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1781  Bitcoin / Development & Technical Discussion / Re: Funding of network security with infinite block sizes on: April 01, 2013, 11:57:31 PM
OK, so it doesn't work if you pick those particular numbers. How about if doubling the difficulty gave you 4x the space then? Or more?

Maybe, though, if you make it so that you get super-linear reward for linear effort, then everyone will try to make their blocks as large as possible.

--> As long as there is users paying the fees for it.

Also, Mike Hearn posted many topics about bitcoin control with blacklisted addresses and tainted coins, all depending upon miners centralization.
This is another reason I would prefer a pressure to keep everything as small as possible.

Suppose we have huge miners imposing themselves 5-10x more difficulties than the minimum required by the network. They will make more money, but at the same time the smaller miners can choose to let go the superfluous transactions (and their fees) in exchange of a higher probability to solve the next block. It's like the pools fee: some are OK with getting less money as long as it's more consistent.
1782  Bitcoin / Development & Technical Discussion / Re: Funding of network security with infinite block sizes on: April 01, 2013, 03:20:34 AM
I very much like the idea of adjusting the difficulty with the block size.

This gives an incentive to keep the blocks small, unless there's enough fees to counteract the additional difficulty.
IE: for 2x the difficulty, I can make 5x as much profits in fees.
It can also deal more easily with fast surge, such as the week before Christmas.

This leaves a pressure to keep the size small, contrary to simply adjusting the limit after X blocks.

From there, a minimum fee required for a transaction to be relayed by the network could be a fraction the smallest fee of the newest block.
So if it was 0.00001 BTC and you try to send with a fee of 0.00000001, you are most likely to not be included in the next block and you are not relayed.
1783  Bitcoin / Development & Technical Discussion / Re: Limit upload on bitcoin-qt? on: March 30, 2013, 03:35:29 PM
Hmm... that's still not in the client, but should do the trick.

Thank you very much! *Tip*
1784  Bitcoin / Development & Technical Discussion / Limit upload on bitcoin-qt? on: March 30, 2013, 06:21:23 AM
I was wondering if there's a way to limit the upload rate on bitcoin-qt.

I want to run a full node, but I also want to make sure my webserver isn't crippled because some other peer is downloading the blockchain at full upload speed.

Oh, and I did search the forum. I know there's some 'workaround', but I'd prefer if this control was directly in the client.
1785  Bitcoin / Bitcoin Discussion / Recurring Payments with BTCs on: August 07, 2012, 10:14:09 PM
I've recently made a website and would really like to accept BTC as payments.

However, I sell a pay-per-month service.
It's relatively easy to do with a credit card, but is there any way to make it with bitcoins?

Is the only alternative making a big yearly payment and sending an invoice to clients each year?
1786  Bitcoin / Development & Technical Discussion / Re: Huge increase in satoshidice spam over the past day on: June 14, 2012, 11:20:22 PM
Clear you mind. Return to the point when you discovered Bitcoin with a
fresh mind. Got it? No more minor BIP-x or anything, just Bitcoin.

Now, what would be better for the network? 100 transactions a day, or
100 000 000?

How about 10 transactions?

Bitcoin needs *more* transactions, not less. Last year at the same time
there was even talks about how the block limit was way too large,
resulting in almost non-existent fees.

I agree we can want to find better ways to store the data, but getting
less transactions is not the goal. In fact, if Bitcoin is to be even
mildly successful, there will be a lot more.
1787  Bitcoin / Development & Technical Discussion / Re: Is/will Bitcoin wallet trawling become a thing/threat ? on: May 01, 2012, 12:04:04 AM
I saved a quote from this forum for this kind of question:

Quote
Quote from: TiagoTiago on June 28, 2011, 09:14:06 pm
If mining hardware was instead dedicated to generating new addresses; how long do you think would it take till someone stumbled on an existing address that had more BTC stored than what the person would have earned by mining?
----
Never. Even if the whole generating network was behind it, it would probably never even stumble upon a previously used address, much less one that is worth more than the number of blocks it could have generated instead. Generating blocks is trivial compared to this.

