A Tool to check the Ownership of Solana's Smart Contracts

Solana is a blockchain platform with its own token, called SOL or Solana. As a blockchain network, Solana is a de-centralized public ledger for verifying and recording transactions. The Solana blockchain has smart contract capabilities. Unlike other blockchains, such as Ethereum, there is no repository or tool where to check for the source code of the smart contracts stored in the blockchain. These tools are crucial to increase the users' trust in this type of technology. Indeed, one of the most important features of the blockchain is transparency, i.e. the possibility to see the source code of the program to use, or in which the users wish to invest. However, in the blockchains that support smart contracts, what is stored is not the source code of the smart contract written in a high-level program understandable to humans, but the bytecode, i.e. a low-level code made for the hardware to be executed. For some blockchains, such as Ethereum, there are different tools, such as integrated development environment (IDE), that allow to verify that the smart contracts' source code corresponds to the bytecode installed on the nodes of the blockchain. Moreover, there are different repositories that collect smart contracts written in a high-level programming language and their corresponding bytecode. However, for the Solana blockchain, all these tools do not exist yet. The study proposes a web tool that allows verifying the ownership of a smart contract, i. e. the smart contracts' source code written in a high-level programming language corresponds to the bytecode deployed in the Solana blockchain. Moreover, we have published smart contracts' source code written in high-level programming via a public service that can be used by researchers, smart contract developers, and blockchain not-expert users.