With billions of computers talking to each other daily, how do they decide anything? Even in a database or server deployment, how do the different computers that make up the database decide what ...

The logic embodied in all the nodes of a blockchain that ensures the chain's integrity. Because there is no central authority in a blockchain, the consensus mechanism ensures that at least 50% of the ...

It used to be that bitcoin mining was a community affair, but the process of confirming bitcoin transactions now requires an immense amount of hashing power specific to the SHA-256 mining algorithm.