Their are 2^160 possible addresses. Lets say 2^32 (4 billion) people use Bitcoin and each generate 2^16 (65 thousand) address. That gives us 2^48 total addresses out of 2^160 possible. The probability of a generated address matching one of these is 1/(2^112). The probably of finding a block at 35 times the current difficulty is around 1/(2^64). Therefore, it would take 2^48 (281 trillion) times longer to find a previously used address. So if it takes you ten minutes to find a block, it will take over five billion years to find a used address.

Now keep in mind that we don't have 4 billion users, most users have far less then 65 thousand addresses, and the current difficulty is much lower then I used in these calculations. Mining sounds a lot more profitable.

NOTE: I assumed generating an address took equal time as generating a proof-of-work hash. However, I believe generating an address is actually slower since it involves both EC key generation and hashing.
-EricJ2190
1788  Bitcoin / Bitcoin Discussion / Re: use blockchain for proof in court? on: March 31, 2012, 04:57:24 PM
I didn't wait to see if it would be accepted in court: https://bitcointalk.org/index.php?topic=39548.msg519255#msg519255  Grin
1789  Bitcoin / Bitcoin Discussion / Re: How can we trade stocks, gold etc with Bitcoin? on: February 17, 2012, 05:59:29 PM
The easiest solution IMO would be to use a Bitcoin as a stock - otherwise, you enter in a heavy regulated field where Bitcoin would have a hard time infiltrate.

http://frozenlock.files.wordpress.com/2011/11/master-bitcoin.pdf
1790  Bitcoin / Development & Technical Discussion / Re: Proof of authenticity (POA) using the bitcoin blockchain on: September 11, 2011, 05:57:32 PM
Just so you know, I used this in a real life situation.

I just moved in a new apartment. The previous occupant obviously left a window opened and it rained inside. Now part of the floor is ugly.



I told the owner about it, but I still want to keep a proof that I didn't do it. (What if he dies? Did he wrote somewhere the floor is in this state?)

Instead of "hoping" nothing bad happens, I took some pictures, zipped them, got the SHA-1 and sent 0.01 BTC to the equivalent address.

Here is the official time-stamp that will protect my ass if I ever need to: http://blockexplorer.com/q/addressfirstseen/1Lx3wYgWJJ6Rxj3EyXf8riMFd9SCZNVFzD
1791  Bitcoin / Development & Technical Discussion / Re: Smart property on: September 05, 2011, 03:55:09 PM
Wikipedia: The statute of frauds refers to the requirement that certain kinds of contracts be memorialized in a signed writing with sufficient content to evidence the contract.

In what universe a bitcoin contract doesn't fulfill those?
  • Memorialized: Yes, forever in the blockchain.
  • Signed writing: Yes, by the use of public/private key (way safer than a traditional signature on a piece of paper btw)
  • Evidence the contract: Bitcoin contract... the whole construction is, per se, a contract

Not only is it full of potential, I'm certain it's the future.
Great complement to this https://bitcointalk.org/index.php?topic=39433.0
1792  Bitcoin / Bitcoin Discussion / Re: The Bitcoin Show is a Failure on: August 30, 2011, 02:18:51 AM
I still don't see any other Bitcoin show.

Until then, I'm an OnlyOneTV fanboy.
1793  Bitcoin / Bitcoin Discussion / Re: Bitcoins, or the ultimate proof of ownership on: August 26, 2011, 10:33:32 PM
Shameless bump

1794  Bitcoin / Development & Technical Discussion / Master Bitcoin - The Proof of Ownership on: August 26, 2011, 12:34:10 AM
I've put on paper some of my previous thoughts about the Bitcoin Blockchain and how it can be used as a proof of ownership.

This is, in part, why I'm so enthusiast about Bitcoin.


All comments are welcome, good or bad!
Master Bitcoin - The Proof of Ownership

Oh, and feel free to copy, I think the hosting is valid for 30 days only on this siteWink
1795  Bitcoin / Bitcoin Discussion / Re: Bitcoins, or the ultimate proof of ownership on: August 16, 2011, 11:53:50 PM
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How then is the value of your company allowed to float in the market as a free market entity? Unless I have something horribly screwed up, it seems that your shares are not independent units of value representing a share in the net equity of your company, but rather they are linked to the fluctuating market value of bitcoin. (...) (...) (.................)

