Rell is super easy to learn & use! Let’s have a look at a practical comparison of #Rell vs. the Cosmos SDK with example code by 
Even if you don't know anything about Rell, it should be easy to follow -- we first find an entry by a key (name), then check if owner of the entry is the signer of a transaction which includes this operation call, and then we update the value part of the entry. This kind of stuff is also very easy to code in Solidity, the code would be roughly the same.
check the blog below to learn every steps coding with rell
