Researchers from several institutes worldwide recently developed Quarks, a new, decentralized messaging network based on blockchain technology. Their proposed system could overcome the limitations of most commonly used messaging platforms, allowing users to retain control over their personal data and other information they share online.
tree burning is bitcoin specific implementation. distributed ledger does not rely on processing power being wasted for no good reason. Believe me I don’t like bitcoin or its ilk but am fine with grid coin for example. pgp keys are for authentication and don’t store information. distributed ledger is not for authentication its for just like it sounds. keeping a ledger.