and from where they transfer money and what type of exchange they use Or any other type of exchange
And if they use centralized exchange {like binance}what type of benefits and disadvantages are :
What type of process to depositing and withdrawing this big amount need
• Over The Counter traded are the most ideal for them as it does not reflect on the price.
• Benefits and disadvantage of using centralized exchanges? Pretty much what risks and be efits everyone else gets. Binance and other too CEX have a select option for those trading very high amounts, but they are still exposed to risks of data theft et al.
• OTC as mentioned above.