There is a small flat fee to withdraw crypto to an external wallet. The current fee for transfers are: 

    • AAVE 0.0474
    • ADA 2
    • BAND 2.203
    • BAT 23.4
    • BCH 0.006
    • BTC 0.0005
    • CHZ 65
    • COMP 0.04558
    • DAI 15
    • DASH 0.02
    • ENJ 12.08
    • ETC .1
    • ETH 0.00414
    • GLM 55.66
    • KNC 7.5
    • LINK .65
    • LTC 0.01 
    • MANA 22.09
    • MATIC 10.807
    • MKR 0.0049
    • OCEAN 27.52
    • OMG 2.95
    • OXT 45.9
    • SHIB 2096857
    • SRM 3.69
    • STMX 708.5
    • SUSHI 2.13
    • TUSD 15
    • UMA 1.209
    • UNI .677
    • USDC 12
    • USDT 15
    • VGX 6.5
    • XRP 10
    • YFI 0.000399
    • ZRX 17