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How to host a website in bitcoin transaction? Project Development
There is a way to do this with bitcoin but it requires combination of two techno…
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n/a | Coding Enthusiast | May 28, 2019, 11:28:54 PM |
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How to find the missing word Bitcoin Technical Support
this will give you 180 valid seeds apparently: https://github.com/tnkmt/brute.bi…
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n/a | Coding Enthusiast | May 26, 2019, 06:58:59 AM |
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Looking for nested if scripts for testing Development & Technical Discussion
Something like this would be great:Code:IF [statements] IF [statements] E…
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n/a | Coding Enthusiast | May 25, 2019, 12:07:58 AM |
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Why Bitcoin Testnet Has Different Address Prefix? Development & Technical Discussion
To prevent TestNet addresses from being confused with MainNet addresses and prev…
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n/a | Coding Enthusiast | May 22, 2019, 09:20:03 AM |
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Proposed system to reduce Blockchain size Development & Technical Discussion
well if core developers inteoduced schnorr signatures you would save 25% space N…
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n/a | Coding Enthusiast | May 22, 2019, 08:17:42 AM |
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What type of programming language should I use to create a website like CMC? Project Development
- Fastest development time- Highly safe and secure / security - Scalability (thi…
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n/a | Coding Enthusiast | May 18, 2019, 08:46:02 AM |
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Proposed system to reduce Blockchain size Development & Technical Discussion
If the size of the blockchain is the only concern in this discussion then instea…
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n/a | Coding Enthusiast | May 17, 2019, 10:33:25 PM |
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Version message not getting a response Bitcoin Technical Support
Take a look at protocol versions and what they do here: https://bitcoin.org/en/d…
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n/a | Coding Enthusiast | May 11, 2019, 10:13:20 PM |
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Need mathematical proof for CH and MAJ functions in SHA256 Development & Technical Discussion
The SHA256 implementation that bitcoin-core is using has a different set of func…
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n/a | Coding Enthusiast | May 04, 2019, 01:41:18 AM |
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19 out of 24 words of BIP39 passphrase (brute-force last 5?) Hardware wallets
I dug up my old hacky script (find_missing_seed_word.py) that allows you to spec…
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n/a | Coding Enthusiast | April 29, 2019, 11:02:21 PM |
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Data routing for money, rather than payment routing for money. Development & Technical Discussion
Is there a way of delivering the data over a simple p2p network - in a decentral…
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n/a | Coding Enthusiast | April 29, 2019, 10:39:32 PM |
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How to create a Bech32 (bc1) address with PHP standalone? Development & Technical Discussion
Ok. So, what would be the Bech32 (bc1) address derived from the following?Privat…
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n/a | Coding Enthusiast | April 25, 2019, 02:16:00 PM |
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How to create a Bech32 (bc1) address with PHP standalone? Development & Technical Discussion
Can these addresses be derived from legacy private key? There is no such thing a…
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n/a | Coding Enthusiast | April 24, 2019, 10:14:24 PM |
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How are BIP173 test vectors "valid"? Development & Technical Discussion
Bech32 encoding is relaxed about padding, That is the part missing from the bip.…
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n/a | Coding Enthusiast | April 24, 2019, 11:12:05 AM |
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How are BIP173 test vectors "valid"? Development & Technical Discussion
There are 7 test vectors at the top of the list that are supposed to be "valid B…
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n/a | Coding Enthusiast | April 24, 2019, 08:40:57 AM |
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Is the "data" after OP_RETURN strictly a script? Development & Technical Discussion
to answer the third one, here are some links : https://bitcoin.stackexchange.com…
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n/a | Coding Enthusiast | April 09, 2019, 07:10:18 AM |
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Is the "data" after OP_RETURN strictly a script? Development & Technical Discussion
(1) I can't figure out whether the data in OP_RETURN can be an arbitrary data wi…
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n/a | Coding Enthusiast | April 09, 2019, 05:16:16 AM |
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[script] I'm confused about negative zero! Development & Technical Discussion
All these numbers we are pushing on the stack are integers (Int32 or Int64 where…
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n/a | Coding Enthusiast | April 02, 2019, 09:49:44 AM |
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Needs android: safe ish way of using gole electrum from your desktop Electrum
It isn't that hard either. I just never knew how scripts worked when I started t…
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n/a | Coding Enthusiast | April 01, 2019, 12:35:30 PM |
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Needs android: safe ish way of using gole electrum from your desktop Electrum
Funny thing is that I created my BitcoinTransactionTool project for the same rea…
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n/a | Coding Enthusiast | April 01, 2019, 08:18:59 AM |
