Miners secure some blockchainBlockchain is a type of database storing an immutable set of data, verifiable to anyone with access to it —through... networks by ordering crypto transactions into blocks and verifying the blocks of other miners. For this work, miners get rewarded with transactionA cryptocurrency transaction is an entry on the blockchain ledger, noting sender, receiver and number of coins transacted. More fees and newly issued coins, if the global supply is still on process. Anyone with a computer, Internet, and electricity can be a miner.