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<p>Blockchain technology has fundamentally transformed the landscape of secure and transparent transactions within decentralized networks. Combined with advanced cryptographic techniques, Blockchain offers significant improvements in security and reliability, addressing critical concerns about data integrity, confidentiality, and trust. This review delves into recent advancements in Cryptography and Blockchain, focusing on their application to secure communications and transactions in Data Networks. Through a state-of-the-art analysis, this paper examines key cryptographic methods, including encryption, digital signatures, and consensus algorithms, strengthening Security Data Networks. In conclusion, this study underscores the potential of Blockchain Technology reshaping data security and transparency across various sectors, and also paving the way for enhanced trust and operational efficiency in digital ecosystems.</p>

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A critical review on how cryptography and blockchain strengthen security in data networks

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月25日

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  • Anibal Calle-Zuniga,
  • Washington Velasquez

摘要

Blockchain technology has fundamentally transformed the landscape of secure and transparent transactions within decentralized networks. Combined with advanced cryptographic techniques, Blockchain offers significant improvements in security and reliability, addressing critical concerns about data integrity, confidentiality, and trust. This review delves into recent advancements in Cryptography and Blockchain, focusing on their application to secure communications and transactions in Data Networks. Through a state-of-the-art analysis, this paper examines key cryptographic methods, including encryption, digital signatures, and consensus algorithms, strengthening Security Data Networks. In conclusion, this study underscores the potential of Blockchain Technology reshaping data security and transparency across various sectors, and also paving the way for enhanced trust and operational efficiency in digital ecosystems.