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|1. (WO2018032890) METHOD AND SYSTEM FOR DISTRIBUTING DIGITAL CONTENT IN PEER-TO-PEER NETWORK|
|Applicants:||HUAWEI TECHNOLOGIES CO., LTD.
|Title:||METHOD AND SYSTEM FOR DISTRIBUTING DIGITAL CONTENT IN PEER-TO-PEER NETWORK|
Provided in an embodiment of the invention are a method and system for distributing a digital content. The method comprises: a content device receiving a download request sent by a download client, the download request comprising an upload transaction ID and a license transaction ID of a content file to be downloaded; the content device determining, according to the upload transaction ID and the license transaction ID, whether the download client has license information for downloading the content file, and if so, sending the content file to the download client; after the content file has been distributed, the content device sending a download transaction request to a content transaction processing device, the download transaction request comprising download information; the content transaction processing device receiving the download transaction request, determining that the download information is valid, generating a download transaction, and sending the download transaction to a blockchain processing device; and the blockchain processing device receiving the download transaction, and adding the download transaction to a blockchain. The content device sends a content file to a download client only when the download client has download authorization, thereby limiting a distribution range of a content file.