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Optimism Bridge

Bridge any token to and from Optimism — the original optimistic rollup across 50+ networks — USDC, WETH, USDC.e and dozens more in one non-custodial transaction. Median delivery 32 seconds via Symbiosis routing layer.

Open Optimism bridge

Proven at scale

Five years of secure cross-chain infrastructure

2021

Live Since

2021

50+

Chains

50+

58 sec

Avg bridge time

58 sec

$10B

Total volume

$10B

CROSS-CHAIN GUIDE

How to bridge to Optimism

Example quote from 25 September 2026: sending 3,000 USDC (~$3,000) from Ethereum returns about 1.1177 ETH on Optimism via Symbiosis, estimated ~45 sec — no wrapped tokens beyond the standard route, fully non-custodial. Symbiosis works as a liquidity meta-aggregator, comparing routes across multiple DEXes and bridge providers and picking the best one by price, fee, and speed automatically. This is one of the most popular flows on this corridor; the same widget supports any source chain and token combination. Here's how the flow works:

Pick the source. Set Ethereum as source and Optimism as destination — the USDC sits in an Ethereum wallet, and the goal is access to Optimism DeFi and Superchain apps.
Connect wallets. MetaMask on the Ethereum side, MetaMask on the Optimism side. Symbiosis reads the destination address automatically from the connected wallet — no manual paste required.
Enter the amount. 3,000 USDC (~$3,000) in this example. Keep enough ETH in the wallet to cover network gas.
Review the quote. Symbiosis displays the exact ETH amount on Optimism (about 1.1177 ETH in this example), the flat Symbiosis fee in USD, and ETA (~45 sec). The quote is locked in before signing — 2% slippage tolerance protects against sudden price moves.
Sign and confirm. Sign the Ethereum transaction in MetaMask. ETH arrives in MetaMask once the route completes — track the transfer on Symbiosis Explorer.

Optimism Bridge — live route in PRO mode: 3,000 USDC (Ethereum) to 1.129 ETH (Optimism) · Symbiosis

About bridging to Optimism

Why this route. OP Mainnet is the home chain of ether.fi Cash: the crypto card keeps each user's vault contract there. Aave and Uniswap also run markets on OP Mainnet, so ETH bridged in can go straight to lending or swaps.
What you receive. ETH on OP Mainnet, the rollup's native gas asset. The example pays with USDC held on Ethereum and needs just one confirmation in your wallet.
Watch out for. Wallets list the network as OP Mainnet or Optimism, chain ID 10, next to many look-alike OP Stack chains; compare the chain ID before signing. Sending USDC out of Ethereum costs mainnet gas in ETH, so hold a little ETH there too.
Speed. Across all routes into Optimism, median delivery 20 seconds; 90th percentile 78 seconds, over the 90 days to 25 September 2026.

More chain bridges: Arbitrum Bridge, Base Bridge, Blast Bridge, Metis Bridge.

ROUTE ESTIMATES

Estimated fees

Approximate fees and swap time based on historical averages, updated 3x/week. Actual values may vary.

Amount

Receive

Fee + Gas

Time

500 USDC

0.1883 ETH

$3.75

~29s

1,000 USDC

0.3771 ETH

$2.35

~29s

2,500 USDC

0.9433 ETH

$3.08

~29s

5,000 USDC

1.886 ETH

$6.52

~29s

Ready to bridge? Live rates across
50+ networks. No signup, no KYC

Ready to bridge? Live rates across 50+ networks.
No signup, no KYC

Start a swap

Crypto coins background — Symbiosis blog

WHY SYMBIOSIS

Secure by design. Proven at scale

Audited in the open

No KYC, no custody, no intermediaries. Audited by Decurity, Zokyo, SlowMist, and Omniscia — 13 public audit reports across 11 protocol modules (Core, MetaRouter v3, Pool, TON Bridge v1+v2, Relayers Network, Staking, Frontend). All reports open-source on GitHub. 4+ years live on mainnet (since March 2022) with zero major security incidents. Active bug bounty program.

