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区块链国际资讯

索尼计划利用区块链存储数字版权数据

日本科技巨头索尼正在考虑使用区块链来存储数字版权数据。

该申请由索尼及其子公司索尼影视娱乐有限公司共同提交。

在美国专利与商标局(USPTO)周四公布的一份申请中,索尼解释说,目前旨在实现互用性的数字版权管理(DRM)解决方案“可能不是非常可靠,如果版权依赖的单一提供商或系统停业或出故障,用户将失去所有获得的内容”。

DRM系统是指只允许购买访问权限的用户访问受版权保护内容的技术,比如云端数字版权储物柜UltraViolet。

然而,索尼还认为,基于区块链的系统可以管理“各种类型的内容或其他数据,例如电影、电视、视频、音乐、音频、游戏、科学资料、医疗数据等”。

该应用程序描述了该技术的几种潜在用例。其中之一是,每个用户的访问权都被编码在专门的区块链上。该分类帐起始于一个创始区块,该区块存储关于该用户的身份信息。当用户获得某些内容的版权时(例如通过购买下载了一部电影),这些版权将被提交给区块链。

正如之前所报道的,索尼一直在研究区块链技术的其他应用,包括用于验证用户数据和管理教育资源的用例。

Japanese technology giant Sony is looking at using blockchain to store digital rights data.

In an application published Thursday by the U.S. Patent and Trademark Office, Sony explains that current digital rights management (DRM) solutions that aim for interoperability "may not be very reliable and rely on one unique point of failure. If the rights locker provider or system goes out of business or otherwise fails, the user loses all the acquired content."

A blockchain could store the required identification information to ensure users could watch the products they purchase, according to the filing.

DRM systems refer to technologies that limit access to copyrighted materials only to those who purchase access. Sony cites UltraViolet, a cloud-based locker for digital rights, as one example.

The application was filed jointly by Sony and subsidiary Sony Pictures Entertainment, and the document specifically cites movies as an example of the type of media the system could be applied to.

However, Sony also argues the blockchain-based system could manage rights to "various types of content or other data, such as movies, television, video, music, audio, games, scientific data, medical data, etc."

The application describes several potential implementations of the technology. In one, each user's rights are encoded on a dedicated blockchain. This ledger begins with a genesis block, which stores identifying information about that user. When the user acquires rights to certain content - by purchasing a movie download, for example - those rights are committed to the blockchain.

Concurrently, a "DRM computer system would verify the rights in the blockchain and then decrypt the media when needed. This computer system can take different forms, including a "DRM agent" residing on a user's device, according to Sony.

As previously reported, Sony has been looking at other applications of the technology, including as a means to authenticate user data and manage education data.

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