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tl;dr
- Merge progress — minor spec updates, engineering full steam forward 🚂
- No progress in shopper variety. Be egocentric, run a minority shopper!
Merge replace
Initially — unbelievable work to the entire engineering groups on the Kintsugi dash, which culminated within the launch of the Kintsugi Merge testnet. It’s unimaginable to see 3 execution shoppers and 5 consensus shoppers for a complete of 15 completely different pairings working on a unified entrance.
Kintsugi🍵, the primary long-standing Merge testnet, was not with out pleasure. The #TestingTheMerge effort hammered the testnet with transactions, dangerous blocks, and a lot of different chaotic inputs, effervescent up some bugs in state transition, sync, and extra. We anticipate finding such bugs in early testnets, however with every iteration, shoppers change into increasingly more steady.
Kiln reboot 🔥🧱
Groups recognized an essential problem just a few weeks in the past. This was a mismatch within the engine API (how the PoS consensus-layer drives the execution-layer) semantics associated to how execution-layer shoppers really operate in observe. The tl;dr is that, in some contexts, the consensus-layer was by chance inducing surprising load on the execution-layer.
Engineers then realized that if the engine API semantics have been barely extra versatile, the 2 layers might work extra harmoniously. This led to a refined, but essential, modification of the engine API and a associated breaking spec launch.
Right now, the Kiln spec🔥🧱 was launched, and engineers are busy knocking out the adjustments. On the finish of this dash, groups purpose to carry production-ready implementations to a brand new testnet for public consumption. Preserve your eyes peeled for the way to take part.
From there, groups will transition public testnets to proof-of-stake earlier than making mainnet preparations.
Shopper variety metrics
Michael Sproul launched a brand new wave of client diversity metrics utilizing his novel fingerprinting mechanism. Sadly, the shopper distribution of validating nodes has not budged up to now 6 months.
The variety of consensus-layer shopper implementations allows Ethereum and its customers to have a novel and strong resilience to software program failures and assaults. Customers obtain some resiliance by utilizing a minority shopper whatever the community make-up, however the community itself positive factors resiliance at just a few key validator distribution thresholds.
If a single shopper:
- Doesn’t exceed 66.6%, a fault/bug in a single shopper can’t be finalized
- Doesn’t exceed 50%, a fault/bug in a single shopper’s forkchoice can’t dominate the top of the chain
- Doesn’t exceed 33.3%, a fault/bug in a single shopper can’t disrupt finality
From the appears to be like of the fingerprinting mechanism, Prysm nonetheless sits above the 66.6% mark.
I need to give an enormous shoutout to the groups, people, and communities taking shopper variety severely (exhibit A, exhibit B). Working a minority shopper shouldn’t be solely wholesome for the community however can be safer for the person consumer’s funds.
Be egocentric (rational)! Run a minority shopper 🚀
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