[Bitcoin-development] A suggestion for reducing the size of the UTXO database
jim at ergophobia.org
Sat May 9 19:52:26 UTC 2015
On Sat, May 9, 2015 at 2:43 PM, Raystonn <raystonn at hotmail.com> wrote:
> How about this as a happy medium default policy: Rather than select UTXOs
>> based solely on age and limiting the size of the transaction, we select as
>> many UTXOs as possible from as few addresses as possible, prioritizing
>> which addresses to use based on the number of UTXOs it contains (more being
>> preferable) and how old those UTXOs are (in order to reduce the fee)?
> If selecting older UTXOs gives higher priority for a lesser (or at least
> not greater) fee, that is an incentive for a rational user to use the older
> UTXOs. Such policy needs to be defended or removed. It doesn't support
> privacy or a reduction in UTXOs.
Before starting this thread, I had completely forgotten that age was even a
factor in determining which UTXOs to use. Frankly, I can't think of any
reason why miners care how old a particular UTXO is when determining what
fees to charge. I'm sure there is one, I just don't know what it is. I just
tossed it in there as homage to Andreas who pointed out to me that it was
still part of the selection criteria.
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