An easy approach to "Identity" on Solana

Hello dear readers, I'm going to explain a few basic concepts that will give meaning to this whole article, seeing it from my perspective as a Web Developer who is just taking his/her first steps in the world of Web3, Blockchain, Solana, etc. Web3 is the next "phase" of the internet we know and use daily, adding the concept of "ownership." Think of these phases as similar to the Marvel movies: they started by introducing basic elements (characters and stories), which then become more complex and