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Topic: [ANN] Slimcoin : Proof of Burn NEW BLOCK GEN, Mineable by low power computer! - page 90. (Read 284956 times)

legendary
Activity: 1092
Merit: 1000
Dev has not confirmed anything yet. There are doubts he has skills to fix the current issues.

No date for re-launch confirmed
No list of bugfixes confirmed

full member
Activity: 183
Merit: 100
what happend i can get sync now ,and block is 17144 now.

Ha, yeah. Just started my wallet up and it's synced to 17151.

I think this is irrelevant though as it seems we're going to be re-launching from 16000.
Can we get a definitive statement from the dev about this if possible?

The hard fork is at block 15934.

The dev has confirmed this then?

There's absolutely no point in anyone having their wallet running at the moment is there? Likewise for mining?
member
Activity: 86
Merit: 10
{
"blocks" : 17182,
"currentblocksize" : 1000,
"currentblocktx" : 0,
"difficulty" : 0.00025813,
"errors" : "",
"generate" : false,
"genproclimit" : -1,
"hashespersec" : 0,
"networkghps" : 0.00001066,
"pooledtx" : 0,
"testnet" : false
}


{
"blocks" : 17191,
"currentblocksize" : 1000,
"currentblocktx" : 0,
"difficulty" : 0.00026683,
"errors" : "",
"generate" : false,
"genproclimit" : -1,
"hashespersec" : 0,
"networkghps" : 0.00001135,
"pooledtx" : 0,
"testnet" : false
}
hero member
Activity: 616
Merit: 500
what happend i can get sync now ,and block is 17144 now.

Ha, yeah. Just started my wallet up and it's synced to 17151.

I think this is irrelevant though as it seems we're going to be re-launching from 16000.
Can we get a definitive statement from the dev about this if possible?

The hard fork is at block 15934.
full member
Activity: 183
Merit: 100
what happend i can get sync now ,and block is 17144 now.

Ha, yeah. Just started my wallet up and it's synced to 17151.

I think this is irrelevant though as it seems we're going to be re-launching from 16000.
Can we get a definitive statement from the dev about this if possible?
hero member
Activity: 686
Merit: 500
FUN > ROI
There actually is no label for PoB
Oh ok, that just got me confused. Smiley

Yeah, hopefully that's one of the things that could be addressed while things are being poked at anyway Smiley
full member
Activity: 173
Merit: 100
what happend i can get sync now ,and block is 17144 now.
hero member
Activity: 616
Merit: 500
There are some anomalies in the blockchain, look at block 1000, 4000 and 11000 for example.

...

Maybe that's a PoB block mislabeled as PoW?
Because the hash is just a random hash, and the block reward doesn't adhere to reward = 50/((diff*4096)^(1/4))
50/(0.02457705*4096)^(1/4)) = 15.78...
There actually is no label for PoB, check the code.  An easy way to identify them from the getblock() response is to check if the nonce == 0 (as is the case in the example you give).  I'm not sure that's 100% foolproof, but it held in the first 12,345 blocks at least.

Oh ok, that just got me confused. Smiley
hero member
Activity: 686
Merit: 500
FUN > ROI
Regarding to the BURN address the only way I see to make sure that the dev doesn't has the private key is to show us exactly how was generated or to generate a new.
One way is to use the string you like (avoid forbidden characters), prefix with the necessary prefix, and vary further prefixes/suffixes/checksum until you get an address that passes the address checks.  This would give you a valid address without ever having the keys that belong to it - or even knowing whether it ever could be derived from valid keys; can't find the stackoverflow / stackexchange discussion, but I think the consensus was that as long as the address validates, then in theory there should be keys to match it.  But yes, as mentioned several times, generating keys to match the address would be extremely difficult.
hero member
Activity: 686
Merit: 500
FUN > ROI
There are some anomalies in the blockchain, look at block 1000, 4000 and 11000 for example.

...

Maybe that's a PoB block mislabeled as PoW?
Because the hash is just a random hash, and the block reward doesn't adhere to reward = 50/((diff*4096)^(1/4))
50/(0.02457705*4096)^(1/4)) = 15.78...
There actually is no label for PoB, check the code.  An easy way to identify them from the getblock() response is to check if the nonce == 0 (as is the case in the example you give).  I'm not sure that's 100% foolproof, but it held in the first 12,345 blocks at least.
hero member
Activity: 686
Merit: 500
FUN > ROI
Waiting for someone to comb through the blockchain for a possible premine..

