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Some answers about I0coin...
Q: What happened (if anything) to i0coin when it was hard-forked? What happened when it "died" early in its life?
A:I0coin was updated to bitcoin 0.8.x base. It fixed some issues, like the asymmetric diffuculty adjustment, block size limits and BIP16/BIP30 IIRC (see original resurrection thread i0coin.snel.it) It 'died' because the client used too much memory, people (and exchanges) didn't want to run it. It was kept alive by a small group of people until I fixed the memory issue.
Q: Who now controls the development of these coins?
A: No official, however the github source code of the latest version is public. I0coin development is controlled by me. Simple onemanshow, stay close to current bitcoin, do not experiment, do not change stuff. Stability is important
Q: What unique security concerns exist for these two coins?
A: IXcoin had (has?) asymmetric difficulty adjustment, which allows 51% attackers to produce more blocks than they should be able to. Also: hashrate is available to attackers without opportunity cost, because they can mine bitcoin and attack IXcoin I0coin at the same time. Large pools can do this attack trivially on I0coin since the hashrate is far behind
Q: What distinguishes a "mature" alt-coin from new, "immature" brethren?
A: iXcoin has been around for 3 years without issue, furthermore it is among the top 4 in hash rate among all coins. I0coin is almost as old as IXcoin, has a reasonable hashrate.
Q: Will pools drop these coins when rewards are tx fee-only?
A: This is unknown. Mining is free, why would they drop it?
Q: What compelling reason do pools have to merge mine the coins if transaction fees, coin activity, and coin value are low?
A: iXcoin has been merged mined most of its life. We have not seen a drop off in mining. Free extras are always nice. Some pools seem to be afraid that the high blockrate of I0coin damages the efficiency of BTC mining, a good implementation of merged mining can't suffer from the high blockrate
Q: How does scarcity affect value, absent much demand?
A: Demand is certainly an issue with iXcoin. We hope innovation will spur demand. Financial instruments should be dependable and boring (personal opinion rsnel), no innovation in I0coin (except following bitcoin)
Q: Why is IXCoin currently worth more than I0Coin?
A: There are more I0coin, I0coin is traded in only one exchange, iXcoin has a massive hash rate that dwarfs I0Coin. Agree
A:I0coin was updated to bitcoin 0.8.x base. It fixed some issues, like the asymmetric diffuculty adjustment, block size limits and BIP16/BIP30 IIRC (see original resurrection thread i0coin.snel.it) It 'died' because the client used too much memory, people (and exchanges) didn't want to run it. It was kept alive by a small group of people until I fixed the memory issue.
Q: Who now controls the development of these coins?
A: No official, however the github source code of the latest version is public. I0coin development is controlled by me. Simple onemanshow, stay close to current bitcoin, do not experiment, do not change stuff. Stability is important
Q: What unique security concerns exist for these two coins?
A: IXcoin had (has?) asymmetric difficulty adjustment, which allows 51% attackers to produce more blocks than they should be able to. Also: hashrate is available to attackers without opportunity cost, because they can mine bitcoin and attack IXcoin I0coin at the same time. Large pools can do this attack trivially on I0coin since the hashrate is far behind
Q: What distinguishes a "mature" alt-coin from new, "immature" brethren?
A: iXcoin has been around for 3 years without issue, furthermore it is among the top 4 in hash rate among all coins. I0coin is almost as old as IXcoin, has a reasonable hashrate.
Q: Will pools drop these coins when rewards are tx fee-only?
A: This is unknown. Mining is free, why would they drop it?
Q: What compelling reason do pools have to merge mine the coins if transaction fees, coin activity, and coin value are low?
A: iXcoin has been merged mined most of its life. We have not seen a drop off in mining. Free extras are always nice. Some pools seem to be afraid that the high blockrate of I0coin damages the efficiency of BTC mining, a good implementation of merged mining can't suffer from the high blockrate
Q: How does scarcity affect value, absent much demand?
A: Demand is certainly an issue with iXcoin. We hope innovation will spur demand. Financial instruments should be dependable and boring (personal opinion rsnel), no innovation in I0coin (except following bitcoin)
Q: Why is IXCoin currently worth more than I0Coin?
