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Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Trading basics
Freedom Card
The Freedom Card, stylized as FREEDOM Card, is a contactless smartcard fare collection system used by the PATCO Speedline in New Jersey and Philadelphia.
Trading basicsSEPTA Key
The SEPTA Key card is a smart card that is used for automated fare collection on the SEPTA public transportation network in the Philadelphia metropolitan area. It can be used throughout SEPTA's transit system, including buses and SEPTA Metro, and on Regional Rail.