As we all know bitcoin has come long way in the eight or so years its been in existence, but their's still long way to go before the digital currency becomes a widely used method of paying for goods and services.
we should know.
1.what challenges are facing bitcoin?
2. how we can prevent it?
3. how we should face those challenges?
I think that the transaction time is something that should be worked upon. It should be made instant if bitcoin has to compete with payment options like PayPal.