Reducing optimistic withdrawal times.
PeerDAS live custody monitoring tool.
EF launches Ethereum Hub in Lagos.
Yearn post-mortem analysis.
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Listen to this episode from Ethereum News on Spotify. Donnoh.eth shares next steps for reducing optimistic rollup withdrawal times. ethPandaOps releases a live custody monitoring tool. And the Ethereum Everywhere team launches an Ethereum Hub in Lagos. Read more: https://ethdaily.io/837 Sponsor: Arkiv is an Ethereum-aligned data layer for Web3.
](https://open.spotify.com/episode/7qlmZpcbwmgL8AexDRyAdW)
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L2Beat researcher donnoh.eth published his thoughts to reducing the withdrawal window for Stage 1 Optimistic Rollups from seven days to potentially one day, within the context of the Ethereum L2 Stages Framework. Optimistic rollups currently use a 7-day challenge period to protect bridged funds primarily against a strong censorship attack. The rollup framework dictates that Stage 2 rollups must maintain this 7-day period to fully inherit Ethereum security guarantees. The concern with a shorter period for Stage 1 is the increased vulnerability to soft censorship attacks. In economic censorship attacks, defenders must spend funds on priority tips that are not reimbursed. Donnoh.eth says that the next step for reducing the withdrawal window is to agree on a reasonable defender advantage to require.
ethPandaOps launched a live custody monitoring tool, powered by the dasmon engine, for Peer Data Availability Sampling (DAS) introduced in Fusaka. Fusaka moved Ethereum's Data Availability (DA) from full replication to a sharded architecture via PeerDAS, where individual nodes only store a subset of the data. The tool aims to ensure the network collectively upholds DA guarantees by making Ethereum's new data availability layer observable and verifiable, giving operators, researchers, and users confidence in the network's guarantees. ethPandaOps is an Ethereum DevOps team that provides resources for testing protocol upgrades.
The Ethereum Everywhere team, an Ethereum Foundation team dedicated to amplifying and connecting communities and events globally, is launching an Ethereum Community Hub in Lagos, Nigeria. Located at Web3bridge Africa, the hub will serve as a co-working space and central gathering point for builders, researchers, creators, and artists developing within the Ethereum ecosystem. The hub will host a launch event on December 11, 2025. Two other Ethereum hubs are already live in London and Berlin.
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