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.

Kuszmaul had a different reaction. “You didn’t just come up with a cool hash table,” he remembers telling Krapivin. “You’ve actually completely wiped out a 40-year-old conjecture!” Without setting out ...

Rainbow tables are password cracking tools with origins dating back to research from the early 1980s. Here's how they work and why they haven't stood the test of time.