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tl;dr
- Merge progress — minor spec updates, engineering full steam forward 🚂
- No progress in consumer variety. Be egocentric, run a minority consumer!
Merge replace
Initially — improbable work to the entire engineering groups on the Kintsugi dash, which culminated within the launch of the Kintsugi Merge testnet. It’s unbelievable to see 3 execution purchasers and 5 consensus purchasers for a complete of 15 totally 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, unhealthy blocks, and numerous 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, purchasers develop into increasingly more secure.
Kiln reboot 🔥🧱
Groups recognized an vital situation a couple of 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 purchasers really perform in observe. The tl;dr is that, in some contexts, the consensus-layer was unintentionally inducing sudden 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 important, modification of the engine API and a associated breaking spec launch.
As we speak, the Kiln spec🔥🧱 was launched, and engineers are busy knocking out the adjustments. On the finish of this dash, groups purpose to deliver production-ready implementations to a brand new testnet for public consumption. Hold your eyes peeled for how one can take part.
From there, groups will transition public testnets to proof-of-stake earlier than making mainnet preparations.
Consumer variety metrics
Michael Sproul launched a brand new wave of client diversity metrics utilizing his novel fingerprinting mechanism. Sadly, the consumer distribution of validating nodes has not budged prior to now 6 months.
The range of consensus-layer consumer implementations permits Ethereum and its customers to have a singular and strong resilience to software program failures and assaults. Customers obtain some resiliance through the use of a minority consumer whatever the community make-up, however the community itself good points resiliance at a couple of key validator distribution thresholds.
If a single consumer:
- Doesn’t exceed 66.6%, a fault/bug in a single consumer can’t be finalized
- Doesn’t exceed 50%, a fault/bug in a single consumer’s forkchoice can not dominate the pinnacle of the chain
- Doesn’t exceed 33.3%, a fault/bug in a single consumer can not disrupt finality
From the appears of the fingerprinting mechanism, Prysm nonetheless sits above the 66.6% mark.
I wish to give an enormous shoutout to the groups, people, and communities taking consumer variety severely (exhibit A, exhibit B). Operating a minority consumer isn’t solely wholesome for the community however can be safer for the person person’s funds.
Be egocentric (rational)! Run a minority consumer 🚀
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