8. References 8.1 Bitcoin Bitcoin: A Peer-to-Peer Electronic Cash System - Satoshi Nakamoto Bitcoin.org Bitcoin Developer Documentation Bitcoin Wiki Multisignature Transactions Multisignature Tools 8.2 Peer-to-Peer Networking Kademlia distributed hash table Strategies for defeating NAD configuration issues 8.3 Ricardian Contracts The Ricardian Contract - Ian Grigg Triple-entry accounting - Ian Grigg 8.4 Security Layer TOR I2P Wiki 8.5 Related Projects Passcards Onename Mine CommonAccord Subspace