#crptobitconUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Comunidad LatinaWORLD OF XPILARBeauty of CreativitySteem POD TeamTron Fan ClubAVLE 일상#crptobitconTrendingHotNewPayoutsMutedjutt45 (28)in #crptobitcon • 4 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…