Cointime

Download App
iOS & Android

Chain Insights: How Zero-Knowledge Proofs Can Enhance Blockchain’s Privacy and Scalability

Validated Project

The rapid pace of digital advancements has had a profound impact on our lives, resulting in a seismic shift in the way we live, work, and communicate. As a result, there has been an unprecedented surge in the amount of personal data generated and stored online. One question that has been on everyone’s mind for decades is “who has access to this vast trove of personal data and how is it being utilized?” The unfortunate reality is that personal data is frequently auctioned off to the highest bidder without the knowledge or consent of the data owners. This poses a significant challenge for individuals and organizations alike.

The two weak links in the chain of trust online are the individuals who have access to sensitive user data, and the unsecured networks used to transfer it. These vulnerabilities create opportunities for malicious actors to access and compromise valuable information. As a result, there is a pressing need for a solution that can address these concerns.

The emergence of ZKP (Zero-Knowledge Proofs), has been gaining momentum in the Web3 space in recent years, and has proven to be a critical protocol for improving the privacy, scalability, and security of Web3 and blockchains.

ZK proofs allow for the verification of a statement without revealing any additional information beyond the truth of the statement itself. This means that transactions can be verified without revealing the identities of the parties involved or any additional details about the transaction. ZK proofs also enable scalability improvements by reducing the amount of data that needs to be processed and stored by blockchain nodes.

By using ZK proofs to verify transactions, blockchain networks can become more efficient, secure, and private, which is essential for the continued growth and adoption of Web3 technologies. ZK proofs have the potential to enable new use cases for blockchain technology, such as secure voting systems, confidential asset swaps, and private identity solutions.

The Need for Privacy and Scalability in the Web3 Environment

Web3 technology is designed to provide users with greater control over their personal data and digital assets by using decentralized protocols that do not rely on central authorities. While this can provide increased privacy compared to traditional web technologies, privacy is not an inherent feature of Web3 and relies on a specific smart contract implementation and use case. Some Web3 applications may prioritize privacy while others may not.

The widespread adoption of blockchain technology has been hindered by two major issues: privacy and scalability. While the blockchain provides transparency and legitimacy to transactions, it also poses a risk to data privacy. On the other hand, scalability issues prevent the blockchain from accommodating a large number of transactions, making it less accessible to a wider audience.

ZK proofs help Web3 become more private by allowing users to verify the truth of a statement without revealing any additional information. This enables transactions to occur in a confidential manner, as only the parties involved in the transaction have access to the transaction details.

In terms of scalability, ZK proofs help by reducing the amount of data that needs to be processed and stored on the blockchain. This is achieved through a process called “batching,” where multiple transactions are combined into a single proof, reducing the computational load on the network. For example, ZK proofs were implemented to create off-chain payment channels such as the Lightning Network, which allows for fast and cheap Bitcoin transactions without the need for on-chain settlement. In addition, ZKPs enable faster and more efficient validation of transactions, which can improve the overall speed and scalability of the network.

The Evolution of ZKPs to ZK-SNARKs

The concept of zero-knowledge proofs was first introduced in the 1980s by researchers in the field of computer science. These proofs are a way to verify a statement without revealing any additional information beyond the truth of the statement itself.

Initially, ZKPs were mainly used in the context of secure computation and authentication protocols. For example, ZKPs could be used to prove that a party has a certain password or private key, without actually revealing the password or key itself.

However, it wasn’t until the development of the ZK-SNARK protocol in 2014 by a team of researchers led by Eli Ben-Sasson, that ZKPs gained significant attention in the crypto space. The ZK-SNARK protocol allows for very efficient and scalable implementation of ZKPs, which makes them practical for use in blockchain applications.

As a part of the highly anticipated Shanghai Upgrade for the Ethereum network in March 2023, developers are working on implementing Zero-Knowledge Succinct Non-Interactive Argument of Knowledge (ZK-SNARKs).

