Zcash’s founding principle is ledger indistinguishability: all shielded transactions look like random data paired with a proof of validity. This ensures nobody can tell who’s paying who, or how much. But scaling that privacy is a brutal systems problem. The biggest bottleneck for Zcash today isn’t raw proving speed. As the world finally wakes up to the need for privacy in blockchains and finance, the real challenge lies elsewhere: keeping wallets and validators in sync...
