International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 07 | Jul 2024
p-ISSN: 2395-0072
www.irjet.net
Innovations and Challenges in Balancing Blockchain Transparency and Privacy Varsha Venkatesh1 1Independent Researcher, Karnataka, India
---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Blockchain technology is known for being open
(ZKPs), Ring Signatures, and Confidential Transactions that have been created to improve privacy while keeping blockchain systems effective and reliable [10]. We will also talk about the ongoing challenge of balancing transparency and privacy, examining how different blockchain projects have dealt with this issue [2,3]. Using examples of privacyfocused cryptocurrencies like Monero and Zcash, we will show both the successes and limitations of current privacy solutions [4]. This paper will also explore the wider impact of privacy in blockchain uses, including financial transactions, healthcare data management, and identity verification [5,6]. The discussion will also cover the difficulties of making privacy features work well, following regulations, and handling technical challenges. By giving a detailed look at these topics, this paper aims to add to the discussion on how blockchain technology can improve to better protect user privacy while using its powerful potential.
and not controlled by a single entity, which makes it very secure and allows transactions without needing to trust any single party. However, the natural openness of blockchain creates big privacy problems, especially for people who need to keep their transactions secret. This paper looks at how to balance openness and privacy in blockchain technology. It talks about new solutions to these problems and the difficulties that still need to be solved. We start by looking at the basic ideas of blockchain transparency and how it affects privacy [1]. Next, we look into privacy technologies like zeroknowledge proofs, ring signatures, and confidential transactions, and evaluate how well they work and fit into different blockchain platforms [2,3]. We also look at rules and ethical issues, stressing the need for guidelines that protect user privacy while keeping the benefits of transparency [4]. By comparing current privacy-focused blockchain projects with traditional blockchain systems, we find important trends and future paths for the field. Our results show that even though there have been big improvements, finding the perfect balance between transparency and privacy is still a challenge that needs ongoing innovation and changes in regulations [5,6]. This paper gives a detailed look at current blockchain privacy technologies and offers thoughts on the future of privacy in decentralized systems.
2. TECHNOLOGIES THAT PROTECT PRIVACY IN BLOCKCHAIN 2.1 Zero-Knowledge Proofs (ZKPs) Zero-Knowledge Proofs (ZKPs) are cryptographic methods that allow someone to prove they know a value or that something is true without giving away any other information about the value. This method keeps the data secret while making sure the proof is valid. There are two main types of ZKPs: zk-SNARKs and zk-STARKs.
Key Words: Blockchain Technology, Transparency, Privacy, Privacy Technologies, Regulatory Challenges
1. INTRODUCTION
zk-SNARKs: Zero-Knowledge Succinct Non-Interactive Arguments of Knowledge (zk-SNARKs) are a commonly used type of ZKP. They are succinct, meaning the proofs are small, and non-interactive, meaning they don't need any back-andforth communication between the prover and verifier. zkSNARKs need a trusted setup, which can be a weak point, but they offer efficient and scalable privacy features [1].
In the digital age, blockchain technology has become a groundbreaking innovation, set to change many industries with its key features of being decentralized, unchangeable, and transparent [7]. First made famous by cryptocurrencies like Bitcoin, blockchain can be used for more than just financial transactions [8]. It provides secure and transparent record-keeping solutions for areas like supply chain management, healthcare, and voting systems. However, the natural openness of blockchain systems, where all transactions are public and visible, creates a big privacy problem. While blockchain's openness builds trust and accountability, it can also reveal sensitive user information and transaction details, causing worries about personal and financial privacy [9]. This paper looks at how blockchain technology and privacy interact, focusing on how privacyprotecting technologies can solve these issues. We will look at important technologies like Zero-Knowledge Proofs
© 2024, IRJET
|
Impact Factor value: 8.226
Examples and Applications: Zcash, a well-known privacyfocused cryptocurrency, uses zk-SNARKs to allow private transactions. These transactions let users keep details like the sender, receiver, and amount completely private, while still allowing the network to verify them [3].
2.2 Ring Signatures Ring Signatures are a digital signature that improves privacy by letting a group member sign a transaction without
|
ISO 9001:2008 Certified Journal
|
Page 1315