My worst investments in 2019 was... missed. Skip the 10000% in a quarter.
It wasn worst, coz it never happend. Let me tell you the details, you can learn from it.
So, first, do you know the ThoreCoin?
Not so big deal, just an average invesment-based crypto, but with a lil twist: the maximum supply is only 100k. It is rare, and a little weird, and if you dont take care of the scarcity-feature of the BTC, its not a big deal.