Hierarchical Deterministic Wallets for Secure Steganography in Blockchain

Torki, Omid; Ashouri-Talouki, Maede; Mahdavi, Mojtaba

doi:10.22042/isecure.2022.319074.729

Hierarchical Deterministic Wallets for Secure Steganography in Blockchain

Document Type : Research Article

Authors

Omid Torki ¹

Maede Ashouri-Talouki ¹

Mojtaba Mahdavi ²

¹ Department of Information Technology Engineering, Faculty of Computer Engineering, University of Isfahan

² Department of Information Technology Engineering, Faculty of Computer Engineering, University of Isfahan, Isfahan, Iran

https://doi.org/10.22042/isecure.2022.319074.729

Abstract

Steganography is a solution for covert communication and blockchain is a p2p network for data transmission, so the benefits of blockchain can be used in steganography. In this paper, we discuss the advantages of blockchain in steganography, which include the ability to embed hidden data without manual change in the original data, as well as the readiness of the blockchain platform for data transmission and storage. By reviewing the previous four steganography schemes in blockchain, we have examined their drawback and shown that most of them are non-practical schemes for steganography in blockchain. We have proposed two algorithms for steganography in blockchain, the first one is a high-capacity algorithm for the key and the steganography algorithm exchange and switching, and the second one is a medium-capacity algorithm for embedding hidden data. The proposed method is a general method for steganography in each blockchain, and we investigate how it can be implemented in two most popular blockchains, Bitcoin and Ethereum. Experimental result shows the efficiency and practicality of proposed method in terms of execution time, latency and steganography fee. Finally, we have explained the challenges of steganography in blockchain from the steganographers' and steganalyzers' point of view.

Keywords

Steganography

Blockchain

Bitcoin

Ethereum

Transaction Address

Hierarchical Deterministic Wallets

20.1001.1.20082045.2023.15.1.2.9

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