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Old people, how did you protect purchases before widespread use of credit cards? Bitcoin Discussion
We used checks. For high value transactions, cashier's checks. I don't know how…
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n/a | Hal | August 09, 2013, 04:28:54 PM |
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Zerocoin when? Development & Technical Discussion
E.g. N parties show up in a communications group and want to make a joint transa…
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n/a | Hal | July 10, 2013, 09:25:12 PM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
I really like Adam's very creative idea earlier in this thread to have a pure-ze…
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n/a | Hal | July 07, 2013, 06:01:32 PM |
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Another *Potential* Identifying Piece of Evidence on Satoshi Bitcoin Discussion
Lois Lane:How do you find someone who has spent a lifetime covering his tracks?F…
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n/a | Hal | June 14, 2013, 08:23:42 PM |
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How to file your taxes with Bitcoin Income? Legal
I sent a PM a couple of days ago to frankAcct366, and accompanied it with a bitc…
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n/a | Hal | April 20, 2013, 03:02:08 PM |
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US taxes- specific tax form for BTC/USD trading Legal
I aquired most of my coins by mining. This has no anology with currency (unless…
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n/a | Hal | April 18, 2013, 03:09:26 PM |
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The Key Ring Bitcoin Discussion
The Key Ring by Hal
Which reminded me of this from back in 1998: http://www.nngroup.com/articles/jav…
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n/a | Hal | April 11, 2013, 03:16:14 PM |
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Bitcoin and me (Hal Finney) Bitcoin Discussion
I thought I'd write about the last four years, an eventful time for Bitcoin and…
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n/a | Hal | March 19, 2013, 03:40:02 PM |
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128-cent digital coin / The Crypto Anarchist Manifesto 1988 Bitcoin Discussion
I actually had an account with MTB back in the day. They partnered with David Ch…
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n/a | Hal | March 22, 2013, 01:57:35 PM |
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Bitcoin and me (Hal Finney) Bitcoin Discussion
Thank you so much for your kind and encouraging words. I'm sorry that I can't re…
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n/a | Hal | March 20, 2013, 03:25:32 PM |
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[ANN] bcflick - using TPM's and Trusted Computing to strengthen Bitcoin wallets Development & Technical Discussion
Indeed, I bricked my laptop when I was first experimenting with this technology…
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n/a | Hal | March 18, 2013, 03:56:39 PM |
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[ANN] bcflick - using TPM's and Trusted Computing to strengthen Bitcoin wallets Development & Technical Discussion
Start of the security analysis bcflick is a Flicker PAL (Piece of Application Lo…
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n/a | Hal | March 17, 2013, 06:19:11 PM |
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[ANN] bcflick - using TPM's and Trusted Computing to strengthen Bitcoin wallets Development & Technical Discussion
Actually TPM's do have a secure clock. There's just no guarantee about when it w…
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n/a | Hal | March 17, 2013, 05:35:45 PM |
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[ANN] bcflick - using TPM's and Trusted Computing to strengthen Bitcoin wallets Development & Technical Discussion
In this post, https://bitcointalk.org/index.php?topic=67508.0, Mike Hearn gives…
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n/a | Hal | March 17, 2013, 04:48:15 PM |
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Please dont let bitcoinstore fail, your action is needed just about now. Service Discussion
I made an order from BitcoinStore, a high end HP laptop for my research into str…
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n/a | Hal | March 14, 2013, 02:59:01 PM |
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Virgin Coins Bitcoin Discussion
Virgin Coins by Hal
I was lucky enough to receive the first bitcoin transaction, and then I was care…
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n/a | Hal | December 22, 2012, 07:20:32 PM |
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How to detect the change output? Development & Technical Discussion
I felt bad about losing that donation address, particularly after elux very gene…
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n/a | Hal | December 14, 2012, 10:46:46 PM |
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How to detect the change output? Development & Technical Discussion
Actually the OP observed that the software always puts the change first. I was w…
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n/a | Hal | December 14, 2012, 07:06:44 PM |
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How to detect the change output? Development & Technical Discussion
bitcoin-qt tries to randomize the position of the change output, but I believe t…
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n/a | Hal | December 13, 2012, 08:43:57 PM |
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Avoiding theft using trusted computing Development & Technical Discussion
Apologies for resurrecting this old thread, but I wanted to mention a new develo…
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n/a | Hal | September 01, 2012, 05:08:44 PM |
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Theoretical max speeds for ECDSA verification Development & Technical Discussion
Hi, Mike. I am still alive alive but greatly limited.I looked at the first paper…
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n/a | Hal | August 27, 2012, 09:47:40 PM |
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Etch your wallet into a copper plate Bitcoin Discussion
I got an M-disk drive from Amazon using spendbitcoins.com.This is supposed to us…
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n/a | Hal | August 17, 2012, 01:58:53 PM |
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v0.1 Development & Technical Discussion |
n/a | Hal | March 16, 2012, 12:21:18 AM |
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Bitcoin-Qt, bitcoind version 0.5.3 released Bitcoin Discussion
File this one under "you can't win."I fired up the new client after several days…
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n/a | Hal | March 16, 2012, 12:03:39 AM |
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Bitcoin Off-The-Grid (BOTG): script for very secure long term saving address Project Development
How much entropy does a live cd have after booting?
