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What is a Blockchain Bridge?

A connection that allows the transfer of tokens and/or arbitrary data from one blockchain network to another.

Key details

Interoperability
Enables communication between otherwise isolated blockchains.
Asset Transfer
Allows tokens to be used on non-native blockchains.
Liquidity
Can help in distributing liquidity across different networks.
Security Risks
Bridges can be targets for attacks due to large amounts of locked assets.

Examples

  1. 01Wrapped Bitcoin (WBTC) on Ethereum, allowing Bitcoin to be used in Ethereum's DeFi ecosystem.
  2. 02Polygon's PoS Bridge for moving assets between Ethereum and Polygon.
  3. 03Multichain (formerly AnySwap) for cross-chain transactions across multiple networks.