What you already know cannot be taken away from you...
Definitely. We all should have a better knowledge about the field no matter what the field is. After starting my career as a bounty hunter I had no any clue about the crypto field. I didn't even know what the blockchain is
. I just did my bounty works without having a proper knowledge. But now I know how easy it is to understand about the ICO after getting a decent knowledge about crypto and the related things to the field.