SciDex Whitepaper

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SciDex contracts are based on a proprietary version of Ricardian contracts supporting peer to peer smart contracts, the Ricardian Adaptive Smart Contract (RASC). The RASC is a readable representation of sophisticated contracts and their secured execution on blockchain that adapts to the users’ constraints and requirements. Users can add “tags” to the contracts, allowing a smart hierarchy system for searching and indexing data. The adaptive contract is a single contract holding all different variations of the item. Each variation holds the following data: • Id • Parent item ID • Title • Description • Amount of times this variation can be sold (-1 is infinite) • Price • Restrictions The SciDex smart contract mechanism allows the data buyer to choose any arbiter supporting SciTokens. The Flowchart of a buying contract on SciDex can be found on the following page. 20
Digital address Data request Signature ] Signature Provider Information 1 2 Buyer Provider 3 Buyer-Provider 5 Arbiter Ask for arbitrage initial contract Arbiter 4 Signature 11 Transaction Script Arbiter’s Sales Contract Multi Signature Address 3 Parties Contract Payment 6 8 Signature 7 Multi Signature Address Buyers Digital Address 10 Buyer Data 9a Provider Signature 9b Payment Once the embedded parameters are set, a RASC represents a single unit of a usage license of a dataset or a service (for example a call for contribution) sold (potentially for free) from a data provider to a data buyer. Upon the creation of the adaptive contract, it will create all the sub-contracts, one for each variety and publish them on the blockchain. The sub-contracts are in charge of the actual sell, but it has to notify the parent adaptive contract about any transaction made. 21
Page 1 and 2: Decentralized MarketSpace for excha
Page 3 and 4: Table of Contents 1. The Scientific
Page 5 and 6: 1. The Scientific Data Market: A Un
Page 7 and 8: 2. The SciDex MarketSpace 2.1 A Gam
Page 9 and 10: 3. The SciDex Ecosystem 3.1 The Sci
Page 11 and 12: Actor Title Role Benefits for Actor
Page 13 and 14: The breakdown for rewards among dif
Page 15 and 16: SciExchange A transaction system al
Page 17 and 18: The ScieEngine supports most of the
Page 19: The SciDex MarketSpace provides Dat
Page 23 and 24: Further to setting up a classic spe
Page 25 and 26: 6. Data Price The pricing of data i
Page 27 and 28: 7.3. Trusted Member To ensure a pro
Page 29 and 30: 8. The SciDex Subsidy & Investment
Page 31 and 32: The SciDex Foundation is not taking
Page 33 and 34: 10. The Founding Team & Advisors Th
Page 35 and 36: 11. Data Confidentiality Privacy an
Page 37 and 38: 12. TBD This is under review by our
Page 39: References [14] Grigg, I. (2004, Ju

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