Fees and Supported Chains

deBridge charges a small fee when an order is created through DlnSource smart contracts. The fee is what users pay for confidence and decentralization. It consists of two parts:

  • A flat fee is paid in the native gas token of the chain where the order is created

  • A variable fee of 4bps is paid in the input token

Chain (Chain id)Chain IdInternal Chain IdFlat Fee

Arbitrum

42161

42161

0.001 ETH

Avalanche

43114

43114

0.05 AVAX

BNB Chain

56

56

0.005 BNB

Ethereum

1

1

0.001 ETH

Polygon

137

137

0.5 MATIC

Solana

7565164

7565164

0.015 SOL

Linea

59144

59144

0.001 ETH

Base

8453

8453

0.001 ETH

Optimism

10

10

0.001 ETH

Neon

245022934

100000001

0.75 NEON

Gnosis

100

100000002

1 xDAI

Lightlink (suspended)

1890

100000003

0.0005 ETH

Metis

1088

100000004

0.02 METIS

Bitrock

7171

100000005

20 BROCK

The fee is fully refunded in case the limit order is canceled.

Protocol fees can be changed. Hence, for any on-chain interactions with deBridge, fees must not be hardcoded but queried dynamically from the state of the DLN smart contract. Please refer to Estimating the order to learn how to query the actual flat fee from the smart contract.

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