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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Banking

Contactless smart card

A contactless smart card is a contactless credential whose dimensions are credit card size. Its embedded integrated circuits can store (and sometimes process) data and communicate with a terminal via NFC. Commonplace uses include transit tickets, bank cards and passports.

Trading basics

Proximity card

A proximity card or prox card, also known as a key card or keycard, is a contactless card technology that can be read without being inserting into a reader device that was required by earlier developed contact type cards: magnetic stripe cards (credit cards, etc.). They are typically used as keycards for facilities access controls (doors, gates, etc.). In its simplest form, while being h