Developer team unveils prototype privacy Bitcoin exchange for off-chain trading
The system combines Mercury Layer, Nostr and zero-knowledge technology to enable more private Bitcoin transactions away from the main chain, Bitcoin News said in an X post.
BTC
Fact Check
The originating Bitcoin News X post (@BitcoinNewsCom, 2026-07-22) directly states developers unveiled a privacy-preserving dark pool prototype using Mercury Layer, Nostr, and zero-knowledge technology for off-chain trading, matching the claim. Odaily and Bitget News independently report the same, citing that post. The btcbreakdown newsletter adds corroborating detail naming the developer (Janusz of Lxdev). All sources are mutually consistent with no conflicting evidence.
Summary
A developer team has released a prototype Bitcoin exchange focused on privacy for off-chain trading, combining Mercury Layer, Nostr and zero-knowledge technology, according to a post by Bitcoin News on X. The design points to an effort to make Bitcoin transfers more private and potentially more efficient by shifting activity away from the base blockchain while using privacy-preserving cryptography and external communication rails.
Terms & Concepts
- Mercury Layer: A Bitcoin-related layer used for off-chain transactions.
- Nostr: A decentralized messaging protocol often used for relaying information.
- zero-knowledge technology: Cryptographic methods that prove something without revealing underlying data.