TREE NEWS update: Misha Komarov, founder of [alloc] init and co-founder of =nil; Foundation, has proposed “shielded Bitcoin,” a method to bring Zcash-style privacy to Bitcoin using a cryptographic primitive his team calls Bitcoin PIPEs. The approach is designed to work without a Bitcoin fork. Komarov discussed the mechanism, including how witness encryption turns zero-knowledge proofs, in an interview.
Developer Pitches Shielded Bitcoin Using Bitcoin PIPEs, No Fork Needed
Privacy on Bitcoin has historically required either protocol changes or wrapping BTC on other chains, so a no-fork construction is notable for touching Bitcoin's base layer without asking for consensus. The pitch lands in a crowded field of privacy proposals, where the real filter is not the cryptography but whether it can ship and be adopted. The open questions are whether Bitcoin PIPEs move beyond a concept and how the mechanism handles Bitcoin's existing transparency assumptions.
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