Re: [bitcoin-dev] Minimum fees

From: WMOURA <neo.m.revolutions@gmail•com>
To: Giuseppe B <beppeben2030@gmail•com>,
	 Bitcoin Protocol Discussion
	<bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] Minimum fees
Date: Thu, 2 Mar 2023 23:45:02 -0300	[thread overview]
Message-ID: <CAJ12oL1UmUJjRhircdxWH7znSCH5bmnqsgabUS74Ns4EU_VLzA@mail.gmail.com> (raw)
In-Reply-To: <CABrXkXoq4x9aRuk0ZnfPmqE-TXZfROMuAMTwCO9VCcTnJ+snNA@mail.gmail.com>

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Hello,

In my amateur opinion, I imagine that this would give excessive power
to the miner, introducing a bug in the system, because if the miner
put an absurdly high minimum rate intentionally or not, this would
cause a serious problem, or not.

Em qua., 1 de mar. de 2023 às 17:25, Giuseppe B via bitcoin-dev <
bitcoin-dev@lists•linuxfoundation.org> escreveu:

> Hello everyone,
>
> I'm relatively new here so what I'm proposing could have already been
> discussed, or may be flawed or inapplicable. I apologize for that.
>
> I was picturing a situation where block rewards are almost zero, and the
> base layer is mainly used as a settlement layer for relatively few large
> transactions, since the majority of smaller ones goes through LN.
>
> In such a case it may very well be that even if transaction amounts are
> very consistent, transaction fees end up being very small since there is
> enough space for everyone in a block. Users wouldn't mind paying higher
> fees as they know that that would increase the network security, however
> nobody wants to be the only one doing that. Miners would of course like
> being paid more. So everyone involved would prefer higher fees but they
> just stay low because that's the only rational individual choice.
>
> Therefore I was imagining the introduction of a new protocol rule,
> min_fees, that would work like this:
> - the miner that gets to mine a block appends a min_fee field to the
> block, specifying the minimum fees that need to be contained in the
> following block in order for it to be valid.
> - one can also mine an empty block and reset the min_fee, to avoid the
> chain getting stuck.
>
> min_fees could either represent the total fees of the following block, or
> the minimal fee for each single transaction, as a percentage of the value
> transacted. Both seem to have some merits and some potential drawbacks. Of
> course min_fees=0 would correspond to the current situation.
>
> It looks to me that this could have the potential to bring the equilibrium
> closer to a socially optimal one (as opposed to individually optimal), and
> to benefit the network security in the long term. Of course it's just a
> rough sketch and it would deserve a much deeper analysis. I was just
> interested in knowing if you think that the principle has some merit or if
> it's not even worth discussing it for some reason that I'm not considering.
>
> Cheers,
>
> Giuseppe.
>
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