steemitboard (66)in #science • 5 years agoRE: Wave & Sound ,K6-K10, Middle School , PhysicsCongratulations @ledgerblabber! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #science • 6 years agoRE: Wave & Sound ,K6-K10, Middle School , PhysicsCongratulations @ledgerblabber! You received a personal award! Year on Steemit Click here to view your…steemitboard (66)in #science • 6 years agoRE: Wave & Sound ,K6-K10, Middle School , PhysicsCongratulations @ledgerblabber! You have completed some achievement on Steemit and have been rewarded with new…steem-network (-2)(1)in #blockchain • 6 years agoRE: How does Blockchain help fight fraud?Congratulations @ledgerblabber, you have decided to take the next big step with your first post! The Steem Network…