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.

Consensus algorithms are processes where validators (also known as nodes or miners) within a blockchain network agree on the current state of the network. This mainly entails agreeing on whether a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Investopedia / Lara Antal Consensus ...