Jeremy Rubin

Author of 4 BIPs.

BIP 119: CHECKTEMPLATEVERIFY: Draft. Proposes CHECKTEMPLATEVERIFY, a script instruction that restricts coins so they can only be spent in a transaction matching a predetermined template. This 'covenant' could enable vaults that protect…
BIP 348: CHECKSIGFROMSTACK: Draft. Adds an instruction letting Bitcoin scripts verify a signature over any piece of data, not just over the spending transaction itself. That opens the door to things like delegating spending rights,…
BIP 349: OP_INTERNALKEY: Draft. Adds a small script instruction that places a Taproot output's 'internal key', the main key behind the output, onto the script's working data. It saves space by avoiding repeating that key inside…
BIP 449: OP_TWEAKADD - x-only key tweak addition: Draft. Proposes OP_TWEAKADD, a script instruction that adjusts a public key by adding a given number to it, mirroring the 'tweak' technique Taproot already uses. It would let scripts verifiably derive new…