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All bridge routes

Sonic Bridge

Bridge any token to and from Sonic — the Fantom successor L1 across 50+ networks — WETH and dozens more in one non-custodial transaction. Median delivery 26 seconds via Symbiosis routing layer.

Open Sonic bridge

Numbers

Proven performance

+ chains

Supported Networks

+ chains

Supported Networks

years

On the Market

years

On the Market

sec

Average Bridge Time

sec

Average Bridge Time

incidents

Since Launch

incidents

Since Launch

How to bridge to Sonic

A real case from April 2026: a user bridged 2.1025 WETH (~$4,976) from Base and received 2.0957 WETH on Sonic via Symbiosis — 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 the exact flow:

Picked the source. Base as source, Sonic as destination — the WETH sat in a Base wallet and the goal was access to Sonic DeFi (Beethoven X, Equalizer).
Connected wallets. MetaMask on the Base side, MetaMask on the Sonic side. Symbiosis resolved the destination address automatically from the connected wallet — no manual paste required.
Entered the amount. 2.1025 WETH (~$4,976). The Base wallet had enough balance to cover network gas.
Reviewed the quote. Symbiosis displayed the exact WETH amount on Sonic, the flat Symbiosis fee in USD, and ETA. The quote was locked in before signing — 2% slippage tolerance protects against sudden price moves.
Signed and confirmed. Signed the Base transaction in MetaMask. WETH arrived in MetaMask within ~68 sec. The transaction is fixed on-chain — verifiable on Symbiosis Explorer, BaseScan, and SonicScan.

Bridge to Sonic — live route: 2.1025 WETH (Base) → WETH (Sonic) · Symbiosis

About the Base to Sonic route

The Sonic corridor on Symbiosis routes WETH and 100+ other tokens through the optimal mix of DEXes and bridge providers, with destination tokens delivered natively on Sonic.

Hundreds of transactions have moved through this route in the last quarter, with top inbound sources from Base, Arbitrum One, Ethereum.

The corridor is non-custodial — funds remain in the user's wallet at every step, and the same widget supports the reverse direction (Sonic to multiple destinations). No sign-up, no KYC.

Source: Symbiosis Explorer (on-chain routing layer log).

Real on-chain data, Symbiosis routing layer, March–June 2026. Refreshed quarterly.

Fees

Sample bridge quotes

Live quotes from the Symbiosis routing engine for the Base to Sonic corridor (WETH to WETH), across four amount tiers. Flat protocol fee — cost grows with route complexity, not amount.

Amount

Receive

Fee + Gas

Time

0.05 WETH

0.0495 WETH

~$0.97

~21s

0.25 WETH

0.2493 WETH

~$1.26

~21s

1 WETH

0.9986 WETH

~$2.56

~21s

5 WETH

4.8968 WETH

~$184.73

~21s

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Check your own quote

Above are averages — enter your amount below for a live quote with exact fees, route preview, and one-click bridge.

Benefits

Why Symbiosis

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.

Audited in the open

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.

Two-layer staking security

$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.

$8B+ across 54 chains

FAQs

Got questions?

Still have questions? Contact us and we’ll help you out.

What is the safest crypto bridge?

Safety comes down to whether a bridge is non-custodial, audited, and lets you transact without handing over identity — Symbiosis is all three, with no-KYC routing that never takes custody of your funds. On the Sonic routing layer specifically, the last 90 days saw 85 transactions across 63 unique wallets settle with a median delivery of 26 seconds, so the speed and reliability are observable on-chain rather than promised. A recent 2.1 WETH transfer (about $4,976) into Sonic confirmed in 68 seconds.

How do I bridge from Sonic to Ethereum?

Open the Symbiosis widget, set Sonic as your source chain and Ethereum as your destination, then pick the token you want to move and connect your wallet. Confirm the transaction and the routing engine handles the rest — historically Ethereum accounts for 17.7% of inbound flow on this route layer, and WETH is the dominant asset at 98.1% of volume. Most deliveries land around the 26-second median, with the 90th percentile at 73 seconds.

How do I swap tokens on Sonic?

To swap on Sonic, connect your wallet in the Symbiosis widget and choose your input and output tokens; the routing engine returns a live quote before you confirm. For reference, a 1 WETH swap currently quotes out at 0.9986 WETH with a fee near $2.56 and an estimated ~21 seconds to settle. Smaller amounts like 0.05 WETH quote at 0.0495 WETH for roughly $0.97 in fees.

How do I track a Sonic bridge transaction?

After you confirm a transfer, the widget shows live status as the Symbiosis routing engine processes and delivers your funds to Sonic. Typical settlement runs to a 26-second median, with slower cases reaching about 73 seconds at the 90th percentile — for context, a recent 2.1 WETH (~$4,976) transfer completed in 68 seconds. You can also verify the final delivery directly on Sonic using your wallet and the destination transaction hash.

How do I bridge from Sonic to Solana?

The Symbiosis routing layer for Sonic currently handles EVM source chains — inbound volume comes from Base (52.6%), Arbitrum One (18.8%), Ethereum (17.7%), Optimism (4.7%), and Polygon (4.2%). Solana is not among the supported routes shown here, so a direct Sonic-to-Solana bridge isn't available on this page. For Sonic transfers, WETH is the primary asset, making up 98.1% of recent volume.