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Generate public key from 256 bit private key Development & Technical Discussion
Nitpick: In the case of RSA, a general number field sieve will do it. Although,…
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n/a | kjj | April 10, 2014, 08:16:53 PM |
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Can we talk about removing SSL from the payment protocol and put PGP? Bitcoin Discussion
That can easily be solved with a proof of burn or some soft of proof of stake.Ha…
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n/a | kjj | April 10, 2014, 11:42:31 AM |
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Can we talk about removing SSL from the payment protocol and put PGP? Bitcoin Discussion
How would they look up an attacker's key if you have it in a decentralized envir…
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n/a | kjj | April 10, 2014, 06:06:20 AM |
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Can we talk about removing SSL from the payment protocol and put PGP? Bitcoin Discussion
How would they look up an attacker's key if you have it in a decentralized envir…
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n/a | kjj | April 09, 2014, 10:58:41 PM |
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Can we talk about removing SSL from the payment protocol and put PGP? Bitcoin Discussion
Say I want to buy some hardware from bitcoinstore.com. I go to their website, p…
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n/a | kjj | April 09, 2014, 10:32:57 PM |
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Can we talk about removing SSL from the payment protocol and put PGP? Bitcoin Discussion
The real problem is that WoT is a lousy model for widespread use.Say I want to b…
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n/a | kjj | April 09, 2014, 03:26:46 PM |
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Can we talk about removing SSL from the payment protocol and put PGP? Bitcoin Discussion
If you write good patches to add PGP/WoT authentication, I suspect they would be…
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n/a | kjj | April 09, 2014, 08:02:28 AM |
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Generate public key from 256 bit private key Development & Technical Discussion
Unless something has changed in very recent versions of openssl, your options ar…
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n/a | kjj | April 09, 2014, 07:37:52 AM |
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Gold collapsing. Bitcoin UP. Speculation
Is there some other thread where this inane prattling about altcoins can go to? …
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n/a | kjj | April 09, 2014, 12:44:52 AM |
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Using SIGHASH_ANYONECANPAY Development & Technical Discussion
When doing SIGHASH_ALL, each input script other than the current one is set to 0…
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n/a | kjj | April 08, 2014, 12:38:06 PM |
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I am going to build a true random number generator ... Project Development
Looks like you are doing things right so far. Personally, I use a different tub…
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n/a | kjj | April 07, 2014, 08:33:36 PM |
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transfer funds out from a multisig address failed with code -22 Development & Technical Discussion
It isn't signed.Code:{ "hex" : "01000000039af55b1c4e611e44362bd3d514493b0a9fe…
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n/a | kjj | April 07, 2014, 01:23:54 PM |
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Inflation and Deflation of Price and Money Supply Economics
Awesome. Three contentless posts in a row from spammers padding their signature…
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n/a | kjj | April 07, 2014, 10:16:16 AM |
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please help me create a raw namecoin transaction Off-topic
I've never tried this with namecoin. It probably should work the same way, but…
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n/a | kjj | April 07, 2014, 04:49:09 AM |
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Is the long block confirmation time a problem? Development & Technical Discussion
If only there was some way to have a third party mediate certain transactions...…
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n/a | kjj | April 04, 2014, 08:14:03 AM |
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Proposal: Disallow Ads in Signatures Meta
FYI, this thread is hilarious when you ignore everyone with paid advertising in…
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n/a | kjj | April 03, 2014, 06:03:52 PM |
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Would miners ever want to generate "fake" transaction volume? Development & Technical Discussion
Under the current rules, no.There have been, however, many silly suggestions in…
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n/a | kjj | April 02, 2014, 02:34:08 PM |
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Output approach vs. account balance approach Development & Technical Discussion
Key reuse considered harmful.
