Volume 16 (2024)
Volume 15 (2023)
Volume 14 (2022)
Volume 13 (2021)
Volume 12 (2020)
Volume 11 (2019)
Volume 10 (2018)
Volume 9 (2017)
Volume 8 (2016)
Volume 7 (2015)
Volume 6 (2014)
Volume 5 (2013)
Volume 4 (2012)
Volume 3 (2011)
Volume 2 (2010)
Volume 1 (2009)
Safety Guards for Ethereum Smart Contracts

Morteza Amirmohseni; Sadegh Dorri Nogoorani

Volume 16, Issue 1 , January 2024, , Pages 37-53


  Smart contracts are applications that are deployed on a blockchain and can be executed through transactions. The code and the state of the smart contracts are persisted on the ledger, and their execution is validated by all blockchain nodes. Smart contracts often hold and manage amounts of cryptocurrency. ...  Read More

Analysis of IOTA Tangle Stability in High Transaction Rates

Habibullah Yajam; Mohammad Ali Akhaee

Volume 15, Issue 2 , July 2023, , Pages 152-162


  The future of the IoT requires new methods of payment that can handle millions of transactions per second. IOTA cryptocurrency aims at providing such a solution. It uses a consensus algorithm based on directed acyclic graphs (DAG) that is called Tangle. A tip selection algorithm (TSA) is a part of Tangle ...  Read More

Hierarchical Deterministic Wallets for Secure Steganography in Blockchain

Omid Torki; Maede Ashouri-Talouki; Mojtaba Mahdavi

Volume 15, Issue 1 , January 2023, , Pages 73-81


  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 ...  Read More

On the Suitability of Improved TrustChain for Smartphones

Seyed Salar Ghazi; Haleh Amintoosi; Sahar Pilevar Moakhar

Volume 14, Issue 3 , October 2022, , Pages 33-42


  In recent years, blockchain technology has been used in many fields, including IoT and Smartphones. Since most of these devices are battery constrained and have low processing capabilities, conventional blockchains are not suitable for these types of systems. In this field, critical challenges that need ...  Read More