Not much combing-through needed.  We know when it launched, and you yourself mentioned that you got a bunch of the first few blocks, if I recall correctly.

height          date time                              mint          hash
02014-05-08 19:47:40000000766...18d61bea
12014-05-28 21:13:2342.04000006e0...fe37b5db
22014-05-28 21:14:1142.04000004e9...fc111de7
32014-05-28 21:14:4341.57000000a4...c441c3b9
42014-05-28 21:15:1240.9100000099...c010d400
52014-05-28 21:15:3740.24000002da...95b27b96
62014-05-28 21:15:4539.5300000278...9dc5f7cf
72014-05-28 21:16:5038.6400000453...c0cdd355
82014-05-28 21:18:0138.38000003f7...9610b0c4
92014-05-28 21:18:5238.19000000a8...d5114130
102014-05-28 21:19:3637.7800000524...7de0c194

From that it would at least seem there's no premine at the beginning (can't vouch for any potential instamine stuff happening since).  Could probably dig around the transactions to group together blocks as likely belonging to a single entity.
sr. member
Activity: 291
Merit: 250
Let me re-post again, important :

I'd like to see mumus and other developers go through the source code and make sure no coins were premined by the developer. I'd also like to know if there is a chance the BURN address actually spends coins - if so that should also be addressed in the hard fork.

This coin doesn't sounds like scam but I will try today to go over the code to see if has something strange though I'm not that expert in finding hidden tricks. I can check for tricks that others found in some scamcoins, like this: https://bitcointalksearch.org/topic/m.6535095

Regarding to the BURN address the only way I see to make sure that the dev doesn't has the private key is to show us exactly how was generated or to generate a new. As an example can stand here the destruction of some premined NVC coins, details here: https://bitcointalksearch.org/topic/110k-premined-nvc-is-successfully-destroyed-144158

EDIT: Indeed as hashmaster3000 noted above, generating a vanity address like the Burn address will take an eternity so we can feel safe. Smiley
legendary
Activity: 1092
Merit: 1000
I'd like to see mumus and other developers go through the source code and make sure no coins were premined by the developer. I'd also like to know if there is a chance the BURN address actually spends coins - if so that should also be addressed in the hard fork.

The burn address can't spend coins because generating a private key that maps to an address that consists of a sequence of words (like "SLMCoinMainNetworkBurnAddr") would take an eternity.
(unless an attacker is capable of cracking both ECDSA and RIPEMD-160 - but in this case, the attacker won't bother with SLM and steal some BTC instead Smiley)

main.h:110
Code:
//Burn addresses
const CBitcoinAddress burnOfficialAddress("SfSLMCoinMainNetworkBurnAddr1DeTK5");
const CBitcoinAddress burnTestnetAddress("mmSLiMCoinTestnetBurnAddress1XU5fu");

I think the address was different before, perhaps this was addressed in the recent update. If not i am surprised i missed the 'SLMCoinMainNetworkBurnAdd' . Let me check my old wallet....


EDIT : Correct, the BURN address all along was SfSLMCoinMainNetworkBurnAddr1DeTK5. Stupid of me for not noticing

Waiting for someone to comb through the blockchain for a possible premine..
newbie
Activity: 19
Merit: 0
I'd like to see mumus and other developers go through the source code and make sure no coins were premined by the developer. I'd also like to know if there is a chance the BURN address actually spends coins - if so that should also be addressed in the hard fork.

The burn address can't spend coins because generating a private key that maps to an address that consists of a sequence of words (like "SLMCoinMainNetworkBurnAddr") would take an eternity.
(unless an attacker is capable of cracking both ECDSA and RIPEMD-160 [edit: and SHA256] - but in this case, the attacker won't bother with SLM and steal some BTC instead Smiley)

main.h:110
Code:
//Burn addresses
const CBitcoinAddress burnOfficialAddress("SfSLMCoinMainNetworkBurnAddr1DeTK5");
const CBitcoinAddress burnTestnetAddress("mmSLiMCoinTestnetBurnAddress1XU5fu");
sr. member
Activity: 291
Merit: 250
Could people post their

./slimcoind getblockhash 15934

and

./slimcoind getblockhash 15935

15934 - 0000003144e8cfc1e1a937978dccb1146abc0d0aba1afeb7fbfe8dc9fd71af8c
15935 - 000000346f9386b3f4b17c7a7d4fa7928650f10479d401fe8313ef24017ef264
full member
Activity: 183
Merit: 100
Could people post their

./slimcoind getblockhash 15934

and

./slimcoind getblockhash 15935

0000003144e8cfc1e1a937978dccb1146abc0d0aba1afeb7fbfe8dc9fd71af8c

000000346f9386b3f4b17c7a7d4fa7928650f10479d401fe8313ef24017ef264
full member
Activity: 173
Merit: 100
i think dev should check the code first.we can relunch once,but can't be twice.People will lose their confidence. sometimes i recived coins form the pool,but it showed as mint by burn,and the number is wrong.
hero member
Activity: 938
Merit: 1000
So everyone has the same hash at block 15934. We could discard all blocks after that and relaunch the coin. Don't let such a nice coin die.
sr. member
Activity: 826
Merit: 263
Code:
slimcoind getblockhash 15934
0000003144e8cfc1e1a937978dccb1146abc0d0aba1afeb7fbfe8dc9fd71af8c

slimcoind getblockhash 15935
000000346f9386b3f4b17c7a7d4fa7928650f10479d401fe8313ef24017ef264
legendary
Activity: 1050
Merit: 1000
still like this coin, hope it can be saved

cant get blockhashes, getting .dat error when running wallet  Cry
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