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Rootstock Bridge

Bridge any token to and from Rootstock — the Bitcoin sidechain across 50+ networks — USDC, WBTC, BTC and dozens more in one non-custodial transaction. Median delivery 132 seconds via Symbiosis routing layer.

Open Rootstock 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 Rootstock

A real case from June 2026: a user bridged 0.154949 BTC (~$9,882) from Bitcoin and received 0.153071 RBTC on Rootstock 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, Rootstock as destination — the BTC sat in a Bitcoin wallet and the goal was access to Bitcoin DeFi (Sovryn, Money on Chain).
Connected wallets. Xverse on the Bitcoin side, MetaMask on the Rootstock side. Symbiosis resolved the destination address automatically from the connected wallet — no manual paste required.
Entered the amount. 0.154949 BTC (~$9,882). The Bitcoin wallet had enough balance to cover network fees.
Reviewed the quote. Symbiosis displayed the exact RBTC amount on Rootstock, the flat Symbiosis fee in BTC, and ETA. The quote was locked in before signing — 2% slippage tolerance protects against sudden price moves.
Signed and confirmed. Signed the Bitcoin transaction in Xverse. RBTC arrived within ~1349 sec. The transaction is fixed on-chain — verifiable on Symbiosis Explorer, Blockstream Explorer, and Rootstock explorer.

Bridge to Rootstock — live route: 0.154949 BTC (Bitcoin) → RBTC (Rootstock) · Symbiosis

About the Bitcoin to Rootstock route

The Rootstock corridor on Symbiosis routes USDC, WBTC, BTC and 100+ other tokens through the optimal mix of DEXes and bridge providers, with destination tokens delivered natively on Rootstock.

Hundreds of transactions have moved through this route in the last quarter, with top inbound sources from Ethereum, Arbitrum One, Merlin.

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

Popular routes to Rootstock: Bitcoin Bridge, BNB Chain Bridge, Merlin Bridge.

Real on-chain data from Symbiosis routing layer, period 2026-03-20 to 2026-06-18 (90 days). Aggregate stats refreshed quarterly. Transactions verified via source and destination chain explorers.

Fees

Sample bridge quotes

Live quotes from the Symbiosis routing engine for the Bitcoin to Rootstock corridor (BTC to USDC.e), across four amount tiers. Flat protocol fee — cost grows with route complexity, not amount.

Amount

Receive

Fee + Gas

Time

0.001 BTC

63.01 USDC.e

0.01 BTC

~46s

0.005 BTC

318.69 USDC.e

0.01 BTC

~53s

0.01 BTC

638.09 USDC.e

0.01 BTC

~61s

0.05 BTC

3 186 USDC.e

0.01 BTC

~70s

~61s

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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 Rootstock (RSK) in crypto?

Rootstock, also known as RSK, is a Bitcoin sidechain that brings smart contract functionality to the Bitcoin ecosystem. Its native asset is RBTC, which is pegged to BTC, and it lets you move value from chains like Ethereum and Arbitrum One into a Bitcoin-secured environment. With the Symbiosis bridge you can route assets such as USDC, WBTC, and BTC into Rootstock without giving up custody of your funds.

How does the Rootstock bridge work on Symbiosis?

Connect your wallet, choose your source chain and token (for example USDC on Ethereum), then select Rootstock as the destination and confirm the transaction. The Symbiosis routing engine handles the cross-chain swap automatically and delivers your assets, with a median delivery time of 132 seconds. Most transfers settle in roughly 115 seconds, though the 90th percentile can reach about 1043 seconds during busier periods.

How much does it cost to bridge to Rootstock?

Bridging USDC through Symbiosis carries a flat fee of 0.75 USD₮0 regardless of size. For example, 100 USDC delivers 98.88 USDC.e, 1,000 USDC delivers 997.71 USDC.e, and 5,000 USDC delivers 4,990 USDC.e. Larger transfers are more fee-efficient because the fixed fee represents a smaller share of the total.

What is the best wallet for RBTC on Rootstock?

Any wallet that supports the Rootstock chain and its EVM-compatible network can hold RBTC. When bridging through Symbiosis, simply connect a compatible wallet to approve the source-chain transaction and receive your assets on Rootstock. Symbiosis is non-custodial, so your keys and funds remain entirely under your control throughout the transfer.

How do I buy or get Rootstock assets?

Rather than buying directly, you can bridge existing assets into Rootstock using Symbiosis. The most common route is USDC from Ethereum, which accounts for 53.2% of inbound volume, but you can also bring assets from Arbitrum One, Merlin, Bitcoin, or BNB Chain. USDC makes up 81.5% of bridged volume, followed by WBTC and BTC.

Is the Symbiosis Rootstock bridge safe?

Symbiosis is non-custodial and audited, and it requires no KYC, so you never hand over personal data or control of your funds. The routing layer has processed $436K in volume across 322 transactions from 196 unique wallets over the last 90 days, with quarter-over-quarter growth of +130%. Transfers complete with a median time of 132 seconds.

Which chains can I bridge from to reach Rootstock?

Symbiosis routes inbound transfers to Rootstock from several networks, led by Ethereum at 53.2% and Arbitrum One at 24.4% of volume. Other supported sources include Merlin at 7.1%, Bitcoin at 6.1%, and BNB Chain at 4.0%. You select your origin chain directly in the bridge widget before confirming.