Historical retrospective · Bitcoin
BIP 342 defined the script rules for Taproot script paths
BIP 342 introduces Tapscript, adapting Bitcoin Script validation to Taproot’s version-1 witness rules and Schnorr signatures.
It supports new script paths while removing some historical limits and changing how signature operations are accounted for.
Tapscript completes a technical layer of Taproot that users rarely see directly but application developers must understand.
New expressiveness can increase implementation complexity; testing and careful wallet support remain essential.
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