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BNB Chain to Cronos Bridge

Bridge any token from BNB Chain to Cronos via Symbiosis routing layer. Median delivery 23 seconds, non-custodial, no sign-up.

Open BNB Chain to Cronos 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 BNB Chain to Cronos

A real case from May 2026: a user bridged 4,977 USDC (~$4,977) from BNB Chain and received 4,978 USDC on Cronos 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 Chain as source, Cronos as destination — the USDC sat in a BNB Chain wallet and the goal was access to Cronos DeFi (VVS, MM Finance, Tectonic).
Connected wallets. MetaMask on the BNB Chain side, MetaMask on the Cronos side. Symbiosis resolved the destination address automatically from the connected wallet — no manual paste required.
Entered the amount. 4,977 USDC (~$4,977). The BNB Chain wallet had enough balance to cover network gas.
Reviewed the quote. Symbiosis displayed the exact USDC amount on Cronos, 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 Chain transaction in MetaMask. USDC arrived in MetaMask within ~26 sec. The transaction is fixed on-chain — verifiable on Symbiosis Explorer, BscScan, and Cronoscan.

BNB Chain to Cronos bridge — live route: 4,977 USDC (BNB Chain) → USDC (Cronos) · Symbiosis

About the BNB Chain to Cronos route

Why this route. Cronos EVM is the chain tied to Crypto.com, where CRO is swapped and farmed on VVS Finance and used in the Crypto.com Onchain wallet.
What you receive. CRO on Cronos EVM, the coin that pays fees on that chain, so it is usable as soon as it reaches your connected 0x address. You send BNB and sign one transaction.
Watch out for. CRO exists both on Cronos EVM, with 0x addresses and chain ID 25, and on Cronos POS, whose addresses start with cro1. This route pays out on the EVM chain, so when depositing the CRO to an exchange later, choose the Cronos EVM network, not Cronos POS.

More BNB Chain routes: BNB Chain Bridge, BNB Chain to Solana Bridge, BNB Chain to Ethereum Bridge, BNB Chain to Tron Bridge.

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

100 USDC

99.52 USDC

0.48 USDC

~53s

500 USDC

499.58 USDC

0.42 USDC

~61s

1 000 USDC

999.66 USDC

0.01 000USDC

~70s

5 000 USDC

0 000USDC

~81s

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.

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.

Still have questions?

How do I bridge BNB Chain to Cronos?

Connect your wallet on the BNB Chain side, select BNB as the token you send and CRO as the token you receive, and set Cronos as the destination. The Symbiosis routing engine generates a live quote and executes the cross-chain swap once you confirm. Median delivery is 14 seconds as of September 2026, with most transfers completing well under a minute.

How do I bridge BNB to Cronos?

Start on the BNB Chain network and choose the amount of BNB you want to move to Cronos. After confirming the quote, the bridge handles routing and settlement automatically. Recent transfers on this route have landed in around 14 seconds at the median, and 30 seconds at the 90th percentile as of September 2026.

How do I bridge CRO from BEP20 to Cronos?

This route handles BNB moving from BNB Chain to CRO on Cronos through the Symbiosis routing layer. Select your BNB Chain wallet, pick the amount, and set Cronos as the destination chain to receive funds. The process is non-custodial, so you keep control of your assets throughout the transfer.

How much does it cost to bridge USDC from BNB Chain to Cronos?

The widget shows the exact fee and receive amount before you sign. Transfers on this route settle in about 14 seconds at the median as of September 2026.

What is the safest way to bridge from BNB Chain to Cronos?

Symbiosis is a non-custodial, audited bridge with no KYC requirement, so you never hand over custody of your tokens.

How long does a BNB Chain to Cronos bridge transfer take?

Most transfers settle in about 14 seconds at the median, while the 90th percentile lands at 30 seconds as of September 2026. Actual timing can vary slightly with network conditions.

What is a BNB to Cronos bridge?

A BNB to Cronos bridge is a cross-chain protocol that moves value from BNB Smart Chain to Cronos without requiring a centralized exchange intermediary. The bridge accepts BNB on the source chain and releases equivalent CRO on Cronos mainnet. Symbiosis executes this as a single transaction through its Octopools AMM architecture, automatically routing through optimal liquidity paths. You maintain wallet custody throughout — no third party holds your assets during the cross-chain transfer process.

What is the difference between Cronos Mainnet and Cronos zkEVM?

Cronos Mainnet (Chain ID 25) is the primary EVM-compatible chain where CRO serves as the native gas token — this is where your bridged assets land. Cronos zkEVM (Chain ID 388) is a separate ZK-rollup layer with its own native token zkCRO. The two networks are completely distinct and not directly interoperable. When bridging BNB to CRO via Symbiosis, you receive CRO on Cronos Mainnet specifically. If you're exploring other Layer 2 destinations, moving BNB to Base offers another EVM-compatible option. Verify your wallet connects to the correct network before initiating any bridge transaction.

Popular bridges

A few popular bridge routes

Two chains. One click

Bridge tokens from BNB Chain into Cronos. Non-custodial single-click transfer for Cronos DeFi (VVS, MM Finance, Tectonic). Live quote above.

Open BNB Chain to Cronos bridge

BNB Chain to Cronos Bridge — Symbiosis banner background

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