I read some of their articles a few years ago but didn't dig too deep into the FIRA concept. 

One thing I am experimenting with for myself is something called Geoarbitrage: for example, earning a strong currency but spending weaker ones, I wrote one piece about it one year ago. But I think I need to update it with some Bitcoin fun.

https://blog.geoarbitrage.com/geoarbitrage/

nemo

Ah yes, THAT article...

I first heard of Bitcoin during the 2017 bullrun, then read MMM's article and wrote it off as a scam way up until 2020!