Speaking of trading, I was looking for a place to buy bitcoin locally and found this one: https://coinsprime.net.   
Found a few people from my area there too. Made a quick trade at a nice price. Check it out.   

Where to buy BTC? This could be a good place to start: https://coinsprime.net.
I found a few offers from my country and a few options like: cash payment, PayPal, etc.
Check it out.

Despite the inherent risks, cryptocurrencies and the blockchain industry are consistently growing stronger. Much-needed financial infrastructure is being built, and investors are increasingly able to access institutional-grade custody services. Professional and individual investors are gradually receiving the tools they need to manage and safeguard their crypto assets.

Two types of Bitcoin killers are  Governments and hackers. You'll hear things like governments will ban it or hackers will take it down. Technical attacks damage the network, while political hurt Bitcoin holders.