I like bitcoin because currently is very profitable, I think the best thing the most I like about bitcoin is profitable. supporting factors such as security, transaction speed and low cost.
Yeah that is the best thing about bitcoin, being profitable in many ways because there still a lot of things we can try to earn so much money with bitcoin like investment and trading and many more. Even holding bitcoin for a long time is very profitable for us. I don't think there is cryptocurrency that is better than bitcoin 
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