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Moneyness: "Controllable anonymity"

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So the upshot is that China's CBDC will be providing a certain sort of privacy to users. Which reminds me about what Rodney Garratt and Morten Bech, two economists that specialize in payments systems, have written about payments anonymity. According to Garratt and Bech, there are two grades of payments anonymity. With third-party anonymity, a person's true identity is hidden from everyone who participates in a transaction, including the system operator. Banknotes are the best example of third-party anonymity, since the issuer—the central bank—has no idea who is using them.

Counterparty anonymity is less strong. This sort of anonymity prevails when personal information about the two counterparties to an exchange remain hidden from each other but the system operator is still privy to each user's identity. Yao's controlled anonymity presumably means that DCEP will provide Garratt and Bech's second sort of anonymity, counterparty anonymity.

Moneyness: "Controllable anonymity":

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