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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
BTW even instantiating 2^32 addresses is a significant task (2^32 HmacSHA512 + 2…
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n/a | grau | December 28, 2013, 05:24:26 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
I think it's impossible to enforce that addresses are used in sequence, consider…
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n/a | grau | December 28, 2013, 05:19:11 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
There is an other reason why the receiver has to provide a payment address with…
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n/a | grau | December 28, 2013, 01:58:20 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
The business would also have to re-tell the master public in case the customer d…
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n/a | grau | December 28, 2013, 01:29:12 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
otherwise it converges to a more complicated, but equivalent model of the busine…
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n/a | grau | December 28, 2013, 12:55:44 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
Since the last points I raised on-topic are important for a scaleable implementa…
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n/a | grau | December 28, 2013, 12:40:52 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
I get your point with the net accounting, but do not think that it has to be sol…
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n/a | grau | December 27, 2013, 11:54:50 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
I understand your concern and support any remedy to it to the extent it is feasi…
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n/a | grau | December 27, 2013, 06:16:08 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
You must be joking. I leave this as is as this is off topic here.Ok, now I'm rea…
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n/a | grau | December 27, 2013, 05:36:29 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
I agree that more than one transaction might be used to pay a bill, but do not s…
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n/a | grau | December 27, 2013, 05:23:51 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
Let me give you an example based on how companies actually do business in the re…
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n/a | grau | December 27, 2013, 03:56:18 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
If a payee does not pay a bill one month, there's absolutely no reason at all th…
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n/a | grau | December 27, 2013, 03:18:05 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
In other words, I could modify the spec to encode up to 4 passwords into the che…
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n/a | grau | December 27, 2013, 03:12:44 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
I think that the HD root is actually useless in absence of limiting assumption o…
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n/a | grau | December 27, 2013, 02:59:16 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
I think that the HD root is actually useless in absence of limiting assumption o…
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n/a | grau | December 27, 2013, 02:36:48 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
A HD root can generate 2^32-1 keys and any of these keys might be the root for a…
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n/a | grau | December 27, 2013, 02:16:54 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
Therefore I suggest to extend the proposal with a start key index (4 bytes) and…
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n/a | grau | December 27, 2013, 12:32:29 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
For plausible deniability it should be possible to mine an alternate password th…
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n/a | grau | December 27, 2013, 12:16:55 PM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
Created an implementation in Java that passes all test vectors:https://github.co…
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n/a | grau | December 27, 2013, 11:24:09 AM |
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Proposal: Base58 encoded HD Wallet root key with optional encryption Development & Technical Discussion
For plausible deniability it should be possible to mine an alternate password th…
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n/a | grau | December 27, 2013, 11:21:16 AM |
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friendlier addresses? Development & Technical Discussion
Business payments absolutely cannot use common addresses because if they do you…
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n/a | grau | December 24, 2013, 07:01:52 AM |
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Local Wallet with Online Blockchain. Is it possible? Development & Technical Discussion
Hi guysIts just a thought I had, is it possible to have a local wallet with an o…
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n/a | grau | December 23, 2013, 01:24:37 AM |
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friendlier addresses? Development & Technical Discussion
One would only re-use an address for the sake of easy audit-ability. Think e.g.…
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n/a | grau | December 21, 2013, 10:02:59 AM |
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Deterministic wallets Development & Technical Discussion
The point of HD Key Generation, that is BIP32, is to protect you against acciden…
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n/a | grau | December 20, 2013, 10:11:15 PM |
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Making insane fee non-standard Development & Technical Discussion
An outright rejection to protect people here feels like dangers are not addresse…
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n/a | grau | December 17, 2013, 12:31:21 PM |
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Making insane fee non-standard Development & Technical Discussion
I think this is a bad idea, and I pointed out that I thought it was a bad idea t…
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n/a | grau | December 17, 2013, 03:37:42 AM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
So this is the vault address?https://blockchain.info/de/address/3NaGPeYAZztGnyUj…
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n/a | grau | December 15, 2013, 04:53:04 AM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
Note that funds collected for the party and their spend is fully audit able thro…
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n/a | grau | December 13, 2013, 02:25:15 PM |
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ANN: Announcing code availability of the bitsofproof supernode Development & Technical Discussion
Uups, I removed the memdb context by accident. Sorry.Re-added now, fetch from gi…
