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Ethereum to Bitcoin Bridge

Bridge tokens from Ethereum to Bitcoin via Symbiosis — non-custodial cross-chain swap for native BTC custody and Bitcoin payments. No KYC, flat protocol fee.

Open Ethereum to 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 from Ethereum to Bitcoin

A real case from September 2026: a user bridged 0.9693 ETH (~$2,403) from Ethereum and received 0.031071 BTC on Bitcoin 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. Ethereum as source, Bitcoin as destination — the ETH sat in an Ethereum wallet and the goal was access to native BTC custody and Bitcoin payments.
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. 0.9693 ETH (~$2,403). The Ethereum wallet had enough balance to cover network gas.
Reviewed the quote. Symbiosis displayed the exact BTC amount on Bitcoin, 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 Ethereum transaction in MetaMask. BTC arrived at the Bitcoin address within ~629 sec. The transaction is fixed on-chain — verifiable on Symbiosis Explorer, Etherscan, and Blockstream Explorer.

Ethereum to Bitcoin Bridge — live route in PRO mode: 0.9693 ETH (Ethereum) to 0.03071 BTC (Bitcoin) · Symbiosis

About the Ethereum to Bitcoin route

Why this route. Leaving Ethereum mainnet for Bitcoin is how ETH holders rotate part of their position into BTC kept on their own keys, often in a hardware wallet such as Ledger, Trezor or Coldcard.
What you receive. Native BTC at the Bitcoin address you paste and confirm as self-custodial. You sell ETH in one signed transaction and pay mainnet gas in ETH.
Watch out for. A 0x address cannot hold native BTC, so set up a Bitcoin account first; MetaMask can add a Native SegWit one starting with bc1. Keep ETH for gas, and expect Bitcoin network fees in BTC when you spend later.
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

0.93 ETH

0.02941 BTC

$17.99

~828s

3.7 ETH

0.1157 BTC

$175

~828s

9.3 ETH

0.2909 BTC

$436

~828s

19 ETH

0.5953 BTC

$814

~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

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.

Can I bridge ETH to BTC?

Yes. Symbiosis lets you move value from Ethereum to Bitcoin in a single non-custodial flow, with no KYC required.

How do I convert Ethereum to Bitcoin?

Connect your wallet to the Symbiosis widget, select Ethereum as the source and Bitcoin as the destination, then enter the token and amount you want to send. Paste your BTC receiving address, confirm the quote, and approve the transaction. Most transfers settle around the median of about 14 minutes, with 90% completing within about 39 minutes as of September 2026.

What is the ETH to BTC bridge price?

Pricing is shown live in the widget before you confirm. On 28 September 2026, 0.93 ETH delivered 0.02941 BTC with a $17.99 fee, and 3.7 ETH delivered 0.1157 BTC with a $175 fee; the fee is the full cost in the Symbiosis app plus gas, and the exchange rate is already reflected in the BTC amount. Rates update with the market, so always check the on-screen quote at the time of your transfer.

What is the cheapest way to convert ETH to BTC?

Routing through Symbiosis quotes the full cost upfront: on 28 September 2026, 0.93 ETH delivered 0.02941 BTC with a $17.99 fee, and 19 ETH delivered 0.5953 BTC with an $814 fee, covering the full cost in the Symbiosis app plus gas. Because it is non-custodial and requires no KYC, you avoid exchange account overhead while still getting a transparent rate before you confirm.

Is there an ETH to BTC bridge calculator?

Yes. The Symbiosis widget acts as a live calculator: enter your Ethereum-side amount and it returns the exact BTC you will receive. For reference, the Symbiosis quote on 28 September 2026 turned 0.93 ETH into 0.02941 BTC and 9.3 ETH into 0.2909 BTC, and median delivery on this route is about 14 minutes as of September 2026.

What happens if you send ETH to a BTC wallet?

Sending native ETH directly to a Bitcoin address will result in lost funds, since the two networks are not compatible. To move value safely, use the Symbiosis bridge, which routes from Ethereum and delivers actual BTC to a valid Bitcoin address you provide. Always double-check the destination address in the widget before confirming.

Should I convert Ethereum to Bitcoin?

That depends on your own strategy, and this is not financial advice. What Symbiosis provides is an audited, non-custodial path when you do decide to move from Ethereum to Bitcoin, with a median delivery of about 14 minutes as of September 2026.

Which tokens can I bridge from Ethereum to Bitcoin?

You can send ETH, WETH, or USDC on this route: select your input token in the widget and receive BTC on Bitcoin. The supported list and live quote appear before you confirm.

Popular bridges

A few popular bridge routes

Two chains. One click

Bridge tokens from Ethereum into Bitcoin. Non-custodial single-click transfer for native BTC custody and Bitcoin payments. Live quote above.

Open Ethereum to Bitcoin bridge

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