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Date: Fri, 13 Sep 2013 21:10:08 -0400
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From: Jeff Garzik <jgarzik@bitpay.com>
To: Turkey Breast <turkeybreast@yahoo.com>
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Cc: "bitcoin-development@lists.sourceforge.net"
	<bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] New Output Script Type
Precedence: list

See https://github.com/bitcoin/bitcoin/pull/2738

On Fri, Sep 13, 2013 at 8:51 PM, Turkey Breast <turkeybreast@yahoo.com> wrote:
> http://www.proofofexistence.com/
>
> and
>
> https://github.com/spesmilo/sx/blob/master/src/sx-embed-addr
>
> Embedding data in the blockchain as a hash is out there and a reality.
>
> I suggest that there should be a new payment type that is unspendable to
> support this.
> Like you have pubkey_hash, pubkey, script_hash, ..., "embed_hash"
>
> Maybe just a script with a single 20 byte push data.
>
> Advantages:
>
> * Optimisation possibilities (you know this can't be spent, and the script
> can't be processed).
> * Avoid indexing in an address database Bitcoin addresses which are
> currently being
> used to index data. They will never be spent, yet they will be indexed
> because they look
> identical to normal Bitcoin addresses.
>
> By separating this class of Bitcoin usage, we can improve the core Bitcoin
> payments system.
>
>
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-- 
Jeff Garzik
Senior Software Engineer and open source evangelist
BitPay, Inc.      https://bitpay.com/