I think the most useful resource you have for understanding the foundation is directly reading and understanding the original Bitcoin whitepaper: https://bitcoi

I think the most useful resource you have for understanding the foundation is directly reading and understanding the original Bitcoin whitepaper: https://bitcoin.org/bitcoin.pdf https://bitcoin.org/bitcoin.pdf For some of the basics, you can take a look at Anders Brownworth's web demonstration: https://anders.com/blockchain/ https://anders.com/blockchain/ I'd also recommend looking at the source code of some of the bigger blockchains (Bitcoin Core, Geth, etc..) and look at some smaller demo blockchain implementations: - https://github.com/Jeiwan/blockchain_go/tree/master https://github.com/Jeiwan/blockchain_go/tree/master - https://github.com/kendricktan/misocoin https://github.com/kendricktan/misocoin - https://github.com/jeffbarg/Littlecoin https://github.com/jeffbarg/Littlecoin (disclaimer: I am the author of this project)