How to keep object data private on a public chain?

Question

Im working on transferring object data that includes potentially sensitive information. Im concerned about privacy since its on a public chain where everything is visible. Im using a structure for UserData that contains details like a users name and favorite color, and Im transferring this data to the user. How can I ensure that only the user can view the real contents of the object?

YJS · Answer

On a public blockchain, data visibility is a general concern. One of the best practices to maintain privacy is encrypting the sensitive data. This means that even if the data is visible on the chain, only someone with the correct key can decrypt and view the real contents, thus securing it from other users while still being able to operate.

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How to keep object data private on a public chain?

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