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n/a | grau | December 13, 2013, 09:25:09 AM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
can one buy the paper wallet from a person he trusts ? Trust would have to be p…
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n/a | grau | December 13, 2013, 08:47:55 AM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
are tickets transferable/sellable? Say, I'm not sure if I want to go, but I buy…
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n/a | grau | December 13, 2013, 08:33:10 AM |
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users afected by bips.me hacking Beginners & Help
I would question in your case if you ever received (owned) the Bitcoins you boug…
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n/a | grau | December 12, 2013, 04:52:23 PM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
Any bitcoins lost from malformed addresses? Or was it just preventing you from c…
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n/a | grau | December 12, 2013, 03:52:12 PM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
The technical issue has ben found and resolved. Thanks to lianj and gmaxwell for…
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n/a | grau | December 12, 2013, 04:07:21 AM |
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why is this nonstandard Development & Technical Discussion
The signature is invalid, but because I do not seem to compute the right hash to…
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n/a | grau | December 10, 2013, 11:18:03 AM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
I apologize for the ticket sale delay. The reason is a yet unknown reason the re…
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n/a | grau | December 10, 2013, 05:59:13 AM |
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why is this nonstandard Development & Technical Discussion
Here is a more simple example, that is now considered standard, but invalid in s…
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n/a | grau | December 09, 2013, 07:50:20 AM |
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why is this nonstandard Development & Technical Discussion
Yes, the inputs are P2SH and one output is also P2SH.The reason it was not consi…
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n/a | grau | December 09, 2013, 07:46:17 AM |
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why is this nonstandard Development & Technical Discussion
Anybody could give me a hint why satoshi says the below transaction would be:ERR…
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n/a | grau | December 09, 2013, 05:23:24 AM |
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research and development grants? Development & Technical Discussion
Alt coins contract research and development while Bitcoin still builds on volunt…
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n/a | grau | December 09, 2013, 12:59:31 AM |
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ANN: Announcing code availability of the bitsofproof supernode Development & Technical Discussion
Added BIP39 support, that passes Trezor's test vectors.https://github.com/bitso…
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n/a | grau | December 08, 2013, 04:43:28 PM |
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announcement: the international "when-bitcoin-reaches 1000,- $ party" Meetups
As you may heard that Bits of Proof will provide the ticket technology for this…
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n/a | grau | December 02, 2013, 01:44:15 PM |
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$10,000 Bet that Bitcoins will outperform Gold, Silver by 100X !!! Bitcoin Discussion
You are great Roger. Did everything right, again. Thank you.
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n/a | grau | November 30, 2013, 03:59:39 PM |
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Game Idea - Basically a Cryptocoin filled version of Ingress Project Development
I'd be surprised if Bitcoin would not soon become the medium of transport for in…
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n/a | grau | November 27, 2013, 04:56:47 PM |
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BIP38 code in Java available Development & Technical Discussion
Thanks for updating the link, yes it moved.
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n/a | grau | November 27, 2013, 06:57:52 AM |
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SIGHASH_WITHINPUTVALUE: Super-lightweight HW wallets and offline data Development & Technical Discussion
The script subsystem only requires the tx you are signing.Not really. To create…
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n/a | grau | November 22, 2013, 07:31:59 AM |
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SIGHASH_WITHINPUTVALUE: Super-lightweight HW wallets and offline data Development & Technical Discussion
The problem is not that it might sign an invalid transaction but that it signs a…
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n/a | grau | November 22, 2013, 07:08:50 AM |
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SIGHASH_WITHINPUTVALUE: Super-lightweight HW wallets and offline data Development & Technical Discussion
Sorry but I don't think this is worth hard forking Bitcoin over. For validating…
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n/a | grau | November 21, 2013, 11:12:49 AM |
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SIGHASH_WITHINPUTVALUE: Super-lightweight HW wallets and offline data Development & Technical Discussion
For reference, I specifically recall retep talking to Gavin about it on IRC shor…
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n/a | grau | November 21, 2013, 10:25:40 AM |
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SIGHASH_WITHINPUTVALUE: Super-lightweight HW wallets and offline data Development & Technical Discussion
The consensus seems to be that no one thinks it's worth doing this. I still thi…
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n/a | grau | November 20, 2013, 02:15:26 AM |
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Identity assertions with Bitcoin instead of CA in Payment Protocol? Development & Technical Discussion
https://eprint.iacr.org/2013/622.pdfThe authors of the paper claim in the abstra…
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n/a | grau | November 04, 2013, 02:58:45 AM |
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Incremental chain download using SPV proofs? Development & Technical Discussion
It would be useful for applications that care of the origin e.g. colored coins.
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n/a | grau | November 02, 2013, 12:32:47 PM |
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Incremental chain download using SPV proofs? Development & Technical Discussion
What do you think of a protocol extension for SPV style chain download of the su…
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n/a | grau | November 02, 2013, 12:21:48 PM |
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O(2^80) theoretical attack on P2SH Development & Technical Discussion
I see, I missed that this works if the attacker can choose the original script.
