(....)
I don't want a situation whereby someone will say that I scammed him if there is a sudden dip in the crypto industry, so I just told him to open a binance account and verify it, after then, he should get back to me so I can send him the hard copy of the crypto course I bought.
Uptil now I still feel uncomfortable about it, I don't know if am wrong or right for opening up, even though I told him of the risk involved.
You don't need to feel sorry about it, you can guide him and always give him advice or caution about cryptocurrency. As long as you are giving him good advice then all good, but be careful also with your advice, tell him always it's not guaranteed and always remind him that he may lose his money when doing this especially it is about cryptocurrency trading.