Ethereum scaling worked, transactions got cheaper, throughput went up & a L2s launched to meet demands. Each one became its own island, separate liquidity, separate deployments, separate bridges that take a cut every time you try to move between them. Gnosis & Zisk, with co-funding from the Ethereum Foundation, announced the Ethereum Economic Zone Rollup Framework at EthCC in Cannes on March 29, 2026. The pitch is to stop building more islands & start connecting the ones already there.

• The Fragmentation Problem EEZ Is Built to Solve
• How Synchronous Composability Actually Works
• The Alliance Behind It
• Where This Sits in the Broader Ethereum Landscape

The Fragmentation Problem EEZ Is Built to Solve

If you have ever tried moving assets between two L2s, you already understand the problem better than any whitepaper can explain it. You find a bridge, you approve something, you wait, you wait again on the other side & you end up with slightly less than you started with & no clear sense of where the rest went. Itsn't really a great experience.

For protocols, it is more of a structural headache where Every L2 deployment is a fresh start: new liquidity pools, new bootstrap effort, same users spread thinner across more chains. The deep liquidity sitting on Ethereum mainnet might as well be on a different planet if your users are on a rollup & there is a bridge standing between the two.

https://t.co/4KE6zrZpfq

— Gnosis (@gnosis_) March 29, 2026

Gnosis co-founder Friederike Ernst put it well at EthCC: Ethereum does not have a scaling problem, it has a fragmentation problem. EEZ is the attempt to fix it not by creating yet another isolated environment, but by connecting existing ones into something that actually behaves like a single DeFi economy.

How Synchronous Composability Actually Works

The core idea here is synchronous composability. A smart contract on an EEZ rollup can call a contract on Ethereum mainnet or on another EEZ rollup,inside one atomic transaction. Everything either goes through or everything reverts. No partial outcomes, no bridge exploits in the gap between chains, no wrapped assets carrying extra risk.

Today's bridges are asynchronous, meaning that a transaction on one chain kicks off a separate transaction on another, with a window in between where things can go sideways. Synchronous composability closes that entirely. Same block & same security model as deploying natively on L1.

The ZK proving layer that makes this possible comes from Zisk, founded by Jordi Baylina, who built Circom & was a core contributor to Polygon zkEVM. Zisk's real-time ZK proving stack handles the cross-chain verification without adding any new trust assumptions. ETH is the gas token throughout, so there is no new network token you need to hold to use any of this.

What this looks like in practice: a protocol on an EEZ rollup calls into Uniswap's mainnet liquidity pools in the same transaction as a local operation.

The Alliance Behind It

EEZ will be governed as a credibly neutral Swiss non-profit with fully open-source software. The goal over time is to reduce governance to a minimum & eventually make the framework non-upgradable. That is the right structure for something that needs competing protocols to trust it, nobody adopts an interoperability standard if the entity running it could change the rules.

The founding EEZ Alliance includes Aave, Flashbots, Nethermind, Centrifuge, Safe, CoW Swap, Titan, Beaver Build, Monerium & xStocks. That covers DeFi lending, block building, core infrastructure, real-world assets and tokenised equities.

Gnosis being involved is a slightly interesting detail. They run their own L1, so advocating for a framework that strengthens Ethereum L2s is not very obvious. The team has been upfront about it & they see EEZ as complementary to Gnosis Chain, & there are open community discussions about how Gnosis Chain might integrate with the framework, including roles for GNO token holders & validators.

Where This Sits in the Broader Ethereum Landscape

This is not the first attempt at the fragmentation problem. Optimism's Superchain, Polygon's AggLayer & several Ethereum Foundation interoperability workstreams are all working on versions of it. The Ethereum Foundation's ongoing commitment to protocol security & scalability which is evident in initiatives like the $2 million Fusaka audit contest & discussions at All Core Developers calls, shows the kind of research-level seriousness that co-funding EEZ signals. What EEZ is claiming is a stronger guarantee, synchronous atomicity with real-time ZK proofs & no additional trust assumptions beyond Ethereum L1. Whether that claim holds up will become clearer when the technical specs land in the coming weeks.

Worth being clear: this was an announcement & not quite a launch just yet. No live rollups, no mainnet deployment yet. Technical architecture, benchmarks, & developer tooling are all coming. But the problem is genuinely unsolved, the people involved know the stack deeply, & starting with an alliance that already includes Aave & Flashbots is not a bad position to be in.

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