I think the obstacle of bitcoin is very much the main thing is that market prices that rise and fall rapidly are very disappointing obstacles. and as for hackers who are getting smarter in a way that can break into our account to get profits easily
How does volatility becomes an obstacle, when its the main reason why majority of investors engaged in crypto space? And hackers cant easily access our wallets unless if you leaked your essenstial infos over the internet or if you create a wallet in an untrusted exchange, or downloaded something that could expose your private keys.