Authorization
The new Directive defines strong authentication as a set of procedures based on the use of at least two of the following three components:
Something only the payer knows: For example, a password, personal identification code (PIN), etc.;
Something only the payer possesses: For example, a token, mobile phone, chip card, etc.;
Something the person is: For example, a biometric element such as the payer’s fingerprint or voice.

RESOURCES
https://www.banque-france.fr/system/files/2023-04/payments_market.pdf
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