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Abstract

A method of managing one or more identities in a transaction infrastructure uses a token identity. The user receives a physical token with a token identity known to a transaction authoriser. The user associates one or more transaction identities with the token identity. Before performing a transaction, the user may select one of the transaction identities when there is more than one of them, and identifies the selected transaction identity to the transaction authoriser. The user uses the physical token to perform a transaction with transaction apparatus associated with a transaction acquirer, whereby the transaction acquirer identifies the token identity to the transaction authoriser. The transaction authoriser then determines the selected transaction identity from the token identity, and establishes the transaction between an identity issuer for the selected transaction identity and the transaction acquirer. Suitable apparatus is described. An identity management service adapted to operate as a transaction authoriser is also described, as is use of a token identity as described without need for a physical token in e-commerce transactions.

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First Claim