Arkham estimates Arthur Hayes' net worth to be up to $350 million

According to Arkham's disclosure, Arthur Hayes, co-founder of BitMEX, has an estimated net worth of $200 million to $350 million in 2026, with on chain assets of approximately $42 million (420 million). Its sources of wealth include BitMEX equity, family office Maelstrom fund, and potential undisclosed token investments. Despite the decline in BitMEX's valuation from its peak of $500 million, it remains its core asset source. Arthur Hayes was sentenced in 2022 for violating the Bank Secrecy Act and was pardoned by Trump in 2025.