OP, didn't I see this exact topic a couple months back. Did you just repost a thread you (or someone else) had already created earlier this year?
Anyway, this is a terrible idea, as I said in the original thread earlier this year.
There is no problem with gradually having fewer Bitcoin, especially since these days there are likely very few bitcoin being lost as it mostly happened in the early days due to people not caring to back up their keys since it wasn't worth much money anyway, and also just lack of established best practices in storing keys.
And there is no reason someone should have to move their Bitcoin if they don't want to. Like what would even be the point of this? Say a family is storing generational wealth in Bitcoin, in various wallets, and they slowly spend it over generations, and they have no reason to touch some of these wallets for generations, then suddenly their bitcoin is redistributed after 100 years?! There is literally no upside to this idea, only a potential downside, so I don't see why you would even come up with this idea.
Not to mention the fact that it would require a protocol change, for this idea that has a down side with no upside.
Those characters who came to the conclusion a few years ago that 3-4 million BTC was lost using the methodology "not moved x years = lost" should apologize publicly for creating such confusion that obviously has nothing to do with reality.
In addition to what Satoshi mined, and those few characters who lost a few thousand BTC on thrown/locked hard drives, and those who deliberately burn some BTC, I think that maybe less than 10% of max supply is currently lost.
However, as I read in some posts before, in the future it will be possible to "save" some of these coins, and then we will really know if they were really lost or just stored safely.
Yes I was going to say this. The idea that like 4 million bitcoin are lost is clearly not true. From what I've always seen the calculation involves, as you say Lucius, assuming any bitcoin that hasn't moved in something like 10+ years is lost. But this is obviously not the case, as every few weeks someone moves some Bitcoin from 2010/2011/2012. Heck, Tim Draper bought something like 27000 bitcoin back in 2014 from the US Govt, and presumably hasn't moved it since, so according to this standard calculation all his bitcoin will be "lost" in a couple years lol. The number of lost bitcoin can of course never be known, but it is likely not much above 2 million. I think 10% of all bitcoin that will ever be created, being already lost, is probably a good estimate. We've got roughly 1 million from Satoshi that is presumably lost, and probably 1+ million from everyone else.