Two-layer staking security

Cross-chain transactions routed via Octopools AMM (scans liquidity across DEXs and chains for minimal slippage), then signed by an MPC group via Threshold Signature Scheme (TSS) — no single party can move user funds. Two security layers: Symbiosis PoS Staking (SIS-collateralised relayer nodes) + Symbiotic restaking (additional slash-able collateral). 2/3 stake quorum for epoch changes.

$8B+ across 54 chains

$8B+ total volume bridged across 5M+ transactions from 800K+ unique wallets. Supports 54 networks — more than any other cross-chain bridge (Across 35+, deBridge 30+, Allbridge 20). EVM + non-EVM in one route — Ethereum, Solana, BNB Chain, TON, Tron, Bitcoin, Arbitrum, Polygon, and 46 more. Per-transaction range: $10 to $140,000 — handles retail swaps and whale trades on the same route.

Still have questions?

What is the safest crypto bridge?

The safest bridge is a non-custodial one that never takes control of your funds, and Symbiosis routes are audited, no-KYC, and self-custodial throughout. You keep ownership of your assets the entire time, and transfers from Ethereum to Optimism have a median delivery of 29 seconds as of September 2026. You can verify the on-chain track record yourself.

How to bridge to Optimism?

Connect your wallet, pick your source chain and token, then choose Optimism as the destination and the token you want to receive. Confirm the quote and approve the transaction — most transfers land fast, with a median delivery of 20 seconds and 78 seconds at the 90th percentile as of September 2026. You stay in custody of your funds the whole way.

How do I bridge from Arbitrum to Optimism?

Open the widget, select Arbitrum One as your source chain and the token you're sending, then set Optimism as the destination. Review the live quote, approve, and confirm in your wallet. Delivery is typically quick, with a median of 25 seconds as of September 2026, and the route is non-custodial end to end.

How do I track an Optimism bridge transaction?

After you confirm, the widget shows live status and a transaction hash you can follow. Paste that hash into Optimistic Etherscan to watch the settlement on-chain, and the source-chain explorer for the outbound leg. Most transfers complete well within a minute — median delivery is 20 seconds and the 90th percentile is 78 seconds as of September 2026.

How do I swap tokens on Optimism?

Use the widget to select your input token and the token you'd like to hold on Optimism, then confirm the quote and sign in your wallet. For instance, on 28 September 2026, bridging 1,000 USDC from Ethereum to Optimism delivered 0.3771 ETH with a $2.35 fee (full cost in the Symbiosis app plus gas; the exchange rate is already reflected in the amount you receive), and median delivery on this route is 29 seconds as of September 2026.

How do I bridge from Optimism to Ethereum?

Choose Optimism as your source chain and the token you're sending, then set Ethereum as the destination and confirm. Approve the transaction in your wallet and the route handles the rest — transfers are non-custodial and no-KYC, with no lockup on your side. Recent median delivery from Optimism to Ethereum sits at 24 seconds as of September 2026.

How do I bridge from Optimism to Base?

Open the widget, pick Optimism as your source and the token you want to move, then select Base as the destination chain. Review the live quote, approve, and confirm — you keep custody of your assets throughout the transfer. Delivery is typically fast, with a 16-second median and 62 seconds at the 90th percentile over the last 90 days, as of September 2026.

How do I bridge from Manta to Optimism?

Open the widget above and set Source to Manta, Destination to Optimism. Pick your token on each side — the widget pulls a live quote from the Symbiosis routing engine and shows the receive amount and fee before you sign. No native gas required on the destination.

Popular bridges

A few popular bridge routes

Two chains. One click

Bridge tokens to and from Optimism. Non-custodial, audited, no sign-up. Live quote above.

Open Optimism bridge

Optimism Bridge — Symbiosis banner background

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