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Speeding up signature verification Development & Technical Discussion
Great stuff! A 25% win is pretty significant when you look at it in terms of har…
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n/a | Mike Hearn | February 08, 2011, 07:28:00 AM |
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new bitcoin website Bitcoin Discussion
That's pretty cool. I'd suggest moving it off your home server to a dedicated ho…
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n/a | Mike Hearn | February 07, 2011, 07:34:46 AM |
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Will the block chain size ever become too large? Development & Technical Discussion
QuoteOf course this is easily solvable using GPUs. So not a bottleneck anymore i…
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n/a | Mike Hearn | February 07, 2011, 07:10:44 AM |
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Will the block chain size ever become too large? Development & Technical Discussion
Zerbie, the transactions are stored in the block chain, but once all the outputs…
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n/a | Mike Hearn | February 06, 2011, 05:42:51 AM |
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Will the block chain size ever become too large? Development & Technical Discussion
Even if we assume BitCoin grows to VISA scale it'd be possible to run a full net…
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n/a | Mike Hearn | February 06, 2011, 05:36:48 AM |
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BitCoin meetup in Zurich, Feb 2011? Project Development
It wasn't really a formal meeting so there was no specific agenda and nothing to…
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n/a | Mike Hearn | February 06, 2011, 05:33:23 AM |
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Bitcoin bottleneck Bitcoin Discussion
From what I understand 10 minutes was chosen as a best guess based on p2p networ…
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n/a | Mike Hearn | February 05, 2011, 05:29:02 AM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
If somebody is going to work on the code for this, please consider N alternative…
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n/a | Mike Hearn | February 03, 2011, 12:59:39 PM |
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Public Key Infrastructure Bitcoin Discussion
You can already log in to websites with public/private keypairs, it's called cli…
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n/a | Mike Hearn | February 03, 2011, 12:54:23 PM |
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Bitcoin bottleneck Bitcoin Discussion
No, difficulty is chosen by the software automatically to target a 10 minute ave…
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n/a | Mike Hearn | February 03, 2011, 12:52:28 PM |
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BitCoin meetup in Zurich, Feb 2011? Project Development
Ah, that's too bad. Could you make it if we moved it an hour earlier?Otherwise s…
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n/a | Mike Hearn | February 03, 2011, 12:51:37 PM |
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Bitcoin bottleneck Bitcoin Discussion
It's random but averages out to 10 minutes over time.You don't have to wait for…
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n/a | Mike Hearn | February 03, 2011, 12:49:08 PM |
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Mining behind a firewall Mining
It doesn't make a big difference. Accepting inbound connections is good for the…
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n/a | Mike Hearn | February 03, 2011, 12:47:21 PM |
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Don't sell yourselves out Bitcoin Discussion
If Google (or another big firm) were to support BitCoin it'd probably be in the…
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n/a | Mike Hearn | February 03, 2011, 12:45:58 PM |
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BitCoin meetup in Zurich, Feb 2011? Project Development
OK, sounds like there'll be a few of us.How about 4:30pm at the Oliver Twist pub…
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n/a | Mike Hearn | February 03, 2011, 09:10:19 AM |
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MtGox account compromised Bitcoin Discussion
please explain as many are more proficient than myself in this area:using facebo…
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n/a | Mike Hearn | February 01, 2011, 07:18:45 AM |
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MtGox account compromised Bitcoin Discussion
MtGox could/should also implement Facebook/Google logins. These companies provid…
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n/a | Mike Hearn | February 01, 2011, 04:57:05 AM |
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Potensial Killer application for Bitcoins? Bitcoin Discussion
This sort of proposal comes up from time to time.These ideas don't work because…
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n/a | Mike Hearn | January 31, 2011, 04:25:54 PM |
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Near dollar parity on MtGox Bitcoin Discussion
It's not good for the BitCoin economy. It makes it obvious that BitCoin is not r…
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n/a | Mike Hearn | January 31, 2011, 04:22:22 PM |
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RFC: Bitcoin Mixnet Development & Technical Discussion
There's a difference between currencies and legal tender. The USG doesn't care w…
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n/a | Mike Hearn | January 30, 2011, 04:43:41 PM |
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RFC: Bitcoin Mixnet Development & Technical Discussion
