Michael Nielsen has a nice intro the protocol, for those looking for another source: http://www.michaelnielsen.org/ddi/how-the-bitcoin-protocol-actually-works/

Michael Nielsen has a nice intro the protocol, for those looking for another source: http://www.michaelnielsen.org/ddi/how-the-bitcoin-protocol-actually-works/ http://www.michaelnielsen.org/ddi/how-the-bitcoin-protocol-a... (he has other articles I would recommend taking a look at, too --- check them out if you're interested! )