I think that for those who do not like bitcoin is because they do not understand much about its usefulness and how it works .. bitvoin is an encrypted digital currency that appeared in 2008. It can Exchanged, deal directly with Internet-connected devices without the need of an intermediary financial institution, with no one managing it, and the transactions are completed immediately. Bitcoin is completely harmless to everyone so I will try to explain to people who do not like bitcoin so they understand the benefits and how Bitcoin works and they listen to or not to be their privacy.