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n/a | Hal | June 27, 2011, 01:35:28 AM |
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Bitoption.org -- ESCROWED LIVE Bitcoin Options Trading Project Development
Do you have to convert your btc to USD to write a call?
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n/a | Hal | June 09, 2011, 01:48:46 PM |
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Shave and a haircut, two bitcoins Off-topic
Just noticed that we've reached "shave and a haircut" parity. The old secret kno…
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n/a | Hal | June 06, 2011, 01:13:58 AM |
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Historical perspective (for a newbie) Bitcoin Discussion
Research dollar cost averaging.
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n/a | Hal | June 05, 2011, 02:05:36 PM |
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BTC Jokes Bitcoin Discussion |
n/a | Hal | June 04, 2011, 07:00:45 PM |
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Bitcoin and the Efficient Market Hypothesis Economics
Every day that goes by and Bitcoin hasn't collapsed due to legal or technical pr…
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n/a | Hal | June 04, 2011, 06:36:04 PM |
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how to bury some bitcoins without even installing the client Bitcoin Discussion
This patch might work for the importhttp://forum.bitcoin.org/index.php?topic=904…
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n/a | Hal | June 03, 2011, 10:57:56 PM |
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Early speculators' reward Bitcoin Discussion
Any successful replacement of the Bitcoin block chain will forever undermine the…
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n/a | Hal | May 30, 2011, 01:28:34 PM |
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Tiny error in shy version message code Development & Technical Discussion
I'm the author of this code. The main.cpp code sends a version message in respon…
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n/a | Hal | May 25, 2011, 03:19:14 PM |
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[RFC] In-memory key encryption scheme Development & Technical Discussion
Sorry I haven't responded, communicating is hard for me these days. This seems t…
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n/a | Hal | May 21, 2011, 08:41:32 PM |
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Pain realizing early stupidity Bitcoin Discussion
Sent 1000 btc to a friend as a test transaction the first month. Luckily he sent…
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n/a | Hal | May 18, 2011, 08:43:51 PM |
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Original "Genesis" Bitcoin (and a few thousand more) Bitcoin Discussion
I started using Bitcoin the first day. Satoshi sent me 10 btc within a day or tw…
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n/a | Hal | May 17, 2011, 01:20:16 PM |
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BitCoin and money laundering Bitcoin Discussion
Exactly what do you mean by money laundering?
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n/a | Hal | May 11, 2011, 06:36:24 PM |
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[RFC] In-memory key encryption scheme Development & Technical Discussion
One way to deal with the key-addition attack would be to store a MAC (keyed cryp…
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n/a | Hal | May 10, 2011, 05:41:41 PM |
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[RFC] Continuous block reward decrease Development & Technical Discussion
I don't like that the end state would be changed. People signed up for particula…
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n/a | Hal | May 09, 2011, 05:36:25 PM |
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[ANNOUNCE] Webcoin Alpha Sneak Preview Development & Technical Discussion
Q on the video:You received 1 btc, then before it was confirmed, made a payment…
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n/a | Hal | May 06, 2011, 06:12:50 PM |
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Can "true" randomness be obtained with each verified block? Off-topic
One thing you might want to do is use the hash to determine the result of a gamb…
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n/a | Hal | April 11, 2011, 07:08:19 PM |
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This is Bitcoin's future in an image Project Development
Got any Google Trends graphs that match this shape?
