The biggest obstacles of bitcoin in the past, today and probably in the future are the governments along with their banks. Which are ran by the people on top. Then there are the people who abuse the crypto currencies and use them to scam other people and do illegal things with the help of all the crypto currency that they think are beneficial to their wrong doings.
We can help by not thinking of it as just a source of income but as a currency. Which is its true purpose. And another is to not patronize anything illegal. And lastly, share our knowledge to as many people as we can and make them understand what crypto currencies really are and what purpose do they really serve.