Validators are in charge of producing blocks (processing transactions) and validating blocks produced by other validators. Validators earn token rewards for participating in the network, these are described in the token-economics section. The mechanisms to be selected as a validator vary between the PoA and PoS phase are described in this section of governance. There are different requirements to become a validator in the PoA network and the PoS network. More information is available in the following sections: