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404
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Bitcoin / Development & Technical Discussion / Re: Possible to send a transaction without sending ALL coins from your adress?
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on: June 12, 2012, 06:47:08 AM
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Interesting. Could you then Just have a wallet with two addresses, A and B, and bounce the change from one to the other when sending to X?
ie, your wallet has address A and B only, and A holds 50 BTC. X,Y,Z are various addresses you want to send coins to.
A sends 10 to X, remaining 40 to B
B now has 40 BTC.
B sends 10 to Y, remaining 30 to A
A now has 30 BTC
A sends 10 to Z, remaining 20 to B
B now has 20 BTC.
etc etc...
I'm looking at the possibility of hard-coding the private keys for A and B into an executable, in case anyone is wondering why I'm asking.
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409
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Economy / Computer hardware / Re: 2 x BFL BitForce Singles for Sale
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on: June 10, 2012, 08:58:52 AM
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Looking for 170BTC each (yes, it's a premium, but you avoid the waiting list and will also have the chance to trade up to the new ASIC's when that happens). Disregarding power consumption, and assuming the diff stays constant, and even without the block reward split, these would take 10! months to pay themselves off  But yes, we all want singles. |
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410
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Economy / Service Discussion / Re: BITCOIN MAGAZINE ARRIVED!
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on: June 09, 2012, 03:01:00 AM
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The next issue will be increased page count, higher quality content, and faster deliver for most.
I pre-ordered the first issue over a month ago. If I put in another order right now, would I be getting another copy of the First issue, or will an order placed today start with the second issue? |
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414
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Bitcoin / Pools / Re: What's wrong with this picture?
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on: June 08, 2012, 05:15:48 AM
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On one hand, they are under no obligation to calculate the free transactions, but on the other, it's discerning to see the largest pool taking this stance  |
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416
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Bitcoin / Development & Technical Discussion / Re: How does bitcoin know what time it is?
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on: June 07, 2012, 12:01:28 PM
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Thanks! Might as well quote it here: Each block contains a Unix time timestamp. In addition to serving as a source of variation for the block hash, there are also validity checks, that make it more difficult for an adversary to manipulate the block chain.
A timestamp is accepted as valid if it is greater than the median timestamp of previous 11 blocks, and less than the network-adjusted time + 2 hours. "Network-adjusted time" is the median of the timestamps returned by all nodes connected to you.
Whenever a node connects to another node, it gets a UTC timestamp from it, and stores its offset from node-local UTC. The network-adjusted time is then the node-local UTC plus the median offset from all connected nodes. Network time is never adjusted more than 70 minutes from local system time, however.
Bitcoin uses an unsigned integer for the timestamp, so the year 2038 problem is delayed for another 68 years. That Satoshi is one smart cookie  |
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417
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Economy / Speculation / Re: The Fed will not ease.
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on: June 07, 2012, 11:49:09 AM
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Growth potential is still effectively unlimited. Yeah, and we could potentially build a Dyson Sphere and engineer humanity as a race of midgets that can survive on 300 Calories a day... go on... |
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418
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Bitcoin / Development & Technical Discussion / How does bitcoin know what time it is?
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on: June 07, 2012, 11:46:47 AM
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Since the bitcoin network requires a point of reference to see how far apart the ends of a 2016 block cycle are, what source does it use to tell time? At the end of whatever convoluted process it uses, there is a clock/timer somewhere that is used for reference.
I'm asking because that would be a potential weakness in the bitcoin protocol.
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419
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Other / Beginners & Help / Re: OMG 1 terahash = 1 million USD ahahahaha
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on: June 07, 2012, 09:22:21 AM
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Can you imagine if some mad scientist pointed his quantum computer at bitcoin, solved all the blocks in a split second at the beginning of a new difficulty re-target, then unplugged, leaving the difficulty at 10 billion. Would take the network a year to solve the next 2016 blocks to re-target to normal again  Difficulty increase is limited to 4X. Learn something new about bitcoin every day! Can you provide a source btw? |
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420
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Economy / Scam Accusations / Re: Scam Report Against CryptoXchange $100k USD
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on: June 07, 2012, 07:40:02 AM
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Just send him back his BTC and quite trying to be the fucking Bitcoin Police
That's probably the best way out of it. That's not what "cryptoxchange" wants. They'll do whatever, as long as they get to keep the money and the coins. I guess everyone has a price, and $100,000 was enough for cryptoxchange. |
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