First atomic cross-layer transaction
Ethereum Economic Zone completes first atomic cross-layer transaction between mainnet and rollup
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Key Points
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The EEZ implementation packages operations through a proxy-and-bundle mechanism, submitted to an L1 smart contract using the `postAndVerifyBatch` function; the operations are processed in one Ethereum block under L1 builder sequencing.
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Gnosis co-founder Friederike Ernst said the lack of synchronous composability forces protocols to maintain separate deployments across L2s, fragmenting liquidity into multiple markets.
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Hydration co-founder Jakub Gregus called the demonstration “one of the most important milestones” in crypto and said the technology could directly benefit Ethereum.
The Ethereum Economic Zone has completed its first atomic cross-layer transaction, allowing Ethereum mainnet and a Layer 2 network to execute linked actions in a single operation Crypto Briefing. The test involved 0.001 ETH and a rollup state update, marking a major step toward seamless interaction between Ethereum's fragmented rollup ecosystem Cointelegraph. Unlike traditional bridges that require separate, delayed transactions, atomic operations either all complete or all fail — eliminating the risk of partial transactions getting stuck.
How Atomic Transactions Bridge the Gap Between Layers
The EEZ system packages cross-layer operations through a proxy-and-bundle mechanism, submitting them to an L1 smart contract using the `postAndVerifyBatch` function Crypto Briefing. All operations process in a single Ethereum block under L1 builder sequencing, ensuring synchronized settlement. This is fundamentally different from typical bridge designs that require waiting for confirmations on both sides.
Fragmentation Forces Protocols Into Costly Duplications
Today, lack of synchronous composability between layers forces protocols to maintain separate deployments across multiple Layer 2s Crypto Briefing. This splits liquidity into isolated markets and fragments applications. Gnosis co-founder Friederike Ernst explained that without atomic cross-layer transactions, projects waste resources rebuilding contracts on every rollup instead of writing once and composing freely.
Industry Leaders Call Milestone Historic for Ethereum
Hydration co-founder Jakub Gregus described the demonstration as "one of the most important milestones" in crypto, saying the technology could directly benefit Ethereum Trading View. The EEZ was launched by Gnosis and Zisk with support from the Ethereum Foundation Crypto Briefing. Developers and traders are watching closely to see if atomic composability becomes the industry standard for Layer 2 interaction.
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