CPC Subgroup
G06Q 20/02 involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
Full Title
Payment architectures, schemes or protocols (apparatus for performing or posting payment transactions G07F7/08, G07F19/00; electronic cash registers G07G1/12) > involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
2 direct subcodes
Child Classifications
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