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Loss of bitcoins from h/w wallet Bitcoin Technical Support
Thanks for the help everyone. At this point, all indications point towards an in…
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n/a | hhanh00 | August 11, 2018, 08:45:22 PM |
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Loss of bitcoins from h/w wallet Bitcoin Technical Support
Sorry for posting in here but it is somehow technical too. I put it on the main…
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n/a | hhanh00 | August 11, 2018, 04:12:50 AM |
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Loss of bitcoins from h/w wallet - need help understanding Hardware wallets
A friend of mine recently got his trezor wallet cleaned out and we are trying to…
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n/a | hhanh00 | August 11, 2018, 12:18:17 AM |
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Mass Private Key to Bitcoin Address Converter Development & Technical Discussion
Somewhat shorterCode:from bitcoin import *with open("privkeys.txt") as f: for li…
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n/a | hhanh00 | August 10, 2016, 08:38:19 AM |
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How does "getheaders" to work? Development & Technical Discussion
During handshake, both parties send their version message. They can cross since…
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n/a | hhanh00 | August 07, 2016, 09:04:48 AM |
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For the super paranoid: How do I get the public key from a private key by hand? Development & Technical Discussion
It's faster in wNAF and using Jacobian coordinates rather than Cartesian. Still…
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n/a | hhanh00 | July 18, 2016, 05:31:53 AM |
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Question about Lightning Network Development & Technical Discussion
I watched the video on lightning.network and have a question about a transaction…
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n/a | hhanh00 | July 15, 2016, 11:23:14 PM |
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Derive symmetric keys Development & Technical Discussion
Is there some means by which I could derive symmetric keys using bitcoin public…
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n/a | hhanh00 | June 21, 2016, 05:52:14 PM |
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CoinShuffle++, a fast peer-to-peer coin mixing protocol Development & Technical Discussion
1.sid that gets passed to RUN comes from Code:Run(P, my, VK[ ], sk, sid', 0)wher…
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n/a | hhanh00 | June 14, 2016, 04:37:10 AM |
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CoinShuffle++, a fast peer-to-peer coin mixing protocol Development & Technical Discussion
In step KE,sidH = H((sid, sid, P ∪ {my}, NPK[ ], run))How is NPK[] determined pr…
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n/a | hhanh00 | June 12, 2016, 02:54:07 PM |
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BIP32 with string indexes Development & Technical Discussion
It should be ok but bear in mind that there is no way to know which path you hav…
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n/a | hhanh00 | May 20, 2016, 09:14:15 AM |
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What is the probability of a bitcoin address starting with "11..." ? Development & Technical Discussion
1/58about 1.7%That can't be this simple since 100% of the p2kh addresses begin w…
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n/a | hhanh00 | May 15, 2016, 04:42:58 AM |
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What is the probability of a bitcoin address starting with "11..." ? Development & Technical Discussion
The first 1 comes from the address version and is always there for a normal bitc…
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n/a | hhanh00 | May 14, 2016, 09:38:28 PM |
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Memory is cheap - Bitcoin Discussion
QuoteSomehow we worry about going to 2MB/block for fear of 'bloat'Yes ... becaus…
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n/a | hhanh00 | May 11, 2016, 03:30:46 AM |
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Put some Respeck On Craig Wright's name Bitcoin Discussion
I see your point. Craig has done some work on Bitcoin and deserves respect for t…
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n/a | hhanh00 | May 06, 2016, 10:07:46 PM |
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Put some Respeck On Craig Wright's name Bitcoin Discussion
It would take him a few seconds to sign a message with genesis key or one of the…
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n/a | hhanh00 | May 06, 2016, 11:37:26 AM |
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Hoaxtoshi aka Craig Wright busted - collection of quality research posts Bitcoin Discussion
Well you said - may be not in these exact terms because I don't have the thread…
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n/a | hhanh00 | May 05, 2016, 07:30:52 AM |
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Hoaxtoshi aka Craig Wright busted - collection of quality research posts Bitcoin Discussion
Well you said - may be not in these exact terms because I don't have the thread…
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n/a | hhanh00 | May 05, 2016, 06:55:07 AM |
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Hoaxtoshi aka Craig Wright busted - collection of quality research posts Bitcoin Discussion
Okay now we are starting to get some evidence that there might be a coordinated…
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n/a | hhanh00 | May 05, 2016, 06:41:20 AM |
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Can two signatures be identical? Development & Technical Discussion
Just to be clear, that's in addition to having the same message and private key,…
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n/a | hhanh00 | May 05, 2016, 03:57:35 AM |
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Can two signatures be identical? Development & Technical Discussion
Assuming we are talking about Bitcoin signatures and we are not using determinis…
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n/a | hhanh00 | May 04, 2016, 11:27:08 PM |
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If you can do {THIS} with files the size of 1Gb why not w/ files size of blockch Development & Technical Discussion
Because what he says is completely bogus.
