Anomaly detection for smart contracts can effectively prevent hidden security risks such as
financial fraud, illegal financing, and money laundering. Ethereum is currently the largest …

Ethereum is one of the largest blockchain networks in the world. Its feature of smart contracts
is unique among the other crypto-currencies and gained wider attention. However, smart …

Blockchain technology becomes increasingly popular. It also attracts scams, for example, a
Ponzi scheme, a classic fraud, has been found making a notable amount of money on …

Blockchain technology brings innovation to various industries. Ethereum is currently the
second blockchain platform by market capitalization, it's also the largest smart contract …

Recently, the Ethereum smart contracts have seen a surge in interest from the scientific
community and new commercial uses. However, as online trade expands, other fraudulent …

Smart contracts are decentralized applications running on Blockchain. A very large number
of smart contracts has been deployed on Ethereum. Meanwhile, security flaws of contracts …

A smart contract is a computer program which is automatically executed with some
conditional statements such as “if/then”. Since smart contracts can include some vulnerable …

Blockchains have been booming in recent years. As a decentralized system architecture,
smart contracts give blockchains a user-defined logic. A smart contract is an executable …

In this paper, we address the problems of fraud and anomalies in the Bitcoin network. These
are common problems in e-banking and online transactions. However, as the financial …

With the wide application of Internet of Things and blockchain, research on smart contracts
has received increased attention, and security threat detection for smart contracts is one of …