# Ethereum Researchers Publish Mempool Defenses for Native Account Abstraction

Two new proposals, one metering how many transactions an account may hold in the mempool and one splitting nonce types, aim to make programmable transaction validation safe for public nodes.

- Published: 2026-09-09T05:46:55.977Z
- Canonical: https://polylog.news/crypto/2026-09-09/ethereum-researchers-publish-mempool-defenses-for-native-acc
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Ethereum Research (MATCHA)](https://ethresear.ch/t/mempool-account-transaction-capacity-from-historical-activity-matcha/25949), [Ethereum Research (Bloom Filters and Keyed Nonces)](https://ethresear.ch/t/bloom-filters-and-keyed-nonces/25950)

Two proposals published on the Ethereum Research forum address the same problem: how to let accounts define their own transaction validation logic without giving attackers a cheap way to exhaust every node in the network. Both build on Ethe…

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