Questions tagged [bip347-op-cat]
BIP 347 proposes adding OP_CAT in Tapscript. OP_CAT pops the two top stack elements, concatenates them, and pushes the result back on the stack.
2 questions with no upvoted or accepted answers
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Ways of emulating OP_CAT
I understand that it's possible to emulate concatenation for up to 32 bits by calculating:
x || y = x + (y << len(x)),
where the left shift (L_SHIFT) can be performed through multiple ...
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Consensus Question
With all the recent developments of the spammers and those who want to filter them. I have a few things I don't get. They mention the bug that wasn't fixed (CVE-2023-50428). As I understand, this &...
