Thanks you V Much!
Requesting TGC
tBfJij3UWmr51dvZfgsfzMyMDwtnAMRX4j
Requesting TGC
tBfJij3UWmr51dvZfgsfzMyMDwtnAMRX4j
You're V Welcome!
Now I'll wait for some faucet to spring up!
Topic: [ANN] Tigercoin - TGC | SHA256 with Super Random Blocks | Please Upgrade to V1.1 - page 21. (Read 105706 times)
September 08, 2013, 03:57:40 PM
You're V Welcome!
Now I'll wait for some faucet to spring up!
September 08, 2013, 03:55:07 PM
Some people asking about why they don't see superblocks. We checked the code and its behavior, we did see an issue. Let me explain it here:
The random calculation code:
what this means is that the program takes the previous block hash, extracts 7 characters from the hash, starting from 4th position in the hash, and use it as the seed to generate a random number, then the random number will determine if a block is superblock.
This scheme works fine for all other coins that has random blocks, and works for this one at the beginning (< block 300). But after some time, the generated hashes have a lot zeros in the beginning, for example:
in consequence, the cseed string, instead of being random, becomes some fixed strings like "0000000", "0000001", "0000002", etc, and none of these correspond to a superblock
.
The random calculation code:
Quote
std::string cseed_str = prevHash.ToString().substr(4,7);
const char* cseed = cseed_str.c_str();
long seed = hex2long(cseed);
int rand = generateMTRandom(seed, 19200);
const char* cseed = cseed_str.c_str();
long seed = hex2long(cseed);
int rand = generateMTRandom(seed, 19200);
what this means is that the program takes the previous block hash, extracts 7 characters from the hash, starting from 4th position in the hash, and use it as the seed to generate a random number, then the random number will determine if a block is superblock.
This scheme works fine for all other coins that has random blocks, and works for this one at the beginning (< block 300). But after some time, the generated hashes have a lot zeros in the beginning, for example:
Quote
00000000002d016cb29ac26baec5270f2496e8a33295d2c624673687e0d37942 height=340
00000000000cc102320be68cc8939e446d98f77f144a1e2bde452f8132128b80 height=873
00000000002125cd2153c7cdd926ac56baf0c1c418bb7fe88ad4261458e03e89 height=1324
00000000000cc102320be68cc8939e446d98f77f144a1e2bde452f8132128b80 height=873
00000000002125cd2153c7cdd926ac56baf0c1c418bb7fe88ad4261458e03e89 height=1324
in consequence, the cseed string, instead of being random, becomes some fixed strings like "0000000", "0000001", "0000002", etc, and none of these correspond to a superblock
.a) That is a pretty embarrassing coding error, given how increasing difficulty works.
b) Doesn't this mean that anyone examining the previous block will know for certain whether the next block will be a superblock or not? If so, then the rational thing for miners would do would be to mine other coins any time the next block will not be a superblock, then mine this coin whenever it will. This will cause huge variations in hashrate, and therefore difficulty.
Edit: Oh, look, someone has already created scripts to do exactly that calculation: https://bitcointalksearch.org/topic/ann-scripts-to-predict-superblocks-jkcsxcdmdelpgdcgillkynugphssptstr-264740
September 08, 2013, 03:50:13 PM
requesting TGC
t77g4TGUYJPyh4gDHJzyeGL8e5aKFYU5Wg
thanks! Hope I'm still on time.
t77g4TGUYJPyh4gDHJzyeGL8e5aKFYU5Wg
thanks! Hope I'm still on time.
You are!
September 08, 2013, 03:49:43 PM
My p2pool is still going strong
https://bitcointalksearch.org/topic/ann-tigercoin-added-to-wwwjapoolcom-289782
https://bitcointalksearch.org/topic/ann-tigercoin-added-to-wwwjapoolcom-289782
September 08, 2013, 03:43:10 PM
Sent TGC to 8/10 users...
List is: ATriz, gzuser, captainfuture, popolnman, coin@coin, rippleme, bobtlk
If I missed anyone my apologies....
Giveaway is ongoing! (I'm not always online though)
List is: ATriz, gzuser, captainfuture, popolnman, coin@coin, rippleme, bobtlk
If I missed anyone my apologies....
Giveaway is ongoing! (I'm not always online though)
Thank you, got my first TigerCoins!
BTW is it still worth solomining with about 10GH/s?
Or pool is better now? Anyone still finding blocks solo?
September 08, 2013, 03:46:48 PM
Sent TGC to 8/10 users...
List is: ATriz, gzuser, captainfuture, popolnman, coin@coin, rippleme, bobtlk
If I missed anyone my apologies....
Giveaway is ongoing! (I'm not always online though)
List is: ATriz, gzuser, captainfuture, popolnman, coin@coin, rippleme, bobtlk
If I missed anyone my apologies....
Giveaway is ongoing! (I'm not always online though)
Thank you, got my first TigerCoins!
BTW is it still worth solomining with about 10GH/s?
Or pool is better now? Anyone still finding blocks solo?
When I did my mining it was definitely worth it, it's a good idea to pool mine now just because people may jump on this coin and then you'll have extreme variance.
