I am sure places like binance or kucoin have product for this. But the question will they pay up??? My bet, they would suspend withdrawal of huge windfall.
FTX.com is pretty big. They do more volume than Coinbase. I'm pretty sure they can pay a huge windfall
The biggest owner and of FTX and a multi-billionaire, Sam, just bought shares of Robinhood recently in the news
FTX.com does not accept US residents, fyi