I think we need it because it's absolutely can give us a lot of benefits and opportunities. Our life can become much easier and brighter because it produce many things that can help us. One of those things is by having a convenient,easiest and fastest way of doing some transactions. It also the answer to our difficulties when regards to our financial aspects and I'm pretty sure that there's a lot more things that this system can gives to us.
One of the reason why we need bitcoin is it help us to gain profits and it will really give us a lot of benefits and opportunities. Using and buying bitcoin is one of the opportunity to become rich or millionaire so that many people already use it. Furthermore, My reason why I need bitcoin is I want to have better and bright future.