bip-ec-ops: add initial draft #1945
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jonatack
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Aug 25, 2025
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| # Copyright | ||
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| This document is licensed under the 3-clause BSD license. |
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Duplicate Copyright section with the one at lines 28-30, can remove one of the two.
| Title: Elliptic Curve Operations for Bitcoin Script | ||
| Author: Olaoluwa Osuntokun <laolu32@gmail.com> | ||
| Comments-Summary: X | ||
| Comments-URI: X |
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Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-TBD
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| ## Abstract | ||
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| This document specifies a series of Elliptic Curve opcodes for secp256k1. These |
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Suggest listing the new opcodes here.
Suggested change
| This document specifies a series of Elliptic Curve opcodes for secp256k1. These | |
| This document specifies a series of Elliptic Curve opcodes for secp256k1: `OP_EC_POINT_ADD`, `OP_EC_POINT_MUL`, `OP_EC_POINT_NEGATE`, and `OP_EC_POINT_X_COORD`. These |
(nit, use consistent spelling of "opcode" or "op code" in this document -- I prefer "opcode")
| Script size. | ||
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| With the addition of the `OP_EC_POINT_ADD`, `OP_EC_POINT_MUL`, and | ||
| `OP_EC_POINT_X_COORD` op codes (in concert with `OP_CAT`), a Bitcoin Script |
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Should OP_EC_POINT_NEGATE be in this list?
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In this PR, we add a new draft BIP proposing the addition of fundamental Elliptic Curve op codes. Amongst other things, this series of op codes permits the computation of the top level Taproot output public key in Bitcoin Script. This enables a new flavor of on-chain state machines, in addition to many other use cases.