angelcirc (42)in #newcomerscommunity • 4 years agoAchievement 2:Block chain security .Block chain can simply be defined as a strong security network,built to ensure trust in an untrusty era making it very…angelcirc (42)in #introducemyself • 4 years agoIntroduction postMy name is John Precious onyinye . I am a Nigerian , i am the first child out of 6 children 5 girls and a boy .I hail…