By mixer I mean a service that has coins and will send coins from its wallet whe…
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n/a | Mike Hearn | January 30, 2011, 03:54:41 PM |
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$2000-$2500 Bounty Offered Development & Technical Discussion
I think if the goal is to avoid detection+blocking then having the ability to ru…
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n/a | Mike Hearn | January 30, 2011, 11:55:35 AM |
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RFC: Bitcoin Mixnet Development & Technical Discussion
I mean one "pro" mixer rather than several mixers. I mean, sure, if there are se…
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n/a | Mike Hearn | January 30, 2011, 11:42:29 AM |
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$2000-$2500 Bounty Offered Development & Technical Discussion
The point of UPnP is to help users who are running the software at home. It's go…
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n/a | Mike Hearn | January 29, 2011, 11:01:06 AM |
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$2000-$2500 Bounty Offered Development & Technical Discussion
Bear in mind that quite a few oppressive regimes actually own or can probably ob…
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n/a | Mike Hearn | January 29, 2011, 07:39:49 AM |
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21million BTC is just over 51 bits of precision... Development & Technical Discussion
I really don't think BitCoins should ever be represented as floats except for pr…
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n/a | Mike Hearn | January 29, 2011, 07:31:29 AM |
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What if you spend after receiving a double spend? Development & Technical Discussion
I think the transactions in question will go back to showing as zero confirmatio…
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n/a | Mike Hearn | January 29, 2011, 07:30:22 AM |
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Mobile client design ideas Development & Technical Discussion
When the client triggers block chain download it has to provide the locator to t…
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n/a | Mike Hearn | January 28, 2011, 08:13:30 PM |
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RFC: Bitcoin Mixnet Development & Technical Discussion
I'm not sure having lots of small mixers then joining them together is necessari…
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n/a | Mike Hearn | January 28, 2011, 08:04:46 PM |
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Mobile client design ideas Development & Technical Discussion
Yes, you keep a few block headers around so you can get back onto the main chain…
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n/a | Mike Hearn | January 28, 2011, 06:20:48 PM |
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Mobile client design ideas Development & Technical Discussion
I don't think so? You can just store the length/difficulty of the longest chain…
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n/a | Mike Hearn | January 28, 2011, 02:28:27 PM |
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Facebook to take on PayPal, rule micro-payments? Off-topic
FB Credits are pegged to the dollar. 10 credits = 1 dollar.
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n/a | Mike Hearn | January 28, 2011, 10:37:25 AM |
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[Solved]BouncyCastle - How to generate Bitcoin compatible keys, signatures... Development & Technical Discussion
Yes, because you are already doing the hashing yourself. If you don't specify NO…
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n/a | Mike Hearn | January 28, 2011, 08:21:22 AM |
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Mobile client design ideas Development & Technical Discussion
Trying to verify transactions for yourself on an Android phone is a bad idea, be…
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n/a | Mike Hearn | January 28, 2011, 05:15:21 AM |
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[Solved]BouncyCastle - How to generate Bitcoin compatible keys, signatures... Development & Technical Discussion
Good to hear you have it figured out. I guess that explains the difference ... I…
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n/a | Mike Hearn | January 28, 2011, 04:59:42 AM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
Sorry, I can't give you any more code.Consider the following things:1) Are you t…
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n/a | Mike Hearn | January 27, 2011, 01:06:52 PM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
I used the Bouncy Castle ECDSA API directly. I don't have any Java JCE code in m…
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n/a | Mike Hearn | January 27, 2011, 06:13:48 AM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
The tx is hashed in a form where all the inputs are cleared except the one you a…
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n/a | Mike Hearn | January 26, 2011, 05:53:28 PM |
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Bitcoin Kiosks Bitcoin Discussion
Don't promote BitCoin on the grounds that their value is rising and it's a good…
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n/a | Mike Hearn | January 26, 2011, 11:46:07 AM |
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Newbie Merchant Guide Bitcoin Discussion
Nick, you're right that BitCoin needs to be explained in a simpler fashion for n…
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n/a | Mike Hearn | January 26, 2011, 11:37:30 AM |
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What has it got in its walletses? Development & Technical Discussion
