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Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06Q
INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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20/00
Payment architectures, schemes or protocols
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G06Q20/04
Payment circuits
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G06Q20/06
Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
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G06Q20/065
using e-cash
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G06Q20/0658
e-cash managed locally
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