Syscoin UTXO–NEVM Bridge
Syscoin UTXO–NEVM Bridge is Syscoin's native asset bridge between its UTXO and NEVM layers. It is included because a June 2026 cross-layer interpretation exploit released 5 billion unauthorized SYS; the full amount was later returned and burned, while the bridge remained paused in the latest explicit reviewed first-party status.
Bridge facts
- Canonical name
- Syscoin UTXO–NEVM Bridge
- Type
- Canonical Bridge
- Status
- Paused
- Confidence
- High
- Primary chains
- Syscoin UTXO, Syscoin NEVM
- Primary assets
- SYS
- Operator
- Syscoin Core and ecosystem contributors
- Ecosystem
- Syscoin
- Launch date
- Unknown
- End date
- Unknown
- Terminal reason
- Not applicable / unknown
- Last reviewed
- 2026-08-10
- Last verified
- 2026-08-10
Incident cases
Syscoin UTXO–NEVM Bridge 2026 exploit2026-06-07
On June 7, 2026, the Syscoin UTXO-to-NEVM bridge was exploited through a cross-layer interpretation mismatch involving duplicate asset commitments. The incident caused an unauthorized release of 5 billion SYS on the UTXO side. The full amount was later returned and burned, while the bridge remained paused in the latest explicit reviewed first-party status.
Evidence records
- Technical Postmortem: Syscoin Bridge Incident, Recovery, and RemediationSyscoin · Tier 1 · 2026-06-15
- Explained: The Syscoin Bridge Hack (June 2026)Halborn · Tier 2 · 2026-06-08
Official URL status
Official URL recorded as live: https://bridge.syscoin.org/Help maintain bridge history
Support incident linkage, lifecycle updates, evidence preservation, broken-link replacement, and corrections.
Report a correction
Report missing evidence, incorrect dates, outcome changes, recovery details, reimbursement status, or broken links. GitHub Issues are preferred for structured review; the Google Form is available if you do not use GitHub.