Abstract
AbstractThe blockchain does not need the central organization to make trust endorsement, which is suitable for large scale information exchange between different regions. In addition, blockchain has the characteristics of decentralization and tamper resistant, so that it no longer needs an intermediary platform. A blockchain‐based user authorization management method is proposed, which applies blockchain as an underlaying security mechanism for distributed user authorization management within a trusted community of a distributed information exchange sites of federation of industry and commerce. This method can ensure the reliability, consistency, and integrity of user authorization information. With this method, an elastic data exchange trusted community can be built between the data owner and the authorized data user according to the data exchange needs to achieve reliable distributed access authorization.
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