Cointime

Cointime

Download App
iOS & Android

zkPass: Decentralized Social Identity Infrastructure based on MPC and ZKP

Cointime Official

With the development of Web3, we are witnessing the rise of a decentralized society. In this society, everyone has complete control over their private data and can interact with the Web3 ecosystem in a secure, efficient, and trustworthy manner. To achieve this vision, we have introduced zkPass, a privacy-preserving identity protocol based on secure multi-party computation (MPC) and zero-knowledge proofs (ZKP).

Project Overview

zkPass is a privacy protection protocol for verifying private data. It is based on MPC, ZKP, and three-party TLS. zkPass allows users to selectively prove their verifiable data in Web2 and Web3 to third parties, including legal identities, financial data, medical records, social data, work experience, educational credentials, and skills, without the need to upload files or disclose any personal privacy details. It is worth mentioning that zkPass stood out among more than 900 projects, winning the first prize in binance Labs' buildtheblock and receiving investment from Binance.

Working Principles

The zkPass protocol operates based on two key technologies: MPC-TLS and ZKP. MPC (Secure Multi-Party Computation) enables multiple participants to jointly perform computations without compromising their privacy, while revealing the results to one or all participants. ZKP (Zero-Knowledge Proof) allows the prover to convince the verifier of a statement's truthfulness without disclosing any sensitive information.

Key Technologies - MPC-TLS & ZKP

  • TLS: The Transport Layer Security protocol provides confidentiality and data integrity between two communicating entities. TLS is a cornerstone of communication in the network world.
  • MPC (Multi-Party Computation) enables multiple participants to collaboratively perform computations without compromising their privacy and disclose the results to one or all participants. This is primarily achieved using the Yao's garbled circuit protocol and Oblivious Transfer protocol. Additionally, zkPass is leveraging the latest research papers to optimize the efficiency of MPC, such as "Half Gate," "Silent OT," and "Vector-OLE."
  • ZKP (Zero-Knowledge Proof) allows a prover to convince a verifier that a statement is true without revealing any sensitive information to the verifier. Its specific implementation is based on zk-SNARK. zkPass is currently optimizing ZKP to be interactive and efficient, meaning it can generate ZKP in just a few seconds.

User Flow

Users (verifiers) no longer need to upload documents or share personal information with third parties. Users can locally generate zero-knowledge proofs by accessing various trusted data sources (such as Australia's MyGovID or Singapore's Singpass) and provide responses to on-chain smart contracts. During this process, the MPC nodes of the zkPass protocol acquire a shared mac_key to ensure the integrity, authenticity, and validity of the data.

Main Features

zkPass has the following main features:

  1. Privacy Protection: zkPass uses zero-knowledge proofs to enable users to share their data without disclosing sensitive information.
  2. Verifiability: zkPass leverages verifiable zkSBTs to ensure data integrity and verifiability.
  3. Compatibility: zkPass is compatible with a wide range of data sources from Web2 and Web3 applications, making integration with existing systems easy.
  4. Anti-cheating: zkPass incorporates advanced anti-cheating mechanisms to prevent fraud and abuse.

Application Scenarios

The versatility of zkPass makes it suitable for a wide range of industries. It is compatible with all data sources of Web2 HTTPS websites and Web3 applications, allowing seamless integration with existing systems without requiring any changes on the data source side. Potential application scenarios for zkPass include, but are not limited to: zkKYC, healthcare, education, decentralized due diligence, social networks, gaming, finance, and supply chain management.

- Online identity verification: With zkPass, users can easily verify their identity online without revealing personal information, which helps prevent identity theft and protect privacy.

- Social applications: With zkPass, users can anonymously prove the authenticity of their age, personal information, and profiles without disclosing sensitive personal data.

- Decentralized finance: zkPass can be used to verify identities and credentials for DeFi applications, ensuring that only authorized parties can access sensitive financial data.

- Job applications: zkPass can verify the qualifications, education, and experience of job applicants without disclosing personal information.

- Online marketplaces: zkPass can be used to verify the authenticity of sellers and buyers, or publishers and applicants, on online marketplaces, preventing fraud and abuse.

Summary

Imagine a world where your personal information no longer needs to pass through numerous data brokers or third parties, but instead remains in your own hands. It's a world that respects privacy, ensures data security, authenticity, and verifiability. This is the world zkPass is creating.

zkPass is more than just an identity verification tool; it is the foundation of a decentralized society. By leveraging MPC and ZKP technologies, zkPass allows users to selectively share their verifiable data with third parties without disclosing sensitive information. Companies and individuals can verify identities and credentials without compromising personal data.

The versatility and compatibility of zkPass make it a valuable tool across various industries. From financial institutions to healthcare providers, zkPass can be used for secure and privacy-preserving identity verification. Furthermore, with its advanced anti-cheating mechanisms, zkPass ensures tamper-proof and fraud-free data.

The future is decentralized, and zkPass is leading the way. With its privacy-enhancing technology and secure verification methods, zkPass is creating a world where individuals have control over their own data and privacy is respected.