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n/a | hhanh00 | April 26, 2016, 10:33:20 PM |
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SegWit and SPV-mining. What if...? Development & Technical Discussion
Do you really think that they would not be upgraded by then?
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n/a | hhanh00 | April 14, 2016, 05:18:08 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
No problem, you're welcome.
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n/a | hhanh00 | April 11, 2016, 09:27:03 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Ok. It's a bit tricky because the block file doesn't have the expected state of…
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n/a | hhanh00 | April 10, 2016, 07:53:10 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
The pastbins are truncated. Actually the first 100 blocks are not interesting. Y…
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n/a | hhanh00 | April 10, 2016, 05:25:28 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
It creates such a file every time your run it. That's why it takes a while to st…
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n/a | hhanh00 | April 10, 2016, 05:24:37 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
The tool uses an ugly hack to work around timing issues. Bitcoind processes comm…
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n/a | hhanh00 | April 10, 2016, 04:57:55 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
In that case, the node is supposed to return headers starting from the genesis b…
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n/a | hhanh00 | April 09, 2016, 09:40:09 PM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Code:Commiting block 0b1c05438c178aa1976b713a0b794d705f955b99236a2bcc9cd8609b68d…
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n/a | hhanh00 | April 09, 2016, 03:24:36 PM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Oops, you are right. I thought that was b2.How about:Code:Commiting block 0b1c05…
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n/a | hhanh00 | April 09, 2016, 02:39:35 PM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Actually, I think the problem comes from B3 (7cd3ee22eab70c6bc23fe7d43c19a797eb9…
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n/a | hhanh00 | April 09, 2016, 02:14:39 PM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Search for Error because the tool continues for a while after a failure. You go…
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n/a | hhanh00 | April 09, 2016, 01:12:36 PM |
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RIPEMD-160 progressive hashing? Off-topic
Does it? Extract from their doc:Code:Progressive Hashingvar sha256 = CryptoJS.al…
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n/a | hhanh00 | April 09, 2016, 07:29:57 AM |
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RIPEMD-160 progressive hashing? Off-topic
You can use crypto-js.
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n/a | hhanh00 | April 09, 2016, 06:27:25 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
No problem. A few things not covered by the scripts that could be worth checking…
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n/a | hhanh00 | April 09, 2016, 05:07:24 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Install a jdk, compile and run.
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n/a | hhanh00 | April 09, 2016, 04:16:14 AM |
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Help: Unserendipitous Multisig Transaction Bitcoin Technical Support
With 7 inputs, there is less than a chance in a 100 that it works by luck. You…
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n/a | hhanh00 | April 09, 2016, 04:02:55 AM |
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Help: Unserendipitous Multisig Transaction Bitcoin Technical Support
Use the verify tab and post here what you get.
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n/a | hhanh00 | April 09, 2016, 02:12:03 AM |
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Help: Unserendipitous Multisig Transaction Bitcoin Technical Support
If your transaction doesn't change when you re-sign, you will have modify it the…
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n/a | hhanh00 | April 09, 2016, 01:31:51 AM |
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Help: Unserendipitous Multisig Transaction Bitcoin Technical Support
Easiest way is to keep doing what you did. Every attempt has roughly a 50% chanc…
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n/a | hhanh00 | April 08, 2016, 11:03:57 PM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
These test scripts would have exposed all the problems you mentioned. They focus…
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n/a | hhanh00 | April 08, 2016, 09:51:05 PM |
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Help: Unserendipitous Multisig Transaction Bitcoin Technical Support
Problem solved?
