Payment architectures, schemes or protocols (apparatus for performing or posting payment transactions G07F7/08, G07F19/00; electronic cash registers G07G1/12)

Child Classifications

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• G06Q 20/02 involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
• G06Q 20/04 Payment circuits
• G06Q 20/08 Payment architectures
• G06Q 20/22 Payment schemes or models
• G06Q 20/30 characterised by the use of specific devices
• G06Q 20/38 Payment protocols; Details thereof