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n/a | Hal | April 10, 2011, 01:03:03 PM |
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Difficulty Forecast: Block 118944 Trading Discussion
The second to last dot on the blue line is the last actual data point, right? I…
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n/a | Hal | April 08, 2011, 07:26:37 PM |
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Amsterdam - Bitcoin at one free hackmeeting + another conference Bitcoin Discussion
I was sent this report on genjix's talk, not sure if it's linked elsewhere:http:…
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n/a | Hal | April 07, 2011, 05:49:46 PM |
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The term "mining" has got to go Bitcoin Discussion
One of the influences on Bitcoin was Nick Szabo's idea of Bit Gold. I kind of wi…
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n/a | Hal | April 04, 2011, 02:39:34 PM |
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I accidentally some user accounts Bitcoin Discussion
You also deleted "deleted" in the title...
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n/a | Hal | April 04, 2011, 01:25:58 PM |
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Bitcoin API - solved! Development & Technical Discussion
I added a step to the wiki:# Recheck blockexplorer to make sure the address stil…
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n/a | Hal | April 03, 2011, 10:21:19 PM |
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[PULL] spent per txout Development & Technical Discussion
Trying to review the diff - looks like UpdateSpent() could return fReturn uninit…
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n/a | Hal | April 03, 2011, 03:31:00 PM |
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[PULL] spent per txout Development & Technical Discussion
This is good because without it, someone can test whether 2 addresses are in the…
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n/a | Hal | April 03, 2011, 02:07:44 PM |
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[PATCH] wallet private key encryption Development & Technical Discussion
Steve, the way the client works now, all the wallet keys are read into memory at…
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n/a | Hal | March 31, 2011, 05:37:19 PM |
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your faith in bitcoin Bitcoin Discussion
From The Simpsons, "Homer at the Bat":QuoteHypnotist: You are all very good play…
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n/a | Hal | March 31, 2011, 01:24:44 PM |
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Bitcoin account format spec? Development & Technical Discussion
Look at my sig, Bitcoin address with my name in it courtesy of Gavin's vanity pa…
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n/a | Hal | March 30, 2011, 03:14:14 PM |
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Will Bitcoin work if my ISP blocks outgoing port 8333? Development & Technical Discussion
Does your ISP also block incoming port 8333?
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n/a | Hal | March 29, 2011, 02:30:59 PM |
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Witholding transactions Development & Technical Discussion
I have an even better idea. My transactions compete with those of others for fre…
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n/a | Hal | March 27, 2011, 11:31:25 PM |
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New wiki page on Bitcoin credit Bitcoin Discussion
Back in the 90's on the cypherpunks mailing list, Wei Dai (of Crypto++ and b-mon…
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n/a | Hal | March 27, 2011, 08:11:11 PM |
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Transaction Fees Development & Technical Discussion
Why did you put paytxfee=0.00 in your bitcoin.conf? Is it possible you had anoth…
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n/a | Hal | March 27, 2011, 03:55:21 PM |
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[PATCH] wallet private key encryption Development & Technical Discussion
There's good discussion of this feature here:https://github.com/bitcoin/bitcoin/…
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n/a | Hal | March 27, 2011, 03:42:35 PM |
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btc app Bitcoin Discussion |
n/a | Hal | March 27, 2011, 01:25:44 PM |
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[PATCH] wallet private key encryption Development & Technical Discussion
That's a very concise implementation. I did spot one bug:Code:+ vector Encryp…
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n/a | Hal | March 26, 2011, 08:08:37 PM |
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Bitcoin related domain names... Off-topic
bitcoin.xxx ftw
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n/a | Hal | March 26, 2011, 05:04:06 PM |
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The problem with transaction fees Bitcoin Discussion
Consider a world where mining only pays out transaction fees. Almost all miners…
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n/a | Hal | March 26, 2011, 04:08:53 PM |
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[RFD] All classes which use IMPLEMENT_SERIALIZE should check nVersion on reading Development & Technical Discussion
I see why everyone's so confused about what I'm trying to discuss. I just realiz…
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n/a | Hal | March 24, 2011, 09:43:56 PM |
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CreateNewBlock too slow (especially while bitcoin is under tx spam attack) Development & Technical Discussion
Looking at the getwork code, it should only call CreateNewBlock() every minute o…
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n/a | Hal | March 24, 2011, 06:57:54 PM |
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JavaScript UI for Bitcoin, QR code, bitcoin: URIs Bitcoin Discussion
do i have to run the ssl server to use it locally?The js-remote script implement…
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n/a | Hal | March 24, 2011, 02:47:47 PM |
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What are the odds we'll find a collision by the time the last bitcoin gets mined? Bitcoin Discussion
The person who originally had them would lose them.
