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Tamper-evident technology is a type of security design that does not prevent tampering, but makes any unauthorised change visible and detectable.
A common example of tamper-evident technology is a wax seal on a letter. If the seal is broken, it is clear that the letter has been opened and potentially altered.
In the digital world, tamper-evident technology is often implemented using cryptographic techniques. For example, digital signatures and hash functions can be used to create tamper-evident tokens, such as JSON Web Token (JWT).