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Tristan Greene5 hours agoHSBC trialing quantum-safe financial transaction network in the UKThe venerable British bank became the first to join BT (formerly British Telecom) and Toshiba’s secure quantum “metro” network in the United Kingdom.1049 Total views1 Total sharesListen to article 0:00NewsJoin us on social networksLondon–based HSBC, the eighth-largest bank in the world, will conduct a series of trials and experiments utitlizing quantum encryption technology in collaboration with Amazon Web Services, BT and Toshiba.


HSBC is the first bank to commit to trials on the new quantum “metro” network, a secure transaction system that utilizes unbreakable encryption to secure transactions via quantum cryptography.


Developed by Toshiba in partnership with telecom giant BT, the quantum metro network is designed to allow unconditionally secure transactions between institutions. HSBC will trial several use cases on the network, including financial transactions, video calls and edge computing.


One of the key quantum tech uses HSBC will experiment with is called “quantum key distribution” (QKD). This is essentially the secret sauce that allows two parties separated by distance to send information to one another in a secure manner.


QKDs are one-off encryption keys generated for both parties at the same time. Thanks to what Albert Einstein deemed “spooky action at a distance,” quantum states tend to collapse when measured. Thus, quantum data is deemed impenetrable. 


For the purposes of QKD, this means any attempt by an external party to view, eavesdrop, intercept or modify an equipped transaction would be instantly detectable by both parties.


Related:Researchers demonstrate ‘unconditionally secure’ quantum digital payments


Currently, there are technological limitations on the distance QKDs can be sent. When people send classical data — information meant for use by a traditional, non-quantum computer — over long distances through fiber optics, people can boost the signal strength of the photons carrying the data. 


However, photons carrying quantum data cannot be boosted, and they suffer from exponential loss due to the "noisy” nature of quantum information. This means that the longer the fiber optic network is, the less likely quantum data will survive transmission. Theoretically, the current limits can be overcome using higher-intensity photons, but scientists are just beginning to develop these solutions. 


Scientists in China, for example, published research in May 2023 indicating they’d successfully sent QKDs across 1,000 kilometers (621 miles) of fiber optic cable, a new world record for non-relay QKD.


The HSBC trials being conducted on the BT-Toshiba metro network won’t need that much runway, though. Per the announcement, the tests will occur over 62 kilometers (38 miles) of fiber optic cables in England, connecting the bank’s global headquarters in Canary Wharf to a data center in Berkshire.# HSBC# Business# Fintech# Encryption# Quantum ComputingAdd reactionAdd reactionRelated NewsWhat are fan tokens, and how do they work?Open source: Buzzword or real security for crypto wallets?Universities use blockchain-based storage to protect and democratize dataSequoia Capital announces three-way split to separate China businessUK to get ‘early or priority access’ to AI models from Google and OpenAINifty News: Queen, HSBC filings hint at NFTs, Yuga teases robot game and more

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