v3.26.1
Fair value measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Assets      
Digital assets $ 106,539 $ 86,515  
Liabilities      
Cash and cash equivalents 1,730,126 1,526,046 $ 1,118,119
US Treasury Securities      
Liabilities      
Cash and cash equivalents 150,800 0  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccountsReceivableNetCurrent | Host Contract      
Liabilities      
Hybrid Instruments at fair value 6,700 4,000  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:LongTermInvestments | Host Contract      
Liabilities      
Hybrid Instruments at fair value 3,393 1,153  
Level 1      
Assets      
Cash equivalents 63,402,001 67,483,506  
Digital assets 106,539 86,515  
Digital financial assets 1,363 542  
Total assets 63,509,903 67,570,563  
Liabilities      
Total liabilities 0 0  
Level 2      
Assets      
Total assets 18,098 21,314  
Liabilities      
Total liabilities 0 0  
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccountsReceivableNetCurrent      
Assets      
Investments - derivatives and embedded derivatives 17,476 19,942  
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:LongTermInvestments      
Assets      
Investments - derivatives and embedded derivatives 622 1,372  
Level 3      
Assets      
Total assets 0    
Liabilities      
Convertible debt, net of debt discount 0 36,821  
Total liabilities 0 36,821  
Fair Value Measured at Net Asset Value Per Share      
Liabilities      
Cash and cash equivalents segregated for the benefit of stablecoin holders $ 61,900,000 $ 66,300,000