Method and system for tranferring chiper real right

摘要

The present invention relates to a method and system for transferring property right from a property-right-transferor to a property-right-transferee. A property-right-changer makes a digital signature for the digital secrets of the property-right-transferor and the information related to the property right to be transferred, or makes a digital signature for the digital secrets of both the property-right-transferor and the property-right-transferee and the information related to the property right to be transferred, and generates a encoded-property-right which is then provided to the property-right-transferee. After verifying, the property-right-transferee provides a consideration to the property-right-transferor. Then, the property-right-transferor discloses his secrets to the property-right-transferee. The property-right-transferee submits the encoded-property-right to the property-right-changer and discloses all the secrets included in the encoded-property-right. Then, after verifying, the property-right-changer shall transfer the property right to the property-right-transferee.