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It prevents covert malicious behavior by the issuer (i.e. they can't just change a database entry and deny they did so).
by devit 7y ago
It prevents covert malicious behavior by the issuer (i.e. they can't just change a database entry and deny they did so).
- elcomet 7y agoBut they can since they control the chain.
- Barrin92 7y agohow often has your bank or paypal suddenly changed the balance in your account? This is a fictional problem because no large institution is going to cheat you out of twenty bucks to risk a billion dollar lawsuit and their customers.