You can buy a Bitcoin with other Bitcoins, with USD, or with gold if you want.

You could want to buy 0.001 Master Bitcoin of Acme for 1000 BTC, because this 0.001 gives you the opportunity to vote, but also a claim on the company's assets.
1796  Bitcoin / Bitcoin Discussion / Re: Bitcoins, or the ultimate proof of ownership on: August 16, 2011, 11:47:33 PM
Shortline: how would not using the blockchain be more secure in case of a cyber-war?

Karmicads: Can't you explain yourself... in less words?

Yes, the share is at the same time valued as the Bitcoin on which it stands.
Today, if a company loose too much money, the paper on which the share is printed can also be worth more.

It is, of course, in the advantage of the issuer to use a small number of Bitcoins, just as it is to not print on thin gold leaf. 

Quote
Quote
I still don't like the idea of diluting one's shares. It isn't a question of value, but rather of vote power. Even if my share are worth the same on the market, if my vote is only a tenth of what it was before, I've lost something.

You haven't lost the power to influence any descisions in proportion to equity of your holdings. It's a percentage-wise game.
I never said I lost proportion wise, I lost in absolute!
I have a dish with a kg of fish.
Later someone comes along and says he replaced it with a proportion equal fish/dish size ratio, then gives me 1g of a fish. I don't care if the proportion is maintained, I'm hungry!

Quote
The other share holders who bought in to the company at the same time as you are also reduced in their voting power against (or with) you. Meanwhile, the shareholders who are coming on-board in the more recent offering, are entitled to their share of the vote, as they have paid good money towards the equity of the whole company (including your share), and increased the net value with their own hard earned dollars.
Sure, the total value has increased, but not the value of my share. I immediately loose vote power for a maybe more successful company later.

Quote
Well that would not be possible by any legitimate legal ownership arrangement that I know of in the real world... would it?
That's exactly my point. Thanks for bringing it to the front scene.

Quote
Quote
Imagine you are 50% owner of a building with a friend. If he sells 40% of the entire property (not only his part, but yours too) to buy new furniture, new paint, renovate the bathroom, I would consider you have been screwed -even if your share is worth the same thing on the market.
(...)Secondly, "40% of the entire property" is still only 40% of the property (there's nothing entire about 40% of something)
Er... I don't even know where to begin.
I said: 40% of the entire property. You replied: there's nothing entire about 40% of something.
Well no... that's why I wrote "of"!

Quote
(...)and by selling that 40% he then forgoes 40% of the decision making power. He now only retains 10% of the ownership
No no no, that's exactly why I specified 40% of the entire property. He sells "new share" in your ownership and reduce your absolute proportion.

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I have no idea what this so called "Master Bitcoin" is supposed to represent. For starters, the blockchain doesn't represent or record any particular discrete values of bitcoin ownership. If you decide to send some bitcoin, the amount is arbitrary, but it's divisible down to the base unit (the satoshi) that is 8 orders of magnitude smaller than the whole bitcoin. What the blockchain records is not specific 'values' of bitcoin, but transactions of ANY value IN bitcoin. So it records who has done the trasaction and what the value of that trasaction is. How then are you going to 'anchor' the value of this "Master Bitcoin" to a particular share value, or to the total equity value of the company you want to have floating (presumeably with it's own value) in the free market?
Every transaction is recorded in the blockchain. To check if someone has a part of a particular bitcoin (previous transaction), simply look at the blockchain.

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There is in many country (not everywhere- this is the internet) laws against insider tradings.
Nevertheless, I don't see anything wrong with the fact of acting on information others might not have. I do it everyday. My whole career is based on the fact that I have knowledge others don't (engineering).

Presumably what you call 'knowledge' is a free market asset (although I fail to see how). Nevertheless it doesn't give you the power to literly 'cheat' in any system where that asset of any salable value.
It's not an asset, what I know is part of who I am.
I don't "cheat" if I act on what I know. It's called life.

