Base · Polygon · Arbitrum · Ethereum · BNB · live
The sovereign
way to swap
on-chain.
Swap crypto instantly with low fees. SE1 routes your trade across the deepest liquidity on Base, Polygon, Arbitrum, Ethereum, and BNB Chain — keep your keys, keep your coins, pay just 0.25%.
Fee
0.25%
Chains
5
Custody
None
Treasury offline
Sovereign Exchange
Best Routes
Aggregated across the deepest liquidity on every supported chain.
Non-custodial
You sign every transaction. SE1 never touches funds.
Transparent Fees
Flat 0.25% — shown before you confirm, verifiable on-chain.
Multi-chain
Base, Polygon, Arbitrum, Ethereum and BNB Chain — live now.
Step into the vault.
Connect a wallet, pick a pair, and trade with sovereignty.
Launch App