Can Ethereum make rollups feel like one network?

A trader in a Devcon demo signed one order on an Ethereum rollup, bought tokens using liquidity on mainnet and received them back on the rollup. The trade shows how users could reach a deeper market without moving funds themselves, an approach Gnosis is targeting for its default setup in spring 2027. The Ethereum Economic Zone team has demonstrated a trade in which a user signed one order on the experimental Rollup X network, a CoW Swap solver filled it using Ethereum mainnet liquidity, and the purchased tokens arrived back on the rollup. The demo shows how a trader could reach a deeper market on mainnet without first sending funds there and waiting for them to arrive before placing the order.

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