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Re:Vitalik Buterin Proposes New EIP to Tackle Ethereum’s Sky... by g42gregory on Monday November 29, 2021 @01:07PM (#29383012)
Great information to know. Thank you for the summary.

Are there any good information sources where we could get up to speed on the problems you mentioned above and similar issues?

The usual news sources are not very informative.

Re:Vitalik Buterin Proposes New EIP to Tackle Ethereum’s Sky... by hanniabu on Monday November 29, 2021 @03:05PM (#29384532)
https://polynya.medium.com/

Scroll to their first article (it's not that far) and work backwards.

Re:Vitalik Buterin Proposes New EIP to Tackle Ethereum’s Sky... by g42gregory on Monday November 29, 2021 @04:59PM (#29385813)
This is a great blog on cryptocurrency. Thank you!