Figure 14.3: Corda State

The state is like a row in a table with a combination of data of many

different types, i.e., string, integer, double, float, date etc. As the data

in DLT is immutable, every time there is a need of update or even

delete, a new version of the state is added to the ledger that

automatically makes the previous version as the consumed historical

data, as illustrated in Figure 14.4 as follows: