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From: Christopher Gilliard <christopher.gilliard@gmail.com>
To: Peter Todd <pete@petertodd.org>
Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] BIP - limiting OP_RETURN / HF
Date: Sat, 17 Apr 2021 16:57:34 +0000	[thread overview]
Message-ID: <CAK=nyAzZ5zXt3e68coXMYBhLri4FcCr=kAAo05oiGPVoGH4Ujg@mail.gmail.com> (raw)
In-Reply-To: <20210417155008.GA3373@petertodd.org>

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Peter, thanks for the links. I'm aware that there are other timestamping
aggregation services that already exist, but I had some different ideas
that integrate into some other services. Also thanks for sending the link
to the single use seal asset transfer. I will take a look at that.

On Sat, Apr 17, 2021 at 3:50 PM Peter Todd <pete@petertodd.org> wrote:

> On Sat, Apr 17, 2021 at 03:57:55AM +0000, Christopher Gilliard via
> bitcoin-dev wrote:
> > Thanks ZmnSCPxj. Yes, I agree there are many ways to embed arbitrary data
> > in the blockchain and it's not feasible to block all of them. That is why
> > it's important to, at the same time as limiting the OP_RETURN to one per
> > block, also propose and implement a layer 2 solution for timestamping
> > so people have a clear and simple upgrade path. That is what I will be
> > discussing in one of the BIPs I intend to release early next week.
>
> Note that an aggregated timestamping service already exists:
>
> https://petertodd.org/2016/opentimestamps-announcement
>
> But timestamping is useless for most things people want to do, as it can't
> commit to a unique history. It merely proves something existed in the
> past. For
> uniqueness, you need something like:
>
> https://petertodd.org/2017/scalable-single-use-seal-asset-transfer
>
>
> Anyway, at current fees being what they are there's no compelling reason
> to try
> to prevent people from embedding data in the Bitcoin block chain with
> consensus
> changes. Economics is preventing that just fine.
>
> --
> https://petertodd.org 'peter'[:-1]@petertodd.org
>

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  reply	other threads:[~2021-04-17 16:57 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-16  7:45 [bitcoin-dev] BIP - limiting OP_RETURN / HF Christopher Gilliard
2021-04-16 13:56 ` Russell O'Connor
2021-04-16 15:34   ` Christopher Gilliard
2021-04-16 15:55     ` Andrew Poelstra
2021-04-16 23:52     ` ZmnSCPxj
2021-04-17  3:57       ` Christopher Gilliard
2021-04-17 15:50         ` Peter Todd
2021-04-17 16:57           ` Christopher Gilliard [this message]
2021-04-16 13:59 ` Clark Moody
2021-04-16 15:33   ` Christopher Gilliard
2021-04-16 16:32 ` Jeremy
2021-04-16 17:05   ` Christopher Gilliard
2021-04-16 18:00     ` Jeremy
2021-04-16 19:15 ` Kostas Karasavvas
2021-04-16 20:12   ` Christopher Gilliard
2021-04-17  7:41     ` Kostas Karasavvas
2021-04-16 20:30   ` Ruben Somsen
2021-04-16 21:09     ` Christopher Gilliard
2021-04-20  1:23     ` yanmaani
2021-04-20  8:45       ` Zach Greenwood
2021-04-20 17:12         ` Christopher Gilliard
2021-04-20 19:07       ` Ruben Somsen
2021-05-03  5:17         ` ZmnSCPxj
2021-05-04 12:51           ` Ruben Somsen
2021-04-20  1:22 ` yanmaani

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