Ethereum proposes native transaction assertions to enhance security
Summary
The Ethereum Foundation is exploring native transaction assertions as a solution to address the risks of intent and outcome mismatches in blockchain transactions. This initiative, part of the Trillion Dollar Security program, aims to enhance user protections by allowing onchain code to inspect all changes made by a transaction and revert them if they violate predefined rules. Existing defenses like clear signing and simulation fall short as they cannot fully assess the net state changes resulting from a transaction. EIP-7906, a proposed design that builds on the frame transactions from EIP-8141, is being considered for inclusion in the upcoming Hegotá upgrade, highlighting the ongoing efforts to bolster Ethereum's security posture.
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Analysis
EIP-7906: EIP-7906 is a proposed Ethereum Improvement Proposal for transaction assertions via a state diff opcode, building on frame transactions from EIP-8141. It introduces read-only POST_TX frames and new opcodes like TXTRACE, TXDIFF, and EVENTDATACOPY to inspect net state changes and events. The proposal has reached Considered for Inclusion status and aims to enable enforceable rules on transaction outcomes. Ethereum: Ethereum is the leading open-source blockchain platform supporting smart contracts and decentralized applications. It secures billions in onchain value through its consensus protocol, infrastructure layers, and ecosystem governance. The news highlights Ethereum's current transaction execution model and the Trillion Dollar Security initiative's effort to introduce native assertions for better outcome enforcement. Ethereum Foundation: The Ethereum Foundation supports the development and research of the Ethereum protocol and ecosystem. It has launched the Trillion Dollar Security initiative to identify and mitigate user experience risks in transaction handling. The foundation's blog post details how EIP-7906 could enforce intended transaction outcomes. Trillion Dollar Security: Trillion Dollar Security is an Ethereum Foundation initiative focused on making Ethereum's security measurable and improving it across user experience, smart contracts, infrastructure, consensus, monitoring, and social layers. It addresses risks like blind signing and transaction uncertainty through proposals such as native transaction assertions. The initiative drives ecosystem-wide security posture to support scalable, neutral infrastructure. Use Cases: Native assertions could enhance delegation controls, solver-based execution, and protocol-defined safety rules in addition to preventing intent and outcome mismatches. EIP Integration: EIP-8141 frame transactions are scheduled for the Hegotá upgrade, providing a foundation for EIP-7906 assertions. Transaction Verification: Clear signing and simulation provide existing defenses but cannot fully inspect all net state changes from a transaction.
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