A: There are more I0coin, I0coin is traded in only one exchange, iXcoin has a massive hash rate that dwarfs I0Coin. Agree
Re: [ANN][HUC] Huntercoin - Human Minable - MMOCG - Update 24/Feb/14
Snailbrain, have you tried having a chat with rsnel about the daemon/merge mining crash? He's pretty clued up on the whole thing..... 
Yes, I got the crash logs. Other developers were faster than me. Crash seems to be related to non-thread safity in the JSON IO library.
Re: [ANN][HUC] Huntercoin - Human Minable - HF- UPDATE 1.05 - 9th/Feb/14
HHeaAjFpPh4sQDzvJWFS1dUpzZ42oFEsQF anaybody herlp my again vro 1.05HUC? 
i do;t have bitcoin for buy huc! i have only dogecoin and leafcoin....FUCK WALLET.DAT! 
i do;t have bitcoin for buy huc! i have only dogecoin and leafcoin....FUCK WALLET.DAT! come on, be honest,
did you get killed?
LOL my wallet has crashed and lost any huc!!!
I give you wallet.dat for testing...for my crashed..i don't understand is possible HACKED??
Wallet.dat
Your wallet seems to work perfectly fine here. I managed to send your coins to myself for safekeeping.
Create a new wallet and give me an address to send your coins (minus network transaction fees) to and NEVER AGAIN post your wallet online!
ok thx man...for my not working that wallet.dat probably windows is my problem :-? HHeaAjFpPh4sQDzvJWFS1dUpzZ42oFEsQF this is my address and thx!
Sent: http://huc.explorer.dot-bit.org/a/HHeaAjFpPh4sQDzvJWFS1dUpzZ42oFEsQF
Re: [ANN][HUC] Huntercoin - Human Minable - HF- UPDATE 1.05 - 9th/Feb/14
HHeaAjFpPh4sQDzvJWFS1dUpzZ42oFEsQF anaybody herlp my again vro 1.05HUC? i do;t have bitcoin for buy huc! i have only dogecoin and leafcoin....FUCK WALLET.DAT!
i do;t have bitcoin for buy huc! i have only dogecoin and leafcoin....FUCK WALLET.DAT! come on, be honest,
did you get killed?
LOL my wallet has crashed and lost any huc!!!
I give you wallet.dat for testing...for my crashed..i don't understand is possible HACKED??
Wallet.dat
Your wallet seems to work perfectly fine here. I managed to send your coins to myself for safekeeping.
Create a new wallet and give me an address to send your coins (minus network transaction fees) to and NEVER AGAIN post your wallet online!
Indeed:
nFees is passed as a reference, so it is updated
Will look further, I suspect some edge case in the calculation of the fees. That would be why this error only occurs in a busy game and not in a test setup.
I still would place a debug output at line 1320, detailing vtx[0].getValueOut() and GetBlockValue()
Code:
bool CTransaction::ConnectInputs(CTxDB& txdb, map& mapTestPool, CDiskTxPos posThisTx,
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee)
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee)
nFees is passed as a reference, so it is updated
Will look further, I suspect some edge case in the calculation of the fees. That would be why this error only occurs in a busy game and not in a test setup.
I still would place a debug output at line 1320, detailing vtx[0].getValueOut() and GetBlockValue()
My guess:
Failure probably is in CBlock::ConnectBlock() at line 1319.
nFees is initailized at 0, never changed and then vtx[0].getValueOut is checked against GetBlockValue(pindex->nHeight, nFees), since nFees == 0 this silently fails.
Edit:
As can be seen here: CBlock::SetBestChain() craps out at if(!ConnectBlock()) at line 1451. First visible error is from InvalidChainFound(), so ConnectBlock() fails silently (could also be txdb.Write(), but seems unlikely).
Edit2: mmmm, if nFees really doesn't get updated, why doesn't this function fail more often?
Failure probably is in CBlock::ConnectBlock() at line 1319.
nFees is initailized at 0, never changed and then vtx[0].getValueOut is checked against GetBlockValue(pindex->nHeight, nFees), since nFees == 0 this silently fails.