The block chain file is simply a concatenation of the blocks themselves. The ind…
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n/a | Mike Hearn | January 26, 2011, 11:35:15 AM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
Yes, this took a while for me to get right as well.I'm afraid you just have to p…
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n/a | Mike Hearn | January 26, 2011, 11:30:54 AM |
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Making the Faucet sustainable.... Project Development
Yes, AdsCaptcha looks like a very questionable idea from a security perspective.…
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n/a | Mike Hearn | January 18, 2011, 06:17:41 AM |
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Making the Faucet sustainable.... Project Development
AdsCaptcha looks very brute forceable.How about this - you could require ownersh…
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n/a | Mike Hearn | January 17, 2011, 02:26:25 PM |
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Quantum money using knots Bitcoin Discussion
No, they wouldn't be compatible.Quantum computing is something that has made gre…
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n/a | Mike Hearn | January 17, 2011, 02:05:41 PM |
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Let's send Satoshi to Financial Cryptography Bitcoin Discussion
I'm so sorry Hal! But wow, I have to admire the matter of fact way you analyzed…
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n/a | Mike Hearn | January 17, 2011, 02:03:39 PM |
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Let's send Satoshi to Financial Cryptography Bitcoin Discussion
I'd be willing to make a decent sized contribution to that, assuming Satoshi wan…
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n/a | Mike Hearn | January 17, 2011, 07:46:38 AM |
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Quantum money using knots Bitcoin Discussion
Here's an interesting paper on what is effectively a BitCoin-ish like scheme usi…
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n/a | Mike Hearn | January 17, 2011, 07:42:18 AM |
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GAE Miner Development & Technical Discussion
I should note at this point that I work for Google in one of the anti-abuse depa…
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n/a | Mike Hearn | January 12, 2011, 09:14:37 AM |
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secp256k1 Development & Technical Discussion
I discussed this with Satoshi. There is no particular reason why secp256k1 is us…
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n/a | Mike Hearn | January 11, 2011, 05:31:40 PM |
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Peak oil, fact, fiction or government scape goat? Economics
The point about Iraq is that it looks like the troop surge worked and the countr…
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n/a | Mike Hearn | January 10, 2011, 12:03:11 PM |
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Peak oil, fact, fiction or government scape goat? Economics
Actually just read the recent articles on his blog, earlywarn.blogspot.com. His…
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n/a | Mike Hearn | January 10, 2011, 08:51:48 AM |
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Peak oil, fact, fiction or government scape goat? Economics
I got very concerned and read a lot about peak oil a few years ago. I strongly r…
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n/a | Mike Hearn | January 10, 2011, 08:12:00 AM |
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BitCoin meetup in Zurich, Feb 2011? Project Development
Heya,It seems there are quite a few BitCoiners in Switzerland and Zurich specifi…
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n/a | Mike Hearn | January 10, 2011, 05:57:22 AM |
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Client wallet handling Development & Technical Discussion
Anyone with access to your computer can just install a program that steals your…
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n/a | Mike Hearn | January 10, 2011, 05:45:52 AM |
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secp256k1 Development & Technical Discussion
I believe the key factor in the choice of curve, size and indeed ECC itself was…
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n/a | Mike Hearn | January 10, 2011, 05:35:03 AM |
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Client wallet handling Development & Technical Discussion
Why? None of that will stop a virus that is written to steal your coins.I think…
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n/a | Mike Hearn | January 09, 2011, 06:03:29 PM |
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secp256k1 Development & Technical Discussion
Satoshi does communicate both over email and this forum. I've had several good c…
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n/a | Mike Hearn | January 09, 2011, 04:55:59 PM |
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secp256k1 Development & Technical Discussion
It's still worth considering a move away from secp256k1 as changes like this are…
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n/a | Mike Hearn | January 09, 2011, 03:46:12 PM |
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secp256k1 Development & Technical Discussion
Have you mailed Satoshi to ask him? I would be interested in why this was chosen…
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n/a | Mike Hearn | January 09, 2011, 08:04:21 AM |
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Can viruses steal people's bitcoin purses? What can be done for protection? Development & Technical Discussion
I'm not sure I agree that "banks achieve a high level of security", there is an…
