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.

Proposal / specification year: 2020First published

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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BIP 342 ↗