Genesis Block
Protocol
First block of a blockchain; root of the chain’s history.
The genesis block sets the starting state and parameters of a blockchain. Every later block builds on it, creating the chain. You can inspect genesis details in client configs and explorers to understand how the network began.
Frequently asked questions
What is set in the genesis block?
Initial accounts, balances, chain parameters, and sometimes embedded configuration for clients.Can the genesis block change?
No. It defines the chain. Different networks have different genesis files, but each chain’s genesis is fixed.Where can I view it?
Open the first block in a block explorer for your chain and read the embedded parameters.