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How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] Bitcoin Technical Support
How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] by Coding Enthusiast
This part is false.G is not exactly a "constant" and is not derived from the cur…
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n/a | Coding Enthusiast | April 01, 2019, 08:11:00 AM |
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How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] Bitcoin Technical Support
How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] by Coding Enthusiast
I have a question: since a legacy address corresponds to several SegWit addresse…
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n/a | Coding Enthusiast | March 29, 2019, 10:50:48 AM |
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What are the variable types of "sizes" inside signatures? Development & Technical Discussion
Both of those are OP_PUSHDATAs with size 72.In any script, if a length is specif…
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n/a | Coding Enthusiast | March 29, 2019, 10:17:51 AM |
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How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] Bitcoin Technical Support
How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] by Coding Enthusiast
I've added the files I mentioned above with a release which you don't have to us…
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n/a | Coding Enthusiast | March 29, 2019, 10:11:22 AM |
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How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] Bitcoin Technical Support
How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] by Coding Enthusiast
That would be a massive help! If you can code up something that links the two ad…
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n/a | Coding Enthusiast | March 29, 2019, 09:46:17 AM |
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How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] Bitcoin Technical Support
How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] by Coding Enthusiast
Thanks. So I'm trying to figure out how to do the first method, but I'm not sure…
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n/a | Coding Enthusiast | March 29, 2019, 08:57:45 AM |
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How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] Bitcoin Technical Support
How does one derive a SegWit address from a legacy address? [0.001 BTC Reward!] by Coding Enthusiast
how to link the 1XXX address to the 3XXX address without me having to retrieve t…
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n/a | Coding Enthusiast | March 29, 2019, 08:35:25 AM |
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How does one derive a SegWit address from a legacy address? Bitcoin Technical Support
Just curious, is there any documentation as to how you just did that?Standards f…
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n/a | Coding Enthusiast | March 29, 2019, 08:00:07 AM |
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How does one derive a SegWit address from a legacy address? Bitcoin Technical Support
Thank you, this is the closest thing to the answer I'm looking for in the thread…
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n/a | Coding Enthusiast | March 29, 2019, 07:31:36 AM |
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How does one derive a SegWit address from a legacy address? Bitcoin Technical Support
G = Constant from the elliptic curveThe constant G is derived from Elliptic Curv…
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n/a | Coding Enthusiast | March 29, 2019, 06:58:33 AM |
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What are the variable types of "sizes" inside signatures? Development & Technical Discussion
Here are two transactions I've made as a reference (TestNet):P2SH: 7c1819fe9b52a…
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n/a | Coding Enthusiast | March 29, 2019, 04:59:22 AM |
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generate 1 Million Address Development & Technical Discussion
Bitcoin's current private key space is 2^256Keys are chosen based on the order o…
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n/a | Coding Enthusiast | March 27, 2019, 08:11:09 AM |
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[ASK] question About Bitcoin Development & Technical Discussion
5.Why Did Block 501726 Has Zero Block Reward?When a miner finds a new block they…
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n/a | Coding Enthusiast | March 25, 2019, 05:31:26 PM |
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I do not understand a part of the GETDATA message correctly. Development & Technical Discussion
I know two which are pretty much equal but sometimes have little differences:- T…
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n/a | Coding Enthusiast | March 23, 2019, 06:17:18 PM |
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I do not understand a part of the GETDATA message correctly. Development & Technical Discussion
Bitcoin has one of the best documentations but unfortunately it is not updated r…
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n/a | Coding Enthusiast | March 23, 2019, 05:53:06 PM |
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Is emtpy ScriptPubKey nonstandard or illegal? Development & Technical Discussion
EDIT : To answer the question in the title, "nonstandard or illegal ?", this is…
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n/a | Coding Enthusiast | March 23, 2019, 10:43:26 AM |
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Is emtpy ScriptPubKey nonstandard or illegal? Development & Technical Discussion
If illegal, since when?(If any readers are curious, here is an example: 8ec3e3dd…
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n/a | Coding Enthusiast | March 23, 2019, 01:29:47 AM |
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Lauda's Trust page is broken Meta
Maybe it is time to add page numbers to trust pages! It may even reduce the pres…
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n/a | Coding Enthusiast | March 22, 2019, 10:25:41 AM |
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Anybody attempted to generate a bitcoin address without an electronic device? Development & Technical Discussion
It is impossible to create a "bitcoin address" without a computer because it wil…
