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decentralized-applications

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An Ethereum decentralized application that helps event organizers prevent no-shows by requiring attendees to make a deposit into a smart contract in order to gain entrance to the event. Deposits are refunded upon arrival (by scanning the wallet address QR code). All funds of no-shows are transferred to a charity wallet address defined in the con…

  • Updated Jun 24, 2018
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💵 Build an exchange that swaps ETH to tokens and tokens to ETH. 💰 This is possible because the smart contract holds reserves of both assets and has a price function based on the ratio of the reserves. Liquidity providers are issued a token that represents their share of the reserves and fees...

  • Updated May 29, 2022
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