| 摘要 |
A coin share generator (5) is employed in a system for performing a threshold coin tossing scheme. The coin share generator (5) comprises a coin determining unit (6) for determining a coin value, and a coin share generating unit (7) for generating a coin share based on a coin value and a private key associated with a set of attributes, to obtain a coin share associated with the set of attributes. The system further comprises a coin share verifier (8) that has a coin share determining unit (9) for determining a coin share to be verified, wherein the coin share is associated with a set of attributes, and a coin share verifying unit (10) for verifying a validity of the coin share, taking into account the set of attributes associated with the coin share. |
