[5] A blind signature is used to protect the privacy of users as it prevents the exchange from knowing which coin it signed for which customer.

"[10] In a paper published in Security, Privacy, and Applied Cryptography Engineering, GNU Taler is described as meeting ethical considerations – the paying customer is anonymous while the merchant is identified and taxable.

[15] In 2020 the project received a grant from NLnet and the European Commission's Horizon 2020 Next Generation Internet (NGI) initiative to perform an external security audit of the system, which was done by CodeBlau in July.

In September a live system was launched at Bern University of Applied Sciences, originally for a Taler-enabled snack machine.

[15] There was also various papers about real-life problems and their handling by Taler, like anonymous age verification, relations to Central Banks and the Euro or using One-Time Passcodes.