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n/a | grau | November 02, 2013, 11:44:45 AM |
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O(2^80) theoretical attack on P2SH Development & Technical Discussion
That can be done in work O(2^80) (and massive storage), or various time memory…
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n/a | grau | November 02, 2013, 11:02:56 AM |
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Transactions with only one possible next address? Development & Technical Discussion
nlocktime is usable and could be utilized to create an offsetting transaction in…
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n/a | grau | November 02, 2013, 10:10:30 AM |
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O(2^80) theoretical attack on P2SH Development & Technical Discussion
That can be done in work O(2^80) (and massive storage), or various time memory…
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n/a | grau | November 02, 2013, 10:04:17 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
If you've gone all the way to implement a bitcoin client, which is an impressive…
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n/a | grau | October 25, 2013, 07:09:47 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
It makes sense to roll this into the Bitcoin-QT client (in fact, it would be tot…
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n/a | grau | October 25, 2013, 02:43:00 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
I wish for a proof of concept implementation of the payment protocol that is a s…
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n/a | grau | October 25, 2013, 02:23:56 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
1) There's no telling if that QR code or link isn't modified en route to your co…
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n/a | grau | October 25, 2013, 01:17:33 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
While I assume that you integrate these protocols with extreme care, they are ha…
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n/a | grau | October 24, 2013, 04:33:45 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Where do you think Gavin's salary comes from?There is a strong business case, he…
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n/a | grau | October 24, 2013, 07:22:55 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Most of the devs I know have a habit: They must do something every day Payment…
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n/a | grau | October 24, 2013, 03:00:36 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Most of the devs I know have a habit: They must do something every day Payment…
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n/a | grau | October 23, 2013, 03:03:26 PM |
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How to frustrate a miner. Development & Technical Discussion
The attack works by bribing miner to orphan certain blocks, it is not A against…
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n/a | grau | October 18, 2013, 12:47:59 AM |
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How to frustrate a miner. Development & Technical Discussion
Anyone-Can-Spend outputs may look like an ordinary transaction, just use the add…
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n/a | grau | October 17, 2013, 09:03:36 AM |
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How to frustrate a miner. Development & Technical Discussion
Anyone-Can-Spend outputs may look like an ordinary transaction, just use the add…
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n/a | grau | October 17, 2013, 09:01:44 AM |
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How to frustrate a miner. Development & Technical Discussion
Anyone-Can-Spend outputs seem to be the issue. Isn't that output's only intentio…
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n/a | grau | October 17, 2013, 08:21:56 AM |
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How to frustrate a miner. Development & Technical Discussion
The attack needs to be launched successfully only a couple times and other miner…
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n/a | grau | October 17, 2013, 07:58:13 AM |
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How to frustrate a miner. Development & Technical Discussion
How is this different than adding a big fee to a transaction?A big fee could be…
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n/a | grau | October 17, 2013, 07:24:33 AM |
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Feather-forks: enforcing a blacklist with sub-50% hash power Development & Technical Discussion
I suppose if the attacker was high enough profile with deep enough pockets, they…
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n/a | grau | October 17, 2013, 06:18:17 AM |
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How to frustrate a miner. Development & Technical Discussion
That is a great way to get rid of your Bitcoins I don't think many people could…
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n/a | grau | October 17, 2013, 05:57:24 AM |
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How to frustrate a miner. Development & Technical Discussion
Yes, the attack does cost money, but less than the damage it would make to the b…
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n/a | grau | October 17, 2013, 05:49:47 AM |
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How to frustrate a miner. Development & Technical Discussion
I developed the following attack while discussing https://bitcointalk.org/index.…
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n/a | grau | October 17, 2013, 05:36:29 AM |
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Feather-forks: enforcing a blacklist with sub-50% hash power Development & Technical Discussion
Actually one does not even have to be a miner to launch this attack:The attacker…
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n/a | grau | October 17, 2013, 05:02:00 AM |
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Feather-forks: enforcing a blacklist with sub-50% hash power Development & Technical Discussion
Actually one does not even have to be a miner to launch this attack:The attacker…
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n/a | grau | October 17, 2013, 03:53:37 AM |
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Feather-forks: enforcing a blacklist with sub-50% hash power Development & Technical Discussion
Assume a miner dislikes something in the highest block, and is willing to spend…
