Bitcoin Bridge
Discover how to bridge to BTC and from BTC via Symbiosis WebApp. Explore available routes and exchange BTC within a couple of clicks in one transaction
Numbers
Proven performance
How does the Symbiosis BTC Bridge work?
All Native Bitcoin Bridge transactions are handled by Symbiosis within the protocol. It means that when you initiate a transaction like “BTC to USDT/USDC” or “ETH to BTC”, they are processed via the Symbiosis BTC Bridge.
Let’s take a look at the flow:
• If you bridge to Native BTC from any supported token, you only connect your wallet, insert the required Bitcoin Bridge information and initialize the transaction. As soon as the exchange is finished, you receive your BTC to the stated wallet address.
• Therefore, the bridging from Native BTC to the desired asset requires similar steps: you state the information for the exchange, confirm the terms, send your BTC to the designated address and receive the chosen tokens in return.
You can also read more about the launch of our BTC Bridge in the article “Symbiosis Goes Full Bitcoin — BTC Bridge Is Here.”
How to Bridge to and from BTC?
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.
Estimated fees
Approximate fees and swap time based on historical averages, updated 3x/week. Actual values may vary.
1 ETH
2,120 USDC
~$15
~71 sec
5 ETH
10,600 USDC
~$60
~80 sec
10 ETH
21,201 USDC
~$115
~90 sec
20 ETH
42,402 USDC
~$226
~105 sec
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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
FAQs
Got questions?
Still have questions? Contact us and we’ll help you out.
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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Two chains. One click
Bridge ETH across 50+ chains — non-custodial, low fees, no KYC.
