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Bitcoin Bridge

Bridge to and from native Bitcoin with Symbiosis — connect 50+ networks and receive real BTC in your wallet, non-custodial, with median settlement around 12 min.

Open Bitcoin 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 Bitcoin

A real case from September 2026: a user bridged 4,999 USDC from Ethereum and received 0.059548 BTC in a native Bitcoin wallet via Symbiosis — no wrapped tokens, fully non-custodial. This is one example — Symbiosis also routes from Tron, Polygon, BNB Chain and 50+ other networks into native BTC. 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. Here's the exact flow:

Picked the source. Ethereum as source, Bitcoin as destination — the USDC sat in an Ethereum wallet and the goal was to hold native BTC, not a wrapped derivative.
Connected wallets. MetaMask on the Ethereum side. Bitcoin wallets don’t connect to the app, so the Bitcoin recipient address (bc1q, bc1p, 1… or 3…) was pasted into the destination field and confirmed as a self-custodial address.
Entered the amount. 4,999 USDC (~$4,999). The Ethereum wallet's ETH balance covered network gas.
Reviewed the quote. Symbiosis displayed the route, expected receipt in native BTC, fee, ETA, and price impact upfront. The path passes through syBTC as the settlement asset on the way to native Bitcoin, so the user always lands in real BTC. The quote was locked in before signing.
Signed and confirmed. Checked the self-custodial confirmation, signed the Ethereum transaction in MetaMask. Native BTC arrived within the expected window (~219 sec). The transaction is fixed on-chain — verifiable on Symbiosis Explorer, Etherscan, and mempool.space.

Bitcoin Bridge — live route in PRO mode: 4,999 USDC (Ethereum) to 0.05916 BTC (Bitcoin) · Symbiosis

About bridging to Bitcoin

Why this route. Native BTC is what you need for things that exist only on Bitcoin: keeping coins on your own keys, paying over Lightning Network channels, or staking through Babylon without wrapping. The example here starts from USDC on Ethereum.
What you receive. Native BTC, sent to a Bitcoin address you paste and confirm as self-custodial, after a single signed transaction moves the USDC out of your Ethereum wallet.
Watch out for. Use an address from a wallet whose keys you hold, not an exchange deposit address; Bitcoin addresses begin with bc1, 3 or 1, never 0x. Blocks come roughly every 10 minutes, so delivery takes minutes, not seconds.
Speed. Across all routes into Bitcoin, median delivery 13 minutes; 90th percentile 39 minutes, over the 90 days to 25 September 2026.

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

2,500 USDC

0.02993 BTC

$18.81

~828s

10,000 USDC

0.1198 BTC

$69.86

~828s

25,000 USDC

0.2994 BTC

$172

~828s

50,000 USDC

0.5989 BTC

$339

~828s

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?

Does the Bitcoin bridge give me native BTC or a wrapped token?

You receive native BTC in your own Bitcoin wallet — not WBTC, not a derivative. On 28 September 2026, bridging 2,500 USDC from Ethereum delivered 0.02993 BTC.

How long does it take to bridge to Bitcoin?

Median settlement on the Symbiosis routing layer is about 13 minutes, with 90% of inbound transfers completing within about 39 minutes as of September 2026. On top of that you wait for native Bitcoin block confirmations, so plan for roughly an hour for full finality on the BTC side.

What does it cost to bridge to Bitcoin?

On 28 September 2026, bridging 2,500 USDC from Ethereum delivered 0.02993 BTC with an $18.81 fee, and 50,000 USDC delivered 0.5989 BTC with a $339 fee. The fee (full cost in the Symbiosis app plus gas) grows with the amount you send, and the exchange rate is already reflected in the amount you receive. The widget shows the exact fee for your amount before you sign.

Which networks can I bridge from to reach Bitcoin?

Inbound sources include Tron, Ethereum, Polygon and BNB Chain. You can bridge from stablecoins (USDT, USDC) or BTC-denominated assets.

Is the Symbiosis Bitcoin bridge non-custodial?

Yes. Funds stay in your wallet until the transaction is signed — Symbiosis never takes custody. You paste the destination Bitcoin address yourself and confirm it belongs to a self-custodial wallet, and the bridge is verifiable end-to-end on Symbiosis Explorer, Etherscan, and mempool.space.

Can I bridge from Bitcoin back to other chains?

Yes — the same widget supports both directions. You can bridge to native Bitcoin from many networks, and move BTC back out to Ethereum, Tron, Polygon, BNB Chain and other destinations through the same routing engine.

Why does my Bitcoin transfer route through syBTC?

syBTC is the Symbiosis settlement asset that lets liquidity converge before final delivery on Bitcoin. It's an intermediate step inside the route — you don't hold or manage it. The quote shows the full path upfront, and you always land in native BTC.

How can I see transfers going through the Symbiosis Bitcoin bridge?

Every transfer is public on-chain. Symbiosis Explorer shows each cross-chain transfer, and mempool.space shows the native BTC delivery on the Bitcoin side.

Popular bridges

A few popular bridge routes

Two chains. One click

Bridge to and from native Bitcoin — non-custodial, no wrapped tokens, real BTC in your wallet.

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