Bitcoin miner MARA Holdings spent $4.3 million on personal security for CEO Fred Thiel in 2025, including $430,780 to armor a ...

The Bitcoin network’s total computational hash rate has entered a notable downtrend since October 18th, reversing what has otherwise been a consistent multi-year climb. The hash ribbons indicator, ...

Last week, China’s cybersecurity agency officially accused state actors, including the United States, of being behind the 2020 hack of a bitcoin mining pool known as LuBian, according to a report in ...

Learn how Bitcoin mining works, including how transactions are validated, block rewards, energy use, and why miners play a key role in securing the network.

Forbes contributors publish independent expert analyses and insights. Korok Ray is a PhD economist/professor who researches/teaches Bitcoin. Early Facebook investor Peter Thiel once advised future ...

The math has turned against bitcoin miners, and the war is making it worse every week. Checkonchain's difficulty regression model, which estimates average production costs based on network difficulty ...

MARA Holdings (MARA) is still producing bitcoin BTC $62 806,40, but it is getting harder to argue that mining is its core business. In its first-quarter earnings statement, the company said it does ...

Arkham also flagged a 500 Bitcoin outflow from Riot on Thursday, while MARA Holdings, Genius Group and Nakamoto Holdings sold a combined 15,501 Bitcoin in the last week. Bitcoin miner Riot Platforms ...

Production costs near $80,000 are squeezing miners, forcing shutdowns, asset sales and a pivot to AI Several bitcoin miners are struggling to stay profitable. The U.S. government recently retired the ...