TokenBridge provides data and token transfer capabilities across EVM chains

The TokenBridge allows users to transfer data (e.g. digital asset ownership information) between two chains in the Ethereum ecosystem. Cross-chain bridges provide fast and secure connections between blockchains, creating scalability and connection - interoperability - between Ethereum networks.

TokenBridge operates in several modes depending on the network requirements. A simple UI allows any user to bridge assets to and from active chains.

POA Bridge

Production asset-transfer bridges

The following bridges are fully-functional in production environments:

  • POA Bridge (POA network to Eth Mainnet):The POA Bridge was the first EVM cross-chain production bridge in existence.

  • xDai Bridge (Eth Mainnet to xDai Network): The xDai chain uses the ERC20-to-Native TokenBridge functionality to provide fast, inexpensive and stable transactions.

  • Eth Classic Bridge (Eth Classic to Eth Mainnet): The Eth Classic Bridge connects ETC to ETH, where ETC is available as WETC.

Additional bridges in development include the Arbitrary Message Bridge (AMB) and the Binance Bridge (ETH - BNC) which are actively running in test environments.

TokenBridge MonoRepository: https://github.com/poanetwork/tokenbridge

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