In the era of AI,especially large models,the importance of open source has become increasingly prominent.First,open source allows innovation to avoid starting from scratch.Through iterative innovation,it promotes tech...In the era of AI,especially large models,the importance of open source has become increasingly prominent.First,open source allows innovation to avoid starting from scratch.Through iterative innovation,it promotes technical exchanges and learning globally.Second,resources required for large model R&D are difficult for a single institution to obtain.The evaluation of general large models also requires the participation of experts from various industries.Third,without open source collaboration,it is difficult to form a unified upper-layer software ecosystem.Therefore,open source has become an important cooperation mechanism to promote the development of AI and large models.There are two cases to illustrate how open source and international standards interact with each other.展开更多
With the rapid spread of Internet technology,e-commerce is gradually becoming an integral part of the modern business models.The e-commerce transactions should obey integrity,authentication,nonrepudiation,traceability...With the rapid spread of Internet technology,e-commerce is gradually becoming an integral part of the modern business models.The e-commerce transactions should obey integrity,authentication,nonrepudiation,traceability,and impartiality.Here,we propose and demonstrate a complete continuous-variable quantum e-commerce scheme,which involves subscription,payment,transport,and reception protocols among five parties.To this end,a simple,efficient quantum digital payment scheme is proposed.Furthermore,we streamline the entire e-commerce process by eliminating the private amplification step in the pre-distribution of keys.We achieve a contract signing rate of 1.51×10^(3)times per second for a 33 kilobits contract,and a payment rate of 2.70×10^(3)times per second over 80 km of single-mode fiber.Our results can support 411 times complete transactions per second,including three contract signings and two separate monetary payments.The proposed scheme takes into account the compatibility with existing e-commerce platforms to ensure a smooth transition and provides a practical solution for quantum e-commerce at metropolitan distances.展开更多
文摘In the era of AI,especially large models,the importance of open source has become increasingly prominent.First,open source allows innovation to avoid starting from scratch.Through iterative innovation,it promotes technical exchanges and learning globally.Second,resources required for large model R&D are difficult for a single institution to obtain.The evaluation of general large models also requires the participation of experts from various industries.Third,without open source collaboration,it is difficult to form a unified upper-layer software ecosystem.Therefore,open source has become an important cooperation mechanism to promote the development of AI and large models.There are two cases to illustrate how open source and international standards interact with each other.
基金National Natural Science Foundation of China(62175138,62205188)Shanxi 1331KSCInnovation Program for Quantum Science and Technology(2021ZD0300703)。
文摘With the rapid spread of Internet technology,e-commerce is gradually becoming an integral part of the modern business models.The e-commerce transactions should obey integrity,authentication,nonrepudiation,traceability,and impartiality.Here,we propose and demonstrate a complete continuous-variable quantum e-commerce scheme,which involves subscription,payment,transport,and reception protocols among five parties.To this end,a simple,efficient quantum digital payment scheme is proposed.Furthermore,we streamline the entire e-commerce process by eliminating the private amplification step in the pre-distribution of keys.We achieve a contract signing rate of 1.51×10^(3)times per second for a 33 kilobits contract,and a payment rate of 2.70×10^(3)times per second over 80 km of single-mode fiber.Our results can support 411 times complete transactions per second,including three contract signings and two separate monetary payments.The proposed scheme takes into account the compatibility with existing e-commerce platforms to ensure a smooth transition and provides a practical solution for quantum e-commerce at metropolitan distances.
