Blockchain’s inherent transparency, while beneficial for validation and trust, poses significant privacy concerns. Traditional transactions on public blockchains are permanently visible, compromising user privacy. This visibility has been a double-edged sword, providing transparency but at the cost of personal data exposure. A new protocol called Privacy Pools offers a potential solution to the seemingly contradictory goals of blockchain privacy and regulatory compliance.
In a recent study ( doi: https://doi.org/10.1016/j.bcra.2023.100176 ) published in Blockchain: Research and Applications on 21 February 2023, contributed by Vitalik Buterin (co-founders of Ethereum), Jacob Illum, Matthias Nadler, Fabian Schär, and Ameen Soleimani. The researchers have developed a protocol called „Privacy Pools“ that enhances privacy on blockchain transactions while complying with regulatory standards. This new smart contract-based protocol enables users to prove specific attributes of their transactions without exposing their entire history, maintaining both privacy and transparency.
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