Across Protocol Bridge
Intent-based cross-chain bridge where relayers fill transfers and are repaid later from pooled liquidity.
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Across key facts
| Category | Cross-chain bridge |
|---|---|
| Chains | Ethereum, Arbitrum, Base, BNB Chain and other EVM chains |
| Platforms | Web, API |
| Custody | Non-custodial |
| Fees | LP fee plus relayer fee, taken as the gap between input and output amount |
| Chains | 22 chains |
| Security audits | OpenZeppelin |
What is Across?
Across is a cross-chain bridge in which relayers front funds on the destination chain and are repaid from liquidity pools. Its docs list deployments on 22 chains. The fee is the gap between the amount deposited and the amount received, split into an LP fee and a relayer fee.
Across usage
From DefiLlama (TVL) (fees users paid), updated Sep 26, 2026.
Across pros and cons
- Deployed on 22 chains per its contract list
- Contracts audited by OpenZeppelin
- Bug bounty pays up to $1,000,000 for critical issues
- LP fee rises steeply once pool utilization passes its kink
- Blast support scheduled for removal on July 20, 2026
- Mostly EVM chains
Across FAQ
What is Across?
Across is a cross-chain bridge in which relayers front funds on the destination chain and are repaid from liquidity pools. Its docs list deployments on 22 chains. The fee is the gap between the amount deposited and the amount received, split into an LP fee and a relayer fee.
How much value is locked in Across?
$22.2M according to DefiLlama on Sep 26, 2026. It is deployed on 1 chain: Ethereum.
How much does Across cost?
LP fee plus relayer fee, taken as the gap between input and output amount, according to Across’s own page (checked Sep 26, 2026).
How much do users pay Across in fees?
$120,334 over the last 30 days, according to DefiLlama on Sep 26, 2026.
Does Across hold my funds?
No. Across is non-custodial: you keep your funds in your own wallet and sign each transaction.
Sources
How this page works
Sources: Across: official site, Across: Fees in the System, Across: Chains and Contracts. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.