Products

Dev Portal

MCP Server

Bridge and Routes

Resources

Swap

Products

Dev Portal

MCP Server

Bridge and Routes

Resources

Swap

Bridge ETH to BTC

Symbiosis delivers a fast and straightforward way to bridge Ethereum (ETH) to Bitcoin (BTC), combining fair pricing, a clean user flow, and support for multiple assets and networks

Bridge ETH to BTC

Numbers

Proven performance

+ chains

Supported Networks

+ chains

Supported Networks

years

On the Market

years

On the Market

sec

Average Bridge Time

sec

Average Bridge Time

exploits

Since Launch

exploits

Since Launch

What is Symbiosis ETH to BTC bridge?

The Symbiosis ETH to BTC bridge relies on a dedicated architecture created to safely move value between the Ethereum network and the Bitcoin blockchain. Since Bitcoin doesn’t support smart contracts like EVM chains, Symbiosis uses external components to coordinate every part of the process.

A trusted element called the Forwarder generates a unique BTC address for each request, receives the user’s Bitcoin, and passes it into the cross-chain flow. At the same time, the relayers network verifies data and transfers instructions across chains through its MPC-secured communication layer.

When BTC needs to move into an EVM ecosystem, it is wrapped into syBTC, and when it returns back to Bitcoin, syBTC is burned and native BTC is released. This keeps the process fully backed 1:1 and allows the bridge to function reliably between two fundamentally different blockchains.

Why people choose Symbiosis for ETH-BTC bridging

Self-Managed Funds
AlwaysSymbiosis doesn’t hold your assets at any point in the process. Every ETH↔BTC transfer is executed directly from your wallet, so you stay in full control from start to finish.
Decentralized MPC Validation Layer
Cross-chain operations are routed through an MPC-powered relayer network that verifies and delivers each step independently. This removes single points of failure and keeps routing consistent.
Built-In Support for Bitcoin’s Structure
Bitcoin’s non-EVM specifics are handled under the hood by the forwarder and portal system. For the user, the entire bridge feels no different from moving any standard token.

Estimated fees

Transfer your ETH to BNB Chain in seconds with the best rates available.

Bridge ETH to BTC

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

Amount

Est. fee

Est. time

< 0.1 ETH

~$0.50

5 sec

< 0.1 ETH

~$0.50

5-15 sec

< 0.1 ETH

~$0.50

5-15 sec

< 0.1 ETH

~$0.50

5-15 sec

Benefits

Why Symbiosis

Best route aggregation

Symbiosis scans multiple DEXs and liquidity pools across chains to find the optimal path for your bridge, delivering the highest output amount with minimal fees.

Best route aggregation

Symbiosis scans multiple DEXs and liquidity pools across chains to find the optimal path for your bridge, delivering the highest output amount with minimal fees.

Best route aggregation

Symbiosis scans multiple DEXs and liquidity pools across chains to find the optimal path for your bridge, delivering the highest output amount with minimal fees.

Non-custodial & secure

Your assets never leave your wallet until the swap executes. No deposits, no KYC, no intermediaries. Audited by CertiK with zero exploits to date.

Non-custodial & secure

Your assets never leave your wallet until the swap executes. No deposits, no KYC, no intermediaries. Audited by CertiK with zero exploits to date.

Non-custodial & secure

Your assets never leave your wallet until the swap executes. No deposits, no KYC, no intermediaries. Audited by CertiK with zero exploits to date.

55+ supported networks

From Ethereum and BNB Chain to Solana, Arbitrum, Polygon, TON, and beyond — bridge assets across the broadest range of EVM and non-EVM chains.

55+ supported networks

From Ethereum and BNB Chain to Solana, Arbitrum, Polygon, TON, and beyond — bridge assets across the broadest range of EVM and non-EVM chains.

55+ supported networks

From Ethereum and BNB Chain to Solana, Arbitrum, Polygon, TON, and beyond — bridge assets across the broadest range of EVM and non-EVM chains.

Ready to bridge

Transfer your ETH to BNB Chain in seconds with the best rates available.

Bridge ETH to BNB

FAQs

Got questions?

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

Contact us

Is the ETH to BTC bridge custodial?

No. The bridge works on a non-custodial model, meaning your funds never leave your control at any point in the process.

Can I send BTC to an exchange deposit address?

You shouldn’t. Only self-custodial Bitcoin wallets are compatible, since exchange deposits can’t correctly handle the final output of the cross-chain transfer.