# Introducing Zark — offchain transfer protocol that uses zero-knowledge proofs

https://hackmd.io/@januszgrze/HJlHensozl

Introducing Zark Zark is a offchain transfer protocol that uses zero-knowledge proofs to improve privacy for bitcoin transfers and coinswaps. Users facilitate transfers of ownership by coordinating with a blinded co-signer. Users retain unilateral exit rights for funds they hold. Users explicitly trust the co-signer to delete keyshares that it holds with previous owners at the time of transfer. Upon receiving a coin, a user verifies that they have the lowest timelock in the coin’s history without learning who previous owners in the coin’s history are. Goal Bitcoin is a natively transparent

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Canonical URL: https://qwibbit.com/q14846

Created: 2026-10-21T22:21:44.478490+00:00

Last edited: 2026-10-21T22:21:44.478490+00:00

Board: 3

Origin: Syndicated

Original source: https://hackmd.io/@januszgrze/HJlHensozl