Decentralization has been touted as the principal security advantage which propelled
blockchain systems at the forefront of developments in the financial technology space. Its …

Metaverse brings unlimited space and tremendous potential since it is an integrated
application of multiple fundamental technologies such as artificial intelligence, blockchain …

An eclipse attack is a common method used to attack the blockchain network layer; however,
detecting eclipse attacks is challenging, and the performance of existing methods is …

We present a practical partitioning attack, which we call Gethlighting, that isolates an
Ethereum full node from the rest of the network for hours without having to occupy (or …

We have developed an open-source Internet Emulator, which is a Python library, consisting
of the classes for each essential element of the Internet, including autonomous system …

The Lightning Network (LN) is a widely-adopted off-chain protocol that not only addresses
Bitcoin's scaling problem but also enables anonymous payments. Prior attacks have shown …

The rise of Decentralized Finance (DeFi) has brought novel financial opportunities but also
exposed serious security vulnerabilities, with flash loans frequently exploited for price …

Consensus mechanism, as the soul-building-block of decentralized settings, enables a
series of blockchain applications, such as Bitcoin and Ethereum. For better security and …

Cryptocurrency is designed for anonymous financial transactions to avoid centralized
control, censorship, and regulations. To protect anonymity in the underlying P2P networking …

Previous state-of-the-art studies have proposed various analytical models to understand the
double-spending attacks (DSA) occurred in Proof-of-Work (PoW) based Blockchains …