Chaumian mints is a topic within the realm of digital cash (also known as e-cash). They were first proposed by David Chaum, with the aim of providing privacy protection when using digital currency.

Essentially, a chaumian mint is an anonymous electronic payment method. The idea is that users can purchase digital coins from a central mint in such a way that their real identity remains hidden from prying eyes - this greatly improves privacy and security when engaging in transactions over the internet.

In terms of implementation, several projects have attempted to create chaumian mints but none of them have achieved widespread success. However, there are other alternative implementations being developed which may serve similar purposes. One example would be Zerocoin which uses somewhat similar cryptographic principles to ensure better financial privacy and anonymity for users on its network.