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n/a | kjj | April 02, 2014, 02:30:59 PM |
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Technological unemployment is (almost) here Economics
Resource Based Economy is also a form of planned economy, but there are no "Cent…
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n/a | kjj | April 01, 2014, 10:57:58 PM |
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Technological unemployment is (almost) here Economics
Most of you people arguing about this frankly won't be alive to see any of this…
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n/a | kjj | April 01, 2014, 01:43:35 PM |
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How is BitCoins truly desentralized? Development & Technical Discussion
In the absence of the DNS seeds, you can simply ask someone for the address of a…
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n/a | kjj | March 31, 2014, 02:12:35 PM |
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Question about 'Height' certainty Development & Technical Discussion
Hashing process could be optimized by mining for blocks with only one constant c…
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n/a | kjj | March 31, 2014, 06:47:32 AM |
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looking for more info on hashing power(in Bitcoin network) Development & Technical Discussion
There is no simple relationship. See https://en.bitcoin.it/wiki/Mining_hardware…
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n/a | kjj | March 28, 2014, 06:59:29 AM |
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Technological unemployment is (almost) here Economics
Tech unemployment means that machines plus a minority of human workers can satur…
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n/a | kjj | March 28, 2014, 06:44:34 AM |
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What ensures that the mining node doesn't maliciously try to fork the network? Development & Technical Discussion |
n/a | kjj | March 27, 2014, 09:43:31 PM |
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bitcoin maximum fraction unit? there are something less than satoshi unit? Development & Technical Discussion
Is there any check in the transaction verification code that this value must be…
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n/a | kjj | March 27, 2014, 05:52:15 PM |
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bitcoin maximum fraction unit? there are something less than satoshi unit? Development & Technical Discussion
You've got the xxx on the wrong end. What we have is headroom.
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n/a | kjj | March 27, 2014, 01:47:43 PM |
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Why are private keys safe? Bitcoin Discussion
We've got a quantum computer store here called D-Wave. They've got quantum compu…
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n/a | kjj | March 27, 2014, 06:51:37 AM |
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New research proves: MtGox bitcoins NOT stolen using transaction malleability Bitcoin Discussion
http://arxiv.org/abs/1403.6676
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n/a | kjj | March 27, 2014, 06:40:20 AM |
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Question about 'Height' certainty Development & Technical Discussion
Blocks come in discrete lumps. You always know how many of them you have.
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n/a | kjj | March 27, 2014, 06:32:52 AM |
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New research proves: MtGox bitcoins NOT stolen using transaction malleability Bitcoin Discussion
http://arxiv.org/abs/1403.6676
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n/a | kjj | March 26, 2014, 10:17:49 PM |
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TX Only Valid Until X Block Development & Technical Discussion
yes i agree. just to clarify my position, what i was describing was a hack, sin…
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n/a | kjj | March 26, 2014, 07:11:32 PM |
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"high priority" tx (with fee), taking forever to confirm Development & Technical Discussion
Anyone-Can-Spend is normally done with an empty scriptPubKey, not OP_TRUE. 0x51…
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n/a | kjj | March 25, 2014, 10:56:08 PM |
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Is there a relatively painless way to get a transaction's input addresses? Development & Technical Discussion
Input address? What's that? I don't remember seeing that in the specs anywhere…
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n/a | kjj | March 25, 2014, 10:30:56 PM |
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bulk address creation Bitcoin Technical Support
Pick a random number, privkey0. Multiply G by privkey0, result is pubkey0.Now,…
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n/a | kjj | March 24, 2014, 12:18:20 PM |
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Do you use "account" for multi user systems? Development & Technical Discussion
Any time the question is "Accounts?" the answer is no.Not that accounts aren't u…
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n/a | kjj | March 24, 2014, 12:10:16 PM |
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Do you use "account" for multi user systems? Development & Technical Discussion
Any time the question is "Accounts?" the answer is no.Not that accounts aren't u…
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n/a | kjj | March 23, 2014, 11:17:24 PM |
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Is this 16-of-16 multisig tx redeemable under current bitcoin implementation? Development & Technical Discussion
Error messages from those services tend to suck badly.Speaking from experience,…
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n/a | kjj | March 23, 2014, 06:48:46 AM |
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Is the bitcoin foundation legit? Bitcoin Discussion
Beyond that, you'll have to explain what you mean by "legit". Anyone can create…
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n/a | kjj | March 22, 2014, 08:18:52 PM |
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How these BTC trading company manage their cold storage ? Development & Technical Discussion
Given the history of the exchanges, rather than their claims, I'm not sure that…
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n/a | kjj | March 22, 2014, 05:16:34 PM |
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Transaction Malleability Reloaded Development & Technical Discussion
Code: k = 908 #random k Well, whenever you sign a message/transaction/bl…
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n/a | kjj | March 22, 2014, 05:13:12 PM |
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Transaction Malleability Reloaded Development & Technical Discussion
Code: k = 908 #random k
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n/a | kjj | March 22, 2014, 03:27:52 PM |
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Proposal: Disallow Ads in Signatures Meta
This forum is in peril.Trolls and morons have already driven most of the develop…
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n/a | kjj | March 22, 2014, 08:49:03 AM |
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Can I send to an output that can only be spent to one of two addresses? Development & Technical Discussion
Not the way you are thinking, no. The script checker only looks at two things,…
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n/a | kjj | March 22, 2014, 08:12:17 AM |
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TX Only Valid Until X Block Development & Technical Discussion
Well, there is a business use case for knowing that if a transaction has not hap…
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n/a | kjj | March 20, 2014, 10:56:57 PM |
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totalReceived is inconsistent - help improve it Wallet software
In my opinion, this topic belongs in Alternative Clients, not here.