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n/a | Mike Hearn | January 09, 2011, 07:53:19 AM |
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[industry] Visa advances cardholder security through improved fraud detection Bitcoin Discussion
Here's an interesting press release in light of discussions around the risk of v…
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n/a | Mike Hearn | January 08, 2011, 07:01:38 AM |
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End the Confusion - Organizing the Protocol development effort Bitcoin Discussion
Yeah, I can imagine future new protocol messages being done differently, but the…
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n/a | Mike Hearn | January 08, 2011, 06:53:59 AM |
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Bitcoin Protocol Specification Development & Technical Discussion
The best suggestion I've seen for saving bandwidth is that completed blocks shou…
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n/a | Mike Hearn | January 07, 2011, 10:59:22 AM |
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A bitcoin PTC(Paid to Click) Service Marketplace
Trying to "help" BitCoin by doing shady stuff is a waste of time and will just b…
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n/a | Mike Hearn | January 07, 2011, 10:41:44 AM |
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Making a real tangible bitcoin that actually conveys BTC Development & Technical Discussion
Current smartphone sales rates are so high that within a few years, basically ev…
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n/a | Mike Hearn | January 07, 2011, 10:40:20 AM |
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A bitcoin PTC(Paid to Click) Service Marketplace
Whose ads do you plan to click on? I really doubt you can beat the AdSense team…
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n/a | Mike Hearn | January 07, 2011, 10:06:40 AM |
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Making a real tangible bitcoin that actually conveys BTC Development & Technical Discussion
I'm probably just being slow but I don't see how stealing a private key through…
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n/a | Mike Hearn | January 07, 2011, 10:00:45 AM |
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Making a real tangible bitcoin that actually conveys BTC Development & Technical Discussion
I don't really understand the point of this.You can't know whether a card has be…
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n/a | Mike Hearn | January 07, 2011, 05:25:06 AM |
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What happens when you charge a customer's card? [Infographic] Bitcoin Discussion
It would just be two circles and an arrow
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n/a | Mike Hearn | January 07, 2011, 05:13:56 AM |
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Bitcoin in "silent mode" Project Development
The blocks contain the difficulty transitions. Unless the attacker was able to k…
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n/a | Mike Hearn | January 06, 2011, 09:06:16 AM |
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100 BTC for a key extracting program Project Development
DER encoding is a form of ASN.1I really wouldn't recommend trying to do this in…
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n/a | Mike Hearn | January 06, 2011, 09:04:22 AM |
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CIA bot for gavin's bitcoin branch on github Development & Technical Discussion
It's called CIA because it was originally written to "keep an eye on Subversion"…
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n/a | Mike Hearn | January 06, 2011, 08:55:53 AM |
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Major Retail Point of Sale Initiative in USA Bitcoin Discussion
Sounds good.I am curious about your Android/iPhone apps though. I take it you're…
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n/a | Mike Hearn | January 06, 2011, 08:51:58 AM |
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Micropayments? Bitcoin Discussion
I think you are probably right m0mchil. In theory that could be done and then no…
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n/a | Mike Hearn | January 03, 2011, 03:49:06 AM |
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ewallet provider w/ web-based keyboard? Bitcoin Discussion
Modern malware just dumps any form submitted over SSL into a database on the bot…
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n/a | Mike Hearn | January 02, 2011, 04:33:26 PM |
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MtGox now accepting bank transfers from Europe Marketplace
My question is how much the price of BitCoins reflects speculation vs actual eco…
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n/a | Mike Hearn | January 01, 2011, 04:00:19 PM |
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[TESTING] Sending SMS with bitcoin Marketplace
Pretty cool stuff. Just a suggestion - to make it easier/quicker to sign up (whi…
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n/a | Mike Hearn | January 01, 2011, 11:29:28 AM |
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A "real" Bitcoin Bitcoin Discussion
It'd be cool to come up with a coin design that's RepRappable. It'd fit well wit…
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n/a | Mike Hearn | January 01, 2011, 06:48:37 AM |
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Micropayments? Bitcoin Discussion
Not sure. A hypercube based network sounds interesting, but it's potentially a l…
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n/a | Mike Hearn | January 01, 2011, 06:31:25 AM |
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Distributed reputation system Bitcoin Discussion
