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wBTC to BTC Bridge

Convert wBTC on Ethereum into native Bitcoin in a single non-custodial flow. Symbiosis routes your wBTC to real on-chain BTC delivered straight to your Bitcoin wallet — no wrapped tokens, no custodian, no manual unwrapping.

Open wBTC to BTC 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 from wBTC to BTC

A real case from September 2026: a user bridged 0.049301 wBTC (~$4,232) from Ethereum and received 0.049073 BTC as native Bitcoin via Symbiosis — no wrapped tokens on delivery, fully non-custodial. Symbiosis works as a liquidity meta-aggregator, comparing routes across 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 wBTC (ERC-20) sat in a MetaMask wallet and the goal was native BTC in self-custody.
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. 0.049301 wBTC (~$4,232). The Ethereum wallet's ETH balance covered network gas for the source-chain transaction.
Reviewed the quote. Symbiosis displayed the route, expected receipt in native BTC, fee, ETA, and price impact upfront. Under the hood the route settles cross-chain through syBTC — Symbiosis's wrapped BTC representation, functionally equivalent to wBTC for routing — but you enter wBTC and receive native BTC. The quote was locked in before signing.
Signed and confirmed. Checked the self-custodial wallet confirmation and signed the Ethereum transaction in MetaMask. Native BTC arrived in the Bitcoin wallet within the expected window (~15 min, given Bitcoin block confirmation). The transaction is fixed on-chain — verifiable on Symbiosis Explorer, Etherscan, and mempool.space.

wBTC to BTC Bridge — live route in PRO mode: 0.049301 wBTC (Ethereum) to 0.04902 BTC (Bitcoin) · Symbiosis

About the WBTC to BTC route

Why this route. WBTC is an ERC-20 token backed by bitcoin held by BitGo and BiT Global, and only identity-verified institutions approved by the WBTC DAO can burn it for the underlying coins. Holders who want real BTC in their own wallet swap it here instead.
What you receive. Native BTC at the address you paste and confirm as self-custodial, with no custodian in between. You sign one transaction on Ethereum that sends the WBTC.
Watch out for. The wallet holding WBTC also needs ETH for mainnet gas. Double-check that the pasted address is yours, not an exchange account: a confirmed Bitcoin payment cannot be reversed.
Speed. Median delivery 14 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

0.03 WBTC

0.02986 BTC

$12.10

~828s

0.12 WBTC

0.1195 BTC

$42.97

~828s

0.3 WBTC

0.2987 BTC

$103

~828s

0.59 WBTC

0.5865 BTC

$277

~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?

Can I convert wBTC to native BTC?

Yes. Symbiosis bridges wBTC (ERC-20 on Ethereum) into native Bitcoin delivered to your own BTC wallet — not a wrapped IOU. On 28 September 2026, bridging 0.03 wBTC delivered 0.02986 native BTC in a single non-custodial flow.

How long does a wBTC to BTC bridge take?

Median settlement is about 14 minutes, with 90% of transfers completing within about 39 minutes as of September 2026. Timing depends on Bitcoin block confirmations on the destination side.

How much does it cost to bridge wBTC to BTC?

On 28 September 2026, bridging 0.03 WBTC delivered 0.02986 BTC with a $12.10 fee, and 0.59 WBTC delivered 0.5865 BTC with a $277 fee. That fee is the full cost in the Symbiosis app plus gas. The widget shows the exact fee for your amount before you sign.

Is the wBTC to BTC bridge non-custodial?

Yes. Funds stay in your wallet at every step — you sign the Ethereum transaction in your own wallet (e.g. MetaMask) and native BTC settles directly to the Bitcoin address you paste in the widget and confirm as a self-custodial wallet. No custodian holds your assets.

What is syBTC and why does it appear in my transaction?

syBTC is Symbiosis's wrapped BTC representation used for cross-chain settlement, functionally equivalent to wBTC for routing. You enter wBTC and receive native BTC; syBTC simply moves liquidity between chains under the hood. You never hold or manage it manually.

Will I receive wrapped BTC or real Bitcoin?

You receive native Bitcoin in your BTC wallet — not a wrapped token. The destination delivery is real on-chain BTC, verifiable on mempool.space.

Do I need ETH to bridge wBTC to BTC?

Yes — a small amount of ETH in your Ethereum wallet covers network gas for signing the source-chain transaction. The wBTC itself is what gets bridged into BTC.

Popular bridges

A few popular bridge routes

Two chains. One click

Convert wBTC on Ethereum into native Bitcoin — non-custodial, flat fees, real BTC delivered to your wallet.

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