Bridge Protocol Comparison

Compare fees, speed, and security across all major cross-chain bridge protocols. Find the best bridge for your needs.

Bridge Protocols

The most popular cross-chain bridge protocols. Fee structures come from each provider’s official documentation; for live prices on your route, use the bridge comparison tool.

Stargate Finance

Omnichain liquidity transport protocol

Fees, per the official docs
  • • Stargate V2: dynamic fee set per route, sometimes a rebate when a pool needs rebalancing
  • • Stargate V1 pools: flat 0.06% (6 bps)
  • • LayerZero execution and verification fee, paid in the source chain's native gas token
Fee details and sources
Supported Chains
🔷Ethereum🟣Polygon🔵Arbitrum🔴Optimism🟡BSC⚪Avalanche
Pros
  • ✓Low slippage
  • ✓High liquidity
  • ✓Many chains
Cons
  • ×Dynamic fees, no published rate
  • ×Complex interface
Visit Stargate Finance

Hop Protocol

Rollup-to-rollup general token bridge

Fees, per the official docs

Hop's quote API stopped responding in July 2026, so BridgeFees.com no longer compares Hop quotes. Compare other bridges for your route instead.

  • • Bonder fee: 0.05%–0.30%, depending on asset and route
  • • Minimum fee: $0.25 per transfer
Fee details and sources
Supported Chains
🔷Ethereum🟣Polygon🔵Arbitrum🔴Optimism🟢Gnosis
Pros
  • ✓Decentralized
  • ✓Good for L2s
  • ✓Reliable
Cons
  • ×Slower
  • ×Limited chains

No link: we could not verify a working official website.

Across Protocol

Intent-based cross-chain bridge with relayers

Fees, per the official docs
  • • LP fee: compensates liquidity providers for capital use and rebalancing risk
  • • Relayer fee: covers the relayer's destination gas, capital cost and risk
  • • Optional app fee, if the app you bridge through adds one
Fee details and sources
Supported Chains
🔷Ethereum🟣Polygon🔵Arbitrum🔴Optimism
Pros
  • ✓Relayers fill transfers from their own capital
  • ✓Documented fee components
  • ✓Secure
Cons
  • ×Fewer chains
  • ×New protocol
Visit Across Protocol

Synapse Protocol

Cross-chain infrastructure protocol

Fees, per the official docs

We have not found a fee rate in the official docs; compare live quotes for your route.

Fee details and sources
Supported Chains
🔷Ethereum🟣Polygon🔵Arbitrum🟡BSC⚪Avalanche👻Fantom
Pros
  • ✓Many chains
  • ✓Good liquidity
  • ✓Established
Cons
  • ×Variable fees
  • ×Complex routing
Visit Synapse Protocol

Celer cBridge

Multi-blockchain network

Fees, per the official docs
  • • Base fee: paid in the token you send; covers destination-chain gas
  • • Protocol fee: 0%–2%, higher if your transfer unbalances a liquidity pool
  • • Typical speed: 5–20 minutes for most transfers
Fee details and sources
Supported Chains
🔷Ethereum🟣Polygon🟡BSC🔵Arbitrum⚪Avalanche
Pros
  • ✓Good coverage
  • ✓Reliable
  • ✓Published fee formula
Cons
  • ×Variable fees
  • ×Complex UI
Visit Celer cBridge

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