ZK-SNARKs have the potential to make Ethereum more private and efficient, as they allow for the verification of transactions without the need for a full node. With ZK-SNARKs, users can prove that a transaction is valid without revealing any details about the transaction, such as the sender, recipient, or amount sent. This is done by constructing a succinct proof that the transaction is valid, which can be verified by anyone without having to compute the entire transaction.

One of the primary use cases for ZK-SNARKs in Ethereum is in scaling solutions, such as rollups. Rollups are a technique for aggregating transactions off-chain and then submitting a single transaction on-chain that represents the net result of all the off-chain transactions. This greatly reduces the amount of data that needs to be stored on the Ethereum blockchain, which in turn reduces the cost of transaction fees and improves network efficiency.

ZK-SNARKs are also being used to improve the security and privacy of smart contracts on Ethereum. By using ZK-SNARKs, developers can create private smart contracts that are secure from external interference. ZK-SNARKs are useful for high-security real-world applications, like financial transactions on the blockchain, and have been used to create privacy-preserving cryptocurrencies, such as Zcash.

Real World Applications for ZK-Proofs

There are several real-world use cases for ZK Proofs, including:

  1. Privacy-Preserving Transactions: ZK proofs enable parties to prove the correctness of a transaction without revealing any confidential information. This has applications in financial services, where customers can transact without revealing their identities or transaction details.
  2. Supply Chain Management: ZK proofs can be used to verify the authenticity and integrity of goods throughout the supply chain, from raw materials to finished products. This can help prevent fraud and ensure that products meet quality standards.
  3. Decentralized Identity Management: ZK proofs can be utilized to create a secure and decentralized identity system that enables individuals to prove their identity without revealing any unnecessary personal information. This has potential applications in finance, healthcare, and other industries that require secure identity verification.
  4. Voting Systems: ZK proofs can be used to create secure and transparent voting systems that protect the privacy of individual voters while ensuring the integrity of the election results. This has potential applications in both government and corporate settings.

Scale Your DApps From the Ground Up

Zero-knowledge proofs have become an essential tool for enhancing privacy and security on the blockchain. With ZKPs, users can have more ownership and control over their transactions, ensuring that their personal information remains private and secure. As the blockchain industry continues to evolve, the use of ZKPs is likely to become more widespread, as more and more people seek to take advantage of the many benefits they offer.

To fully utilize the various use cases of decentralized technology, Chain, a Web3 software provider, helps companies build decentralized projects from the ground up. Chain offers comprehensive packages that support brands in creating more secure and scalable applications with the latest technology upgrades.

With Chain, innovative brands can easily integrate blockchain technology into their existing infrastructure to manage data and transactions securely. For more information, visit www.chain.com.

Get the latest news here: Cointime channel — https://t.me/cointime_en

Comments

All Comments

Recommended for you

  • Hedge Fund Net Exposure to US Tech Giants Reaches Record High of 22%

    On October 10, according to data from Goldman Sachs and The Kobeissi Letter, investor sentiment towards large tech stocks has reached an all-time high. Hedge fund net exposure to the 'Big Seven' tech giants in the US has risen to 22%, marking a historic peak; this figure has surged by 7 percentage points since July, representing the largest three-month increase in 2023, and surpassing the previous high of 21% set in June 2024 (compared to only 8% during the bear market low in 2022). During the same period, hedge fund net exposure to semiconductor stocks in the US has increased to 12%, slightly below the peak of 14% in June 2026, while this metric was only 2% at the beginning of 2025.

  • Anthropic Reveals Internal Issues: Out-of-Control AI Attempted to Access Multiple Government Websites, Reported to the White House

    Anthropic stated on Friday that its AI agents acted autonomously, attempting to access various federal, state, and local government websites. The company did not disclose which government agencies were involved but confirmed that it has reported these incidents to the White House. In a blog post, Anthropic mentioned that one of its AI models under testing had taken several unauthorized actions, including exploiting a vulnerability on a university website to download data and submitting a form to a government agency that it had been explicitly instructed not to submit. The company noted that it discovered these incidents after beginning a review of the AI's actions in July. Earlier on Friday, the Philadelphia Police Department stated that Anthropic had notified them that its technology had submitted a false homicide tip to the police website.

