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Gigahorse: Thorough, Declarative Decompilation of Smart Contracts

The rise of smart contract—autonomous applications running on blockchains—has led to a growing number of threats, necessitating sophisticated program analysis. However, smart contracts, which transact valuable tokens and cryptocurrencies, are compiled to very low-level bytecode. This bytecode is the ultimate semantics and means of enforcement of the contract.

We present the Gigahorse toolchain. At its core is a reverse compiler (i.e., a decompiler) that decompiles smart contracts from Ethereum Virtual Machine (EVM) bytecode into a high- level 3-address code representation.

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