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In an idealised free market, your 'knowledge' for want of a better expresion should give you no better advantage than anybody vested with the same opportunities to gain that knowledge or use their own alternative knowledge.
Well if they have the same "opportunity", why bother? If it's exactly the same knowledge, we both gain equally. If they don't grab the opportunity, what's the problem?

Quote
(..)What can your knowledge of engeneering do to give you an 'unfair' advantage in trading on an idealisticly level playing field?
Why do you say unfair? What is the "playing field"?
I can do what I do while others don't, because they don't have the same knowledge as I do.

If someone works in a company and learn something, why would it be unjust for him to act on this information?





1797  Bitcoin / Bitcoin Discussion / Re: When paying a bill ask "Can I pay you in bitcoin?" on: August 16, 2011, 02:56:38 AM
I asked it to my ISP, Datahand keyboard (out of stock, nooooo!) and Geekdesk.
1798  Bitcoin / Bitcoin Discussion / Re: How Bitcoin will change the voting systems on: August 16, 2011, 02:54:32 AM
Interesting read.

Unfortunately, it seems to be more of the what we have actually: Go to a little booth, provide a piece of identity, write something on a piece of paper... ? ... profit.
You still have to hope that none of the papers will be lost (or tossed away).

What I like in the blockchain is how it's public, anonymous (with care) and a history record. (and incredibly cheaper)
1799  Bitcoin / Bitcoin Discussion / Re: Bitcoins, or the ultimate proof of ownership on: August 16, 2011, 02:11:55 AM
I still don't like the idea of diluting one's shares. It isn't a question of value, but rather of vote power. Even if my share are worth the same on the market, if my vote is only a tenth of what it was before, I've lost something. Imagine you are 50% owner of a building with a friend. If he sells 40% of the entire property (not only his part, but yours too) to buy new furniture, new paint, renovate the bathroom, I would consider you have been screwed -even if your share is worth the same thing on the market.

Unfortunately (for me), a new Master Bitcoin could be declared. It's up to the owners and the public to decide if they accept it. It was a personal taste declaration.

There is in many country (not everywhere- this is the internet) laws against insider tradings.
Nevertheless, I don't see anything wrong with the fact of acting on information others might not have. I do it everyday. My whole career is based on the fact that I have knowledge others don't (engineering).

So even if some of you don't like the idea of insider trading, I won't use my precious time to try to find a solution to what I consider is a non-problem.  Wink
Of course, you are welcome to think about solutions if you want to.

I will add that trying to prove someone acted because of a precise knowledge is way- waaaaaay harder than simply proving someone acted. It's in part why I think insider tradings laws are shenanigans.

Now, back to basics:
Yes, mining is necessary to the security of the network. He who controls mining controls history! Mining doesn't have to generate coins, but you'll have to find an incentive for the miners.
This is where I don't follow you. Sure, a protocol made only for a specific usage could have more interesting functions, but I don't see how it could take off.
Alternatively, the Bitcoin's blockchain is already here, already secure, and ours to use!  Grin
1800  Bitcoin / Bitcoin Discussion / Re: Bitcoins, or the ultimate proof of ownership on: August 15, 2011, 04:23:30 PM
Quote
- A company can never raise capital by issuing new shares, which is common practice.

Perhaps it's a mistake. If I own 10% of a company, I would be furious if they dilute this into 1%.
You make one master BTC and stick with it. (You don't have to sell everything)

Like fornit said, another master BTC could be declared, but I don't like the idea.

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But then it doesn't really have any advantages on the "trust" side, I'd probably rather trust and 3rd party broker than the company itself who has more motive to cheat.
The advantage here is that the blockchain is the proof.

I have a number in a database that can be changed anytime (without the company even knowing you wanted to buy a share)
VS
I have a part of a master bitcoin coming form an unchangeable history.

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If shareholders are anonymous how do you prevent insider trading?
You don't. People sell and buy with the information they have (like they do today anyway).

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How do I know if one single holder has control of more than 51% of the company? Large shareholders legally have to be declared so you know who is running the show and what conflicts of interest there maybe.
You don't, except if he publicly moves 51% of the master BTC.

By the way, what conflict of interest could you have against your own property? (It's a genuine question, I can't find any example.)
 
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