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.

-- 
'peter'[:-1]@petertodd.org
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