steemitboard (66)in #blockchain • 4 years agoRE: UNDERSTANDING BLOCKCHAINCongratulations @okonkwochike! You received a personal award! Birthday! - You are on the Steem blockchain for 2…aboutaguy (25)in #blockchain • 5 years agoRE: UNDERSTANDING BLOCKCHAINThanks for sharing this valuable content. resteemed