Altair Mainnet Announcement | Ethereum Foundation Blog

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The Altair beacon chain improve is able to be activated on the Ethereum mainnet. The improve will go reside at epoch 74240 (Oct 27, 2021, 10:56:23am UTC).

Shopper Variations

So as to be appropriate with the Altair improve, beacon node operators should replace the consumer model that they run. If you happen to run a validator, you should improve to proceed to observe the mainnet beacon chain. Failure to take action will end in downtime penalties.

The variations listed beneath are help the mainnet Altair improve.

Improve for Validators

Though this improve has been extensively examined if you’re a validator on Mainnet, we strongly suggest being on-line through the time of the improve within the occasion that any unforseen points emerge.

Bug Bounty Bonus

So as to get extra eyes on the Altair improve, all bounties for vulnerabilities associated to the Altair improve have been doubled between now and 4 weeks after the launch (Nov 27). Essential Altair bugs in each purchasers and specs are actually price as much as $100k.

See the bug bounty program for extra particulars.

FAQ

As an Ethereum consumer or Ether holder, is there something I must do?

This improve is solely for the beacon chain consensus mechanism and does not have an effect on end-user accounts, contracts, and state secured by the proof-of-work chain.

If you happen to run your personal beacon node, it’s essential to improve your node. See the “As a non-validator beacon node operator, what do I must do?”” part beneath.

As a non-validator beacon node operator, what do I must do?

Obtain the most recent model of your beacon node consumer, as listed within the desk above.

As a validator, what do I must do?

Obtain the most recent model of the software program you run, as listed within the desk above. Observe any directions within the launch and restart your node along with your normal restart process.

Observe, node software program that helps unbiased validator purchasers would require an improve and restart to this element as nicely. Please learn warnings and directions contained within the official releases.

What occurs if I’m a validator or node operator and I don’t take part within the improve?

If you’re utilizing a beacon node consumer that isn’t up to date to the most recent model (listed above), your consumer will sync to the pre-fork beacon chain as soon as the improve happens. You’ll be caught on an incompatible chain following the outdated guidelines.

If you happen to run a validator, the validator will probably be unable to take part within the upgraded consensus and can proceed to function on the post-upgrade beacon chain community. This can end in penalties with respect to the upgraded Mainnet chain.

What occurs throughout a beacon chain community improve?

After the Ethereum neighborhood involves an settlement regarding which modifications needs to be included within the improve, modifications to the protocol are written into the varied purchasers. The beacon chain protocol modifications are activated at a particular epoch quantity. Any nodes that haven’t been upgraded to the brand new ruleset will probably be deserted on the outdated chain the place the earlier guidelines might live on.

Why “Altair”?

After community discussion and emoji voting, consumer groups determined to make use of star names for every improve the place the sequence of improve names are in alphabetical order.

Altair begins with a “A”, is the twelfth brightest star within the night time sky, rotates fairly quickly with an equatorial velocity of 286 km/s, and is the placement of the Forbidden Planet. Fairly cool star if you happen to ask us.

Thanks!

Enormous shoutout to the entire researchers, engineers, and neighborhood members which have put an unbelievable quantity of labor into this primary beacon chain community improve.

Now, onward to the Merge 🚀

Disclaimer

That is an emergent and evolving extremely technical area. If you happen to select to implement the suggestions on this publish and proceed to take part, it is best to be sure to perceive the way it impacts you. It’s best to perceive that there are dangers concerned together with however not restricted to dangers like surprising bugs. By selecting to implement these suggestions, you alone assume the dangers of the results. This publish and proposals are usually not a sale of any variety, and don’t create any warranties of any variety together with however not restricted to something associated to the Ethereum community, or the Ethereum purchasers referred to herein.



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