Web3
Comments

All Comments

Recommended for you

  • U.S. Congressman Mike Flood: Looking forward to working with the next SEC Chairman to revoke the anti-crypto banking policy SAB 121

     US House of Representatives will investigate Representative Mike Flood's recent statement: "Despite widespread opposition, SAB 121 is still operating as a regulation, even though it has never gone through the normal Administrative Procedure Act process." Flood said, "I look forward to working with the next SEC chairman to revoke SAB 121. Whether Chairman Gary Gensler resigns on his own or President Trump fulfills his promise to dismiss Gensler, the new government has an excellent opportunity to usher in a new era after Gensler's departure." He added, "It's not surprising that Gensler opposed the digital asset regulatory framework passed by the House on a bipartisan basis earlier this year. 71 Democrats and House Republicans passed this common-sense framework together. Although the Democratic-led Senate rejected it, it represented a breakthrough moment for cryptocurrency and may provide information for the work of the unified Republican government when the next Congress begins in January next year."

  • Indian billionaire Adani summoned by US SEC to explain position on bribery case

    Indian billionaire Gautam Adani and his nephew, Sahil Adani, have been subpoenaed by the US Securities and Exchange Commission (SEC) to explain allegations of paying over $250 million in bribes to win solar power contracts. According to the Press Trust of India (PTI), the subpoena has been delivered to the Adani family's residence in Ahmedabad, a city in western India, and they have been given 21 days to respond. The notice, issued on November 21 by the Eastern District Court of New York, states that if the Adani family fails to respond on time, a default judgment will be made against them.

  • U.S. Congressman: SEC Commissioner Hester Peirce may become the new acting chairman of the SEC

    US Congressman French Hill revealed at the North American Blockchain Summit (NABS) that Republican SEC Commissioner Hester Peirce is "likely" to become the new acting chair of the US Securities and Exchange Commission (SEC). He noted that current chair Gary Gensler will step down on January 20, 2025, and the Republican Party will take over the SEC, with Peirce expected to succeed him.

  • Tether spokesperson: The relationship with Cantor is purely business, and the claim that Lutnick influenced regulatory actions is pure nonsense

     a spokesperson for Tether stated: "The relationship between Tether and Cantor Fitzgerald is purely a business relationship based on managing reserves. Claims that Howard Lutnick's joining the transition team in some way implies an influence on regulatory actions are baseless."

  • Bitwise CEO warns that ETHW is not suitable for all investors and has high risks and high volatility

    Hunter Horsley, CEO of Bitwise, posted on X platform that he was happy to see capital inflows into Bitwise's Ethereum exchange-traded fund ETHW, iShares, and Fidelity this Friday. He reminded that ETHW is not a registered investment company under the U.S. Investment Company Act of 1940 and therefore is not protected by the law. ETHW is not suitable for all investors due to its high risk and volatility.

  • Musk said he liked the "WOULD" meme, and the related tokens rose 400 times in a short period of time

    Musk posted a picture on his social media platform saying he likes the "WOULD" meme. As a result, the meme coin with the same name briefly surged. According to GMGN data, the meme coin with the same name created 123 days ago surged over 400 times in a short period of time, with a current market value of 4.5 million US dollars. Reminder to users: Meme coins have no practical use cases, prices are highly volatile, and investment should be cautious.

  • Victory Securities: Funding Rates halved and fell, Bitcoin's short-term direction is not one-sided

    Zhou Lele, the Vice Chief Operating Officer of Victory Securities, analyzed that the macro and high-level negative impact risks in the cryptocurrency market have passed. The risks are now more focused on expected realization, such as the American entrepreneur Musk and the American "Efficiency Department" (DOGE) led by Ramaswamy. After media reports, the increase in Dogecoin ($DOGE) was only 5.7%, while Dogecoin rose by 83% in the week when the US election results were announced. Last week, the net inflow of off-exchange Bitcoin ETF was US$1.67 billion, and the holdings of exchange contracts and CME contracts remained high, but the funding rates halved and fell back, indicating that the direction of Bitcoin in the short term is not one-sided, and bears are also accumulating strength.

  • ECB board member Villeroy: Falling inflation allows ECB to cut interest rates

     ECB board member Villeroy de Galhau said in an interview that the decline in inflation allows the ECB to lower interest rates. In addition, the slow pace of price increases compared to average wages is also a factor in the rate cut. Villeroy de Galhau emphasized that the ECB's interest rate policy decision is independent of the Fed. Evidence shows that the ECB began to lower interest rates in early June, while the Fed lowered interest rates three months later. With the decline in inflation, we will be able to continue to lower interest rates. Currently, the market generally expects the ECB to cut interest rates by 25 basis points at the next meeting in December, but weaker data increases the possibility of a 50 basis point cut.

  • State Street warns Bitcoin craze could distract gold investors

    George Milling-Stanley, the head of gold strategy at Dominion Bank, warned that the rise of Bitcoin may mislead investors to overlook the stability of gold. He believes that Bitcoin is more like a return-driven investment, while gold provides long-term stability. He also criticized Bitcoin promoters for misleading the market by using the term "mining," and believes that gold is still a more reliable investment choice.

  • Web3 data and AI company Validation Cloud completes $10 million in new round of financing

     Web3 data and AI company Validation Cloud announced a $10 million financing round from True Global Ventures. The company plans to use the funds to expand its AI products and achieve seamless access to Web3 data.

Daily Must-Read

Popular Activities

Delysium $AGI & AI Private Yacht Party

Delysium $AGI & AI Private Yacht Party

March 27 - March 27
Seoul

Popular Tags

Cointime
News
Contents
RSS
Company