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From: Eric Lombrozo <elombrozo@gmail.com>
In-Reply-To: <D7EE14EC-B36D-43F2-8CEC-B63443FBBCA8@me.com>
Date: Thu, 23 Jul 2015 18:28:25 -0700
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To: Jean-Paul Kogelman <jeanpaulkogelman@me.com>
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Cc: Jean-Paul Kogelman via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Bitcoin Core and hard forks
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I suppose you can use a timelocked output that is spendable by anyone =
you could go somewhat in this direction=E2=80=A6the thing is it still =
means the wallet must make fee estimations rather than being able to get =
a quick quote.

> On Jul 23, 2015, at 6:25 PM, Jean-Paul Kogelman =
<jeanpaulkogelman@me.com> wrote:
>=20
> I think implicit QoS is far simpler to implement, requires less =
parties and is closer to what Bitcoin started out as: a peer-to-peer =
digital cash system, not a peer-to-let-me-handle-that-for-you-to-peer =
system.
>=20
> jp
>=20
>> On Jul 24, 2015, at 9:08 AM, Eric Lombrozo <elombrozo@gmail.com> =
wrote:
>>=20
>> By using third parties separate from individual miners that do =
bidding on your behalf you get a mechanism that allows QoS guarantees =
and shifting the complexity and risk from the wallet with little =
computational resources to a service with abundance of them. Using =
timelocked contracts it=E2=80=99s possible to enforce the guarantees.
>>=20
>> Negotiating directly with miners via smart contracts seems difficult =
at best.
>>=20
>>=20
>>> On Jul 23, 2015, at 6:03 PM, Jean-Paul Kogelman via bitcoin-dev =
<bitcoin-dev@lists.linuxfoundation.org> wrote:
>>>=20
>>> Doesn't matter.
>>>=20
>>> It's not going to be perfect given the block time variance among =
other factors but it's far more workable than guessing whether or not =
your transaction is going to end up in a block at all.
>>>=20
>>> jp
>>>=20
>>>=20
>>>> On Jul 24, 2015, at 8:53 AM, Peter Todd <pete@petertodd.org> wrote:
>>>>=20
>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>> Hash: SHA256
>>>>=20
>>>>=20
>>>>=20
>>>>> On 23 July 2015 20:49:20 GMT-04:00, Jean-Paul Kogelman via =
bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
>>>>>=20
>>>>> And it's obvious how a size cap would interfere with such a QoS =
scheme.
>>>>> Miners wouldn't be able to deliver the below guarantees if they =
have to
>>>>> start excluding transactions.
>>>>=20
>>>> As mining is a random, poisson process, obviously giving guarantees =
without a majority of hashing power isn't possible.
>>>>=20
>>>>=20
>>>> -----BEGIN PGP SIGNATURE-----
>>>>=20
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>>>> =3DLY1+
>>>> -----END PGP SIGNATURE-----
>>> _______________________________________________
>>> bitcoin-dev mailing list
>>> bitcoin-dev@lists.linuxfoundation.org
>>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>>=20


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