I don't think it matters because
if anything ever becomes a serious enough issue, we'll just update! Yup. It is the miners that will be impacted the most. The bitcoin network, speculators, etc, .. will probably be barely considered an event even, because we know when (about December 9th, plus or minus a week, roughly) and how much (50 BTC to 25 BTC). |
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what is the best method to keep your bitcoins safe? in your personal bitcoin wallet or in mtgox bitcoinica accounts?
and how to exchange from your bitcoin wallet to cash?
The level of attention needed for security will increase as the amount of funds held increases. For large amounts, (tens of thousands of dollars worth) for instance, the recommendation is to only use systems that have an "air gap" to the network. Some clients will help with this ... Armory being one of them. |
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I search the google up and down and find a single solution to buy and exchange bitcoins!!!
For larger amounts, nothing is cheaper or faster than bank wire directly to an exchange: -- http://en.bitcoin.it/wiki/Buying_bitcoins |
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The way I see it, worst case scenario, I'll have to sell the bike because I do not have enough to pay back,
This is a request for a BTC loan? What if the BTC/USD exchange rate doubles? |
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Is there any other way to excrete the funds from a paper wallet other than pywallet? Perhaps a web based service?
Mt. Gox lets you import a key, and then will sweep any amounts to your Mt. Gox account. It will also do the same automatically in the future should any further payments be received at that address. |
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The hashing that decides the outcome is: hmac_sha512(hidden, trxhash) The client determines the transaction hash so that is not random. The first four bytes of the result of the hmac_sha512() are used instead of a random number generator, and will have values between 0 and 65,535. Has the use of SHA in this manner been proven to result with a random number (i.e., results over time indistinguishable from a specifically purposed RNG)? Is it possible that some transaction hashes will always produce a positive number, for instance, as is one type of attack described here? - http://crypto.stackexchange.com/questions/767/how-to-fairly-select-a-random-number-for-a-game-without-trusting-a-third-party#comment1303_770Would a simple hmac_sha512(sha256(hidden), sha256(trxhash)) or something like that make the outcome less vulnerable to an attack? This isn't risk to players, but because this is wagering against the house, I wonder if there is some aspect of cryptography being misused here where an attacker could exploit this. Which would mean that the pot doesn't grow, and the maximum bets which are still too low won't grow. The thread probably most appropriate to further this discussion: - http://bitcointalk.org/index.php?topic=77206.0 |
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Damn you guys in NY for being first! I will attempt getting this going at UsrLib.org, the Las Vegas coworking facility.
Notice the post said New York City's first. They will be New York City's first coworking office space to accept Bitcoin The first ever coworking to accept Bitcoins as payment was, of course, CoinLab, of Seattle. That is where Nefario was headed when customs stopped him at the airport and after explaining his intention to pay expenses with bitcoins they made him go back home. Along with "bomb" and "fresh fruit," add "bitcoin" to the list of things you should never say at U.S. Customs. - http://www.pcmag.com/article2/0,2817,2389277,00.asp - http://www.geekwire.com/2011/coinlab-center-bitcoin-projects-created-seattle/ |
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And it still knew my identifier!!!!
Is there any chance another copy is still open when you do that? After you clear everything, close it and relaunch it perhaps? |
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A great resource for understanding the flows of your funds is the Dendogram feature provided by BlockChain.info. In the search box paste your address, then click on the transaction where you received funds at that address (may need to scroll down to find it), then in that transaction view click Dendogram.  - http://www.Blockchain.info |
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I'm experiencing this very annoying issue right now. I sent a transaction while bitcoin was offline, I had to restart it to get it to connect and now have to wait forever for it to actually send. How difficult would it be for someone to write a patch that adds a rebroadcast button to transactions that are unconfirmed when bitcoin is opened? Even an rpc command would be great...
According to this -forceresend is going to be a command line option perhaps? Or was it closed and is not being implemented (since the rebroadcast will occrur within 30 minutes anyway?) - https://github.com/bitcoin/bitcoin/pull/421 |
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It is a Javascript wallet that stores information locally. If you were to clear your browser cache and reload the site it would think you are a first time visitor and will create a wallet yet again.
So it is possible that you are looking at a second wallet.
The site is having trouble at this very moment or I'ld try to docment the steps to logout and get back into your previously used wallet. Do you have an e-mail with a link to the wallet? I'm not sure if it does that during initial sign-up.
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While there I went into the Tempe Farmer's Market a few time to get something cold. I talked with some of the employees and one of the owners. The first employee I spoke with is good with computers and linux/android. I brought up Bitcoin, He mentioned they were interested in other currencies and he suggested I speak with the owner. The owner was interested.
I had a BitBill in my pocket and used it to help explain BTC. I was about to go back in to get something else, but grabbed my Casascius coin to show him, he got even more interested. and wondered if I'd be willing to part with it.
This is how bitcoin spreads and takes root. Bitcoin has not only survived its rough start, it may ultimately have benefitted from it. There are many other payment systems out there. If Bitcoin was just another payment alternative or another currency even, how far might you've gotten in trying to persuade this farmer's market owner. What is hard to explain is why this meeting and discussion occurred. I too carry around a Casascius coin as it is a fantastic visual aid when trying to describe how simple bitcoin really can be -- just two pieces of data. One that is kept secret and one shared publicly. But the reason OpticBit felt compelled to engage this merchant in a conversation about Bitcoin is what is interesting. There are many payment systems and currencies, but none of them have individuals evangelizing to merchants. At least not ones who aren't on the payroll, doing it out of their leisure time on a Sunday. |
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do what Im doing and buy up 2nd hand 5970's.
They have a ROI of about 3 months
That could be misleading. Even if the cost of electricity is not being figured into the equation and you find a steal and pay only $350 for a good, working 5970, you are still close to 5 months. If ROI is the term being used, then ROI is negative until the accumulated operating profits equal the amount invested. So to calculate ROI you need to calculate operating profits. The known variables of price per kWh, cost of the hardware and the hashing strength of the hardware are known. What is unknown is future exchange rates and future difficulty levels. At today's difficulty level a 5970 earns about half a bitcoin a day, and electricity at the U.S. average of $0.15 per kWh means it costs a little over a dollar a day in electricity, a little more when adding in the draw for the mobo/psu/display. So that's about a year to reach breakeven, just on the cost of a GPU itself (0% ROI). That is, assuming, the exchange rate to difficulty ratio doesn't doesn't move against you in the meantime. - http://beta.ivc.no/bitcoin/calc/# |
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Jan Vornberger, Instawallet's previous owner
The whois for the domain doesn't indicate a transfer, which presumably a new owner would want to occur. The site does now show Paymium of France as the copyright, but that's about the closest to indicating which entity now owns the service. The whois shows Jan as registrant, and shows Paymium as technical and admin contacts. Looks correct to me. Let me try being a little more clear with my question. When I send bitcoins to my InstaWallet, someone is holding onto my bitcoins. So if there is a problem, I might want to know who owns InstaWallet. That is my question. Who (what legal entity) owns InstaWallet? |
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I see that fees are added to each payout transaction. In many instances where the wager was small, the fee paid on a payout for a losing wager is a higher amount than the payout.
That's gotta cut into the site's operating costs, to where some wagers place can never be serviced profitably?
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