DEF CON 26 AI VILLAGE — TonTon Huang — Hunting the Ethereum Smart Contract Color Inspired Inspection

Дата: 28.11.2018. Автор: CISO CLUB. Категории: Подкасты и видео по информационной безопасности

Blockchain and Cryptocurrencies are gaining unprecedented popularity and understanding. Meanwhile, Ethereum is gaining a significant popularity in the blockchain community, mainly due to the fact that it is designed in a way that enables developers to write decentralized applications (Dapps) and smart contract. This new paradigm of applications opens the door to many possibilities and opportunities. However, the security of Ethereum smart contracts has not received much attention; several Ethereum smart contracts malfunctioning have recently been reported. Unlike many previous works that have applied static and dynamic analyses to find bugs in smart contracts, we do not attempt to define and extract any features; instead we focus on reducing the expert’s labor costs. We first present a new in-depth analysis of potential attacks methodology and then translate the bytecode of solidity into RGB color code. After that, we transform them to a fixed-sized encoded imag​​e. Finally, the encoded image is fed to convolutional neural network (CNN) for automatic feature extraction and learning, detecting security flaw of Ethereum smart contract.

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