Zcash Network Outage
Overview
Zcash block explorers show no new blocks for over four hours since block 3,364,601.
Zcash blockchain stopped producing blocks for over four hours, freezing transaction confirmations.
Resolution · Jun 3, 2026, 12:00 AM
A critical counterfeiting vulnerability in Zcash's Orchard pool could allow unlimited minting of ZEC, patched via hard fork, but past exploitation cannot be ruled out.
Sources & Timeline
- UpdateDecrypt90%
Shielded Labs' AI-assisted audit discovered a vulnerability in Zcash that could mint counterfeit coins, and the emergency fix cannot confirm past exploitation.
Jun 5, 2026, 3:49 PMRead on Bytewit → - NewDecrypt85%
Discovery of the Orchard pool vulnerability raised fears of undetectable counterfeit ZEC minting.
Jun 5, 2026, 6:25 PMRead on Bytewit → - Post-mortemDecrypt100%
Shielded Labs disclosed the vulnerability after fixing it, causing market selloff due to auditability concerns.
Jun 5, 2026, 8:26 PMRead on Bytewit → - NewDecrypt95%
Claude Opus 4.8 identified a vulnerability in Zcash that could allow unlimited ZEC minting, raising the possibility of counterfeit coins.
Jun 6, 2026, 8:56 PMRead on Bytewit → - ResolvedCointelegraph90%
Critical vulnerability in Zcash's Orchard zero-knowledge proof circuit discovered during audit.
Jun 3, 2026, 2:33 PMRead on Bytewit → - ResolvedCointelegraph100%
Security researcher Taylor Hornby discovered the bug using Claude AI and disclosed it to ZODL, leading to emergency patch.
Jun 5, 2026, 5:09 AMRead on Bytewit → - NewCoinDesk90%
Zcash block explorers show no new blocks for over four hours since block 3,364,601.
Jun 3, 2026, 10:22 AMRead on Bytewit → - NewDecrypt90%
Zcash's privacy design prevents definitive exploit confirmation, sparking market panic and a 40% price crash.
Jun 5, 2026, 4:15 PMRead on Bytewit → - NewCoinDesk70%
AI model discovered a critical vulnerability in the Zcash protocol.
Jun 5, 2026, 3:02 PMRead on Bytewit →
