Abstract: Provided herein are methods of producing natural killer cells using a two-step expansion and differentiation method. Also provided herein are methods of suppressing tumor cell proliferation, of treating individuals having cancer or a viral infection, comprising administering the NK cells produced by the method to an individual having the cancer or viral infection.

Abstract: Provided herein are methods of treating individuals having diseases or disorders of the circulatory system, using placental cells, e.g., the placental stem cells and placental multipotent cells (PDACs) described herein, and populations of such placental cells. The invention also provides methods of angiogenesis using such cells or populations of cells comprising such cells.

Abstract: Provided herein are novel angiogenic cells from amnion, referred to as amnion derived adherent cells, and populations of, and compositions comprising, such cells. Further provided herein are methods of obtaining such cells and methods of using the cells in the treatment of individuals.

Abstract: A system and method are configured for online creation and delivery of tokens. In one embodiment, a first party sends a request for token generation to a second party. The second party sends a retrieval link to the first party through a first network. The first party sends a retrieval request following the retrieval link to the second party. Upon receiving the retrieval request, the second party generates the token and sends through a second network to the first party.

Abstract: A communication system and method are configured for mutual authentication between two parties. In one embodiment a first party generates a first one-time password and sends it to a second party. The second party authenticates the first party by generating a one-time password using the same algorithm, secrets and parameters and matching it with the received first one-time password. If the received first one-time password matches with a generated password, the second party generates a consecutive one-time password, and sends it to the first party. The first party authenticates the consecutive one-time password by generating a one-time password consecutive to the first one-time password and matching with the received consecutive one-time password. If they match, the mutual authentication is completed successfully.

Abstract: An asynchronous communication system and method are configured for secured communication between a sender and a recipient without a need for pre-arrangement of shared static encryption key secrets. In one embodiment a system receives an initiation request for authentication from a sender seeking to transmit a message. The system generates an asymmetric key set, which includes a private key and a public key associated with a key reference. The system stores the private key with the key reference and transmits the public key to the sender. The sender uses the public key to encrypt the message to be sent to the recipient. The system will then receive a request for the private key from a recipient of the encrypted message. The system will authenticate the recipient identity. Once authenticated, the system transmits the private key to the recipient, which uses the private key to decrypt the encrypted message.

Abstract: A system (and a method) for electronic financial transactions includes at least of each of a sender having an electronic wallet, a recipient having an electronic wallet, a sending bank having a host application system and an authentication server, a receiving bank having a host application system and an authentication server, and a wallet management center with a host application system and an authentication server. The sender uses its electronic wallet to send an encrypted payment instruction directly to the electronic wallet of the recipient. The recipient can accept the payment by performing a second level encryption of the payment instruction for submission to the wallet management center for authentication. Once authenticated, the wallet management center immediately notifies the recipient and submits payment instructions for clearing by the corresponding sending and receiving banks. Payment authorization is authenticated directly by the sending bank without involvement of the wallet management center.

Abstract: A system (and a method) for electronic financial transactions includes a sender and a recipient each having an electronic wallet, a sending bank and a receiving bank each having a host application system and an authentication server, and a wallet management center with a host application system and an authentication server. The sender uses its electronic wallet to send an encrypted payment instruction directly to the electronic wallet of the recipient. The recipient can perform a second level encryption of the instruction for submission to the wallet management center for authentication. Once authenticated, the wallet management center notifies the recipient and submits payment instructions for clearing by the corresponding sending and receiving banks. Payment authorization is authenticated directly by the sending bank without involvement of the wallet management center. For enhanced usability, payment details may be originated from the recipient to the sender using proximity or online messaging.

Abstract: An authentication method for use between a first party and a second party for performing a transaction, includes establishing a second communication path and sending by the first party of an approval code via the second communication path receiving by the second party of the approval code; establishing a first communication path by the first party to the second party for performing authentication and then the transaction; and authenticating the first party by the second party via the first communication path using the received approval code before performing the transaction.