Edit:
Code:
keypool keep 882
InvalidChainFound: invalid block=7ee9a9e1ff1ffc925894 height=39735 work=216983967497595029143
InvalidChainFound: current best=77c39192bb4a4a8a88f2 height=39734 work=216897912273401034588
ERROR: SetBestChain() : ConnectBlock failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
ERROR: BitcoinMiner : ProcessBlock, block not accepted
InvalidChainFound: invalid block=7ee9a9e1ff1ffc925894 height=39735 work=216983967497595029143
InvalidChainFound: current best=77c39192bb4a4a8a88f2 height=39734 work=216897912273401034588
ERROR: SetBestChain() : ConnectBlock failed
ERROR: AcceptBlock() : AddToBlockIndex failed
ERROR: ProcessBlock() : AcceptBlock FAILED
ERROR: BitcoinMiner : ProcessBlock, block not accepted
As can be seen here: CBlock::SetBestChain() craps out at if(!ConnectBlock()) at line 1451. First visible error is from InvalidChainFound(), so ConnectBlock() fails silently (could also be txdb.Write(), but seems unlikely).
Edit2: mmmm, if nFees really doesn't get updated, why doesn't this function fail more often?
Re: [ANN][HUC] Huntercoin -Human Mining + DualAlgo (scrypt/sha256) & MergeMineable
I bought the characters but I do not appear. What happens?
Screen => http://imageshack.com/a/img819/5493/e404.jpg
Screen => http://imageshack.com/a/img819/5493/e404.jpg
You need to wait for the sync to complete, then your characters will become active. After that you need to move them off of the colored squares asap. If they stay there too long (30 blocks), they will be killed.
Re: [ANN][HUC] Huntercoin -Human Mining + DualAlgo (scrypt/sha256) & MergeMineable
Am I allowed to have squads of different colors?
Because when I create squads of other colors than my starting squad (red) the whole squad gets killed withing 10 or so blocks, and I lose the 1 HUC.
Because when I create squads of other colors than my starting squad (red) the whole squad gets killed withing 10 or so blocks, and I lose the 1 HUC.
If you create a new team, you must move it from the spawn/bank area (colored tiles). Otherwise they will be killed in 30 blocks.
Thank you so much!! where can I send you some HUC?
If you want, you can send me some HUC at HUV6mAw5BaaRL7CaUHXpMjqt5ztLnU3z4H
Thanks!
Re: [ANN][HUC] Huntercoin -Human Mining + DualAlgo (scrypt/sha256) & MergeMineable
Am I allowed to have squads of different colors?
Because when I create squads of other colors than my starting squad (red) the whole squad gets killed withing 10 or so blocks, and I lose the 1 HUC.
Because when I create squads of other colors than my starting squad (red) the whole squad gets killed withing 10 or so blocks, and I lose the 1 HUC.
If you create a new team, you must move it from the spawn/bank area (colored tiles). Otherwise they will be killed in 30 blocks.
Re: [9 TH] Bitparking Pool, DGM 0%,vardiff,stratum,Merge Mining
Request: please add HunterCoin (HUC). Bounty is offered for the first major SHA256 pool https://bitcointalk.org/index.php?topic=435170.0
This coin accepts scrypt PoW (merged or not) and sha256d PoW (merged or not) and includes a blockchain-backed game.
This coin accepts scrypt PoW (merged or not) and sha256d PoW (merged or not) and includes a blockchain-backed game.
@FrictionLessCoin & @sidhujag
I'm glad you two took the task of upgrading DVC and IXC.
Small remark about generating binaries, for I0coin I use the official bitcoin-way of building, documented in 'release-process.md'.
I'm glad you two took the task of upgrading DVC and IXC.
Small remark about generating binaries, for I0coin I use the official bitcoin-way of building, documented in 'release-process.md'.
glad to see it back, hope Cryptsy adds it soon.
It seems the developer has not posted at https://bitcointalk.org/index.php?topic=224744.80 for more than a month and he hasn't even thanked you on this thread. Hard to take a coin seriously without an active dev.
Note that the official tread of the I0coin resurrection is: https://bitcointalk.org/index.php?topic=268228.msg2870517 and the website is http://i0coin.snel.it/
The sourcecode is synched with current stable bitcoin 0.8.5 and Just Works.
My previous small "Good news!" post was an implicit thanks.
