nazartymoshchuk (27)in #investments • 8 years ago • NoneSteemit was down for about 15 minutes. Can anybody explain what happend?Is it any security issues?nazartymoshchuk (27)in #investments • 8 years ago • NoneAll links you need to understand and master blockchain, cryptocurrency, bitcoin... (Blockchain, cryptocurrency alphabet)Hello. Decided to create in one place all useful links about blockchain and cryptocurrencies. So, any person…nazartymoshchuk (27)in #investments • 8 years ago • NoneSteem mining for noobs and useful linksHey I'm new here as most of us. Decided to share with newbies some useful links: Best guide for steem mining…