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Content delivery network or CDN is a term used to describe a geographically distributed group of servers which work together to provide fast delivery of Internet content. As the world becomes ever more digital, the demand for faster online processing speed is more than ever. Most of the CDN providers out there like Amazon and Akamai are centralized in nature. To overcome these faults, decentralized CDNs have been getting a lot of attention. A decentralized CDN system can be a lot more efficient than a centralized system.