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From: Michael Gronager <gronager@ceptacle.com>
In-Reply-To: <CAPg+sBi25xP8R03y1VR=q4ZJaeT6FAuV=hXsq_7niSHycpnPuA@mail.gmail.com>
Date: Mon, 3 Dec 2012 13:24:56 +0100
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	<CAPg+sBi25xP8R03y1VR=q4ZJaeT6FAuV=hXsq_7niSHycpnPuA@mail.gmail.com>
To: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Chain dust mitigation: Demurrage based
	Chain Vacuuming
Precedence: list

> If this were a proposal at the time Bitcoin was created, I would =
definitely be in favor, but I feel we can't just change such a policy =
right now - it's not what people signed up for when they started using =
the system. I also see no way to implement this without a hard fork, =
which would require planning at least 1-2 years in advance (imho). By =
that time, the economic landscape of Bitcoin may be vastly different, =
and either dust spam will have killed it, or we will have found another =
solution already.

Bitcoin aka the blockchain is defined by the majority of the miners. =
This is what people have signed up to imo. A scheme that a) is of =
benefit for us all and b) is also of economical benefit for the miners, =
will likely be accepted quite fast - especially now when the bounty was =
just halved... I also fear that there is a lot of BTCs that is =
effectively un-owned and it could even drive Satoshi to use some of his =
BTCs ;)

> Personally, I think the best solution is to change the mining policy =
to prioritize (and perhaps favor for free relay/inclusion) transactions =
that reduce the number of UTXO's.

Agree - initially (and possibly in parallel) this would be a nice path =
to follow - it could be done solely by adjusting the relay fee: =
Transactions that increases the # UTXOs pay extra, those that reduce it =
pay less (symmetrical around a minimum fee). So in other words we 'tax' =
increasing the size of the UTXOs.

No matter how it is done - as long as a client is not punished for =
getting rid of dust, and clients are rewritten to do this automatically =
we could re-evaluate after a some time - but currently the number of =
UTXOs is growing rapidly.=20

/M


>=20
> --=20
> Pieter
> =20
> =
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