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n/a | kjj | March 20, 2014, 11:26:37 AM |
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TX Only Valid Until X Block Development & Technical Discussion
We've had some long reorgs during network events in the past which resulted in n…
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n/a | kjj | March 19, 2014, 08:12:01 PM |
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Feature request: Ignore list syndication and sharing New forum software
Sorta like the DNSBL systems for ignoring email spam.Simple text box in your pro…
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n/a | kjj | March 19, 2014, 02:04:08 PM |
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network hardening or other ways to prevent forks in a war scenario Development & Technical Discussion
Some are suggesting a mesh VHF network, but bandwidth on these frequencies, is t…
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n/a | kjj | March 19, 2014, 12:03:31 AM |
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Consistent Estimater of Transaction Times - Block Timestamp? Development & Technical Discussion
The closest that you can get meaningfully, is the timestamp of the block. The t…
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n/a | kjj | March 17, 2014, 03:50:41 PM |
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Consistent Estimater of Transaction Times - Block Timestamp? Development & Technical Discussion
I'm using blockchain.info's address history api function and I'm finding some bo…
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n/a | kjj | March 17, 2014, 03:02:42 PM |
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Backing up online wallet accounts Development & Technical Discussion
I don't understand this partQuoteBitcoin-Qt (and bitcoind) do not segregate the…
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n/a | kjj | March 14, 2014, 01:49:15 PM |
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anti-monopoly rules Development & Technical Discussion
Your reasons for wanting it are speculation and you seem to be operating under s…
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n/a | kjj | March 14, 2014, 01:44:48 PM |
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anti-monopoly rules Development & Technical Discussion
No.Though if it concerns you, you could create your own cryptocurrency that requ…
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n/a | kjj | March 14, 2014, 06:06:03 AM |
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Can coins be destroyed in a more 'polite' way? Development & Technical Discussion
Hi if that picture is true then can someone please she'd some light for example…
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n/a | kjj | March 14, 2014, 05:56:13 AM |
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Possible spambots "hey, i am fresh here" Meta
https://bitcointalk.org/index.php?action=profile;u=235717
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n/a | kjj | March 14, 2014, 05:49:53 AM |
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bitcoind - how "move" mechanism works Development & Technical Discussion
Stop. Accounts do not work the way you think they do. Odds are good that you a…
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n/a | kjj | March 13, 2014, 02:09:43 PM |
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Anyone know the structure of a mutli-sig address? Development & Technical Discussion
Make a couple of bogus privkeys, use bitcoind to generate the 2-of-2 address, an…
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n/a | kjj | March 13, 2014, 01:59:38 PM |
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Can coins be destroyed in a more 'polite' way? Development & Technical Discussion
Since we are all repeating what always is said in these threads, I'll add my 2 c…
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n/a | kjj | March 12, 2014, 02:29:40 PM |
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Can double-spending be prevented by design? Development & Technical Discussion
Account? Methinks you have some more books to be hitting.Also, this won't work.…
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n/a | kjj | March 12, 2014, 02:23:11 PM |
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Anyone know the structure of a mutli-sig address? Development & Technical Discussion
Order matters.Run out all 6 permutations to see if one matches. (I always sort…
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n/a | kjj | March 12, 2014, 08:53:29 AM |
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Why the end of signatures is 0x01 Development & Technical Discussion
It is a varint. For values between 0 and 253, a varint has a single byte repres…
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n/a | kjj | March 11, 2014, 06:50:17 AM |
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Why the end of signatures is 0x01 Development & Technical Discussion
Shit, you're right. I should have checked the source instead of my notes.
