in summary, we have to bag ETH, DCR and ADA, yes, yes, ADA as,in my view, Cardano offers the most elegant solutions to all known problems traditionally associated with cryptocurrency.
ETH - The best! I bought a huge number of coins, but the most convenient in my sight is the ETH.
The system of smart contracts allows you to create unique solutions.
Now we can observe the time of the formation of new technological coins!
https://bitcointalk.org/index.php?topic=2721661.0 - AES Best solution for invetors and admin.
https://bitcointalk.org/index.php?topic=1598571.0 - YOCOIN.
There are many other examples. All this thanks to the ETH.
Indeed, without an etherium of projects would not exist. Very high-quality smart contracts.