Exploring the Blockchain, Implementing a Simple Version, and Defining why Blockstack Will Save the Internet:

https://medium.com/@shmuel.lotman/what-the-heck-is-blockchain-and-lets-blow-up-the-internet-part-1-8b91656a2abf

https://medium.com/@shmuel.lotman/what-the-heck-is-blockchain-and-lets-blow-up-the-internet-part-2-5b3a09f58f36

https://medium.com/@shmuel.lotman/what-the-heck-is-blockchain-and-lets-blow-up-the-internet-part-3-1610d626184f