
Bitcoin Mining: Difficulty Drops, Hashrate Shifts in 2026
March 2026 brought turbulence to Bitcoin mining with a major difficulty adjustment down .76% and hashrate dipping below ZH/s before rebounding. Pool centralization concerns grow as top operators dominate. New US legislation could reshape the landscap
Frequently Asked Questions
What caused Bitcoin's March 2026 difficulty drop?
A .76% decline to .79T stemmed from hashrate falling below ZH/s due to energy costs and shutdowns, the second-largest adjustment of the year.
How dominant are Bitcoin mining pools?
Over 96% of hashrate uses pools like Foundry USA (30%) and AntPool (18%), providing stable rewards but raising centralization concerns.
What is the Mined in America Act?
Introduced March , 2026, by Senators Cassidy and Lummis, it promotes US Bitcoin mining, onshores hardware production, and supports a strategic BTC reserve.
Topic: March 2026 Bitcoin mining difficulty drop of .76%, hashrate recovery to ZH/s, pool centralization concerns, and introduction of US Mined in America Act