Re: [Bitcoin-development] merged mining hashcash bitcoin (Re: Coinbase TxOut Hashcash)

2013-05-14 Thread Jeff Garzik
On Tue, May 14, 2013 at 5:25 AM, Adam Back a...@cypherspace.org wrote: On Mon, May 13, 2013 at 06:00:27PM -0400, Jeff Garzik wrote: When a transaction's input value exceeds its output value, the remainder is the transaction fee. The miner's reward for processing transactions is the 25 BTC

Re: [Bitcoin-development] merged mining hashcash bitcoin (Re: Coinbase TxOut Hashcash)

2013-05-14 Thread Adam Back
On Tue, May 14, 2013 at 12:50:27PM -0400, Jeff Garzik wrote: Well if it is a later transaction, not an integral part of the reward transaction (that is definitionally mined by being serialized into the coinbase), the user may elect to withhold the promised transaction give-to-miner, so thats

Re: [Bitcoin-development] merged mining hashcash bitcoin (Re: Coinbase TxOut Hashcash)

2013-05-13 Thread Adam Back
On Mon, May 13, 2013 at 07:31:21AM +, John Dillon wrote: [with] merge-mining [you get] more value from just one unit of work. correct. But Peter's coinbase hashcash protocol carefully ensures [...] the amount of value the miner would have then given away in a anyone-can-spend output. I

Re: [Bitcoin-development] merged mining hashcash bitcoin (Re: Coinbase TxOut Hashcash)

2013-05-13 Thread Adam Back
Some musings about the differences between Peter's proof-of-sacrifice (you did the work but elected to make the small reward chance unclaimable), vs conventional actually doing the work but then destroying the bitcoin! - proof-of-sacrifice seems similiar to hashcash except its difficulty is

Re: [Bitcoin-development] merged mining hashcash bitcoin (Re: Coinbase TxOut Hashcash)

2013-05-13 Thread Jeff Garzik
On Mon, May 13, 2013 at 5:12 PM, Adam Back a...@cypherspace.org wrote: When you said destroy-via-miner-fee: Don't forget: 4. destroy-via-miner-fee, which is useful because it provides funding for a public service (bitcoin transaction verification). Is that directly possible? Because the

Re: [Bitcoin-development] merged mining hashcash bitcoin (Re: Coinbase TxOut Hashcash)

2013-05-13 Thread John Dillon
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 - what about if a pool could lock the reward (rather than receive it or destroy it) eg some kind of merkle root instead of a public key hash in the reward recipient address field in the coinbase. Sorry I don't have time for a full reply due