I've started to read the yellow paper and in section 2 it's written: Blocks function as a journal, recording a series of transactions together with the previous block and an identifier for the final state (though do not store the final state itself that would be far too big).

What do they mean by identifier for the final state ? Where can we see it ? Is it appended to a variable ?

1 Answer 1


Each block contains a stateRoot which is the root of the state of Ethereum World at that block.

This field is 32 bytes. The world state was not meant to be easily browsable by a person. It is designed for use by Ethereum clients to verify new blocks and transactions.

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