Exahash, Zettahash, Yottahash

36 · John Cook · Feb. 22, 2026, 7:08 p.m.
Summary
The blog post discusses the significant scale of cryptographic hash computations, particularly in the context of Bitcoin mining, which now reaches exahashes and beyond. It reflects on the evolution of hash functions from a mild curiosity to a fundamental component of modern computational power, emphasizing the mind-boggling numbers involved in hash calculations in today's world.