138
Europe’s $24 Trillion Breakup With Visa and Mastercard Has Begun
(europeanbusinessmagazine.com)
This is a most excellent place for technology news and articles.
What is GNU Taler?
A system that guarantees privacy for the consumer but transparency for the seller (to avoid tax fraud). But It's basically a digital wallet for the consumer. If you lose control of the wallet, you lose the money on it.