Well, the things you post almost everyone involved and learn about bitcoin for a long time has been known. It is just reasonable and suitable for newbies. New people should read to understand more.
Lol even old members here don't know more about this things thats why many have become a victim until now for being lacking of informations..people here always need thread like this to remind us of what to do and what is not.what to avoid and what to follow,this is what sharing means thats why to OP thabks for this bro