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Author Topic: [ANN] [MINT] Mintcoin (POS / 5%) [NO ICO] [Fair distro, community maintained]  (Read 1369866 times)
stormia
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March 29, 2014, 07:13:03 PM
 #11101

Also the attack described would not work.  Coins are not staked only on coinage, it is only one factor.  So even if you made a lot of transactions so all your coins were separated by a small interval, there is no guarantee they will stake at each interval - in fact splitting them into small amounts to make these intervals will make them less likely to stake. You would have to have a very large amount of coins at each interval to even have a chance of producing 2 consecutive blocks.  This attack is completely unrealistic.
gonzoucab
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March 29, 2014, 07:15:35 PM
 #11102

"this flaw was addressed by the author of PoS, Sunny King, earlier this year:

Official release build is now available http://www.ppcoin.org/ (via sourceforge)

What's in 0.3.0 release:

Stake generation protocol upgrade (protocol switch March 20th)
Qt UI support
Fix compatibility with vanitygen (note: private keys dumped in v0.2 is no longer importable into v0.3.0, must dump again from v0.3.0 client)
Miscellaneous bug fixes and improvements

The protocol upgrade in 0.3.0 includes a new algorithm to derive proof-of-stake hash modifier, the entity that scrambles computation for stake owners, which replaces the current proof-of-stake difficulty used as modifier in 0.2 protocol. The design was started late September last year, when I first began to realize the issues with using difficulty as modifier. Honorary mention also goes to Jutarul, who independently discovered and verified an issue with using difficulty as modifier and published on bitcointalk in December last year, while successfully executed a demo attack on the block chain. Other changes in the protocol include starting hash weight from 0 at the 30-day mininum age, and requirement that coinstake timestamp must equal block timestamp. Overall 0.3 protocol should significantly strengthen the proof-of-stake protection and resolve the current known vulnerabilities.

My sincere appreciation to co-contributors of 0.3.0 release:

Robert VanHazinga of Hartland PC (dreamwatcher) for the vanitygen compatibility fix
Jutarul for demonstrating stake generation vulnerability
EskimoBob for reporting issue fixed in 0.3.0"

This is the state of the nation in mintcoin. our network is fast and secure. more secure than an pure POS system or a pure POW system

Mint Breed the best of crypto world, im telling you its the facebook of the social economic network.
thisisit
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March 29, 2014, 07:16:38 PM
Last edit: March 29, 2014, 07:27:00 PM by thisisit
 #11103

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that?  

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

pure pos is untested. we will see what future will bring.

i am into mint now as well.

ps. it would cost bitcoins. that is why "there is nothing at stake". an early adopter of bitcoin can do this. also the marketcap.. is at highest buy/lowest sell.

marketcap only takes highest buy price and multiplies that by coins available. it wouldnt take 750k usd. not even close.

so coinmarketcap is not even close to real value. simple math.

any coin that makes me a profit.
jiangkand1
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March 29, 2014, 07:19:59 PM
Last edit: April 09, 2014, 11:13:14 AM by jiangkand1
 #11104

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that? 

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

pure pos is untested. we will see what future will bring.

i am into mint now as well.

ps. it would cost bitcoins. that is why "there is nothing at stake". an early adopter of bitcoin can do this. also the marketcap.. is at highest buy/lowest sell.

marketcap only takes highest buy price and multiplies that by coins available. it wouldnt take 750k usd. not even close.

so coinmarketcap is not even close to real value. simple math.

it wont be the expected 20%
you are looking at a maximum of 22%
but it wont be that because not all coins are minting with perfect 20 day cycles, some are not staking and some are being spent resetting the age


btw, i only answered out of my own will, im not scrutinizing mintcoin, i happen to be here with the source code open
stormia
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March 29, 2014, 07:28:26 PM
 #11105

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that?  

