Hi Erik, I don't think that your design is competitive. Why would users tolerate a depreciation of X% per year, when there are alternatives which do not require such depreciation? It seems to me that none would. Paul On 6/20/2017 9:38 AM, Erik Aronesty wrote: > - a proof-of-burn sidechain is the ultimate two-way peg. you have to > burn bitcoin *or* side-chain tokens to mine the side chain. the size > of the burn is the degree of security. i actually wrote code to do > randomized blind burns where you have a poisson distribution > (non-deterministic selected burn). there is no way to game it... > it's very similar to algorand - but it uses burns instead of staking > > - you can then have a secure sidechain that issues a mining reward in > sidechain tokens, which can be aggrregated and redeemed for bitcoins. > the result of this is that any bitcoins held in the sidechain > depreciate in value at a rate of X% per year. this deflation rate > pays for increased security > > - logically this functions like an alt coin, with high inflation and > cheap transactions. but the altcoin is pegged to bitcoin's price > because of the pool of unredeemed bitcoins held within the side chain. > > > > On Tue, Jun 20, 2017 at 7:54 AM, Paul Sztorc > wrote: > > Hi Erik, > > As you know: > > 1. If a sidechain is merged mined it basically grows out of the > existing Bitcoin mining network. If it has a different PoW > algorithm it is a new mining network. > 2. The security (ie, hashrate) of any mining network would be > determined by the total economic value of the block. In Bitcoin > this is (subsidy+tx_fees)*price, but since a sidechain cannot > issue new tokens it would only be (tx_fees)*price. > > Unfortunately the two have a nasty correlation which can lead to a > disastrous self-fulfilling prophecy: users will avoid a network > that is too insecure; and if users avoid using a network, they > will stop paying txn fees and so the quantity (tx_fees)*price > falls toward zero, erasing the network's security. So it is quite > problematic and I recommend just biting the bullet and going with > merged mining instead. > > And, the point may be moot. Bitcoin miners may decide that, given > their expertise in seeking out cheap sources of power/cooling, > they might as well mine both/all chains. So your suggestion may > not achieve your desired result (and would, meanwhile, consume > more of the economy's resources -- some of these would not > contribute even to a higher hashrate). > > Paul > > > > > On 6/19/2017 1:11 PM, Erik Aronesty wrote: >> It would be nice to be able to enforce that a drivechain *not* >> have the same POW as bitcoin. >> >> I suspect this is the only way to be sure that a drivechain >> doesn't destabilize the main chain and push more power to miners >> that already have too much power. >> >> > >