[joshmarlow]

It's mentioned in the whitepaper - https://ethereum.org/en/whitepaper/

> Note that in the future, it is likely that Ethereum will switch to a proof-of-stake model for security, reducing the issuance requirement to somewhere between zero and 0.05X per year.

[baby]

Interesting, in any case I don’t think any decision was made to ease the transition at the time.