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New research from the Bank of England suggests that emerging privacy technologies such as zero-knowledge proofs could enhance user control over data in a digital pound. 
The <a href="https://crypto.news/tag/bank-of-england/" target="_blank">Bank of England</a> has suggested that zero-knowledge proofs and other privacy-enhancing technologies — also known as PTEs — could be viable components of a potential digital pound. 
In its latest <a href="http://www.bankofengland.co.uk/-/media/boe/files/digital-pound/mit-report-enhancing-the-privacy-of-a-digital-pound.pdf?data=h8wged87cryp44to8t77w78news9923" target="_blank" rel="nofollow">report</a> called “Enhancing the Privacy of a Digital Pound,” the central bank said that such technologies as pseudonymization, ZK-proofs, and secure multiparty computing, “might feasibly be applied to digital currency systems such as the digital pound to minimize the sharing of data both with the central bank and between payment intermediaries, giving users greater control over their data and enhancing user privacy.” 
<blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow"> 
 “This presents opportunities for a digital pound to be at least as private as current forms of digital money and potentially even more private, although as with any technology, there are limitations to what emerging types of PETs can achieve.” 
 The Bank of England 
</blockquote> 
Following public feedback from its 2023 consultation, the Bank of England and HM Treasury reaffirmed their commitment to safeguarding user privacy, reassuring that neither the government nor the central bank would have access to users’ personal data. 
ZK-proof is a cryptographic protocol that enables one party to prove they know something without revealing the actual information. The technology is actively being used in blockchains like Ethereum (<a href="https://crypto.news/price/ethereum/" target="_blank">ETH</a>), Zcash (<a href="https://crypto.news/price/zcash/" target="_blank">ZEC</a>), and Polygon (<a href="https://crypto.news/price/pol-ex-matic/" target="_blank">POL</a>) for privacy and scaling solutions. 
 You might also like: <a rel="" href="https://crypto.news/bank-of-england-rolls-out-consultation-paper-for-wholesale-cbdc/"> Bank of England rolls out consultation paper for wholesale CBDC </a> 
Collaborating with the Massachusetts Institute of Technology’s Digital Currency Initiative, the British central bank has explored the potential of emerging PETs, yet still acknowledged their limitations and trade-offs, particularly in balancing privacy with regulatory compliance. 
“Tensions may also emerge between regulations that require the disclosure of data and the latitude to deploy PETs,” the report stated, underscoring the need for further research to address these challenges. 
The Bank of England began its exploration of a digital pound in 2020, when it established a task force to evaluate the potential design and implications of a central bank digital currency. However, public consultations and detailed assessments have been ongoing since early 2021, with the central bank emphasizing the importance of adapting to technological advances in payments and the declining use of cash. The bank has yet to make a final decision on launching its digital currency. 
 Read more: <a rel="" href="https://crypto.news/experts-back-boes-privacy-focused-approach-in-digital-pound-proposal/"> Experts back BoE’s privacy-focused approach in digital pound proposal </a>

Bank of England studies ZK-proofs to enhance user privacy for digital pound

crypto.news

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