The problem with trying to define a trader reputation like that is it needs to b…
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n/a | Mike Hearn | December 31, 2010, 11:17:28 AM |
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Micropayments? Bitcoin Discussion
I don't think that's a big concern either.Let's assume an average rate of 2000tp…
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n/a | Mike Hearn | December 31, 2010, 10:32:17 AM |
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Micropayments? Bitcoin Discussion
I don't think it's worth worrying about core network load for a long time yet. B…
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n/a | Mike Hearn | December 30, 2010, 03:50:47 PM |
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Using Bitcoin for email postage to reduce spam? Bitcoin Discussion
If the spam goes to your spam folder, then it's (nearly) a solved problem, right…
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n/a | Mike Hearn | December 30, 2010, 03:00:50 PM |
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Using Bitcoin for email postage to reduce spam? Bitcoin Discussion
This won't work because it does not distinguish between spam and legitimate bulk…
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n/a | Mike Hearn | December 30, 2010, 01:14:28 PM |
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What problem does bitcoin solve? Bitcoin Discussion
I don't really understand why you think the Wikileaks thing doesn't apply to you…
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n/a | Mike Hearn | December 29, 2010, 01:48:54 PM |
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i want to understand Bitcoin Discussion
Your enthusiasm is great, but I'd recommend reading this thread http://bitcoin…
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n/a | Mike Hearn | December 29, 2010, 07:55:29 AM |
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Bitcoin Smart Card Bitcoin Discussion
iPhone is behind the times. Maybe iPhone 5 will have the necessary electronics.
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n/a | Mike Hearn | December 28, 2010, 01:08:48 PM |
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Instant New Way to Send Bitcoins Development & Technical Discussion
Yeah, exactly. Once a transaction appears as 0/unconfirmed, what that actually m…
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n/a | Mike Hearn | December 27, 2010, 06:13:41 PM |
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Bitcoin Smart Card Bitcoin Discussion
Smartcards are probably heading the way of the dodo in the long term. New mobile…
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n/a | Mike Hearn | December 27, 2010, 06:07:23 PM |
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Micropayments? Bitcoin Discussion
The reason the min tx is 0.01 BTC is to avoid the network being flooded with tin…
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n/a | Mike Hearn | December 26, 2010, 06:29:22 PM |
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Block non-convergence soon? Development & Technical Discussion
There is an "extraNonce" part of the block. It's where the script would be in th…
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n/a | Mike Hearn | December 26, 2010, 06:26:50 AM |
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bitcoin and net neutrality Bitcoin Discussion
The tl;dr version is "nothing to see here, move along".The longer version is thi…
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n/a | Mike Hearn | December 23, 2010, 05:07:58 AM |
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The World's First International Bitcoin Users Meet-up Project Development
We should definitely organize a Zürich BitCoin meetup in January or February som…
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n/a | Mike Hearn | December 22, 2010, 07:22:34 PM |
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Random Access Block Chain Development & Technical Discussion
Yes, given only a set of keys and nothing else, a client needs to traverse the b…
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n/a | Mike Hearn | December 22, 2010, 08:10:27 AM |
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Safety protocols using Bitcoin from a cybercafe... Bitcoin Discussion
Given that BitCoin is very small the risk of wallet theft is largely theoretical…
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n/a | Mike Hearn | December 21, 2010, 12:04:45 PM |
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Feature request : signing a text with a wallet key Development & Technical Discussion
Yeah, being able to sign messages with your BitCoin keys would be useful and not…
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n/a | Mike Hearn | December 20, 2010, 03:12:01 PM |
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Development process straw-man Development & Technical Discussion
Perhaps controversial but for what it's worth, Subversion is a lot simpler and e…
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n/a | Mike Hearn | December 19, 2010, 07:55:05 PM |
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What is the client writing to the disk? Development & Technical Discussion
It records blocks and transactions into a database. So that is expected.
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n/a | Mike Hearn | December 19, 2010, 07:51:46 PM |
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Point of Sale Technical Issues Bitcoin Discussion
Agreed with the first posters, transaction time should be basically instant by t…
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n/a | Mike Hearn | December 18, 2010, 07:12:22 AM |
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