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n/a | Coding Enthusiast | March 16, 2019, 10:31:07 AM |
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Help - Bitcoin Stealer - Electrum4.0 Electrum
If you are fast and a little lucky you can stop this. But it will only work as l…
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n/a | Coding Enthusiast | March 14, 2019, 09:34:28 AM |
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What topics do you want to see here, and where should they be posted? Meta
Altcoin Development and Technical Discussions in general. Basically this board b…
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n/a | Coding Enthusiast | March 13, 2019, 11:07:46 PM |
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What don't you like in cryptocurrency libraries or think is lacking from them? Project Development
You misunderstood my question, I am not asking about disadvantages of using thes…
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n/a | Coding Enthusiast | March 12, 2019, 11:47:03 PM |
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What don't you like in cryptocurrency libraries or think is lacking from them? Project Development
Bump!Does lack of reply mean lack of interest in what I started here or does it…
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n/a | Coding Enthusiast | March 11, 2019, 11:43:45 PM |
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M set cryptography use for cryptocurrency Development & Technical Discussion
You are right, but it seems the M set alone can be used as both hashing and ECC…
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n/a | Coding Enthusiast | March 11, 2019, 11:42:33 PM |
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M set cryptography use for cryptocurrency Development & Technical Discussion
Your first line was very misleading because from what I understand from Mandelbr…
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n/a | Coding Enthusiast | March 01, 2019, 08:44:59 AM |
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What are the conditions for adding a new reference implementation to a BIP Development & Technical Discussion
@odolvloboThat is not what I was looking for, I am not planning on modifying the…
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n/a | Coding Enthusiast | March 11, 2019, 03:36:50 AM |
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Is there an app that allows you to create checksum adherent vanity addresses? Bitcoin Technical Support
I believe this is what you are looking for: https://gobittest.appspot.com/ProofO…
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n/a | Coding Enthusiast | March 09, 2019, 11:27:19 PM |
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What are the conditions for adding a new reference implementation to a BIP Development & Technical Discussion
Generally speaking what kind of conditions should an implementation meet to be a…
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n/a | Coding Enthusiast | March 09, 2019, 02:23:03 AM |
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Properties of Mycelium wallet [Seed recovery] Mycelium
Quotewith 14*195000000 possible seedsThis number still seems to be way bigger th…
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n/a | Coding Enthusiast | March 08, 2019, 11:12:19 PM |
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Controlling Lightning Wallet BTC Using Electrum Electrum
I had to dig deep into LightningPeach source code[1] to figure this out and plea…
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n/a | Coding Enthusiast | March 04, 2019, 07:35:07 AM |
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Should PGP keys be made mandatory for high ranks? Meta
This is a bitcoin forum, so it is guaranteed that (at least) every legendary mem…
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n/a | Coding Enthusiast | March 02, 2019, 11:05:15 PM |
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What is the expected throughput limit of Bitcoin now? Bitcoin Technical Support
legacy is about 4x bigger when it's compared with segwit transaction using weigh…
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n/a | Coding Enthusiast | March 01, 2019, 11:05:52 PM |
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What is the expected throughput limit of Bitcoin now? Bitcoin Technical Support
The thing about TPS is that there is no "expected value", there is only a minimu…
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n/a | Coding Enthusiast | March 01, 2019, 11:27:23 AM |
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The profile page should be changed. No one uses ICQ, AIM, MSN or YIM. Meta
I’ve long thought there should be a spot for PGP fingerprint.PGP fingerprints ar…
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n/a | Coding Enthusiast | February 27, 2019, 06:31:02 AM |
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What don't you like in cryptocurrency libraries or think is lacking from them? Project Development
For the (nearly) past year I have been working on a library from scratch mostly…
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n/a | Coding Enthusiast | February 27, 2019, 03:13:44 AM |
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A couple of questions regarding Schnorr MuSig algorithm math notation Development & Technical Discussion
@darosiorI believe that it does not matter what you hash as long as you use the…
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n/a | Coding Enthusiast | February 21, 2019, 08:02:48 AM |
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A couple of questions regarding Schnorr MuSig algorithm math notation Development & Technical Discussion
BUMP!I still need help figuring out why I am getting false when trying to verify…
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n/a | Coding Enthusiast | February 21, 2019, 02:33:51 AM |
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Casascius python upgrade Development & Technical Discussion
a Python library here.why are you rounding N? That is not the correct value.I am…
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n/a | Coding Enthusiast | February 19, 2019, 12:22:58 AM |
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[Schnorr] Should batched verification result in reduced weight per sig? Development & Technical Discussion
