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Good luck with that too.

It's already being done. There is a ton of financial transactions in the DeFi space happening on Ethereum right now and other protocols on other chains are rapidly being developed and rolled out.

I'm not saying ether is a ghost town, I'm saying good luck making bitcoin an irrelevance to the point its energy use drops.

Ether is the number 2 coin and has been steadily gaining on Btc. Do you think everyone uses Btc exclusively?

No, but I don't think ether uses PoS either (though I know they've been trying to move to it for years).

Further, whether or not some folks move to ethereum is more or less irrelevant to whether BTC carries on doing what it's doing. The problem is not individuals making the switch, it's getting enough people to switch in order to reduce the energy footprint of BTC.

They've been trying for years but now it's been running smoothly in production for several months. They plan a few minor tweaks, then after watching it some more they'll migrate the legacy chain to it. That's a fairly simple software engineering task, rather than the difficult research challenge that PoS has been until recently.

The other big change on the way is a massive increase in scalability, which I'm hoping will help move the market in a more sustainable direction.

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