There is all sort of graffiti and other garbage embedded in the blockchain. http://garzikrants.blogspot.com/2013/04/on-bitcoin-data-spam-and-evil-data.html htt

There is all sort of graffiti and other garbage embedded in the blockchain. http://garzikrants.blogspot.com/2013/04/on-bitcoin-data-spam-and-evil-data.html http://garzikrants.blogspot.com/2013/04/on-bitcoin-data-spam...