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Ethereum Bridge

Non-custodial bridge for ETH from Ethereum to L2s, alt-L1s, and non-EVM chains (Solana, Bitcoin, Tron, TON). No KYC, no signup.

Non-custodial bridge for ETH from Ethereum to L2s, alt-L1s, and non-EVM chains (Solana, Bitcoin, Tron, TON). No KYC, no signup.

Bridge Ethereum

Bridge Ethereum

Bridge Ethereum

Bridge Ethereum

Bridge Ethereum

Bridge Ethereum

Proven at scale

Five years of secure cross-chain infrastructure

2021

Live Since

Live Since

2021

50+

Chains

Chains

50+

58 sec

Avg bridge time

Avg bridge time

58 sec

$10B

Total volume

Total volume

$10B

CROSS-CHAIN GUIDE

How to bridge ETH for USDC on Ethereum

Bridge from any supported network to Ethereum, or swap between Ethereum assets directly through Symbiosis. The example below shows a 5 ETH to USDC route at current Octopools rates — for cross-chain destinations into Ethereum (BNB → ETH, Solana → ETH, Tron → ETH), the same flow applies with source-chain wallets.

  1. Set the source. Pick the source network — Ethereum for on-chain swaps, or any of 45+ supported networks when bridging into Ethereum — and choose the asset you're sending (ETH, USDC, USDT, or another supported token).

  2. Set the destination. Choose Ethereum as the destination network and pick what you want to receive: ETH, USDC, USDT, WBTC, or any major ERC-20. The destination wallet auto-resolves from your connected MetaMask, Trust Wallet, or Rabby — no manual paste when source and destination share an EVM address.

  3. Enter the amount. Type the source amount — in this example, 5 ETH (≈ $10,695.80). Symbiosis instantly resolves the best route through Octopools AMM.

  4. Review the quote. Verify destination output (10,651.26 USDC for 5 ETH in this case), price (0.000469428 ETH per USDC), price impact (−0.17%), slippage tolerance (2% default), minimum received (10,438.2 USDC), and protocol fee ($0.32). All numbers shown upfront — no hidden deductions, no withdrawal queue.

  5. Confirm and sign. Sign the source-chain transaction. For on-Ethereum swaps, USDC lands in the same wallet within one block (~12 seconds). For bridges into Ethereum from other chains, the destination ERC-20 arrives after route execution and Ethereum block confirmation.

About bridging into Ethereum

12,000+ inbound transfers from 5,700+ unique wallets — Ethereum is one of the highest-volume corridors on Symbiosis

  • Median end-to-end time 51 seconds, 90th percentile under 2 minutes — faster than the multi-day exit windows on most native L2 bridges

  • Capital flows in from 50 source networks, led by BNB Chain (2,070 tx), Tron (2,050 tx, ~$70M USDC), TON (1,230), Base (1880), Bitcoin (2870 — delivered as native BTC, not wrapped)

  • Inbound asset mix: USDT, USDC, WETH, native BTC, ETH

Real on-chain data, Symbiosis routing layer, January–May 2026.

ROUTE ESTIMATES

Estimated fees

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

Amount

Amount

Amount

Receive

Receive

Receive

Fee + Gas

Fee + Gas

Fee + Gas

Time

Time

Time

1 ETH

0.1 ETH

2,120 USDC

2.39 SOL

~$15

~$0.68

~$71 sec

~3 min 14 sec

5 ETH

0.5 ETH

10,600 USDC

11.97 SOL

~$60

~$3.05

~$80 sec

~3 min 29 sec

10 ETH

1 ETH

21,201 USDC

23.93 SOL

~$115

~$7.06

~$90 sec

~3 min 44 sec

20 ETH

5 ETH

42,402 USDC

120 SOL

~$226

~$30.88

~$105 sec

~3 min 59 sec

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

Start a swap

Start a swap

Start a swap

Start a swap

Start a swap

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.

Got questions?

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

Contact us

Contact us

Contact us

Contact us

Contact us

Contact us

01

Can I bridge in both directions — out of Ethereum and back?

