Patent ID: 11908273
Assignee: SEAL NETWORK B.V.
Field: Furniture, games (Other fields)
Classification: CPC G  A | IPC G

Claim 15:
16. A playing card authentication server for verifying the authenticity of a playing card, the playing card authentication server comprising:
an electronic memory for storing authentication data and a counter, wherein the authentication data stored in the playing card authentication server comprises the public key of the public/private key pair, and/or a symmetric key,
a communication unit configured to communicate over a computer network with a playing card authentication device,
a processing circuit configured to
receive from the playing card authentication device an authentication token,
verify the authentication token with the counter and authentication data stored in the memory of the playing card authentication server, and
if the verification succeeded, sending information indicating the authenticity to the playing card authentication device, and increase the counter in the memory of the playing card authentication server.