Bitcoin Could Get Zcash-Style Privacy Without a Fork — but the Real Story Is Who Gets to See Your Receipts
AI-summarised brief · reviewed before publication
A team from New York’s alloc lab released a 56‑page Shielded Bitcoin proposal that would let users hide senders, receivers, and amounts on Bitcoin’s main network without a soft fork. The design borrows Zcash’s zero‑knowledge proofs, embedding encrypted “notes” inside ordinary transactions tagged with a “shbtc:” label. Validation occurs client‑side via indexers, while miners and the base protocol remain unchanged. Private transfers cost about four times a typical fee, and a full on‑chain transfer mechanism is still unimplemented, with critics warning the rollout could take years.
💡 Why It Matters
- · The proposal offers a practical path to Bitcoin privacy that sidesteps the contentious fork debate, potentially accelerating adoption of confidential transactions without disrupting the existing network.