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

If they control 51% of the wealth and try to double spend all of it or a significant portion of it they would be spending nearly 100% of the market cap- there is no way anywhere near 100% of the market cap is going to be spent in two transactions. Meaning if they want to double spend they will have to double spend significantly less than their 51% of the wealth, meaning they jeopardize the remaining part of their wealth. no? Unless they can effectively double spend more than 25.5% (thereby "spending" more than 51% of the wealth they actually control) they would be better off just spending their 51% of the wealth since whatever value is left over after the double spend will be destroyed.
thisisit
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March 29, 2014, 07:30:45 PM
 #11106

there is no penalization algorithm like slasher in this coin.

even if they try to do it. they wont get penalized and can try over and over ( so no risk ).

but enough of this. please read into nature of pos.

i have to go.

any coin that makes me a profit.
stormia
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March 29, 2014, 07:44:21 PM
 #11107

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that?  

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

pure pos is untested. we will see what future will bring.

i am into mint now as well.

ps. it would cost bitcoins. that is why "there is nothing at stake". an early adopter of bitcoin can do this. also the marketcap.. is at highest buy/lowest sell.

marketcap only takes highest buy price and multiplies that by coins available. it wouldnt take 750k usd. not even close.

so coinmarketcap is not even close to real value. simple math.

Luckily mint isn't a pure PoS. I'm glad to see you are into mint again, welcome back  Smiley based on your posts on this forum you are clearly a very critical thinker and that is great because we need people who are willing and able to scrutinize the coin in a constructive manner.

Likewise, I am thankful for anonymousg64's efforts to pin down any possible security flaws in the PoS system- I'm just not sure I like how he is broadcasting it to the public as though it is fact before there is any certainty to it. I still think any security flaws that do arise should be brought up to the devs of the coins directly and privately so that they can deal with them before they become a problem (telling the general public only informs people how to exploit a security flaw if it does exist, and if it doesn't actually exist then it just spreads fear and uncertainty).
gonzoucab
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March 29, 2014, 07:58:55 PM
 #11108

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that?  

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

pure pos is untested. we will see what future will bring.

i am into mint now as well.

ps. it would cost bitcoins. that is why "there is nothing at stake". an early adopter of bitcoin can do this. also the marketcap.. is at highest buy/lowest sell.

marketcap only takes highest buy price and multiplies that by coins available. it wouldnt take 750k usd. not even close.

so coinmarketcap is not even close to real value. simple math.

Luckily mint isn't a pure PoS. I'm glad to see you are into mint again, welcome back  Smiley based on your posts on this forum you are clearly a very critical thinker and that is great because we need people who are willing and able to scrutinize the coin in a constructive manner.

Likewise, I am thankful for anonymousg64's efforts to pin down any possible security flaws in the PoS system- I'm just not sure I like how he is broadcasting it to the public as though it is fact before there is any certainty to it. I still think any security flaws that do arise should be brought up to the devs of the coins directly and privately so that they can deal with them before they become a problem (telling the general public only informs people how to exploit a security flaw if it does exist, and if it doesn't actually exist then it just spreads fear and uncertainty).

+1 also thanks anonymousg64's efforts but stormia is more than right.
deadmanwalking
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March 29, 2014, 08:11:40 PM
 #11109

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that?  

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

pure pos is untested. we will see what future will bring.

i am into mint now as well.

ps. it would cost bitcoins. that is why "there is nothing at stake". an early adopter of bitcoin can do this. also the marketcap.. is at highest buy/lowest sell.

marketcap only takes highest buy price and multiplies that by coins available. it wouldnt take 750k usd. not even close.

so coinmarketcap is not even close to real value. simple math.

You see to be completly oblivious to SIMPLE math.

1. There aren't enough coins currently on the market to buy a 51% stake.

2. As soon as someone started to buy many coins, the price would increase exponentially.

3. If anyone were to control 51% it would destroy the value of the coin. Thereby destroying the urge for anyone to acquire so many coins.

4. Not having to do with math. Why the hell isn't anyone asking questions about this on blackcoin's thread. Gee, I wonder. Trolls be gone.

