The price of Zcash fell by 50% following the discovery of the Orchid bug in May 2024

Cryptocurrencies engineered to hide senders, receivers or amounts, led by Monero and Zcash, and the exchange delistings and bans they face.

Critical double-spending vulnerability discovered in May 2026 in the Orchard shielded pool of the Zcash privacy cryptocurrency, and the coordinated emergency response of soft-fork mitigations and the NU6.2 network upgrade that resolved it without any exploitation or loss of funds.