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Digital assets and currencies

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

Trading basics

Calypso (electronic ticketing system)

Calypso is an international electronic ticketing standard for microprocessor contactless smart cards, originally designed by a group of transit operators from 11 countries including Belgium, Canada, France, Germany, Italy, Latvia, México, Portugal and others. It ensures multi-sources of compatible products, and allows for interoperability between several transport operators in the same a

Trading basics

CIPURSE

CIPURSE is an open security standard for transit fare collection systems. It makes use of smart card technologies and additional security measures.

Trading basics

ORCA card

The ORCA card (standing for One Regional Card for All) is a contactless, stored-value fare and smart card system for public transit in the Puget Sound region of Washington, United States. It is valid on most transit systems in the Seattle metropolitan area, including Sound Transit, local bus agencies, Washington State Ferries, the King County Water Taxi, and Kitsap Fast Ferries. The ORCA