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Algorand is a scalable, secure, and decentralized digital currency and transactions platform.
Founded by Turing award winner and MIT professor Silvio Micali, Algorand is a permissionless pure proof-of-stake blockchain protocol. Unlike first-generation consensus mechanisms, Algorand's technology finalizes blocks in seconds and provides immediate transaction finality while preventing forks. Algorand does also not reward validators with newly minted tokens.
With a primary focus on developers and their needs, Algorand's node repository has been open-sourced and is publicly available. Algorand provides a robust set of developer tools, DApp analytics through a partnership with Flipside Crypto, and has a number of partners building on their blockchain, including OTOY, Syncsort, TOP Networks, Asset Block and more.
The Algorand blockchain network has its own official native cryptocurrency, called the Algo, to drive the borderless economy and the system of incentives. The Foundation holds Algos to contribute to the stability of the Algorand blockchain, to incentivize network participation, and to support the Algorand community, ecosystem building, and research. The Algos enter the ecosystem via various channels including development and research grants, participation rewards, and sales. All such activities are disclosed with full transparency to the Algorand community.
Algorand Technology: Algorand utilizes a Pure Proof of Stake, where validators are not rewarded nor are they at risk of being slashed. It becomes impossible for the minority to cheat and irrational for the majority to cheat the system as it would devalue their holdings. There is also no locking of tokens so a user has their tokens available at all time. Blocks are created in two phases where a single token is selected randomly and its owner proposes the next block. Subsequently, 1000 random tokens are selected with their owners then approving the block proposed by the first user.
These phases are ensured by the core protocol called Binary Byzantine Agreement, or Byzantine Agreement ★ (‘Star’), encompassing the following advancements:
The Algorand mainnet went live in June 2019 and is now (Dec 2020) handling almost 1M transactions per day on average. Current performance levels, which are scalable and constant, up to 86M transactions per day, are:
For 2021, the Algorand blockchain will leverage an innovative pipelining approach to achieve a step function improvement in the scale, capacity and speed of the Algorand Blockchain. In 2021, performance levels will be:
Critically, the Algorand Blockchain is choosing to use finalized block transaction time to measure TPS (Transactions per Second), rather than Block Proposition time. For more details on Algorand approach to truthful pipelining and TPS measurement, please read.