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Security Attacks And Key Challenges In Blockchain Technology

Di: Everly

Blockchain technology is transforming industries, offering secure, transparent, decentralized solutions. However, its adoption isn’t without hurdles. Challenges such as

As a key technology for building trust networks and implementing value interconnections, blockchain has received extensive attention. There are numerous technical

Cybersecurity for Blockchain-Based IoT Systems: A Review

The dual challenge: Security and compliance

In addition, existing key platforms of blockchain related to the cryptocurrencies, hyperledger and multichain are also discussed. Existing emerging vulnerabilities of blockchain

Another key benefit of leveraging blockchain technology in cybersecurity is its ability to create immutable and auditable records of cyber threats and attacks. By recording and storing

However, CWE doesn’t cover blockchain or smart contracts specifically. The good news is there are other efforts to document these issues, including the Blockchain DLT Attacks

Box 2 shows that the pseudo identity mechanism is used in permissionless blockchain because of its decentralized nature. For example, the user’s identity is represented

  • The Latest AI-Driven Blockchain Security Trends of 2025
  • Security Challenges of Blockchain
  • Blockchain in Healthcare System: Security Issues, Attacks and Challenges

Nowadays, blockchain has become increasingly popular due to its promise of supporting critical business services in various areas. Blockchain systems, like Ethereum and

For example, when the blockchain identifies signs of an attack, making it achievable for businesses to navigate such challenges. Blockchain and Zero-Trust security

In this article, we overview key blockchain security vulnerabilities, explore common attack vectors, and share our knowledge on mitigating risks that allow these attacks. This article will be useful

Role of Blockchain in Cybersecurity

This paper discusses the blockchain concept and relevant factors that provide a detailed analysis of potential security attacks and presents existing solutions that can be deployed as

However, the slightly higher false alarm rate for DoS attacks (5%) points to potential challenges in distinguishing these attacks from normal traffic. Addressing this

In this paper, we systematically explore the attack surface of the Blockchain technology, with an emphasis on public Blockchains.

2020 A book chapter over anomaly detection approaches in blockchain technology. [21] 2020 A detailed investigation of integration of privacy preservation via differential privacy strategy in

  • The Future of Cybersecurity Lies in Blockchain Technology
  • Security Attacks and Key Challenges in Blockchain Technology
  • Blockchain Security: Types & Real-World Examples
  • Security and Privacy Challenges in Blockchain Interoperability

Blockchain is changing and impacting many sectors, from healthcare and finance to iGaming. Transparency, privacy, and robustness have made blockchain more popular than

Blockchain technology, initially introduced as the backbone of cryptocurrencies, has rapidly expanded its reach into various industries. Its decentralized and „immutable“ nature has attracted widespread interest due to

A systematic literature review of blockchain cyber security

Researchers consider Blockchain technology as a major enabling technology that SDN analyzes traffic data and identifies attacks, Blockchain provides decentralized intrusion

A blockchain-based traceable and secure data-sharing scheme [PeerJ]

The next prominent concern for security and privacy issues of blockchain technology refers to routing attacks. Blockchain networks and applications depend on the

When blockchain technology is implemented in the Internet of Things (IoT) domain to exchange and share network data, records, validation, and security service, there are a few relevant

Then, the healthcare architecture of blockchain technology is explored. The layered architecture and classifications of the blockchain are presented in detail. Then, we discussed

Adaptability and scalability challenges: Blockchain networks have preset block volume and limits to transactions per second so it becomes very important to check the

In , blockchain technology relies on ECDSA for its signature algorithm. However, ECDSA has been proven insecure under quantum computing attacks, rendering current

Despite common arguments about the prevalence of blockchain technology, in terms of security, privacy, and immutability, in reality, several attacks can be launched against

Security Risks and Concerns. While Blockchain technology is renowned for its security, the ecosystem is not immune to threats. Smart contract vulnerabilities, 51% attacks,

In blockchain applications, security and privacy have always been research focus areas. Existing works on blockchain security and privacy are compared in Table 1.Li et al. [27]

Explore blockchain security, key features, attack types, prevention methods, best practices, and real-world examples for protection. A Leader in the 2024 Gartner® Magic Quadrant™ for Endpoint Protection Platforms.

In this paper, we represent overview of the various cyber security challenges and the privacy of various Blockchain applications. From the essential data security and the very

Blockchain technology has attracted various areas like corporations, education, government, and healthcare because of its unhackable security features. In spite of common arguments about

Authentication: The decentralized architecture of Blockchain ensures authentication by default since the nodes and blocks are verified before initiating the transaction [16].In the