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Ethan Heilman

Author of 2 BIPs.

  • BIP 347: OP_CAT in Tapscript: Complete. Brings back OP_CAT, an instruction that joins two pieces of data together, which was disabled in Bitcoin's early days over security concerns. Re-enabled only inside Taproot scripts, this simple…
  • BIP 360: Pay-to-Merkle-Root (P2MR): Draft. Proposes a new output type, Pay-to-Merkle-Root, that works like Taproot but removes the option to spend directly with a single public key. Since only hashes are exposed until spending, coins in…