It automatically counts the amount of crypto that will be received. Privacy coins tend to have private communities — and therefore the trackion takes time. You can directly head towards buying Bitcoins without registering to the site. Now in virtually every bitcoin exchange is obliged by law to do full KYC know your customer. Bitquick does not charge any fee on withdrawals. You can buy Bitcoins from local vendors through Bitit. Wall of coins maintains good security by offering cold storage to store Bitcoins.