Refreshed 1h ago· updates every 6h
Syscoin Bridge (2026) — Crypto Hack
Fully RecoveredJun 7, 2026·
Syscoin
Amount Stolen
$10.0M
~5 billion unauthorized SYS tokens minted
Recovered
$10.0M
100% of stolen funds
An attacker minted ~5 billion unauthorized SYS tokens by exploiting a parsing error in Syscoin bridge proof validation; all unauthorized SYS were returned and burned.
Summary
An attacker minted ~5 billion unauthorized SYS tokens by exploiting a parsing error in Syscoin bridge proof validation; all unauthorized SYS were returned and burned.
How It Was Compromised — Bridge Exploit via Parsing error in bridge proof validation
Bridge ExploitParsing error in bridge proof validation
On June 7, 2026, the Syscoin Bridge was exploited through a parsing error in its proof validation logic. The attacker minted approximately 5 billion unauthorized SYS tokens, resulting in approximately $10M in exposure. All unauthorized SYS tokens were subsequently returned and burned, achieving a full recovery.
Fund Flow & Laundering Analysis
No laundering activity observed. All unauthorized SYS tokens returned and burned.
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