A lot of scams have caused the fear of theft among people and they are regarding bitcoin and its trading a scam. People seem to be reluctant towards investing in bitcoins. How do we ensure them that bitcoins are not scam but the people are. 
To make bitcoin into a real currency, it has to be start from us. We need to use it for buying or selling our goods and services in bitcoin.
Peoples still afraid to using bitcoin because there are many scammers and fraudster in crypto.
Once we can get rid of the bad peoples in crypto, i believe more peoples will join to using bitcoin as a real currency.