GNU Taler (Taxable Anonymous Libre Electronic Resources) is a new secure electronic payment system based on open standards, free software, and advanced cryptography. GNU Taler provides privacy guarantees to the buyer while offering the possibility to audit merchants, making sale incomes transparent and fraud difficult. To online merchants and retailers, GNU Taler offers instant transaction clearance without risks of fake payment methods. Computations needed to clear the payments are efficient and scalable so that banks can pass on lower transaction costs to consumers and merchants.
Taler is anonymous for the payer, but not for the payee. For example you can buy or rent a movie online, know who you are paying and have a cryptographic prove you paid (to use if you have to redownload the movie file or access streaming), but the service and payment processor won’t know who you are. When buying with delivery of course they would require a shipping info and customer name for things like warranty, but the fact what you bought won’t be available to processor like is now with credit cards.
Hope I explained it well. For voting, this is not about voting at all.
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I suggests trying out their demo page (https://demo.taler.net) with the Taler Wallet app. There is an example bank page and an example book store, not the prettiest but can help imagine the vision.