\
deadmanwalking
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March 29, 2014, 08:16:48 PM
 #11110

Did the thunderclap happen yet?

\
omahapoker
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March 29, 2014, 08:27:03 PM
 #11111

HOW MUCH MINT DO YOU HAVE IN YOUR WALLET?

and plan on keeping it inthere

I want to keep a list.

I'll start

1 omahapoker  1.1 million




is there a site that tells how many MINT are in wallets?


thanks
Sylon
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March 29, 2014, 08:27:52 PM
 #11112


is there a site that tells how many MINT are in wallets?


thanks

blockchain
stormia
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March 29, 2014, 08:28:16 PM
 #11113

Did the thunderclap happen yet?

Yup, it posed to my facebook about 4 hours ago
stormia
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March 29, 2014, 08:29:29 PM
 #11114

HOW MUCH MINT DO YOU HAVE IN YOUR WALLET?

and plan on keeping it inthere

I want to keep a list.

I'll start

1 omahapoker  1.1 million




is there a site that tells how many MINT are in wallets?


thanks

mintcoinrichlist.com

seems to be down atm though, on my end at least
leckey
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March 29, 2014, 08:34:39 PM
 #11115

I feel like there needs to be a concerted effort to move mintcoin discussion onto the mintcointalk forum. Better than everyone just posting in this one thread.

MarSas
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March 29, 2014, 08:59:45 PM
 #11116

Is it possible the balances in the blockchain and in the wallet are not the same? The wallet has only one address.
Dallas5
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March 29, 2014, 09:05:33 PM
 #11117

Is it possible the balances in the blockchain and in the wallet are not the same? The wallet has only one address.

You can have many addresses in your wallet, the number of mints you see in your wallet is the total of all your addresses.

MarSas
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March 29, 2014, 09:10:59 PM
 #11118

I know about many addresses, but my wallet has just one. If I check the balance of that address on the blockchain, it is not the same as in the wallet. The wallet has approx 1.7 million coins more.
gonzoucab
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March 29, 2014, 09:12:40 PM
 #11119

I know about many addresses, but my wallet has just one. If I check the balance of that address on the blockchain, it is not the same as in the wallet. The wallet has approx 1.7 million coins more.
Wich wallet version are you using? is the latest? can you post screen shots, we will help.
thisisit
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March 29, 2014, 09:12:44 PM
 #11120

Quote
so pray that a whale, with bad intentions, does not get 51%

That would cost the attacker about $750,000.

Is it really worth it to attack? I mean they are spending 750K to destroy their own money, who would do that?  

double spend? there will be other flaws... but currently double spend is most likely to occur with a stake of 51% or more.

pure pos is untested. we will see what future will bring.

i am into mint now as well.

ps. it would cost bitcoins. that is why "there is nothing at stake". an early adopter of bitcoin can do this. also the marketcap.. is at highest buy/lowest sell.

marketcap only takes highest buy price and multiplies that by coins available. it wouldnt take 750k usd. not even close.

so coinmarketcap is not even close to real value. simple math.

You see to be completly oblivious to SIMPLE math.

1. There aren't enough coins currently on the market to buy a 51% stake.

2. As soon as someone started to buy many coins, the price would increase exponentially.

3. If anyone were to control 51% it would destroy the value of the coin. Thereby destroying the urge for anyone to acquire so many coins.

4. Not having to do with math. Why the hell isn't anyone asking questions about this on blackcoin's thread. Gee, I wonder. Trolls be gone.

1. wrong. who says that all coins have to be on market?

2. also wrong. there are already large bagholders.

3. not necessarily. only when they dump it would destroy the value of the coin. probably they will pump first and then dump smaller values. then pump again. they want your btc.
in the process they will increase their stake. happens all the time with all coins. ie with auto trade engines. those buys and sells that have random .62173612 etc.

4. blackcoin has similar issues. this is general pos. nothing to do with trolling.

any coin that makes me a profit.
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