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n/a | Hal | March 24, 2011, 02:39:06 PM |
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Use same wallet/address on multiple PCs? Bitcoin Discussion
Warning, lots of bad information and wrong answers in this thread!Addresses are…
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n/a | Hal | March 24, 2011, 02:37:16 PM |
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What are the odds we'll find a collision by the time the last bitcoin gets mined? Bitcoin Discussion
Adding a check for a sufficiently low probability event means that the overwhelm…
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n/a | Hal | March 24, 2011, 02:19:43 PM |
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Pros and cons of using new Bitcoin addresses for each transaction? Bitcoin Discussion
I used to have trouble managing payments to a service that used a new address ev…
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n/a | Hal | March 24, 2011, 02:05:04 PM |
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[PATCH] bitcoin scratch-off cards Development & Technical Discussion
If we are seriously considering putting this in the client, are there concrete p…
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n/a | Hal | March 23, 2011, 04:55:32 PM |
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How Does Stock Work Economics
The great majority of companies pay dividends, and that is what gives the stock…
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n/a | Hal | March 23, 2011, 03:30:14 PM |
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Black Swan on MTGOX Economics
The buy-low-sell-high game only works when the market is trading in a narrow ran…
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n/a | Hal | March 23, 2011, 03:18:12 PM |
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[RFD] All classes which use IMPLEMENT_SERIALIZE should check nVersion on reading Development & Technical Discussion
Specifically, what are you proposing? What nVersion value should they check, wha…
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n/a | Hal | March 23, 2011, 03:01:59 PM |
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NEW: Bitcoin Fractional Reserve Bank Off-topic
You laugh, but I predict that fractional reserve Bitcoin banks will exist. They'…
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n/a | Hal | March 22, 2011, 07:42:01 PM |
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Chase to end Debit Card Rewards Off-topic
At least is believable, unlike the ludicrous claim that they'd limit transaction…
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n/a | Hal | March 22, 2011, 07:38:41 PM |
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Forum Membership Levels Off-topic
Kiba you're always looking for ways to earn btc, you should sell your user name.…
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n/a | Hal | March 22, 2011, 07:35:08 PM |
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Bounty for Bitcoin Animated Movie [13622.05 BTC ($2520) and growing] Project Development
Nice job! Sent 25 btc as thanks to 17eSZivDJpuJp9TxezTXVxkgLbsr3XZM1i.
