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Better phrasing

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Co-authored-by: kallewoof <kalle.alm@gmail.com>
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Ethan Heilman 2023-12-14 23:44:44 -05:00 • committed by GitHub
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@ -20,7 +20,7 @@ When evaluated the OP_CAT instruction:
# concatenates the popped values together,
# and then pushes the concatenated value on the top of the stack.
OP_CAT fails if there are less than two values on the stack or if a concatenated value would have a combined size of greater than the maximum script element size of 520 Bytes.
OP_CAT fails if there are less than two values on the stack or if a concatenated value would have a combined size greater than the maximum script element size of 520 Bytes.
==Motivation==
Bitcoin tapscript lacks a general purpose way of combining objects on the stack restricting the expressiveness and power of tapscript. For instance this prevents among many other things the ability to construct and evaluate merkle trees and other hashed data structures in tapscript. OP_CAT by adding a general purpose way to concatenate stack values would overcome this limitation and greatly increase the functionality of tapscript.