Does Bitcoin support Core Bitcoin Bridge?

Yes Core Bitcoin Bridge is supported on Bitcoin.

What blockchains support Core Bitcoin Bridge token?

Core Bitcoin Bridge token is supported by following blockchains: Bitcoin

What is Core Bitcoin Bridge and how does it work?

Core Bitcoin Bridge is The Avalanche Bridge™ protocol can be used to transfer BTC or ERC-20s from the Bitcoin or Ethereum networks to the Avalanche® C-Chain and vice versa. Core Bitcoin Bridge's native token is Core Bitcoin Bridge. Core Bitcoin Bridge token is supported by following blockchains: Bitcoin.