
BitMEX closes after 11 years, ending the era of 100x perpetual swaps it pioneered. CZ reflects on the exchange's legacy and the regulatory war he says killed it. Users are told to withdraw funds.
BitMEX is closing. HDR Global Trading Limited, the company behind the exchange, said it made the difficult decision after a strategic review. The platform that invented 100x leveraged perpetual swaps in 2014 will wind down after more than 11 years.
At its peak around 2019, BitMEX handled roughly half of global Bitcoin futures open interest. The exchange drew risk-seeking traders with its simple model: Bitcoin-only deposits, a single blockchain, once-daily withdrawals through a multi-sig wallet. Its perpetual swap design became the industry standard. Today every major derivatives exchange – Binance, Bybit, OKX, Deribit – uses a version of the same contract.
The March 2020 Black Thursday crash exposed the fragility of that model. BitMEX's liquidation cascade became a defining moment in crypto market history, wiping out leveraged positions and amplifying the selloff.
Dominance unraveled quickly after U.S. regulators charged founder Arthur Hayes and other executives with violating anti-money laundering rules in 2020. Competitors such as Binance Futures and Bybit grabbed market share. FTX later joined the race before its own collapse. Hayes later received a full pardon and reinvented himself as a crypto macro commentator.
Binance founder Changpeng Zhao reacted to the wind-down by showing respect for Hayes. "Sad to see BitMex go," Zhao wrote on X. He said BitMEX did not survive the "war on crypto" from the previous administration, referencing the regulatory crackdown that followed the charges.
BitMEX reassured users that their funds are safe. "We want to reassure you that your assets remain fully safe and under your control during this transition period," the exchange said. Users have been encouraged to close positions and withdraw funds.
The shutdown marks the end of an exchange that defined an era of crypto derivatives. Its perpetual swap innovation survives in every major trading venue, the original home of 100x leverage is gone.
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