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n/a | grau | October 17, 2013, 03:27:53 AM |
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Feather-forks: enforcing a blacklist with sub-50% hash power Development & Technical Discussion
It seems to me that mining on the trunk could be even brought to a temporary hal…
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n/a | grau | October 17, 2013, 02:47:59 AM |
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Feather-forks: enforcing a blacklist with sub-50% hash power Development & Technical Discussion
Assume a miner dislikes something in the highest block, and is willing to spend…
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n/a | grau | October 17, 2013, 01:02:34 AM |
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[PREORDER] Trezor: Bitcoin hardware wallet Hardware wallets
Can Trezor potentially be used like this?:User registers with a Bitcoin address(…
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n/a | grau | October 15, 2013, 01:49:30 PM |
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Bitcoin Jokes Bitcoin Discussion
http://imgur.com/OoSyuKB
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n/a | grau | October 13, 2013, 02:21:42 PM |
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When is Bitcoin's birthday ? Bitcoin Discussion
So I will be making a cake for it's birthday! 3 january uh? I will be ready for…
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n/a | grau | October 13, 2013, 11:25:13 AM |
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Video mashup to create the best Bitcoin commercial from this.... Project Development
The video https://www.youtube.com/watch?feature=player_embedded&v=oQ1zfn74VoQwou…
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n/a | grau | October 13, 2013, 04:32:56 AM |
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Let's bring some centralisation Wallet software
It's bullshit FUD. I wouldn't listen to any of that claptrap. Bitcoin will never…
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n/a | grau | October 12, 2013, 04:32:55 AM |
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German Ministry of Finance: Bitcoin IS A PAYMENT Legal
Awesome, Germany is always at the forefront of accepting btc Simple. Germans ar…
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n/a | grau | October 12, 2013, 03:52:17 AM |
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Why are some international payment companies not allowing Americans to join? Bitcoin Discussion
Doing Financial Services for US citizens means having to comply with various US…
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n/a | grau | October 12, 2013, 03:48:15 AM |
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German Ministry of Finance: Bitcoin IS A PAYMENT Legal
Clearing of claims with Bitcoin is a payment, not a delivery of a digital good,…
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n/a | grau | October 12, 2013, 03:31:01 AM |
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When is Bitcoin's birthday ? Bitcoin Discussion
The genesis block (that is block 0 not 1) is hardcoded in the code with the time…
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n/a | grau | October 11, 2013, 02:58:10 PM |
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Bitcoin-like implementation of Ripple Bitcoin Discussion
I think of Bitcoin as ultimate digital settlement, like gold over IP.Bitcoin tra…
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n/a | grau | October 10, 2013, 05:58:44 AM |
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Bitcoin-like implementation of Ripple Bitcoin Discussion
Ripple advantages: * Instant Transactions * No hashing / mining * No block chain…
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n/a | grau | October 10, 2013, 04:33:08 AM |
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Arbitrage Opportunity? Tell me why this may be wrong. Trading Discussion
The arbitrage between Mt.Gox and Bitstamp is so obvious and tempting...Of course…
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n/a | grau | October 10, 2013, 04:08:29 AM |
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strip the reference client to a border router Development & Technical Discussion
This sounds promising Jeff. One could think we face similar challenges A chance…
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n/a | grau | October 07, 2013, 03:29:50 PM |
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strip the reference client to a border router Development & Technical Discussion
The Satoshi client does have a kind of internal API, if you look at how the wall…
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n/a | grau | October 07, 2013, 02:35:16 PM |
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strip the reference client to a border router Development & Technical Discussion
https://github.com/jgarzik/pynode this is kinda what you are talking about, this…
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n/a | grau | October 07, 2013, 12:47:42 PM |
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strip the reference client to a border router Development & Technical Discussion
If Gavin was interested in (/thought his time was best spent on) those other thi…
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n/a | grau | October 07, 2013, 12:43:24 PM |
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Bitcoin as Lottery, Prospect Theory, and Unprofitable Mining Bitcoin Discussion
I can't really justify my speculations on *why* people actually mine now. I thin…
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n/a | grau | October 07, 2013, 03:41:53 AM |
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strip the reference client to a border router Development & Technical Discussion
The goal is to 1. better support for feature development without touching or r…
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n/a | grau | October 07, 2013, 02:32:30 AM |
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strip the reference client to a border router Development & Technical Discussion
Would you welcome a fork of satoshi aimed to strip it of all but the consensus a…
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n/a | grau | October 07, 2013, 01:24:37 AM |
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ANN: Announcing code availability of the bitsofproof supernode Development & Technical Discussion
You were "lucky" to hit the maintenance window our hosting provider announced an…
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n/a | grau | October 02, 2013, 11:51:53 AM |
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