Ledger Entry Types
Each ledger version's state data is a set of ledger objects, sometimes called ledger entries, which collectively represent all settings, balances, and relationships at a given point in time. To store or retrieve an object in the state data, the protocol uses that object's unique Ledger Object ID.
In the peer protocol, ledger objects have a canonical binary format. In rippled
APIs, ledger objects are represented as JSON objects.
A ledger object's data fields depend on the type of object; the XRP Ledger supports the following types: