It's a great idea and once you've got all definitions added, I could really see this getting quite a few visitors.
I'd focus on adding all definitions for terms that you've already added. I can see that there are quite a few missing still.
Looked at the word 'genesis block' and there's nothing.
Its still on early phase where it would really need takes time for it to be completed since not all words on crypto market will able to add up completely. Ive search up some words and its not being listed yet but suggestions above would really give some add up when it comes to terminologies.This would be a helpful site specially for those who had just recently join crypto.Id always prefer to have that suggested search as Joel said so that user will able to point out directly on the things they would seek on.