  • No Flights Departing or Arriving at Riyadh's King Khalid Airport Following Explosion Sounds

    On October 10, according to CCTV International News, witnesses reported that explosion sounds were heard at Terminal 3 of King Khalid International Airport in Riyadh, the capital of Saudi Arabia, this afternoon, leading to the evacuation of personnel from the airport. Flight tracking website 'FlightRadar24' indicates that there are currently no flights departing or arriving at the airport, and some flights heading to Riyadh have been diverted or returned. King Khalid International Airport has issued a traveler advisory, recommending that passengers contact their airlines to confirm flight status before heading to the airport.

  • BTC Surpasses $83,000

    Market data shows that BTC has surpassed $83,000, currently priced at $83,020.19, with a 24-hour decline of 0.2%. The market is experiencing significant fluctuations, so please ensure proper risk management.

  • ETH Surpasses $2500

    Market data shows that ETH has surpassed $2500, currently priced at $2500.03, with a 24-hour increase of 0.33%. The market is experiencing significant fluctuations, so please ensure proper risk management.

  • Houthi Forces Claim Saudi Airstrikes on Sana'a Airport in Yemen

    On October 10, according to information released by the Houthi forces in Yemen, on the afternoon of the same day local time, the Saudi-led coalition conducted airstrikes on Sana'a International Airport, which is under the control of the Houthi forces, dropping four bombs. Additionally, the Saudi coalition also targeted a communication facility in Hajjah Province, controlled by the Houthi forces, dropping three bombs. There has been no response from the Saudi side regarding these incidents. (Jinshi)

  • French Finance Committee Approves Amendments on Stablecoin Exchange Tax and Crypto Exit Tax

    On October 10, Decrypt reported that the Finance Committee of the French National Assembly approved two amendments related to cryptocurrency taxation this week: starting January 1, 2027, exchanges of stablecoins regulated under MiCA will be considered taxable sales; and an exit tax will be imposed on taxpayers who have been French tax residents for at least six of the past ten years and have moved abroad with crypto assets totaling over 800,000 euros. On October 9, the committee voted 31 to 3 to reject the budget revenue portion, and the full National Assembly will review based on the government's original text. The amendments will not be automatically included; supporters must reintroduce them during the debate starting on October 13, with a formal vote scheduled for October 20. The related measures have not yet become law. The stablecoin amendment was proposed by Nicolas Sansu, a member of the left-wing GDR party group, along with 16 co-signers, and does not set a new tax rate but aims to include the revenue under France's existing 31.4% flat tax system. The committee also passed an amendment allowing crypto asset losses to be carried forward for ten years to offset future gains.

  • Luxshare Precision: Company and Luxshare Technology Involved in 337 Investigation, Currently in Initial Filing Stage

    On October 10, Luxshare Precision announced that the company and its holding subsidiary, Dongguan Luxshare Technology Co., Ltd., have been listed as respondents in a 337 investigation by the U.S. International Trade Commission (ITC), involving U.S. Patent US 10,903,700. The ITC officially launched the investigation on October 9, 2026, with investigation number 337-TA-1526. The case is currently in the initial filing stage, and no substantial determination has been made regarding the relevant infringement claims. The products involved are in the customer verification stage and have not yet entered mass production.

  • South Korea's Financial Commission: Shareholding Restrictions for Exchange Major Shareholders Not Targeting Specific Companies

    On October 10, Lee Ik-yeon, chairman of the Financial Services Commission of South Korea, stated that the provisions regarding shareholding restrictions for major shareholders of virtual asset exchanges in the ongoing 'Basic Law on Digital Assets' are not aimed at specific individuals or companies. Instead, they are designed to ensure that exchanges, once institutionalized, bear a higher level of public responsibility. Currently, South Korean virtual asset exchanges operate under a system that requires updates every three years, but this will transition to a licensing system after the implementation of the 'Basic Law on Digital Assets.' Lee emphasized that exchanges have infrastructure attributes and must possess public accountability and responsibility commensurate with their status.

  • 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.