Ethereum is a very good coin of crypto world. It comes second in rank after bitcoin. People have full trust on it. There are many competitors in market but bitcoin is a main competitor. I think no one can replace the position of bitcoin because it is a founder of crypto world.
Yes, knowledge is needed without knowledge you can't do anything in life. If you start any work firstly you need full knowledge after you earn good profit. Full knowledge is must in any work because little knowledge is also to much harmful for us. We need use knowledge as a power and a tool in life.
No, i think not to worried about crypto currency future because according to me future of crypto is very bright. Maximum peoples goes to digital technology in place of cash transaction. Government of some countries approved this technology and some are trying.
Because it is a founder of cryptocurrency world and father of all coins. It captures whole market in around the world. It is good for long term investment. It provides huge potential and it gives high profit. It is a brand of super rich peoples.
No doubt EOS is also a very strong,promising and profitable coin but i think can't replace the position of Ethereum because Ethereum is also a very strong market and people have full faith on it.
NEO is a very good coin at present. It is made by China. It provides huge potential and it gives huge profit. It covers whole market in very short period. Nowadays it is very promising coin and good platform for all.
There are many benefits of crypto currency in 21st century. Maximum people goes in digital technology in place of cash because it is very fast, easy,effective and cheap way to transfer money from anywhere in world. It gives huge profit and high potential.