Using Bitcoin brings about extreme speed in transactions which in never possible before its existence. To put simply, it provides almost perfect convenience to transaction speeds but that in itself comes with a fair measures of security issues which can be solved by being more cautious.
Yeah, bitcoin can be transacted quickly around the world, and it can be received in a minute. I think nowadays it is not that perfect and convenient because it takes you a day to receive a normal transaction and a big fee so it can be confirmed fast, in case of the security, bitcoin is top notch. I think bitcoin will be used more by the people especially in the future where the most of us use computers in our body, I mean our body in the future will be full of computer related accessories that will help our life to be efficient and convenient, bitcoin is one of those.