I think Buying is good.Mining is not bad.But we can save our time in buying.(cloud mining is not safe)

Hello...

 I think AMLT and Danneel ICOs are good ICOs to invest in 2018.Because this projects are super.

The issue of security has been a fundamental one for bitcoin since its development. On one hand, bitcoin itself is very difficult to hack, and that is largely due to the blockchain technology which supports it. As blockchain is constantly being reviewed by bitcoin users, hacks are unlikely. On the other hand, though, the fact that bitcoin itself is difficult to hack does not mean that it's necessarily a safe investment. There does exist potential for security risks at various stages of the trading process.

Yes. you are right. We invest our money and make money. I think it's a real business.It is not ga not gambling.

I think Google auth is a best wallet safe system.Because its card is change every 30s.Can't any one hack it.its works in time base cords system.

Yes Exactly.Bitcoin is becoming more valuable than anything else.most people likes bitcoin and their investing in bitcoins.

I think ETH is best cryptocurrency. many peoples and ICO's using ETH for there transactions.ETH is one of the best altcoin.

Me too..I expected to hold my bitcoins long term and get big profit.After I'm hope to take a new car.

Yes it's true.I have very low wage in 2017.Bitcoin Saved my last year as well.It was helpful many peoples life.

I think long term is good.its risk is low,but short term is not sure.its risk is high.

Bitcoin is a currency.I like its price movement because I can earn lots of money in Bitcoin,So its cool..

I think Ripple is one of the best altcoins out there when looking at it in a long term scale.And I think LTC,WXT,XVG are good altcoins.