Looking back in history since Bitcoin was created back in 2009
There were a lot of different exchanges like
- FTX, November 2022. Bankruptcy Type.
Three Arrows Capital, July 2022. Bankruptcy Type.
BlockFi, November 2022. Bankruptcy Type.
Core Scientific, December 2022. Bankruptcy Type.
Voyager Digital, July 2022. Bankruptcy Type.
Celsius, June 2022.
Babel Finance, June 2022.
Hodlnaut, August 2022.
Cryptopia ,
Bittrex ,
It happen with all and it can happen with Current ones
e.g the last one KuCoin like 7 Days ago two of its founders were charged with violating anti-money laundering laws by U.S.
Be smart and keep your assets SAFE always use a Cold Wallet Your Keys Your Coins Does this concern you ?
Looking from the list you have given, most of them were as a result of bankruptcy, which means to operate an exchange needs a huge financial stand, no wonder many of them exist as a joint collaboration, only few among others happened as a result of hack, making an establishment requires a lot of management practices to be in place so as to help see the business last in serving for it's purpose, none of these exchanges once affected ever come back again to life, the same way their users also lost their asset with them.