I agree with you. There is no gain without risk. To be cautious, the central bank Governor of Spain said so. He is also partially right being the central bank governor.
Yes, I agree with the news. Bitcoin cash has a great team and they are constantly working to improve themselves. They have promising projects and I think they will rise more in near future.
Ethereum was forked into Ethereum and Ethereum classic. Ethereum is the new token and the Ethereum classics are the old ones. Ethereum classic is known to be the original Ethereum.
It is mining system that is different than the usual mining process. It operates for a large scale production. But the process is very difficult and construes also. It is even more difficult for the new investors. So do not hang the head by thinking such complex process at first. Invest in bitcoin and gather experience about the market and then explore such thing. Do not waste the valuable time to understand such complex system.
ERC20 tokens are made on the Ethereum block chain. They use savvy contracts. In the event that you make your own particular ERC20 token and it will have a similar deliver that you use to get Eth with. Your wallet should be set up to see these tokens however. Upside is it enables anybody to make their own token. Drawback is it enables anybody to make their own tokens. Bit coin is the best for investment.