Edelweiss Interop Recap

With The Merge now firmly behind us, protocol builders have been making progress throughout a (document?) variety of areas over the previous few months. Withdrawals, danksharding, EOF, verkle tries, historical past expiry, SSZ and extra have all seen vital progress not too long ago!

As a way to assist transfer every of those threads ahead, and to run by means of yet one more collection of Shapella stress exams, consumer workforce members gathered in particular person for a week-long interop occasion in Austria: Edelweiss 🏔️

In contrast to Amphora, which had a singular deal with The Merge, this occasion had two main tracks, targeted on the Shapella and ProtoDanksharding community upgrades respectively. A number of breakout classes had been additionally held to dive into different open issues. Here’s a temporary overview of what was achieved, in addition to hyperlinks to artifacts from the workshops & ongoing dialogue threads.


The week started with a Shanghai/Capella mainnet shadow fork. Flooding the community with withdrawal credential replace messages revealed efficiency points on the community, and led to a special consensus-layer queueing design to course of these messages.

All through the week, further devnets had been launched and stress examined with massive quantities of credential updates, withdrawals, and even dangerous blocks. Consumer implementations ended the week hardened and prepared for the fork on the newly-launched Zhejiang testnet.

Assuming the Shapella improve occurs with out problem on Zhejiang, the Sepolia and Goerli testnets shall be upgraded subsequent!


The principle EIP-4844 interop purpose was the launch of an all-client EIP-4844 devnet. By Friday, all however one consumer had been syncing on the community!

A number of design discussions additionally came about throughout the week, stemming from a transaction pool design proposal. Questions round permitting “blobless” 4844 transactions, if and the way blocks & blobs should be coupled for gossip and tips on how to encode these transactions had been mentioned extensively and surfaced on final week’s AllCoreDevs Execution Layer call.

Over the following few weeks, groups hope to finalize all spec adjustments ensuing from these discussions and launch a brand new devnet.

EVM Object Format (EOF)

After having been conditionally accepted after which faraway from Shanghai, EOF was one of many matters the place opinions about the perfect path ahead diverged essentially the most.

Whether or not EOF ought to ban code introspection, intention for a minimal deployment ASAP, and even solely ever go stay on L2s had been all mentioned throughout the week.

No concrete specification got here out of the workshop, however groups now have a shared understanding of the design area and potential paths ahead. The EOF breakout rooms resumes subsequent week to proceed this dialog!

All the pieces Else

Except for these three matters, groups mentioned the way forward for gentle purchasers on the community, how the EL & CL specs processes may converge (and probably carve out ERCs from other EIPs), launched a brand new Verkle Trie testnet, put ahead a proposal to SSZ encode EL transactions, mentioned changing the validator EL->CL deposit mechanics, and even began a Capella annotated spec!

Subsequent Steps

Lower than per week after the occasion, consumer groups have begun discussing Shapella timelines for testnets. Preserve an eye fixed out on this weblog, in addition to on purchasers’ repositories, for bulletins within the coming weeks!

For different efforts, akin to EIP-4844, EOF, SSZ, count on to see lively design discussions within the coming weeks, resulting in prototype implementations afterwards.

Shapella is sort of right here, and Dencun is obvious on the horizon 🌅

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