Abstract: The present invention relates to a method, apparatus, and system for communication with a user's family members using the DNA of the user without making the DNA profile public. According to a first aspect, there is provided a computer implemented method of locating one or more members of a familial network, comprising the steps of: generating one or more encryption keys derived from a first genomic sequence; encrypting a message using the or each encryption key to form an encrypted message; sending the encrypted message to one or more remote devices wherein decrypting the encrypted message at the one or more remote devices uses one or more encryption keys derived from a second genomic sequence; and receiving a confirmation regarding whether the decryption of the encrypted message was successful by any of the one or more remote devices.

Abstract: The present invention relates to a method, apparatus, and system for communication with a user's family members using the DNA of the user without making the DNA profile public. According to a first aspect, there is provided a computer implemented method of locating one or more members of a familial network, comprising the steps of: generating one or more encryption keys derived from a first genomic sequence; encrypting a message using the or each encryption key to form an encrypted message; sending the encrypted message to one or more remote devices wherein decrypting the encrypted message at the one or more remote devices uses one or more encryption keys derived from a second genomic sequence; and receiving a confirmation regarding whether the decryption of the encrypted message was successful by any of the one or more remote devices.