Every time someone makes a transaction, a file states the recipient’s and the sender’s public keys, i.e. wallet addresses along with the number of coins they transfer. However, even though it sounds like anyone can do this, the sender needs to confirm the transaction with their private key, only then will it be broadcasted in the network. And this is just basic cryptography!
The companies and individuals who participate and own governing computing power composes of nodes and miners due to the peer-to-peer to facilitate instant payments. What does this mean?
Despite being considered a currency that requires no authorization, ‘Miners’ process said transactions in bitcoin by enforcing the credibility of the network. However, the mining process involves releasing bitcoins into circulation. And along with discovering a new block, mining also adds and verifies transactions across the network, which results in rewards for the miners.