# Bridge Protocol

- [Overview](/bridge-protocol/bridge-protocol/overview.md): Bridge Protocol is an open source technology designed to issue and manage digital assets on public blockchains.
- [Bridge token](/bridge-protocol/bridge-protocol/bridge-token.md): The token part of Bridge Protocol is the interface used by third parties to interact with the token through the different stages of its lifecycle.
- [Rule engine](/bridge-protocol/bridge-protocol/rule-engine.md): Bridge Protocol's rule engine is a library of rules that can be used by the token issuer to control how a token can be transferred or not.
- [Compliance registry](/bridge-protocol/bridge-protocol/compliance-registry.md): Bridge Protocol's compliance registry is responsible of the storage of all identity information linked to an address or the storage of the history of transfers linked to an address.