Yes. Symbiosis runs symmetric routes: bridge ETH out to Solana, Tron, Bitcoin, BNB Chain, Polygon, Base, Arbitrum, or Avalanche — then bridge back into Ethereum from any of those, plus 40+ other source networks. In 2026 year-to-date alone, ~14,000 transfers left Ethereum and ~12,000 arrived. Same Octopools engine, same non-custodial flow, median end-to-end 51–71 seconds depending on direction.

02

Why use Symbiosis instead of native bridges?

Native bridges (Arbitrum, Base, Polygon Portal) often enforce withdrawal delays from a few hours to 7 days due to fraud-proof or checkpoint mechanics. Symbiosis routes through Octopools AMM in both directions, settling under a minute regardless of native bridge constraints. Trade-off: small protocol fee versus extended capital lock from native bridges.

03

Is Symbiosis a custodial bridge?

No. Symbiosis is non-custodial: at no point does the protocol or any team hold your funds. Audited smart contracts handle the cross-chain execution, and your wallet retains signing authority throughout. There's no signup, no KYC, no account creation. You bear on-chain transaction risk yourself, but you avoid custodian risks like exchange freezes or wrap-token solvency issues.

04

How fast is Symbiosis ETH bridging?

EVM-to-EVM routes typically settle in 30–90 seconds (Ethereum source confirmation 12–60 seconds plus L2 destination block time). Cross-VM routes vary: ETH to Solana ~30–90 seconds, ETH to Tron ~30–90 seconds, ETH to Bitcoin 10–30 minutes (due to Bitcoin's 10-minute block target requiring confirmations). Specific times are shown in the quote before you confirm.

05

How much does ETH bridging cost?

Total cost = Symbiosis protocol fee + Ethereum source gas + destination network fees (where applicable). Source gas in 2026 runs $1–$15 typical for a bridge transaction (spikes to $30+ during congestion). The protocol fee scales with route complexity and transfer size; quote shows the full breakdown upfront. Larger amounts get better effective rates due to Octopools depth.

06

Does Symbiosis support native asset delivery, not just wrapped?

Yes — for non-EVM destinations Symbiosis specifically delivers native assets: native SOL on Solana (not wSOL), native BTC on Bitcoin (not WBTC/tBTC), native TRX on Tron (not wrapped TRX). For EVM L2s, ETH stays as ETH (it's the native gas on Arbitrum, Base, Optimism). For chains with their own gas token (BSC, Polygon, Avalanche), you get that native token (BNB, POL, AVAX) by default but can choose wrapped ETH alternatives in the quote.

07

Has Symbiosis ever lost user funds in a bridge exploit?

No. Since the 2022 mainnet launch, Symbiosis has processed substantial cross-chain volume across EVM and non-EVM destinations without a single custodial loss — no exploits, no rugpulls, no insolvency events (verified against industry exploit trackers like rekt.news). Core smart contracts are audited by Zokyo (core, MetaRouter v3, Octopool, TON bridge v1/v2), Omniscia (core protocol), SlowMist (core protocol), and Decurity (depository, on-chain swap). Full reports: github.com/symbiosis-finance/audits. Active bug bounty program runs alongside.

08

How does Symbiosis compare to deBridge, Stargate, or Across?

All four are non-custodial cross-chain bridges with different approaches. deBridge focuses on intent-based fast settlement, popular for EVM-to-Solana. Stargate uses unified liquidity pools across chains, strong on stablecoin transfers. Across uses optimistic settlement with relayer competition. Symbiosis differentiates with native non-EVM asset delivery (native SOL/BTC/TRX, not wrapped) and Octopools aggregation across multiple route sources. Choice depends on specific route, asset, and fee/speed preference. For larger transfers (5+ ETH equivalent), Symbiosis typically delivers the best or among-best effective rate — Octopools aggregates liquidity from multiple sources at once, so deeper amounts get better pricing instead of worse slippage. Compare actual quotes per transaction.

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