Hi paladin_avatar16,
Thanks, you're very generous! I intend to keep maintaining I0coin.
Greetings,
Rik.
Well, here I am - beeing out of the loop for a while ... And when I come back? I find i0coin fixed ...
Well bounty 1 + 2 + a "little" extra is on the way (c831b5a2ba243b9e7b5f59a2990226e66be647b3abb7e62abfc2615fd30646a4-000) ...
Hope you keep maintaining the coin ...
THX
Well bounty 1 + 2 + a "little" extra is on the way (c831b5a2ba243b9e7b5f59a2990226e66be647b3abb7e62abfc2615fd30646a4-000) ...
Hope you keep maintaining the coin ...
THX
Thanks, you're very generous! I intend to keep maintaining I0coin.
Greetings,
Rik.
First part of mine to deliver to you is from 050d408b4b6d5536f410c796dfc946b9faf26e7fd5b9668317225ba2591af0d9
Unfortunately, In the intervening months since the disappearance of I0Coin I've lost a decent portion of my old balance to the aether so I'll get the remaining for you shortly. Thanks for the hard work! Apply this 10k to either the first 2 bounties or the last one, you're good on all of them I just need to reaquire the remaining balance due.
Remainder of bounty + bonus from sweeping account paid in 51885b9a0a2a13810f4a48a03d3aca4d45d97519ac9b7e41fbd324f42b9b3696
Thanks again for the hard work and effort you made on this coin! I hope you continue on shepherding this coin! :-)
Thanks
. Since I0coin is just Bitcoin with different parameters, it shouldn't be too much work to maintain it. So I intend to do it.I am currently downloading CLC's blockchain. Thanks for the tip.
Be careful about the blockchain you get. A while back I had numerous issues getting the right chain and my client refusing to reorg to the correct one.If that's not a one-time fluke; there will be large problem...
At the moment:
Code:
block 294142, hash 46c6d42d2859bb4f91fcc835ea07d58da634e97b1eec841665c6eddbdb9c0247
Greetings,
Rik.
Didn't think about GRC,
GRP, please. They are all coins, putting a C in the three-letter code is redundant. GRP obviously at a glance means GRouP, so it is much better code to use.
because of the limited time-window to pick up I0C, GRP, CLC and XGG by merged mining, I think block eruptor USBs were worth buying, as lookie now, already I0C and GRP have been picked up by bitparking so are now jigh difficulty; it was worth grabbing them before that happened. Same likely continues to apply to CLC and XGG.
-MarkM-
Noted; I have updated my system to say GRP.
I am currently downloading CLC's blockchain. Thanks for the tip.
Thanks for resurrecting this project. I just connected 150GH/s with my p2pool merged mining to support you. I am on good fork?
Code:
"blocks" : 900857,
"difficulty" : 421974.57799850,
Wish you luck with it! "difficulty" : 421974.57799850,
Yes, it is the good fork.
Thanks!
rsnel, do you have any hashing power of your own?
So as to be able to merged-mine while you fix up the merged mined coins?
I hope so, so that you can pick up lots of e.g. CoiLedCoin and GeistGeld while you work on them...
I hope you managed to pick up lots of I0Coin and GRouPcoin that way too before they got picked up by mmpool...
-MarkM-
So as to be able to merged-mine while you fix up the merged mined coins?
I hope so, so that you can pick up lots of e.g. CoiLedCoin and GeistGeld while you work on them...
I hope you managed to pick up lots of I0Coin and GRouPcoin that way too before they got picked up by mmpool...
-MarkM-
I don't have significant SHA256 power available at the moment, but I have preordered a BFL single. I will point it P2Pool (while merged mining everything, unless it impedes my bitcoin yield, must test first), if my stale rate is acceptable (lower than or equal to the network's stale rate) I will keep it there, otherwise I will point it to doublec's pool.
Didn't think about GRC, thought it was dead (I read somewhere that it was an abandoned precursor to devcoin). Now I installed it.
I mined I0coin until March, couldn't get a stable connection to the network anymore and/or the client wouldn't start anymore. I'm glad you kept it alive, so I was able to fix it (I must have downloaded the blockchain about 5 times from you...).
Found the coiledcoin thread. It's great that you keep the blockchains rolling... Will look into it.