#crptobitconUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文WORLD OF XPILARAVLE 일상Steem POD TeamTron Fan ClubComunidad Latina#crptobitconTrendingHotNewPayoutsMutedjutt45 (28)in #crptobitcon • 3 years agoBlockchain, cryptocurrencies, and miningWhen Bitcoin (BTC) first appeared in 2009, few people had a clear idea of what it was, let alone the waves it would…