As you may already know, a transaction is only fully completed when the transaction reaches a certain number of confirmations on the blockchain. We only credit your account after that number is reached unless your address is 'trusted' (see information about Instant Deposits).
Bitcoin (BTC): 1 Confirmation
Ethereum (ETH): 1 Confirmation
Litecoin (LTC): 1 Confirmation
Bitcoin Cash ABC (BCH): 1 Confirmation
Bitcoin Cash SV (BSV): 3 Confirmations
Ripple (XRP): 1 Confirmation
Dogecoin (DOGE): 1 Confirmation
Dash (DASH): 1 Confirmation
ZCash (ZEC): 3 Confirmations
Ethereum Classic (ETC): 12 Confirmations
Neo (NEO): 10 Confirmations
Stratis (STRAT): 10 Confirmations
Komodo (KMD): 10 Confirmations
Burstcoin (BURST): 
Bitcoin Gold (BTG): 1 Confirmation
Lisk (LSK): 10 Confirmations
Digibyte (DGB): 10 Confirmations
Quantum (QTUM): 6 Confirmations
Waves (WAVES): 4 Confirmations