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Create a video sharing application that ensures the authenticity of the videos. What methods will we use to confirm the accuracy of the verification process?

Approach / Explanation

This question requests you to outline a design for a video sharing application that includes a specific feature: the ability to verify the authenticity of uploaded videos. It consists of two components. The first part requires you to share your approach to developing the application, while the second part focuses on how you would guarantee that the verification process is accurate and dependable. Your response should cover both aspects and demonstrate your in-depth knowledge of system design, algorithms, and, specifically, video processing and analysis. Important points to consider may include the implementation of encryption and checksums for authenticity verification, as well as conducting thorough testing and audits to ensure the accuracy of the verification process.

Suggested Answer

In order to create a video sharing application that confirms the authenticity of videos, we could utilize blockchain technology. This technology can hold metadata about the video, such as its source, timestamps, and checksums, which can later assist in verifying its authenticity. Each time a video is uploaded, a digital fingerprint is generated and recorded on the blockchain. This fingerprint is composed of an encrypted hash of the video content. Whenever the video is accessed again, this process is repeated, and the newly created fingerprint is compared to the original one stored in the blockchain. If the two fingerprints match, the video’s authenticity is confirmed. To ensure the verification process is accurate, we can implement several measures. We can carry out extensive test automation that simulates various scenarios and edge cases. Additionally, we can engage third-party audits to verify the precision and reliability of the verification system. Moreover, we can establish a version control system to uphold the integrity and accuracy of the video across different versions and modifications.

Alternative Answer

Our video sharing application can identify distinct characteristics of a video, similar to DNA, which would serve as its unique signature. Each time a video is uploaded, the app generates this 'signature' and securely stores it in a tamper-proof database. Whenever someone views the video, the app produces a new 'signature' and compares it to the original. If the two signatures match, the video is verified as genuine. To ensure the verification process is accurate, we will establish a robust quality assurance testing protocol. We could have a dedicated team that alters videos in attempts to deceive the system, allowing us to assess how effectively our system detects these modifications. Furthermore, conducting regular independent audits of our procedures will help pinpoint any vulnerabilities in our verification methods, ensuring that the system retains its integrity over time.

Question Details

Difficulty & Category

Medium
program sense

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Meta (Facebook)

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