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n/a | hhanh00 | April 08, 2016, 09:41:36 PM |
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Help: Unserendipitous Multisig Transaction Bitcoin Technical Support
First of all, entering your private key in a website is a bad idea (ms-brainwall…
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n/a | hhanh00 | April 08, 2016, 06:57:51 PM |
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protocol vulnerability? Development & Technical Discussion
If you had read the paragraph after the picture, you would have known that there…
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n/a | hhanh00 | April 08, 2016, 09:16:55 AM |
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Gocoin - totally different bitcoin client with deterministic cold wallet Wallet software
Hi, out of curiosity, did you check your node against the bitcoin regression tes…
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n/a | hhanh00 | April 08, 2016, 07:44:58 AM |
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Segwit details? segwit wastes precious blockchain space permanently Development & Technical Discussion
Segwit is not about saving space for plain full noes, the space is already saved…
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n/a | hhanh00 | March 16, 2016, 07:42:53 PM |
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An optimal engine for UTXO db Development & Technical Discussion
To answer the OP, it is difficult to decide what makes an optimal engine for the…
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n/a | hhanh00 | March 13, 2016, 01:05:26 AM |
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LevelDB reliability? Development & Technical Discussion
LevelDB being stupid is one of the major reasons that people have to reindex on…
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n/a | hhanh00 | March 11, 2016, 09:30:27 PM |
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LevelDB reliability? Development & Technical Discussion
LevelDB being stupid is one of the major reasons that people have to reindex on…
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n/a | hhanh00 | March 11, 2016, 05:58:31 AM |
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Luke Jr's HARDFORK proposal debunked Development & Technical Discussion
I think the calculations are slightly incorrect though.1. The probability of rol…
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n/a | hhanh00 | March 09, 2016, 04:27:38 AM |
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SIGHASH precedence for multisig? Development & Technical Discussion
But actually, the sig not validating still doesnt mean the vin is always invalid…
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n/a | hhanh00 | March 02, 2016, 07:52:22 PM |
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Question: SegWit Second Merkel Tree? Development & Technical Discussion
Technically speaking, the witness data is not in the blockchain. If the witness…
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n/a | hhanh00 | January 22, 2016, 10:35:17 PM |
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Announcing BlockCypher's Transaction API: create&manage bitcoin transactions Development & Technical Discussion
If you look closer, you will see that the `sign` method is running on the client…
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n/a | hhanh00 | January 17, 2016, 02:44:49 AM |
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Why can't I use a negative value for OP_CHECKLOCKTIMEVERIFY Development & Technical Discussion
The problem with adding the zero byte is that there is another check when pushin…
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n/a | hhanh00 | January 04, 2016, 09:43:54 AM |
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Timestamping on the Bitcoin Blockchain: limits Development & Technical Discussion
They don't need to publish all the hashes to the blockchain. They can keep them…
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n/a | hhanh00 | December 10, 2015, 03:40:23 AM |
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Keeping the addresses generated from deterministic wallet PubKey seed secret. Development & Technical Discussion
You don't need hardened keys for this scenario. If you only publish the addresse…
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n/a | hhanh00 | December 09, 2015, 08:59:04 AM |
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Keeping the addresses generated from deterministic wallet PubKey seed secret. Development & Technical Discussion
You don't need hardened keys for this scenario. If you only publish the addresse…
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n/a | hhanh00 | December 09, 2015, 01:40:14 AM |
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Node.js decrypt file and verify gpg file Services
You may want to take a look at a pure javascript implementation of open pgp, the…
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n/a | hhanh00 | December 08, 2015, 05:25:29 AM |
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script_invalid.json and MINIMALDATA test vectors Development & Technical Discussion
They pass because the test driver sends the minimaldata flag. It's the last fiel…
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n/a | hhanh00 | November 08, 2015, 08:39:49 PM |
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script_invalid.json and MINIMALDATA test vectors Development & Technical Discussion
You can represent these numbers with single op_codesCode:["0x01 0x81"] = ["0x4f"…
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n/a | hhanh00 | November 07, 2015, 03:09:14 PM |
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bitcoin core RPC compatible lite wallet proxy? Development & Technical Discussion
It would help if you give performance requirements.- number of addresses- number…
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n/a | hhanh00 | November 02, 2015, 06:05:50 AM |
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Dust threshold changed without any mention in 0.11.1 Development & Technical Discussion
As long as the overhead isn't too big, I personally don't mind. But I don't agre…
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n/a | hhanh00 | November 01, 2015, 05:09:56 AM |
