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Date: Fri, 14 Jun 2013 22:50:31 +0200
From: Adam Back <adam@cypherspace.org>
To: Peter Todd <pete@petertodd.org>
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Cc: Bitcoin-Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] is there a way to do bitcoin-staging?
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Agreed.  What I mean is a coinbase for parity-priced alt-coin would be
intentionally considered (and required by the alt-coin to be considered) an
invalid bitcoin address, and vice versa.  The difference is for this purpose
it is both valid alt-coin coinbase (as well as unspendable bitcoin
coinbase).

Adam

On Fri, Jun 14, 2013 at 03:20:58PM -0400, Peter Todd wrote:
>On Thu, Jun 13, 2013 at 03:39:32PM +0200, Adam Back wrote:
>> I had one thought towards this which is a different kind of merged mining.
>>
>> I think a "fair" merged mining aiming for price parity would be done by the
>> miner having to choose the altcoin or btc at mine time, and altcoin chain
>> considering btc mine unspendable and bitcoin considering ac unspendable.
>
>One way to look at what you are describing is to say you want to prove
>your sacrifice of potential BTC earnings. That goes back to the PoW
>hashcash stuff I mentioned earlier, and is accomplished by simply mining
>shares with an unspendable coinbase to prove you did work that could
>have resulted in Bitcoins, but didn't.