CriticalResolvedInfrastructure OutageINC-3DE9A4

Zcash Network Outage

Confidence93% · High
TypeInfrastructure Outage
Signals3
First DetectedJun 3, 2026, 3:26 PM
Last SignalJun 3, 2026, 5:27 AM

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.

Protocols
ZcashOrchard
Chains
Zcash
Assets
ZEC

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

  1. ResolvedCointelegraph90%

    Critical vulnerability in Zcash's Orchard zero-knowledge proof circuit discovered during audit.

    Jun 3, 2026, 2:33 PMRead on Bytewit →
  2. 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 →
  3. 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 →
Zcash Network Outage | Bytewit Incidents