This is a really sad wish, you probably lost a lot on investing in Crypto, I advise you to stand up after failures, see if that is a lesson for you in the future to come, and The next investment you will succeed than expected, wish you all good and success will soon come to you.
Though Bitcoin in the king of crypto currency and has been on the front line so far, altcoin has also been profitable to many and this is entirely a subjective mater what you think about altcoin. May be you have not traded alt in the right time if you are a trader or may be the decision of buying alt was made in a point in time when the altcoin was not as profitable as other currencies. Whatever you do and how you do matters in the crypto business.