The halving is the crucial time,the price of bitcoin will reach the maximum value.So some of the exchanges will make shut at that point.It’s better to hold your bitcoin at the cold storage instead of holding at the Exchanges.FTX is the best example for the bitcoin market pump and close without any intimate the users.Many traders hold their bitcoin in the FTX is the wrong decision by them in order to avoid the fee,but the FTX scam most the traders with huge amount of dollars.