What if we could hot swap our Biometrics?
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914051181772800 |
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| author | Crowcroft, Jon Madhavapeddy, Anil Hicks, Chris Mortier, Richard Mavroudis, Vasilios |
| author_facet | Crowcroft, Jon Madhavapeddy, Anil Hicks, Chris Mortier, Richard Mavroudis, Vasilios |
| contents | What if you could really revoke your actual biometric identity, and install a new one, by live rewriting your biological self? We propose some novel mechanisms for hot swapping identity based in novel biotechnology. We discuss the potential positive use cases, and negative consequences if such technology was to become available and affordable. Biometrics are selected on the basis that they are supposed to be unfakeable, or at least not at reasonable cost. If they become easier to fake, it may be much cheaper to fake someone else's biometrics than it is for you to change your own biometrics if someone does copy yours. This potentially makes biometrics a bad trade-off for the user. At the time of writing, this threat is highly speculative, but we believe it is worth raising and considering the potential consequences. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_17962 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | What if we could hot swap our Biometrics? Crowcroft, Jon Madhavapeddy, Anil Hicks, Chris Mortier, Richard Mavroudis, Vasilios Cryptography and Security J.3 What if you could really revoke your actual biometric identity, and install a new one, by live rewriting your biological self? We propose some novel mechanisms for hot swapping identity based in novel biotechnology. We discuss the potential positive use cases, and negative consequences if such technology was to become available and affordable. Biometrics are selected on the basis that they are supposed to be unfakeable, or at least not at reasonable cost. If they become easier to fake, it may be much cheaper to fake someone else's biometrics than it is for you to change your own biometrics if someone does copy yours. This potentially makes biometrics a bad trade-off for the user. At the time of writing, this threat is highly speculative, but we believe it is worth raising and considering the potential consequences. |
| title | What if we could hot swap our Biometrics? |
| topic | Cryptography and Security J.3 |
| url | https://arxiv.org/abs/2509.17962 |