Beerwallet is an SPV wallet for the DEFCOIN cryptocurrency.It's based on Breadwallet by Aaron Voisine, but it uses the DEFCOIN network.DEFCOIN is a cryptocurrency used at the DEF CON hacker conference in Las Vegas. The cryptocurrency is won as prizes during contests, traded by attendees in exchange for beer and other sustenance, and is used to gain access to exclusive private parties. It's also used to play Coindroids, the world's first cryptocurrency-based battle game.I have it on questionable authority that you may even be able to bribe goons with the stuff too.Beerwallet features a new "Single Address Mode" which forces reuse of the first address within your wallet's BIP32 tree. This ensures that all change is returned to the same address. This feature is very useful when playing the Coindroids battle game at DEF CON.