ChainSwap
ChainSwap is a permissionless cross-chain asset bridge and aggregation protocol. It is included because two separate July 2021 exploits caused approximately $800,000 and $4 million in reported losses, followed by compensation programs and an August 2021 relaunch.
Bridge facts
- Canonical name
- ChainSwap
- Type
- Asset Bridge
- Status
- Active
- Confidence
- High
- Primary chains
- Ethereum, BNB Chain, Polygon, Unknown
- Primary assets
- Unknown
- Operator
- ChainSwap
- Ecosystem
- ChainSwap
- Launch date
- Unknown
- End date
- Unknown
- Terminal reason
- Not applicable / unknown
- Last reviewed
- 2026-06-15
- Last verified
- 2026-06-15
Incident cases
ChainSwap July 10–11, 2021 quota exploit2021-07-10
A logic flaw in ChainSwap's cross-chain quota code allowed non-whitelisted addresses to increase bridge quota and affect 20 bridged assets. ChainSwap reported a combined value of approximately $4 million and took the bridge offline.
ChainSwap July 2, 2021 exploit2021-07-02
An attacker exploited the ChainSwap bridge and withdrew assets from wallets that had interacted with it. The team froze the bridge and nodes, deployed a fix, and estimated total damage at approximately $800,000.
Evidence records
- ChainSwap post-mortem and compensation planChainSwap · Tier 1 · 2021-07-04
- ChainSwap Exploit 11 July 2021 Post-MortemChainSwap · Tier 1 · 2021-07-12
- ASAP token important updateChainSwap · Tier 1 · 2021-07-13
- ChainSwap re-launch, we are liveChainSwap · Tier 1 · 2021-08-20
- ChainSwapChainSwap · Tier 1 · 2026-06-15
Official URL status
Official URL recorded as live: https://www.chainswap.com/