Building Blocks and BasicsWTF is the blockchain? — understanding the problem it solves before defining it by Mohit Mamoria https://hackernoon.com/wtf-is-the-blockchain-1da89ba19348 **Ever wonder how bitcoin (and other cryptocurrencies) actually work? **from 3Blue1Brown https://youtu.be/bBC-nXj3Ng4 **How the bitcoin protocol actually works **by Michael Nielsen http://www.michaelnielsen.org/ddi/how-the-bitcoin-protocol-actually-works/ **Ethereum in 25 minutes **by Vitalik Buterin https://youtu....