XPAY KNOWLEDGE
Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Payments & settlement
Scrip
A scrip is any substitute for legal tender.
Payments & settlementSpeedpass
Speedpass was a keychain radio-frequency identification (RFID) device introduced in 1997 by Mobil (which merged with Exxon to become ExxonMobil in 1999) for electronic payment. It was originally developed by Verifone. By 2004, more than seven million people possessed Speedpass tags, which could be used at approximately 10,000 Exxon, Mobil and Esso gas stations worldwide.
Payments & settlementVoucher
A voucher is a bond which is worth a certain monetary value and which may be redeemed only for specific reasons or on specific goods.