A distributed ledger is a tamperproof sequence of data that can be read and augmented by everyone. Distributed ledgers stand to revolutionize the way democratic societies and traditional economies operate. They secure all kinds of traditional transactions -such as payments, asset transfers, titling- in the exact order in which they occur; and enable totally new transactions -such as cryptocurrencies and smart contracts. They can remove intermediaries and usher in a new paradigm for trust. As currently implemented, however, distributed ledgers cannot achieve their enormous potential. The global participation and trust necessary to realize an inclusive and borderless economy require substantially better technology. Algorand is an alternative, democratic, and efficient distributed ledger. Unlike prior ledgers based on 'proof of work', it dispenses with 'miners'. Indeed, Algorand requires only a negligible amount of computation. Moreover, its transaction history does not 'fork' with overwhelming probability: i.e., Algorand guarantees the finality of all transactions. In addition, Algorand guarantees flexible self-governance. A successful society and economy must be able to evolve. A cryptocurrency cannot be an ocean liner on autopilot. By using its hallmark propose-and-agree process, Algorand can consensually correct its course, as necessary or desirable, without any 'hard forks', to meet the current and future needs of the community.
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