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n/a | Hal | March 22, 2011, 07:25:54 PM |
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[RFC] Finite transaction lifetime (aka "fill or kill") Bitcoin Discussion
From my understanding, it is in theory possible to "double spend" a transaction…
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n/a | Hal | March 22, 2011, 02:16:53 PM |
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Wallet import/export: bitkeys format Development & Technical Discussion
Simply by adding reserve keys (which are in fact harder to filter out when expor…
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n/a | Hal | March 21, 2011, 01:30:23 PM |
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Bitcoin == terrorism? Bitcoin Discussion
Here is the government press release on the Liberty Dollar case:http://charlotte…
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n/a | Hal | March 20, 2011, 01:52:34 PM |
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[PATCH] bitcoin scratch-off cards Development & Technical Discussion
The modification to repeatedly hash the 64 bit password is a good idea, and shou…
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n/a | Hal | March 19, 2011, 02:37:21 PM |
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[PATCH] bitcoin scratch-off cards Development & Technical Discussion
It's not safe to have only 64 bits of the private key be unknown. This can be br…
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n/a | Hal | March 18, 2011, 05:14:09 PM |
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Need help understanding a transaction case Development & Technical Discussion
One case to consider is when you have addresses A and B in your wallet but don't…
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n/a | Hal | March 18, 2011, 04:29:07 PM |
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Future Bitcoin security depends on price Bitcoin Discussion
We know that Bitcoin's resistance to attack is based on the cost for the attacke…
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n/a | Hal | March 18, 2011, 04:00:41 PM |
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Need help understanding a transaction case Development & Technical Discussion
QuoteEven that sounds too much... I mean, why can't you spend part of an output…
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n/a | Hal | March 17, 2011, 04:00:14 PM |
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[PATCH] bitcoin scratch-off cards Development & Technical Discussion
It's not safe to have only 64 bits of the private key be unknown. This can be br…
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n/a | Hal | March 17, 2011, 02:21:02 PM |
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Need help understanding a transaction case Development & Technical Discussion
It's an artifact of the coin choice algorithm, not an inherent property of trans…
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n/a | Hal | March 17, 2011, 12:25:20 AM |
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The first rule of Bitcoin is... Development & Technical Discussion
Follow the rules!I've put up a wiki page listing the rules used by the client to…
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n/a | Hal | March 16, 2011, 06:17:33 PM |
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BTC not permitted on eBay? Marketplace
You're conflating two issues: using bitcoins to buy things on eBay; and using eB…
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n/a | Hal | March 15, 2011, 12:36:31 PM |
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Wallet import/export: bitkeys format Development & Technical Discussion
I would focus on use cases.1. Back up all the keys in a wallet, and later restor…
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n/a | Hal | March 14, 2011, 02:53:48 PM |
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Bitcoin "From" address, can i change it? Development & Technical Discussion
Here's how I would approach this idea. The concept would be to function in max-a…
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n/a | Hal | March 12, 2011, 03:38:24 PM |
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Android Bitcoin Wallet Hardware wallets
There was quite a bounty for this at one timehttp://bitcointalk.org/index.php?to…
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n/a | Hal | March 11, 2011, 05:56:23 PM |
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Bandwith used by Bitcoin is almost irelevant right? Super low? Development & Technical Discussion
The block file is 90MB. So you'd have to do 11,000 initial block downloads.
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n/a | Hal | March 11, 2011, 02:58:55 PM |
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[REVIEW] Name lookup branch (bitcoind send [email protected] 99999) Development & Technical Discussion
This was on the development roadmap, http://bitcointalk.org/index.php?topic=4170…
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n/a | Hal | March 11, 2011, 02:54:36 PM |
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Bandwith used by Bitcoin is almost irelevant right? Super low? Development & Technical Discussion
Mining consumes very little bandwidth.Running a bitcoin P2P node consumes a noti…
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n/a | Hal | March 11, 2011, 02:37:31 PM |
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Mobile Bitcoin proposal (or light-weight transfers) Development & Technical Discussion
Would it be possible to host a whole VM in such a way that the hosting service e…
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n/a | Hal | March 11, 2011, 02:21:20 PM |
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Difficulty to remain constant for the next month Bitcoin Discussion
Newbie chodpaba has discovered a strong correlation between lagged btc price and…
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n/a | Hal | March 10, 2011, 01:48:05 PM |
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$/BTC—Difficulty Correlation Trading Discussion
Very nice analysis! Since the price has been at or near 1 for a month now, this…
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n/a | Hal | March 10, 2011, 01:39:10 PM |
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Incentives (and an idea) Bitcoin Discussion
Well, I can always pay you to work on my block, just like I can pay you to work…
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n/a | Hal | March 09, 2011, 10:30:16 PM |
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I solved 7 blocks yesterday Bitcoin Discussion
Well how do you know if youve successfully resolved a block ? Been mining for al…
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n/a | Hal | March 09, 2011, 04:39:55 PM |
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Is bit coin legal in the US? Bitcoin Discussion
Here is a rather exhaustive analysis of the legality of private currencies in th…
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n/a | Hal | March 09, 2011, 04:32:19 PM |
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