OpenBlock

OpenBlock algorithmically generates one MPC Unit, on-premise for each party: the user, the server, and the cold storage. The three MPC Units are fundamentally different, and, by OpenBlock's technological design, any two can interchangeably parse with each other. When the user logs into OpenBlock on a device storing a validated MPC Unit, the server prompts the user to validate his identity for the server's MPC Unit. With both MPC Units now present, the MPC algorithm parses them to unlock the wallet and sign a signature.