New transaction malleability attack wave? Another stresstest?

[amaclin]

That's why POS coins like Peercoin have a bright future.

Sorry, man. I have bad news for you.

[Enema]

That's why POS coins like Peercoin have a bright future.

Sorry, man. I have bad news for you.

Crap !
What have I missed ?

[amaclin]

Crap! What have I missed ?

Decentralized systems like PoS are either very expensive to hodlers (compared to their stack) or unsecure to them in long term.
In fact, current fiat system is PoS - the big holders can change the consensus rules, because they have 51% of funds.

[JeromeL]

It requires leadership.
(...)
This part of the argument is the "leadership" problem.

If you are looking for a leader or more efficient ways to do stuff by introducing centralization and single points of failure, then you are not at the right place, nor in the right project.

"We reject kings, presidents and voting.  We believe in rough consensus and running code"

Protocol developers incompetent in foreseeing and avoiding problems their incompetent code and designs have created
(...)

Bitcoin is an open-source project open to every one who wishes to contribute: if you think you can bring value contributing, you are welcome.

Else please go away and waste another project's time with your unproductive comments.

[basil00]

How do I determine whether it is signed with highS or not ?

Step 3: check, whether the S value is below the curve order

The is an easy rule-of-thumb to spot high-S signatures.  For example, the following sig is high-S

3046022100aea3c7faf22df9ecf795ddb470d000bb2345679363fde6c24df4ab9c6922ff5d022100ae2ff77a2cd10794f166cbb7782316d6ceb74fc22c2188a22c52f6f1847401fa01

If the highlighted hex "022100" appears in the middle of the sig, then it is high-S.  Compare with the low-S equivalent:

3045022100aea3c7faf22df9ecf795ddb470d000bb2345679363fde6c24df4ab9c6922ff5d022051d00885d32ef86b0e99344887dce927ebf78d2483271799937f679b4bc23f4701

The low-S has "0220" (highlighted) or something else.

[gmaxwell]

The is an easy rule-of-thumb to spot high-S signatures.  For example, the following sig is high-S

This test is not quite precise, so implementers of bitcoin software shouldn't implement the test this way. The threshold is not a power of two, so no tidy hex digit sniffing can be precise.

[amaclin]

This test is not quite precise

you are too pedantic. 
but.
this is not a consensus rule.
everybody has a right to search the pattern 022100 "in the middle of signature" and reject all unconfirmed transactions with it.

[BitNow]

Who's behind this stress test?

[achow101]

Who's behind this stress test?

Amaclin is. Did you even read the thread? He admitted it on the first page.

This is the malleability problem: someone is creating copies of transactions

OK. This is not "someone". It is me.
Right now the stress-test is paused. I reserve a right to resume it.
Ask me anything.

[BitNow]

OT

Who's behind this stress test?

Amaclin is. Did you even read the thread? He admitted it on the first page.

This is the malleability problem: someone is creating copies of transactions

OK. This is not "someone". It is me.
Right now the stress-test is paused. I reserve a right to resume it.
Ask me anything.

Thank You for your reply.

/OT

[amaclin]

Amaclin is. Did you even read the thread? He admitted it on the first page.

Bitcoiners do not rAEd anything. They hoDL! 

[dexX7]

everybody has a right to search the pattern 022100 "in the middle of signature" and reject all unconfirmed transactions with it.

FYI a quick note: active mutation of high S -> low S appears to have started, according to some discussion on IRC.

[amaclin]

FYI a quick note: active mutation of high S -> low S appears to have started, according to some discussion on IRC.

I like it! Let us start a big tournament!

[dexX7]

I like it! Let us start a big tournament!

Hehe, it would be interesting to know your success rate. Do you keep track of the mutated transactions?

[Mad_Max]

Yes but bigger blocks could mean that it's more expensive for miners to process the blocks.

Sure the extra validation/processing cost pales into insignificance compared to the cost of finding the POW?

Yes, validation/processing cost itself small compared with cost of finding the POW. But you need multiply it by number of all nodes in BTC network.
There are a lot of miners too, but cost of finding the POW is split between them. Each do only small part.
While validation/processing cost do not split - each BTC node need to "pay" it.

[aws]

It can be calculated as ( AmountOfElectricuty + CostOfHardWare ) / NumberOfTransactions

How do you calculate cost per transaction in a fiat system, for example the USD?
Think about all the energy that is used by a fiat monetary system.

[amaclin]

It can be calculated as ( AmountOfElectricuty + CostOfHardWare ) / NumberOfTransactions

How do you calculate cost per transaction in a fiat system, for example the USD?
Think about all the energy that is used by a fiat monetary system.

Same formula, isn't it?

[aws]

It can be calculated as ( AmountOfElectricuty + CostOfHardWare ) / NumberOfTransactions

How do you calculate cost per transaction in a fiat system, for example the USD?
Think about all the energy that is used by a fiat monetary system.

Same formula, isn't it?

How about cost of employees, cost of real estate, etc. etc. in a fiat system?
I wonder what the cost of the USD system would be.

[TooDumbForBitcoin]

It can be calculated as ( AmountOfElectricuty + CostOfHardWare ) / NumberOfTransactions

How do you calculate cost per transaction in a fiat system, for example the USD?
Think about all the energy that is used by a fiat monetary system.

Same formula, isn't it?

How about cost of employees, cost of real estate, etc. etc. in a fiat system?
I wonder what the cost of the USD system would be.

First we have to agree on units, then a baseline.

Compared to the existing system that one finds preferable to USD, what is the average gain (or loss), per participant, in:

life expectancy
opportunity for independence (political, financial)
time spent completing a transaction (financial, social, commercial)
access to <food, health care, environmental security, education, information>     What is a good word encompassing the <  >?

[basil00]

The is an easy rule-of-thumb to spot high-S signatures.  For example, the following sig is high-S

This test is not quite precise, so implementers of bitcoin software shouldn't implement the test this way. The threshold is not a power of two, so no tidy hex digit sniffing can be precise.

It was meant to be a "rule of thumb" for humans -- not a precise test.