US Patent 11521194 Trusted service manager (TSM) architectures and methods

A client device comprises a first secure element and a second secure element. The first secure element comprises a first computer-readable medium having a payment application comprising instructions for causing the client device to initiate a financial transaction. The second secure element comprises a second computer-readable medium having a security key, a payment instrument, stored authentication data and instructions for generating a secure payment information message responsive to the payment application. The secure payment information message comprises the payment instrument and is encrypted in accordance with the security key.