Aeternity is one of the new stage that can be used for decentralized applications (dapps) where the essential objective of this stage is to significantly construct the adaptability of sharp arrangements and decentralized applications, the dispatch of this stage was finished by Testnet in the year 2017. The limit of Aeternity is to move contracts out of the blockchain chain which suggests that astute agreements can't be executed on the blockchain in any case, taking everything into account, they execute in private States Channels between the social occasions related with them. Despite this part, Aeternity has inside the programming a decentralized prophet machine that gives data from external sources to be used in sharp arrangements. Besides, it uses figure markets for various vote based and affirmation purposes inside the stage.