Killer Whale recommends that you use extreme caution with this setting. You only want to put coins and projects on your list that you are serious about investing in for the long term. With all coins enabled your hopper can purchase every coin traded against the selected quote currency. This means coins with low liquidity and sparse use cases can be purchased. You hopper will still use the indicator equations programed into the strategy or AI, however allow all coins will use your funds much faster because you could be trading hundreds of coins.