steemitboard (66)in #cryptocurrency • 5 years agoRE: Cartesian doubt, first principles and the birth of a publication seriesCongratulations @calvinginger! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #cryptocurrency • 6 years agoRE: Cartesian doubt, first principles and the birth of a publication seriesCongratulations @calvinginger! You have received a personal award! 1 Year on Steemit Click on the badge to…arscatrissu (31)in #cryptocurrency • 7 years agoRE: Cartesian doubt, first principles and the birth of a publication seriesWell writtenbovireahok (27)in #cryptocurrency • 7 years agoRE: Cartesian doubt, first principles and the birth of a publication seriesGood article