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Safeguarding Obligation For Crypto (Tables)
 3 Months Ended
Mar. 31, 2024
Platform Operator, Crypto-Asset [Abstract]  
Summary of Crypto
We are responsible for holding the following crypto on behalf of our customers as of March 31, 2024 and December 31, 2023 (in thousands):
March 31, 2024December 31, 2023
Bitcoin$405,632 $262,231 
Ether249,187 196,016 
Shiba Inu363,748 143,237 
Dogecoin174,665 78,524 
Other40,006 21,548 
Safeguarding obligation for crypto$1,233,238 $701,556 
Safeguarding asset for crypto$1,233,238 $701,556