BIP-schnorr defines a standardised 64kB size, smaller than the typical ECDSA sig…
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n/a | Coding Enthusiast | February 17, 2019, 11:16:24 PM |
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Why is there missing numbers among BIPs? Development & Technical Discussion
You absolutely shouldn't do that. The BIP process has virtually no editorial con…
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n/a | Coding Enthusiast | February 13, 2019, 08:34:38 AM |
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Why is there missing numbers among BIPs? Development & Technical Discussion
Recently I've started going through BIPs from #1 to implement whatever I've miss…
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n/a | Coding Enthusiast | February 13, 2019, 06:39:44 AM |
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secp256k1 parameters: when to use what as a modulus? Beginners & Help
Since nobody has answered you yet, I'll give it a try.Let me start by saying tha…
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n/a | Coding Enthusiast | February 08, 2019, 12:48:50 AM |
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about Brute-force missing private key in the end ! Altcoin Discussion
@arulbero thanks for the explanation but it seems like you made a small mistake…
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n/a | Coding Enthusiast | February 01, 2019, 10:31:54 AM |
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Output witness scripthash but input keyhash? Development & Technical Discussion
Previous outputs which this transaction is spending weren't "scripthash", they w…
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n/a | Coding Enthusiast | January 29, 2019, 09:15:34 AM |
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Var length integers Development & Technical Discussion
Do strings of numbers (like the public key) get represented in big or little edi…
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n/a | Coding Enthusiast | January 26, 2019, 01:17:33 PM |
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Var length integers Development & Technical Discussion
It is not padding, you are representing an x-byte integer in little endian order…
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n/a | Coding Enthusiast | January 26, 2019, 10:04:51 AM |
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Var length integers Development & Technical Discussion
That part is in serious need of at least 2 or 3 examples, I have had trouble und…
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n/a | Coding Enthusiast | January 26, 2019, 02:13:26 AM |
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A couple of questions regarding Schnorr MuSig algorithm math notation Development & Technical Discussion
don't just credit me on that workSorry for my laziness, copying from PDF is hard…
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n/a | Coding Enthusiast | January 19, 2019, 02:15:46 PM |
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A couple of questions regarding Schnorr MuSig algorithm math notation Development & Technical Discussion
Reading the "Simple Schnorr Multi-Signatures with Applications to Bitcoin" by Gr…
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n/a | Coding Enthusiast | January 18, 2019, 03:40:47 AM |
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Convert priv key to compressed public key Bitcoin Technical Support
change:public_key_x,public_key_y = public_key_u[1:66],public_key_u[66:130]topubl…
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n/a | Coding Enthusiast | January 18, 2019, 01:23:17 PM |
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Math problem regarding recovery seed Bitcoin Technical Support
I don't see how there are that many combinations unless he bruteforced every pos…
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n/a | Coding Enthusiast | January 07, 2019, 10:06:37 PM |
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What libraries for secp256k1 have been used for bitcoin in the past? Development & Technical Discussion
It's possible, but IMO it won't be easy to find. It's more likely we find exploi…
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n/a | Coding Enthusiast | January 07, 2019, 08:37:43 AM |
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Seeds segwit to standard? Electrum
(Edit: I was thinking in terms of BIP39 only, Electrum does it differently, read…
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n/a | Coding Enthusiast | January 05, 2019, 12:57:39 PM |
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spend P2SH output Development & Technical Discussion
I am not very good at scripts but I'll try.ripemd160(sha256(OP_2 OP_EQUAL)You ca…
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n/a | Coding Enthusiast | January 06, 2019, 01:27:54 PM |
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What libraries for secp256k1 have been used for bitcoin in the past? Development & Technical Discussion
It depends on which implementation of bitcoin you have in mind when you ask this…
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n/a | Coding Enthusiast | January 06, 2019, 08:57:04 AM |
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Math problem regarding recovery seed Bitcoin Technical Support
Code:namespace SeedCracker{ class Program { static void Main(string…
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n/a | Coding Enthusiast | January 05, 2019, 12:35:02 AM |
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10, 10 year old Bitcoins in 10 alternate universes! Development & Technical Discussion
Going to have to throw my hands up and admit I don't really understand these...…
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n/a | Coding Enthusiast | January 05, 2019, 04:21:28 AM |
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10, 10 year old Bitcoins in 10 alternate universes! Development & Technical Discussion
So would you say that once we have Schnorr signatures operative we would have th…
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n/a | Coding Enthusiast | January 05, 2019, 12:56:55 AM |
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10, 10 year old Bitcoins in 10 alternate universes! Development & Technical Discussion
Here is the transaction for btc192:Code:hex:01000000016d6ba7a66e3a3b4da23d291f9d…
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n/a | Coding Enthusiast | January 03, 2019, 12:55:21 AM |