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Bitcoin-akka tutorial Wallet software
It's good to see developments in Bitcoin related clients... But why should I use…
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n/a | hhanh00 | October 31, 2015, 10:28:10 PM |
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Bitcoin-akka tutorial Wallet software
A step by step tutorial on building a full node implementation.As for the featur…
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n/a | hhanh00 | October 31, 2015, 02:50:05 AM |
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Building headless Bitcoin and Bitcoin-qt on Windows Development & Technical Discussion
Did you do the libpng step?Download and unpack http://download.sourceforge.net/l…
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n/a | hhanh00 | October 30, 2015, 10:27:21 AM |
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Dust threshold changed without any mention in 0.11.1 Development & Technical Discussion
The problem is that what one person sees as improvement (such as self enforcing…
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n/a | hhanh00 | October 28, 2015, 07:54:33 PM |
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Dust threshold changed without any mention in 0.11.1 Development & Technical Discussion
No. It is not the same. The moral authority which define abuse in your parking l…
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n/a | hhanh00 | October 26, 2015, 11:50:11 PM |
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What is most best way to agree on something if all actors are known? Services
Classic one is Paxos though Raft is easier to understand and proven to be as cor…
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n/a | hhanh00 | October 26, 2015, 08:13:40 PM |
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Dust threshold changed without any mention in 0.11.1 Development & Technical Discussion
There would be no point in fighting you about this. It's a loophole of the syste…
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n/a | hhanh00 | October 22, 2015, 05:08:48 AM |
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Dust threshold changed without any mention in 0.11.1 Development & Technical Discussion
I doubt we will see major modifications to Bitcoin, not because of a lack of int…
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n/a | hhanh00 | October 22, 2015, 04:14:23 AM |
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New transaction malleability attack wave? Another stresstest? Development & Technical Discussion
This is a fine thing to do (though it requires first getting the amount of non-c…
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n/a | hhanh00 | October 06, 2015, 06:40:30 AM |
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Why build on the longest chain? Development & Technical Discussion
The reason I said Slush has lower odds is because while they work to find their…
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n/a | hhanh00 | September 08, 2015, 07:42:53 AM |
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Why build on the longest chain? Development & Technical Discussion
Because you said that Slush thought Antpool was greedy. That means they started…
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n/a | hhanh00 | September 08, 2015, 06:41:41 AM |
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Why build on the longest chain? Development & Technical Discussion
Sorry but why is Slush smarter? Its profit is 30 BTC with lower odds than if it…
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n/a | hhanh00 | September 08, 2015, 04:49:40 AM |
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Handling reorgs in bitcoin node Development & Technical Discussion
Thanks for taking the time to help but my question is not about "what" it should…
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n/a | hhanh00 | September 07, 2015, 09:55:37 PM |
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Handling reorgs in bitcoin node Development & Technical Discussion
Let's say a node is synced up to block #100 and receives a chain from #90 to #10…
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n/a | hhanh00 | September 07, 2015, 09:24:03 PM |
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Handling reorgs in bitcoin node Development & Technical Discussion
Let's say a node is synced up to block #100 and receives a chain from #90 to #10…
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n/a | hhanh00 | September 07, 2015, 09:14:36 PM |
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Hashing code explanation? Altcoin Discussion
Hash(pbegin, pend) computes the hash between [pbegin, pend) and returns the valu…
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n/a | hhanh00 | August 30, 2015, 09:39:39 AM |
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Hashing code explanation? Altcoin Discussion
pbegin is a pointer to the beginning of the data, pend is a pointer to the eleme…
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n/a | hhanh00 | August 28, 2015, 09:41:51 PM |
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Bitcoin QT is extremely difficult to get working, prohibitive to Bitcoin users Bitcoin Technical Support
^ Yet another person that looks down on anyone who isn't a tech expert. I was ju…
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n/a | hhanh00 | June 09, 2015, 08:00:53 PM |
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Bitcoin QT is extremely difficult to get working, prohibitive to Bitcoin users Bitcoin Technical Support
Quote2015-06-07 20:06:24 ERROR: AcceptBlockHeader : block is marked invalidThe l…
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n/a | hhanh00 | June 07, 2015, 08:07:11 PM |
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A scaled up spam experiment : #SpamTheBlockchain As A Service Development & Technical Discussion
@OPCould you explain what you are trying to show?I told in the post why I think…
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n/a | hhanh00 | June 02, 2015, 01:55:49 AM |
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A scaled up spam experiment : #SpamTheBlockchain As A Service Development & Technical Discussion
@OPCould you explain what you are trying to show?