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n/a | kjj | March 11, 2014, 09:29:44 AM |
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Anyone know the structure of a mutli-sig address? Development & Technical Discussion
Order matters.Run out all 6 permutations to see if one matches. (I always sort…
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n/a | kjj | March 11, 2014, 06:58:48 AM |
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Why Using SSL's PKI For BIP 70 is a Big Mistake Development & Technical Discussion
They won't change it and won't understand/acknowledge why it matters and is wron…
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n/a | kjj | March 11, 2014, 06:43:03 AM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
The main issue is that in the event of a flaw which causes the network to fork y…
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n/a | kjj | March 10, 2014, 11:40:31 PM |
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Technological unemployment is (almost) here Economics
Eric Schmidt, the chairman of Google, today admitted that technologically-driven…
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n/a | kjj | March 07, 2014, 08:31:23 PM |
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The Three Encryption Methods Used by Bitcoin Bitcoin Discussion
This user is currently ignored.Sending me PMs won't get me to read your posts. …
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n/a | kjj | March 07, 2014, 12:27:14 AM |
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Let's add up the KNOWN lost bitcoins Bitcoin Discussion
Just a reminder, this is the thread for adding up the KNOWN lost bitcoins.
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n/a | kjj | March 07, 2014, 12:14:43 AM |
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The Three Encryption Methods Used by Bitcoin Bitcoin Discussion
I feel bad for those of you that don't yet have annoyment on your ignore list. …
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n/a | kjj | March 06, 2014, 09:45:26 PM |
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I'm disappointed in you Gavin Bitcoin Discussion
+1. Gavin, how dare you allow reporters to quote you out of context and misinte…
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n/a | kjj | March 06, 2014, 09:04:37 PM |
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Do you know the Bitcoin wallet code? [btc] 0.2 for 1 hour of your time Development & Technical Discussion
If you used the pull requests I linked, I hope you split the reward you offered…
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n/a | kjj | March 06, 2014, 01:58:20 PM |
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A rolling root to solve Bitcoin's scalability problem? Development & Technical Discussion
Quoteb) there is no such thing as "balances" at an address. Bitcoin works on th…
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n/a | kjj | March 06, 2014, 06:56:00 AM |
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When will nodes forward doublespends based on fee? Development & Technical Discussion
To sum up:The order of transactions is exactly the problem that bitcoin was inve…
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n/a | kjj | March 06, 2014, 01:03:26 AM |
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Need help for Reddcoin - 1 BTC bounty for solution Altcoin Discussion
If your code is similar to the reference client...CBlock contains a vector of CT…
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n/a | kjj | March 06, 2014, 12:06:32 AM |
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A rolling root to solve Bitcoin's scalability problem? Development & Technical Discussion
you've refused to do that basic research*.False.Saying "searching is hard" is no…
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n/a | kjj | March 05, 2014, 11:52:23 PM |
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A rolling root to solve Bitcoin's scalability problem? Development & Technical Discussion
You haven't really addressed _any_ of the objections here, because apparently yo…
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n/a | kjj | March 05, 2014, 11:12:58 PM |
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transactions & signatures in depth questions Development & Technical Discussion
Sticky up top.
