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All bridge routes

Merlin Bridge

Bridge any token to and from Merlin Chain — the Bitcoin L2 across 50+ networks — BTCB, WRBTC and dozens more in one non-custodial transaction. Median delivery 36 seconds via Symbiosis routing layer.

Open Merlin bridge

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

incidents

Since Launch

incidents

Since Launch

How to bridge to Merlin

A real case from April 2026: a user bridged 0.130300 BTCB (~$9,512) from BNB and received 0.130286 WBTC on Merlin Chain 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. BNB as source, Merlin Chain as destination — the BTCB sat in a BNB wallet and the goal was access to Bitcoin L2 DeFi and BRC-20.
Connected wallets. MetaMask on the BNB side, MetaMask on the Merlin Chain side. Symbiosis resolved the destination address automatically from the connected wallet — no manual paste required.
Entered the amount. 0.130300 BTCB (~$9,512). The BNB wallet had enough balance to cover network gas.
Reviewed the quote. Symbiosis displayed the exact WBTC amount on Merlin Chain, 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 BNB transaction in MetaMask. WBTC arrived in MetaMask within ~33 sec. The transaction is fixed on-chain — verifiable on Symbiosis Explorer, BscScan, and Merlin explorer.

Bridge to Merlin — live route: 0.130300 BTCB (BNB Chain) → WBTC (Merlin) · Symbiosis

About the BNB to Merlin route

The Merlin corridor on Symbiosis routes BTCB, WRBTC and 100+ other tokens through the optimal mix of DEXes and bridge providers, with destination tokens delivered natively on Merlin Chain.

Hundreds of transactions have moved through this route in the last quarter, with top inbound sources from BNB, Rootstock, Bitcoin.

The corridor is non-custodial — funds remain in the user's wallet at every step, and the same widget supports the reverse direction (Merlin to multiple destinations). No sign-up, no KYC.

Source: Symbiosis Explorer (on-chain routing layer log).

Real on-chain data, Symbiosis routing layer, March–June 2026. Refreshed quarterly.

Fees

Sample bridge quotes

Live quotes from the Symbiosis routing engine for the BNB to Merlin corridor (BTCB to WBTC), across four amount tiers. Flat protocol fee — cost grows with route complexity, not amount.

Amount

Receive

Fee + Gas

Time

0.001 BTCB

0.000966 WBTC

~$2.20

~342s

0.005 BTCB

0.004984 WBTC

~$1.05

~342s

0.01 BTCB

0.010005 WBTC

~$0.01

~342s

0.05 BTCB

0.050136 WBTC

~$0.01

~342s

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Check your own quote

Above are averages — enter your amount below for a live quote with exact fees, route preview, and one-click bridge.

Benefits

Why Symbiosis

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.

$8B+ across 54 chains

FAQs

Got questions?

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

What is the best crypto bridge?

The best bridge depends on what you value, but Symbiosis offers concrete advantages for moving Bitcoin assets to Merlin: it's non-custodial, audited, and requires no KYC. Over the last 90 days it routed $109K across 57 transactions for 24 unique wallets, with a median delivery time of 36 seconds. A real demo transfer of 0.1303 BTCB (~$9,512) settled in just 33 seconds, so you get measurable speed rather than marketing claims.

Is Merlin still around?

Yes, Merlin Chain is active and seeing growth. Over the trailing 90 days the Symbiosis routing layer alone processed $109K in volume across 57 transactions, representing +134% quarter-over-quarter growth. Inbound activity comes mostly from BNB (66.8%) and Rootstock (28.8%), so bridging into Merlin remains live and functional.

What does Merlin chain do?

Merlin Chain is a Bitcoin Layer 2 where users bring Bitcoin-based assets into an EVM-style environment to swap, hold, and use them. For example, you can move BTCB from BNB and receive WBTC on Merlin, or bring WRBTC over from Rootstock. Through Symbiosis, the most common inbound assets are BTCB (66.8%), WRBTC (28.8%), and BTC (4.2%).

How do I swap tokens on Merlin?

To swap and bridge into Merlin using the Symbiosis widget, connect your wallet, choose your source chain and token (for instance BTCB on BNB), and set WBTC on Merlin as the destination. The routing engine returns a live quote — for example 0.01 BTCB converts to 0.010005 WBTC with a fee near $0.01. Confirm the transaction in your wallet and the assets arrive on Merlin, typically within a median of 36 seconds.

How do I track a Merlin bridge transaction?

After you confirm a bridge transaction in your wallet, you'll receive a transaction hash you can follow through the Symbiosis routing interface and on the relevant chain explorers. Most transfers complete fast — the median delivery is 36 seconds, though the 90th percentile can stretch to about 248 seconds during heavier routing. Keep your source-chain transaction hash handy as the reference point for tracking.

How do I bridge from Merlin to Bitcoin?

To move assets from Merlin back toward Bitcoin, open the Symbiosis widget, connect your wallet, and select Merlin as the source chain with your token (such as WBTC). Choose Bitcoin or a Bitcoin-linked asset as the destination, review the live quote and fee, then confirm. Settlement is generally quick, with a 90-day median delivery of 36 seconds across the routing layer.