Excellent article. I would like to add one method that has helped me. I am a small importer, exporter in clothing and other goods. I have from time to time accepted payments in various token, alt-coins, whatever name you'd like to use.
I held on to these "small" amounts and they have appreciated. Here in Hawaii we are literally in the middle of the North Pacific Ocean and have to trade with other Countries, Pacific Island Countries in particular.
Right now we have gotten "leads" of other traders around the World and some of them are doing the same thing. I really hope merchants of any size keep this in mind, I personally think being opened minded to what regional preferences in a specific alt-coin/token etc.
Taking this in other experiments, projects and quite frankly the need to protect ourselves from having "all of our eggs in one basket" we're hoping anyone out there who is interested in trading goods with us, feels free to contact us.
Aloha from Hawaii, Richard
RE: How to earn crypto without Trading in Nigeria