right|125x125px Mondex was a smart card electronic cash system, implemented as a stored-value card and owned by Mastercard.
right|125x125px Mondex was a smart card electronic cash system, implemented as a stored-value card and owned by Mastercard.
Pioneered by two bankers from NatWest in 1990, it was spun-off to a separate consortium later on, then sold to Mastercard.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).