A UK controversy about school leavers’ marks shows algorithms can get things wrong. To ensure algorithms are as fair as possible, how they work and the trade-offs involved must be made clear.

That’s where encryption, hashing, and obfuscation come in. This article hopes to clear up some misconception in the industry as to how these technologies work and how they relate to each.

A hash rate is the measure of the computational power in a proof-of-work cryptocurrency miner, pool, or network. High hash rates equal better odds of winning.