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EEZ Executes First Mainnet L1-to-L2 Transaction
EEZ executes atomic L1-to-L2 execution, Ethereum considers transaction assertions. And dGEN1 adds on-device wallet safeguards.
Happy Monday, October 5, 2026.
The first EEZ atomic transaction is executed on Ethereum. The Ethereum Foundation outlines the case for transaction assertions. And Freedom Factory releases a dGEN1 software update with local LLM support.
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First EEZ Atomic Transaction On Ethereum
The first Ethereum Economic Zone (EEZ) atomic cross-chain transaction was executed between Ethereum L1 and an L2 on mainnet. Ethereum Economic Zone (EEZ) is a framework for based rollups with synchronous composability, which allows contracts across different chains on the framework to call one another and respond within a single coordinated transaction. The design leverages shared sequencing to support L2-to-L1 calls and rollup-to-rollup interactions.
While the L2 operator proposes the ordering of the calls, Ethereum maintains final authority over inclusion, atomicity, and the state of the canonical chain. The transaction is handled by routing a cross-chain call to a proxy, where it is held, simulated, and packed into a special L2 Sync block tied to a single L1 block. The composer then submits this batch to the EEZ contract on L1 using postAndVerifyBatch, bundled alongside the user’s related L1 transactions. Because the bundle is sequenced by the L1 builder, the entire set of operations either lands in one Ethereum block.
The Case For Transaction Assertions
The Ethereum Foundation Access Cluster team outlined the case for Transaction Assertions EIP-7906 as a possible approach to limit the security risks from signed transactions with unintended outcomes due to state changes and misunderstood code. Transaction Assertions introduce a new state diff opcode that allows users and developers to add rules to their transactions. EIP-7906 is currently CFI'd for Hegota.
The transaction is checked against the rules and executes if they are met. If the transaction fails to meet the rules, the changes are reverted. The user still pays gas for the transaction, however, a bad outcome is prevented. The team highlighted the March 2026 Aave and CoW Swap integration incident where a trader accepted a swap with 99% slippage on aWETH, resulting in a $50 million loss. An EIP-7906 assertion could catch such an unexpected implementation change or allowance.
dGEN1 v4.5 Supports Local LLM
Freedom Factory released dGEN1 v4.5, an over-the-air update to its mobile Ethereum phone. The update introduces Transaction Guardian, which analyzes wallet requests on-device and labels them OK, CAUTION or DANGER. DANGER requests require an extra confirmation step. The update also makes wallet approvals and signed messages easier to read, and adds recovery-address confirmation during setup.
The release expands its AndyClaw agent with faster app-control flows, live monitoring and a stop control, alongside downloadable local reflex models that can run without internet access. The release also supports private sends via Railgun. Other changes include a terminal glance view, improved dApp multitasking and WalletApp updates.
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