Post
Topic
Board Announcements (Altcoins)
Re: [ANN] [PPC] PPCoin Released! - First Long-Term Energy-Efficient Crypto-Currency
by
Anonymousg64
on 29/03/2014, 08:51:44 UTC
Please if anybody can answer this guys questions, it would be great for ALL PoS coins. Idk why this was only shared with mint forum...

im still on the fence


can someone explain how this stops someone from generating lots of PoS blocks 20 days in the future from a bunch of TX's with small interval, whether through one or multiple wallets

Code:
ss << nStakeModifier;
ss << nTimeBlockFrom << nTxPrevOffset << txPrev.nTime << prevout.n << nTimeTx;
hashProofOfStake = Hash(ss.begin(), ss.end());
if(CBigNum(hashProofOfStake) > bnCoinDayWeight * bnTargetPerCoinDay)
    return false;


im not well enough versed with the code to know what these variable names imply

I am not sure I totally understand the question  but the network will reject blocks with a time stamp more than 2 hours off hence POS blocks generated with future time won't help you now. If you save the found blocks and broadcast the result when time is due, remember that any unspent tx  finds a POS block, this tx will not be allowed to find a POS block in 30 days, and the POS reward will be proportional to the coin age of the tx. That means you can't use this method to get more than your reward than the stake you have. All you get is better compounding of POS reward ("interest of interest").

im talking about TX's generated something like a second apart, a huge consecutive set of TX's
20 days from that point, will i see a huge set of consecutive PoS blocks?
the wallet software may have delays and take many tx inside a time window, but this cannot be relied upon since someone could make a wallet without such limitations
or do the attack with multiple wallets