- 专利标题: CRYPTOGRAPHIC PHYSICAL RANDOM OBJECT
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申请号: US17381504申请日: 2021-07-21
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公开(公告)号: US20220027912A1公开(公告)日: 2022-01-27
- 发明人: David CHAUM
- 申请人: David CHAUM
- 申请人地址: US CA Sherman Oaks
- 专利权人: David CHAUM
- 当前专利权人: David CHAUM
- 当前专利权人地址: US CA Sherman Oaks
- 主分类号: G06Q20/40
- IPC分类号: G06Q20/40 ; H04L9/32 ; G06K19/04 ; G06Q20/38
摘要:
A value transfer system with physical tokens including indicia hiding means and indica substantially hidden by the hiding means and the hiding being substantially removable is improved by providing a plurality of regions with substantially removable hiding means, with the hiding means substantially hiding respective indicia. The indicia information is substantially unpredictable. As part of the system, a first party provides digitally to at least a second party first transaction information at least including a provenience signature ensemble, with the signature ensemble including at least indication of the regions with hiding removed.
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