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05/26/2023
CBDC-AquaSphere: Interoperable Central Bank Digital Currency Built on Trusted Computing and Blockchain
The adoption of decentralized, tamper-proof ledger systems is paving the...
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05/26/2023
Incentive Attacks on DAG-Based Blockchains with Random Transaction Selection
Several blockchain consensus protocols proposed to use of Directed Acycl...
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02/09/2023
Fee-Redistribution Smart Contracts for Transaction-Fee-Based Regime of Blockchains with the Longest Chain Rule
In this paper, we review the undercutting attacks in the transaction-fee...
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11/07/2022
Detecting and Preventing Credential Misuse in OTP-Based Two and Half Factor Authentication Toward Centralized Services Utilizing Blockchain-Based Identity Management
This work focuses on the problem of detection and prevention of stolen a...
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06/13/2022
SBvote: Scalable Self-Tallying Blockchain-Based Voting
Decentralized electronic voting solutions represent a promising advancem...
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09/02/2021
DAG-Oriented Protocols PHANTOM and GHOSTDAG under Incentive Attack via Transaction Selection Strategy
In response to the bottleneck of processing throughput inherent to singl...
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07/22/2021
Always on Voting: A Framework for Repetitive Voting on the Blockchain
Elections are commonly repeated over longer and fixed intervals of time,...
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10/18/2020
BBB-Voting: 1-out-of-k Blockchain-Based Boardroom Voting
Voting is a means to agree on a collective decision based on available c...
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08/06/2020
Intercepting Hail Hydra: Real-Time Detection of Algorithmically Generated Domains
A crucial technical challenge for cybercriminals is to keep control over...
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06/18/2020
CoinWatch: A Clone-Based Approach For Detecting Vulnerabilities in Cryptocurrencies
Cryptocurrencies have become very popular in recent years. Thousands of ...
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05/27/2020
Aquareum: A Centralized Ledger Enhanced with Blockchain and Trusted Computing
Distributed ledger systems (i.e., blockchains) have received a lot of at...
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10/23/2019
ASNM Datasets: A Collection of Network Traffic Features for Testing of Adversarial Classifiers and Network Intrusion Detectors
In this paper, we present three datasets that have been built from netwo...
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10/22/2019
The Security Reference Architecture for Blockchains: Towards a Standardized Model for Studying Vulnerabilities, Threats, and Defenses
Due to their specific features, such as decentralization and immutabilit...
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08/30/2019
An Empirical Study into the Success of Listed Smart Contracts in Ethereum
Since it takes time and effort to put a new product or service on the ma...
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05/28/2019
Adversarial Attacks on Remote User Authentication Using Behavioural Mouse Dynamics
Mouse dynamics is a potential means of authenticating users. Typically, ...
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05/23/2019
StrongChain: Transparent and Collaborative Proof-of-Work Consensus
Bitcoin is the most successful cryptocurrency so far. This is mainly due...
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05/03/2019
HADES-IoT: A Practical Host-Based Anomaly Detection System for IoT Devices (Extended Version)
Internet of Things (IoT) devices have become ubiquitous and are spread a...
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04/15/2019
A Security Reference Architecture for Blockchains
Due to their interesting features, blockchains have become popular in re...
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12/10/2018
An Air-Gapped 2-Factor Authentication for Smart-Contract Wallets
With the recent rise of cryptocurrencies, the security and management of...
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05/07/2018
Improving Network Intrusion Detection Classifiers by Non-payload-Based Exploit-Independent Obfuscations: An Adversarial Approach
Machine-learning based intrusion detection classifiers are able to detec...
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05/04/2018