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n/a | kjj | March 05, 2014, 10:06:11 PM |
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Do you know the Bitcoin wallet code? [btc] 0.2 for 1 hour of your time Development & Technical Discussion |
n/a | kjj | March 05, 2014, 09:52:14 PM |
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transactions & signatures in depth questions Development & Technical Discussion
The input of all transactions (with one exception) references a specific unspent…
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n/a | kjj | March 05, 2014, 09:46:14 PM |
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A rolling root to solve Bitcoin's scalability problem? Development & Technical Discussion
Quote1:31:31 PM sipa: sugarpuff: now, about dealing with ways to improve perform…
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n/a | kjj | March 05, 2014, 09:14:31 PM |
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Million dollar idea or noob question Development & Technical Discussion
Ugh. What exactly do you think bitcoin is doing?Your coins are "locked" to your…
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n/a | kjj | March 05, 2014, 12:28:09 AM |
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Bitcoin disk space scalability problem, is it really a problem? Development & Technical Discussion
If I "sent" you coins and you didn't have the block which contained the transact…
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n/a | kjj | March 05, 2014, 12:24:42 AM |
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Delayed transactions (using nTimeLock) Development & Technical Discussion
What's the current status on major mining pools accepting Lock_time transactions…
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n/a | kjj | March 03, 2014, 08:09:18 AM |
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How to send non-standard transaction? Development & Technical Discussion
3. Is it possible to disable checks in Bitcoin-Qt for non-standard transactions?…
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n/a | kjj | March 02, 2014, 11:10:24 AM |
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Gox stash recoverable by wallet update? Development & Technical Discussion
No, "fixing" this problem would kill bitcoin.If someone can create new coins out…
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n/a | kjj | March 02, 2014, 10:53:12 AM |
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How to send non-standard transaction? Development & Technical Discussion
Most nodes enforce rules that aren't in the protocol. The example getting the m…
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n/a | kjj | March 02, 2014, 10:46:08 AM |
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"In Bitcoin, public key are either compressed or uncompressed" Development & Technical Discussion
When you send, you are sending to a hash. You have no idea what it is the hash…
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n/a | kjj | March 01, 2014, 03:48:08 PM |
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"In Bitcoin, public key are either compressed or uncompressed" Development & Technical Discussion
Basically, it comes down to whether or not the person writing the key generator…
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n/a | kjj | March 01, 2014, 03:27:26 PM |
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wallet passphrase caracters scape Development & Technical Discussion
Code:./bitcoind walletpassphrasechange '[".%q!0,q696324/98j11233"]' ["a"]\nAlso,…
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n/a | kjj | March 01, 2014, 03:25:05 PM |
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"In Bitcoin, public key are either compressed or uncompressed" Development & Technical Discussion
Search is not quite so useless here that it wouldn't have answered your question…
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n/a | kjj | March 01, 2014, 03:10:57 PM |
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Why my own compiled wallets are so big in size? Development & Technical Discussion
It sounds like the strip utility you are running doesn't understand windows bina…
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n/a | kjj | March 01, 2014, 02:57:12 PM |
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Paper Wallets How Doth It Work? Development & Technical Discussion
A good understanding of bitcoin in general seems to be both a necessary and a su…
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n/a | kjj | March 01, 2014, 01:00:01 PM |
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why did bitcoin choose secp256k1 over secp256r1? Development & Technical Discussion
based on this site http://safecurves.cr.yp.to/ secp256r1 (P-256) is not safe, bu…
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n/a | kjj | February 28, 2014, 07:00:18 AM |
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Why my own compiled wallets are so big in size? Development & Technical Discussion
Are you sure you stripped the binary?
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n/a | kjj | February 28, 2014, 01:10:52 AM |
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Mt.Gox technical autopsy Development & Technical Discussion
Oh, right. I forgot about another confounding factor.Apparently gox's software…
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n/a | kjj | February 28, 2014, 01:07:53 AM |
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Mt.Gox technical autopsy Development & Technical Discussion
I would like to read more about this. AFAIU transaction malleability is still an…
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n/a | kjj | February 27, 2014, 07:23:24 AM |
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Mt.Gox technical autopsy Development & Technical Discussion
After browsing the threads about Mt.Gox and the malleability issue here are a co…
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n/a | kjj | February 26, 2014, 10:09:45 PM |
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output hash value to begin with 10 zeroes : average number of tries? Development & Technical Discussion
More directly, you can see that hex is base 16, so 1610 = 1,099,511,627,776
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n/a | kjj | February 26, 2014, 12:39:17 PM |
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Using a bitcoin as means for authentication Development & Technical Discussion
The address is to be saved and used as the key to the system right?how do I gene…
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n/a | kjj | February 26, 2014, 07:45:19 AM |
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