Earlier quoted context omitted.
have you tried google?
If you know where the documentation for the most popular DeFi system, Bitcoin, is, then by all means share it. • What does the peer-to-peer network protocol look like? • How do I make a transaction / mine a block? I know how to do this using end-user wallet applications, but the open protocols are so very well documented that I'm sure you can find this information easily. The pages that show up in search results[0][1…
Yes, some aspects you need to look at the code, others you will find documented
i would recommend https://learnmeabitcoin.com/ which has very in-depth resources but it seems to be down at the moment