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BNB Chain Bridge

Bridge any token to and from BNB — the Binance Smart Chain across 50+ networks — USDC.e, USDT, WETH and dozens more in one non-custodial transaction. Median delivery 44 seconds via Symbiosis routing layer.

Open BNB Chain 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 BNB Chain

A real case from September 2026: a user bridged 0.020786 BTC (~$1,774) from Bitcoin and received 2.2262 BNB on BNB 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. Bitcoin as source, BNB as destination — the BTC sat in a Bitcoin wallet and the goal was access to BNB Chain DeFi (PancakeSwap, Venus, Aave).
Connected wallets. MetaMask on the BNB side — Symbiosis resolved the destination address automatically from the connected wallet. The Bitcoin side needs no wallet connection: BTC is sent to a one-time deposit address from any Bitcoin wallet.
Entered the amount. 0.020786 BTC (~$1,774). The Bitcoin wallet had enough balance to cover the network fee.
Reviewed the quote. Symbiosis displayed the exact BNB amount on BNB, the flat Symbiosis fee in USD, and ETA. After confirming, Symbiosis issued a one-time Bitcoin deposit address with a 20-minute window to send the exact amount; 2% slippage tolerance protects against sudden price moves.
Sent and confirmed. Sent exactly 0.020786 BTC from a Bitcoin wallet to the deposit address. The status moved through Send funds, Swap, Sending funds and Received, and BNB arrived in MetaMask (~122 sec for the cross-chain leg, per Symbiosis Explorer). Bitcoin-origin swaps can take up to 50 minutes in total; the tracking link can be copied to follow the status later. The transaction is fixed on-chain — verifiable on Symbiosis Explorer, mempool.space, and BscScan.

BNB Chain Bridge — live route in PRO mode: 0.020786 BTC (Bitcoin) to 2.224 BNB (BNB Chain) · Symbiosis

About bridging to BNB Chain

Why this route. BNB Chain runs PancakeSwap for trading and Venus for lending. The widget example turns native bitcoin from your own wallet into BNB for use there.
What you receive. Native BNB on BNB Smart Chain at your connected EVM address, ready for gas; blocks there come every 0.45 seconds since the January 2026 Fermi upgrade. You make one Bitcoin transfer.
Watch out for. Send BTC to the one-time deposit address within 20 minutes; a queued exchange withdrawal can miss that window. The Bitcoin network fee is paid on top of the quote, and confirmation on Bitcoin makes this slower than EVM routes.
Speed. Across all routes into BNB Chain, median delivery 35 seconds; 90th percentile 96 seconds, 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 BTC

3.215 BNB

$35.31

~520s

0.12 BTC

12.86 BNB

$143

~520s

0.3 BTC

32.14 BNB

$359

~520s

0.59 BTC

63.2 BNB

$713

~520s

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.

Audited in the open

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.

Two-layer staking security

$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?

What is the BNB Chain bridge?

The BNB Chain bridge is a non-custodial routing tool that moves your assets from other networks onto BNB Smart Chain, where you can trade, provide liquidity, or interact with DeFi apps. Symbiosis routes inbound transfers from chains like Polygon, Base, Tron, Bitcoin, and Ethereum.

Is the BNB Chain bridge safe?

Symbiosis is non-custodial, meaning you keep control of your funds throughout the transfer — there is no account, no KYC, and no third party holding your assets. The routing contracts are audited. You connect your own wallet and sign the transaction yourself.

How do I bridge from BNB Chain to Base?

Connect your wallet to the Symbiosis widget, set BNB Smart Chain as the source and Base as the destination, then pick your token and amount. Confirm the quote and sign the transaction in your wallet. Most transfers settle in under a minute, with a median delivery of 21 seconds as of September 2026.

Can you bridge BNB to ETH?

Yes. Select BNB Smart Chain as your source chain and Ethereum as the destination in the widget, choose your token, and confirm. The route runs through the Symbiosis engine and delivers without needing a centralized exchange. Ethereum is one of the active source and destination chains on this routing layer.

What is the safest crypto bridge?

Safety comes down to custody and transparency: Symbiosis is non-custodial and audited, requires no KYC, and never takes possession of your funds. The on-chain track record is verifiable — a median delivery time of 35 seconds for transfers into BNB Chain over 90 days as of September 2026. You sign every transfer from your own wallet.

How long does it take to bridge ETH to BNB Chain?

Most transfers complete in under two minutes. The median delivery time on this route is 78 seconds, and even slower cases — the 90th percentile — finish within about 97 seconds as of September 2026.

How much does it cost to bridge to BNB Chain?

The fee grows with the amount on the Bitcoin to BNB Chain route. On 28 September 2026, bridging 0.03 BTC delivered 3.215 BNB with a $35.31 fee (full cost in the Symbiosis app), and 0.59 BTC delivered 63.2 BNB with a $713 fee. The exchange rate is already reflected in the amount you receive, and the Bitcoin network fee is paid separately. Quotes are shown live in the widget before you confirm.

Can you bridge from Arbitrum to BNB Chain?

Yes. Set your source chain in the Symbiosis widget, choose BNB Smart Chain as the destination, select your token and amount, then sign in your wallet. Transfers route automatically and typically settle around the 31-second median as of September 2026, with no exchange account required.

Popular bridges

A few popular bridge routes

Two chains. One click

Bridge tokens to and from BNB Chain. Non-custodial, audited, no sign-up. Live quote above.

Open BNB Chain bridge

BNB Chain Bridge — Symbiosis banner background

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