To bridge from Base to Optimism, choose USDC, USDT or ETH on Base as “from” and the token you want on OP Mainnet (Optimism) as “to”, compare the routes and confirm. Both networks use 0x addresses, so funds arrive at the same address. On Optimism, gas is paid in ETH and tokens follow the ERC-20 standard.
Route at a Glance
| Base (source) | Optimism (destination) | |
|---|---|---|
| Gas token | ETH | ETH |
| Token standard | ERC-20 | ERC-20 |
| Typical gas | Cents (Ethereum L2) | Cents (Ethereum L2) |
| Address | 0x… | Same 0x… |
Bridges on This Route: Live Check
We requested routes for 1,000 USDC from Base to Optimism through the LI.FI API on October 22, 2026. Available bridges: Across, Circle CCTP (standard), LI.FI Intents, Relay.
| Bridge | Time | |
|---|---|---|
| Fastest | Across | a few seconds |
| Cheapest | Circle CCTP (standard) | about 18 minutes |
The cheapest route delivered about $0.10 more per $1,000 than the fastest one, before the service fee, at the cost of about 18 minutes instead of a few seconds. For small amounts speed usually wins; for large transfers the slower route saves more.
Routes, prices and times change with liquidity and network load; the widget above always shows the current quote before you sign.
Step by Step
- Connect your wallet on Base.
- From: USDC, USDT or ETH on Base. To: the token you want on Optimism, plus a little ETH for gas.
- Review the route, fees and amount received.
- Approve and confirm; add OP Mainnet (Optimism) to your wallet if needed.
Tips
- Take some ETH for gas on arrival.
- Check the network, not just the address: a 0x address exists on every EVM chain, so confirm that an exchange accepts deposits on Optimism before sending.
- Fees: network gas on both sides plus the service fee are shown before you confirm.
Stablecoins on each chain: USDT networks; moving stablecoins: how to bridge USDT; how bridges work: cross-chain bridge. More routes on the bridge hub.