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Re:Bitcoin's fungibility graveyard by idiotsecant on Saturday February 05, 2022 @11:18PM (#30229369)
Exactly. Any crypto system that doesn't have the ability to break the chain of custody of 'tainted' coins is doomed to irrelevancy. Think about it - on day 0 no coins are tainted. Let's say on week 1 5% of coins are tainted and effectively frozen, leaving 90% of coins in circulation. The illegal activity doesn't stop - it just taints more coins. Maybe week 2 5% of those remaining get tainted, week 3 5% of the remaining after that, etc... Eventually you asymptotically approach absolute uselessness. I think Monero and Ethereum have both thought about this and i'm sure others exist out there too. BTC is stuck in a development graveyard and can't think about things like this- it seems doomed to irrelevancy.
Re:Bitcoin's fungibility graveyard by bradleyjg on Sunday February 06, 2022 @05:29AM (#30231183)
Aren’t the tainted coins cleaned by government seizure and subsequent auction? If you have a tainting and cleaning mechanism then all tainted is not inevitable.
Re:Bitcoin's fungibility graveyard by flir on Saturday February 05, 2022 @11:25PM (#30229413)
The tainted coins are the same as lost coins. There's already a solution baked into bitcoin for that (divisibility).
Re:Bitcoin's fungibility graveyard by ulrikrasmussen on Sunday February 06, 2022 @12:51AM (#30229864)
The theoretical maximum number of satoshis in existence per person on earth is just short of 266,000. That's assuming all 21m coins are minted and that none are lost. I feel like this is already quite a small number if you want to represent a global currency, so can the system really afford to continuously burn away BTC at a relatively large rate?
Re:Bitcoin's fungibility graveyard by flir on Sunday February 06, 2022 @07:11AM (#30231811)
You can always move the decimal point. It's all just software, it's all mutable if you can get enough people to agree.

(Not meaning to come off as a fanboy, I think bitcoin==beaniebabies. I just don't think the "bad coins" problem is actually a problem, even if you consider Gresham's Law. Physical currencies have been through similar things and survived).

Re:Bitcoin's fungibility graveyard by idiotsecant on Monday February 07, 2022 @12:20PM (#30247894)
Historically, BTC has not been willing to make changes like this. The community is culturally (and I would argue pathologically) opposed to even minor changes, which I think would be even more true when more divisibility would lead to potentially lowering the value of existing user's token by reducing scarcity. I'm not convinced such a change would be feasible given those constraints and if it's not the maximum divisibility of BTC is quite low assuming it becomes some kind of world currency - if I can only have ~250k 'units' of currency the smallest amount of 'money' I can spend becomes quite large.
Re:Bitcoin's fungibility graveyard by cozzyd on Sunday February 06, 2022 @02:07AM (#30230162)
It puts a hard cap on income inequality!
Re:Bitcoin's fungibility graveyard by 8ytecoder on Sunday February 06, 2022 @05:12AM (#30231078)
That’s not how it works. Income inequality is not just the “number” of coins but what it’s worth as opposed to something - with inequality it becomes everyday goods and services. The cost of goods can easily continue to worsen inequality. There’s only one real world soft limit - a revolution that resets the clock.
Re:Bitcoin's fungibility graveyard by bruce511 on Sunday February 06, 2022 @01:24AM (#30230000)
Once all coins are tainted (or even some large %) then none of them are tainted.

"All $ bills have cocaine on them, hence no one cares if your bills have cocaine on them" [1]

[1] yeah, I get this is likely an urban myth, but the analogy holds even if it is a myth..

Re:Bitcoin's fungibility graveyard by rkagerer on Saturday February 05, 2022 @11:47PM (#30229538)
That assumes taint can never get diluted.