Ethereum is an amazing blockchain much more than just a cryptocurrency, it is more like an operating system that helps you create all sorts of amazing projects.
The ability to create your own ERC20 token or tokenize your assets and create Dapp's makes this one of the most versatile blockchains on the web.
Although Ethereum is awesome it is not easy to code and I have not found many No Code options for Ethereum but there are some to create a simple Dapp
If you want to learn about Crypto you should start with Ethereum as it will give you many more options to grow.