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n/a | hhanh00 | June 01, 2015, 04:49:58 AM |
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Gavin Threatens to Quit Bitcoin Development and Join Hearn's Fork Bitcoin Discussion
Did you read what knightdk just said? It doesn't have "a central point of comman…
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n/a | hhanh00 | May 31, 2015, 09:23:39 PM |
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how to maximize block download speed on a single local node Development & Technical Discussion
No, generally speaking, everytimes I tried compiling bitcoind, I gave up after s…
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n/a | hhanh00 | May 15, 2015, 04:08:27 AM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
The NSA promotes bad crypto.They have done it again and again and again.If you w…
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n/a | hhanh00 | May 08, 2015, 08:09:22 PM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
So, what you think is, that the NSA promotes a code, that the rest of the world…
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n/a | hhanh00 | May 08, 2015, 11:27:50 AM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
b. hiding your crypto source code is OF COURSE making it stronger.Hmmm. I don't…
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n/a | hhanh00 | May 08, 2015, 05:36:41 AM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
First you have to think about the history of the NSA and what it is here for. Th…
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n/a | hhanh00 | May 08, 2015, 02:25:08 AM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
Ha ha, you want a peer reviewed article that basically says "since the NSA has p…
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n/a | hhanh00 | May 07, 2015, 11:14:36 PM |
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Has the NSA already broken bitcoin? Bitcoin Discussion |
n/a | hhanh00 | May 07, 2015, 06:49:53 PM |
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Chinese team released software to mine Satoshi's coin Bitcoin Discussion
We all know that Chinese aren't that far behind in terms of technology. In fact,…
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n/a | hhanh00 | May 06, 2015, 06:03:32 PM |
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pool diff Development & Technical Discussion |
n/a | hhanh00 | May 04, 2015, 11:09:37 PM |
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pool diff Development & Technical Discussion |
n/a | hhanh00 | May 04, 2015, 10:21:29 PM |
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NON EXISTANT BTC TRANSACTION Bitcoin Technical Support
That's messed up but SPV wallets can miss transactions if they happen to connect…
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n/a | hhanh00 | May 04, 2015, 09:46:49 AM |
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NON EXISTANT BTC TRANSACTION Bitcoin Technical Support
Hi,Made 2 withdrawals yesterday still have not gotten .0.0935btc BitC…
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n/a | hhanh00 | May 04, 2015, 09:35:13 AM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
No crypto is trusted whether it comes from the NSA or not. Let's say SHA-3 gets…
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n/a | hhanh00 | April 30, 2015, 11:06:34 AM |
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Has the NSA already broken bitcoin? Bitcoin Discussion
It boggles my mind how, after Snowden and all the other information that has com…
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n/a | hhanh00 | April 29, 2015, 03:03:12 AM |
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Question regarding transaction list in 1 block Development & Technical Discussion
Timestamps don't matter. The 1st transaction is the coinbase and it's ordered by…
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n/a | hhanh00 | April 29, 2015, 12:57:25 AM |
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