On 31 Oct 2021, my free Bitcoin book "Um café com o Protocolo Bitcoin" was availabe to download https://i2e.online/#lvr

Today I'm proud to release

https://edu.i2e.online a free library with all documents, articles and info shared in i2e.online - Ecossistema de Informação i2eonline

#i2eonline #bitcoin #btc #investments #money