Smart Contract Migration: Security Analysis and Recommendations from Ethereum to Arbitrum

07/27/2023
by   Xueyan Tang, et al.
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This research aims to explore the security risks posed by compatibility and protocol differences in smart contract migration, using the migration of smart contracts from Ethereum to Arbitrum as a case study. Through literature review, online data collection, expert participation, and analysis of smart contract vulnerability cases, this paper conducts an in-depth research of the differences between Ethereum and Arbitrum in areas such as Messaging, Block Properties, Contract Address Alias, and Gas Fees. The research findings indicate the presence of certain security issues during the migration process from Ethereum to Arbitrum, such as abnormal operation of the sequencer resulting in outdated off-chain data retrieval, time-based logical errors, failed permission checks, DOS attacks, and gas loss due to L1-to-L2 transaction failures. To address these security issues, this paper proposes corresponding solutions and recommendations to ensure the security and meet the requirements of the migration process. Additionally, this research emphasizes the continued attention and support for the security issues of smart contract migration through the case of smart contract migration from Ethereum to Arbitrum. It is worth noting that this research is the first in-depth research of smart contract security migration from Ethereum to Arbitrum.

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