An electronic device comprising: a memory configured to store biometric authentication key information including public key of one or more external electronic devices and one or more identification information corresponding to each of the one or more external electronic devices, the one or more external electronic devices comprising sensors configured to acquire biometric data for biometric authentication; and a processor, wherein the processor is configured to: receive a request related with authentication, select at least one external electronic device from among the one or more external electronic devices for the authentication, transmit a request signal for authentication to the selected at least one external electronic device, using at least one identification information corresponding to the at least one external electronic device from among the one or more identification information corresponding to the at least one external electronic device, wherein the request signal comprises first authentication data that is encrypted based on the stored public key of the selected at least one external electronic device, receive, from the selected at least one external electronic device, a response signal that is generated based on biometric authentication performed by at least one external electronic device, wherein the response signal comprises second authentication data and the public key, compare the stored public key and the public key included in the response signal, and perform the authentication, based at least on a result of comparison between the first authentication data and the second authentication data based on the comparison of the stored public key and the public key included in the response signal. a memory configured to store biometric authentication key information including public key of one or more external electronic devices and one or more identification information corresponding to each of the one or more external electronic devices, the one or more external electronic devices comprising sensors configured to acquire biometric data for biometric authentication; and a processor, wherein the processor is configured to: receive a request related with authentication, select at least one external electronic device from among the one or more external electronic devices for the authentication, transmit a request signal for authentication to the selected at least one external electronic device, using at least one identification information corresponding to the at least one external electronic device from among the one or more identification information corresponding to the at least one external electronic device, wherein the request signal comprises first authentication data that is encrypted based on the stored public key of the selected at least one external electronic device, receive, from the selected at least one external electronic device, a response signal that is generated based on biometric authentication performed by at least one external electronic device, wherein the response signal comprises second authentication data and the public key, compare the stored public key and the public key included in the response signal, and perform the authentication, based at least on a result of comparison between the first authentication data and the second authentication data based on the comparison of the stored public key and the public key included in the response signal. receive a request related with authentication, select at least one external electronic device from among the one or more external electronic devices for the authentication, transmit a request signal for authentication to the selected at least one external electronic device, using at least one identification information corresponding to the at least one external electronic device from among the one or more identification information corresponding to the at least one external electronic device, wherein the request signal comprises first authentication data that is encrypted based on the stored public key of the selected at least one external electronic device, receive, from the selected at least one external electronic device, a response signal that is generated based on biometric authentication performed by at least one external electronic device, wherein the response signal comprises second authentication data and the public key, compare the stored public key and the public key included in the response signal, and perform the authentication, based at least on a result of comparison between the first authentication data and the second authentication data based on the comparison of the stored public key and the public key included in the response signal.