#blind-signatures
3 items · 3 articles
Articles
Sign What You Cannot See: A Field Guide to Blind Signatures
Four decades of blind signatures show that one algebraic trick, letting someone sign what they cannot see, protects ecash and CoinJoin.
The Praxeology of Privacy ~ Chapter 18: Lessons from History
DigiCash, e-gold, and Silk Road failed through centralization and poor OPSEC. Bitcoin succeeded through decentralization, open source, and properly aligned economic incentives.
Private Relay Connections: Zero-Knowledge Solutions for Nostr
Nostr relays see everything - who connects, what they fetch, how often they post. Zero-knowledge cryptography can fix all three problems: Semaphore-based authentication hides which whitelisted user is connecting, private information retrieval hides which notes you're fetching, and Privacy Pass enables rate limiting without identity linkage.