Eight of the top 30 bitcoin miners are worth more than $1 billion, according to Farside's latest data, with Marathon Digital Holdings leading the way with $5.50 billion, followed by $3.60 billion Cleanspark and $2.90 billion Riot. Other miners include IREN and Core Scientific (all valued at $1.50 billion), Northern Data ($1.40 billion), Cipher Mining ($1.30 billion) and Terawulf ($1 billion). Bitfarms, Hut 8 and Bitdeer Technologies are also valued near the $1 billion mark. The 30 miners have a combined market cap of $23 billion.