From WEB3 Vulnerapedia
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A transaction is a fundamental operation within decentralized networks, enabling the transfer of digital assets or triggering actions on the blockchain. It involves sending data and/or cryptocurrencies from one Web3 address to another. Web3 transactions are executed through smart contracts or directly between users, relying on cryptographic signatures for authentication and security. These transactions are recorded on the blockchain, providing an immutable and transparent ledger of interactions. Web3 transactions are integral to various use cases, including cryptocurrency transfers, token swaps, and decentralized application interactions.