Hack history / 2026 / Hack or exploit
Syscoin Bridge
Hack or exploit on Jun 7, 2026 · Forged Proof
SOURCES AGREE ON DATE AND LOSS · 3 SOURCES
Lost
$10M
dollars at the time
Returned
none listed
as the sources state it
Rank
#293
among thefts by dollars lost
What happened
Syscoin bridge exploited via parsing inconsistency between Syscoin Core and NEVM relay. A malformed UTXO burn proof with duplicate asset commitments was accepted as valid by the relay, enabling unauthorized minting of ~5B SYS tokens.
Details
- Date
- Jun 7, 2026
- Kind
- Hack or exploit
- Method
- Forged Proof
- How in
- Bridge and cross-chain
- Target
- DeFi protocol
- Chains
- Syscoin
Reported by
Related incidents
Verus-Ethereum Bridge 2026 · Hack or exploit · $11.6M
Verus-Ethereum Bridge 2026 · Hack or exploit · $7.5M
Hyperbridge 2026 · Hack or exploit · $2.5M
FOOM Cash 2026 · Hack or exploit · $2.3M
Aztec Connect 2026 · Hack or exploit · $2.1M
Verus-Ethereum Bridge 2026 · Hack or exploit · $7.5M
Hyperbridge 2026 · Hack or exploit · $2.5M
FOOM Cash 2026 · Hack or exploit · $2.3M
Aztec Connect 2026 · Hack or exploit · $2.1M
Cite this page
SwanBluechip, "Syscoin Bridge hack, Jun 7, 2026: $10M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htc3b841a0ec/ (data as of 2026-11-01).