_SINGLE when number of inputs != number of outputs with hash 0x01 [0]. Actually the entire implementation (Bitcoin Core) is the specification :) It's interesting from the software design point of view - an extreme case of backwards compatibility. It's hard even within Bitcoin Core as some changes already caused forks [1]. The article is just a demonstration but it won't hurt if it was as accurate as possible (while still being readable) :) [0] https://en.bitcoin.it/wiki/OP_CHECKSIG#Procedure_for_Hashtyp... [1] http://bitcoinmagazine.com/3668/bitcoin-network-shaken-by-bl... |
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