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What Is a Cross-Chain Bridge?

How bridges move tokens between chains � and how Relay helps you do it fast and safely.

Read about bridges

How Bridges Move Value Between Chains

Cross-chain bridges explained for moving digital assets safely

A cross-chain bridge lets you move value from one network to another. Without a bridge, assets sit stuck on a single chain. Eth on Ethereum cannot pay gas on Base. Solana balances cannot fund an Arbitrum app.

When you bridge crypto, value leaves one chain and arrives on another. Some systems lock and mint. Others use faster intent-based paths. Relay is built so you can move assets across 85+ chains in seconds — not minutes.

Think of a bridge as the road between cities. Apps live on different chains. Users hold funds everywhere. A good bridge is how those worlds meet.

Why Bridges Matter

Weak bridges cause stuck funds, high fees, and security scares. Strong rails make multichain life feel like one network.

Relay focuses on speed, cost, and reliability — the bar wallets and payment apps expect — so bridging works for everyday use.

If you are new to bridging, start with a trusted stack, double-check the destination chain and token, and keep amounts small until you are sure.

Sources & References

Last updated · Reviewed by the Relay Editorial Team

How to Bridge Crypto Safely

Using a multichain bridge on Relay

Choose Proven Infrastructure

Not every bridge is equal. Prefer stacks with scale, uptime, and clear settlement. Relay has settled $20B+ across 85+ chains � built for wallets and payments.

Verify destination when you bridge digital assets

Verify Destination

Always confirm chain, token, and address before you send. A bridge cannot undo a wrong destination.

Fast blockchain interoperability with Relay

Prefer Fast Settlement

Long waits add risk. Relay aims for fast settlement so bridging feels quick and predictable.

Relay cross chain bridge for apps and wallets

Bridge Inside Trusted Apps

For most people, the safest path is a wallet or app that already uses Relay � one UI, many chains, fewer unknown bridge sites.

Bridge Checklist

Confirm Chains

Source and destination must match where you want the funds.

Check Fees

Understand cost before you bridge crypto � Relay optimizes for cheap, fast routes.

Use Trusted Stacks

Prefer a battle-tested multichain bridge with real volume and uptime.

Next: Cross-Chain Swaps � Web3 Payments � Account Abstraction

Bridge on Relay

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