I am not clear about the cryptocurrency network system. I dont understand about cryptocurrency block. what is it. I want to know the actual cryptocurrency blocks works.
Blocks are like a list of information and this information are transactions. For example a transaction between two BTC addresses. Such blocks need to be approved by miners. That is the reason we have miners. There is a whole section explained in the online school programs. you can see for yourself if you are eager to learn more:
https://platform.newscrypto.io/school/basics/Crypto-mining-and-icos