ELECTRONIC MONEY SYSTEM, METHOD FOR TRANSFERRING MESSAGES IN ELECTRONIC MONEY SYSTEM, METHOD FOR MAKING PAYMENTS, METHOD FOR RETURNING LOST MONEY, METHOD FOR PROTECTION FROM BEING HACKED, METHOD FOR RETURNING MONEY FROM DAMAGED ELECTRONIC MONEY MODULES Russian patent published in 2005 - IPC
Abstract RU 2260207 C2
FIELD: electric engineering.
SUBSTANCE: system has emission center and electronic money modules. Methods describe operation of said system.