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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2308.15787 |
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| _version_ | 1866914716538896384 |
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| author | Hupel, Lars Rafiee, Makan |
| author_facet | Hupel, Lars Rafiee, Makan |
| contents | Central Bank Digital Currency (CBDC) is an emerging trend in digital payments, with the vast majority of central banks around the world researching, piloting, or even operating a digital version of cash. While design choices differ broadly, such as accounts vs. tokens, the wallets are generally protected through cryptographic algorithms that safeguard against double spending and ensure non-repudiation. With the advent of quantum computing, these algorithms are threatened by new attack vectors. To better understand those threats, we conducted a study of typical assets in a CBDC system, describe which ones are most amenable to post-quantum cryptography, and propose an upgrade strategy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_15787 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | How does post-quantum cryptography affect Central Bank Digital Currency? Hupel, Lars Rafiee, Makan Cryptography and Security Central Bank Digital Currency (CBDC) is an emerging trend in digital payments, with the vast majority of central banks around the world researching, piloting, or even operating a digital version of cash. While design choices differ broadly, such as accounts vs. tokens, the wallets are generally protected through cryptographic algorithms that safeguard against double spending and ensure non-repudiation. With the advent of quantum computing, these algorithms are threatened by new attack vectors. To better understand those threats, we conducted a study of typical assets in a CBDC system, describe which ones are most amenable to post-quantum cryptography, and propose an upgrade strategy. |
| title | How does post-quantum cryptography affect Central Bank Digital Currency? |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2308.15787 |