BlockBeats News, May 6th: Ethereum developer @nero_eth published an article discussing the "Delayed Execution and Free DA Issue." Delayed Execution (EIP-7886) changes the verification process: validators authenticate block validity through prechecks (such as nonce and balance) before the transaction is fully executed. If a transaction fails during execution due to insufficient balance (e.g., Transaction A depletes Account B's balance, causing Transaction B from B to fail to pay Gas), its data is written to the block and processed by validators but without payment. This results in the Free DA Issue: invalid transactions occupy on-chain data availability resources, and validators are uncompensated.
The article proposes four solutions: optimistic verification, pre-validation and pre-charge, pre-charge entities and execution layer no-op, to ensure the cost of data writing through pre-deduction fees, block reorganization, or state rollback, preventing network congestion and economic injustice caused by Free DA.
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