Repliescrypto.defrag (51)in crypto • 2 years agoRE: Cool Heads and Hot Wallets A cryptocurrency security primerYour post was upvoted and resteemed on @crypto.defragsteem.history (78)in crptobitcon • 2 years agoRE: Blockchain, cryptocurrencies, and miningHello welcome to Steemit world! I'm @steem.history, who is steem witness. This is a recommended post for you. Newcomers Guide and The Complete Steemit Etiquette Guide (Revision 2.0) and…