You can solo mine until you start getting blocks every hour or so, then you can pool mine...
Either will probably get you a similar amount of coins (although pool mining will be much more consistent).
September 08, 2013, 03:46:00 PM
I'm soloing with about 10GH/s. In the last hour I found 5 blocks but seems to have slowed a bit now. 5 in an hour's acceptable though 
September 08, 2013, 03:11:14 PM
Loving this coin. Im gonna message Erundook too over at coinex for this coin. Im miining away nicely at it
I want to donate to faucets but I haven't seen any around yet...
I have a good sum of TGC so I'll put my miner back to BTC, (my favorite pool is still down
) Whoever wants some TGC I'll give them 128 of it.
Just post your normal post that you would here and put in the end (requesting TGC and your address)
I'll send to the first 10 people at the very least
requesting TGC
tUyTAtDsZNGT5w59Kj3eoAM2h1gC4f4MWu
September 08, 2013, 03:41:12 PM
Sent TGC to 8/10 users...
List is: ATriz, gzuser, captainfuture, popolnman, coin@coin, palmcoins, rippleme, bobtlk
If I missed anyone my apologies....
Giveaway is ongoing! (I'm not always online though)
Oh, I still have coins, I'm just waiting for someone to make a faucet so I can just drop some bigger amount (15k).
List is: ATriz, gzuser, captainfuture, popolnman, coin@coin, palmcoins, rippleme, bobtlk
If I missed anyone my apologies....
Giveaway is ongoing! (I'm not always online though)
Oh, I still have coins, I'm just waiting for someone to make a faucet so I can just drop some bigger amount (15k)
. 
September 08, 2013, 02:32:58 PM
Thanks for CoinEx listing TGC, it's nice! Also CoinEx and Jude Austin's pools are listed in the OP.
We are at block 3578, please make sure you use Version 1.1. We should get to block 4000 in about 5 hours. Hope the transition will be smooth and we should see random superblocks after that.
Thanks for notice, just updated our client.We are at block 3578, please make sure you use Version 1.1. We should get to block 4000 in about 5 hours. Hope the transition will be smooth and we should see random superblocks after that.
September 08, 2013, 02:10:22 PM
Reminder: for those who haven't upgraded to V1.1, please do so asap to avoid any potential problems such as orphans. The switchover will happen in less than 4 hrs.
September 08, 2013, 12:56:19 PM
Thanks for CoinEx listing TGC, it's nice! Also CoinEx and Jude Austin's pools are listed in the OP.
We are at block 3578, please make sure you use Version 1.1. We should get to block 4000 in about 5 hours. Hope the transition will be smooth and we should see random superblocks after that.
We are at block 3578, please make sure you use Version 1.1. We should get to block 4000 in about 5 hours. Hope the transition will be smooth and we should see random superblocks after that.
Nice.
September 08, 2013, 12:53:41 PM
t7s8yQk8BwHfA5yaNxhy3xgetSucmi19bQ
Thnx!!
Thnx!!
Sent to anyone above this post!
Someone needs to setup a faucet for donations!
Working on a faucet As we speak
September 08, 2013, 12:43:45 PM
Thanks!!
September 08, 2013, 12:43:14 PM
Thanks for CoinEx listing TGC, it's nice! Also CoinEx and Jude Austin's pools are listed in the OP.
We are at block 3578, please make sure you use Version 1.1. We should get to block 4000 in about 5 hours. Hope the transition will be smooth and we should see random superblocks after that.
We are at block 3578, please make sure you use Version 1.1. We should get to block 4000 in about 5 hours. Hope the transition will be smooth and we should see random superblocks after that.
September 08, 2013, 12:41:47 PM
Loving this coin. Im gonna message Erundook too over at coinex for this coin. Im miining away nicely at it
I want to donate to faucets but I haven't seen any around yet...
I have a good sum of TGC so I'll put my miner back to BTC, (my favorite pool is still down
) Whoever wants some TGC I'll give them 128 of it.
Just post your normal post that you would here and put in the end (requesting TGC and your address)
I'll send to the first 10 people at the very least
requesting TGC
tUMzLwuGsEj8eniDdCWXcqma952bq3nCvq
I missed it there, sending some now!
September 08, 2013, 12:30:42 PM
t7s8yQk8BwHfA5yaNxhy3xgetSucmi19bQ
Thnx!!
Thnx!!
Sent to anyone above this post!
Someone needs to setup a faucet for donations!
havent received it....
September 08, 2013, 12:21:40 PM
I have added TGC to P2Pool.org!
Check out here: http://204.10.105.89:15665/static/
Just use your TGC address as the username and any password.
Once a block is found you will receive payment.
Happy mining!
Check out here: http://204.10.105.89:15665/static/
Just use your TGC address as the username and any password.
Once a block is found you will receive payment.
Happy mining!
September 08, 2013, 12:11:04 PM
If anyone wants to buy Tabasco peppers (local pickup) I'll sell a each pepper for 1 Tigercoin!
(Tarpon Springs, FL)
Now waiting for customers...
(Tarpon Springs, FL)
Now waiting for customers...
September 08, 2013, 11:08:00 AM
tigercoin is on coinchoose
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