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10, 10 year old Bitcoins in 10 alternate universes! Development & Technical Discussion
I have been learning more about bitcoin and programming at the same time all the…
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n/a | Coding Enthusiast | January 03, 2019, 12:55:05 AM |
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Decentralised bitcoin address book Development & Technical Discussion
I think my email is greater than 20 chars also.You can drop the extra stuff and…
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n/a | Coding Enthusiast | January 02, 2019, 09:12:55 AM |
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Decentralised bitcoin address book Development & Technical Discussion
First of all this is encouraging address reuse which should be avoided.Secondly…
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n/a | Coding Enthusiast | January 02, 2019, 03:37:06 AM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
I have no affiliation with Electrum developers! I can't understand why you are s…
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n/a | Coding Enthusiast | December 31, 2018, 11:30:40 PM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
Just out of curiosity what was the intended use for it in Electrum? AFAIK this i…
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n/a | Coding Enthusiast | December 30, 2018, 09:01:29 AM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
They will need to build a warning system or a popup notice into the wallet appli…
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n/a | Coding Enthusiast | December 29, 2018, 04:25:20 AM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
I emailed them about that and got no response.It took them about half a day to r…
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n/a | Coding Enthusiast | December 27, 2018, 11:05:16 PM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
Another reason for Full-Validation, Was only a matter of time before the the se…
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n/a | Coding Enthusiast | December 27, 2018, 11:16:10 AM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
Do you know if they think it was just the standalone client that is the issue or…
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n/a | Coding Enthusiast | December 27, 2018, 01:18:49 AM |
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There has been an increased number of "fake" electrums out there, be careful. Electrum
The real links are:https://github.com/spesmilo/electrum (the github repository h…
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n/a | Coding Enthusiast | December 27, 2018, 12:12:50 AM |
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Implement a simple wallet Development & Technical Discussion
I need to implement a simple wallet using bitcore-lib by node.js.Like manage pri…
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n/a | Coding Enthusiast | December 22, 2018, 11:24:18 AM |
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What is the first byte in message signature result? Development & Technical Discussion
Thanks a lot for the explanations.Quote from: https://bitcoin.stackexchange.com/…
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n/a | Coding Enthusiast | December 21, 2018, 12:53:04 AM |
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What is the first byte in message signature result? Development & Technical Discussion
OK, this is what I have understood so far. There are two methods to get the "rec…
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n/a | Coding Enthusiast | December 20, 2018, 06:33:48 AM |
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What is the first byte in message signature result? Development & Technical Discussion
That doesn't quite answer my question though. I understand that it is a "recover…
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n/a | Coding Enthusiast | December 19, 2018, 01:47:08 AM |
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What is the first byte in message signature result? Development & Technical Discussion
I can't find any documentation on how to sign a message, I get that there is no…
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n/a | Coding Enthusiast | December 19, 2018, 12:47:44 AM |
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[initial connection] Some questions at the start of designing a bitcoin client Bitcoin Technical Support
Don't forget to check out BIP14 for userAgents.By the way, how is your "code con…
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n/a | Coding Enthusiast | December 18, 2018, 11:51:41 AM |
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bitcoin multisig transaction (not able to sign) Development & Technical Discussion
Isn't there a way to use fake data to create a transaction?Use TestNet. https://…
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n/a | Coding Enthusiast | December 18, 2018, 11:25:07 AM |
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bitcoin multisig transaction (not able to sign) Development & Technical Discussion
When signing a transaction you need to have a valid previous output. So when you…
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n/a | Coding Enthusiast | December 18, 2018, 11:17:30 AM |
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Question about Bitcoin Digital signatures Development & Technical Discussion
Elliptic Curve Cryptography is just math, and in the mathematical operations you…
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n/a | Coding Enthusiast | December 16, 2018, 12:07:34 PM |
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Why use RFC6979 and is there any downsides? Development & Technical Discussion
I can not understand why RFC6979 is used for generating k while creating a signa…
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n/a | Coding Enthusiast | December 14, 2018, 07:06:49 AM |
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Is it possible to sign/create a transaction without specifying inputs? Development & Technical Discussion
Code:Allow this output to be spent to anyone,if: spent amount (including minin…
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n/a | Coding Enthusiast | December 14, 2018, 01:05:58 AM |
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