A blockchain bridge is a technology that allows interoperability between two or more separate blockchain networks, enabling assets or data to be transferred between them. In simpler terms, it’s a connection between two different blockchains that enables them to communicate and share information.

A blockchain bridge can be used to transfer assets between different blockchain networks, such as Bitcoin and Ethereum. For example, if someone wants to transfer Bitcoin to an Ethereum wallet, a blockchain bridge can facilitate the transfer by creating a token on the Ethereum network that represents the Bitcoin value, allowing the Bitcoin to be exchanged for the token, and then the token can be transferred to the Ethereum wallet.

Blockchain bridges can also be used to enhance the functionality of existing blockchain networks. For example, by connecting a blockchain network to a data source or an external service, a blockchain bridge can provide additional functionality, such as enabling smart contracts to access real-world data or providing cross-chain liquidity.

Overall, blockchain bridges play an important role in enabling the interoperability and scalability of blockchain networks, as they allow different networks to communicate and share information, expanding the potential use cases and value of blockchain technology.