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Why would make the extra merkle commitment asicboost uneconomical? Development & Technical Discussion
Consider: today miners could use centralized devices to generate midstates, but…
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n/a | johoe | April 12, 2017, 04:38:20 PM |
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Why would make the extra merkle commitment asicboost uneconomical? Development & Technical Discussion
I know that it requires some extra hashes but if my math is correct we are talki…
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n/a | johoe | April 12, 2017, 04:57:47 AM |
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Asicboost: several questions. Development & Technical Discussion
1) Is asicboost a hardware or software optimisation?According to my current unde…
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n/a | johoe | April 08, 2017, 12:45:21 PM |
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Transaction malleability 2017 Development & Technical Discussion
BIP-62 was withdrawn. You may be confusing it with BIP-66, which didn't have lo…
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n/a | johoe | March 10, 2017, 05:27:29 PM |
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New Weak Signature Challenge Development & Technical Discussion
Is there a website that simplifies the process of computing the private key from…
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n/a | johoe | February 04, 2017, 05:43:24 PM |
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New Weak Signature Challenge Development & Technical Discussion
Looks like someone put a challenge for breaking weak signatures:https://blockcha…
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n/a | johoe | January 30, 2017, 07:05:10 AM |
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TREZOR: Technical issues Hardware wallets
b) when using hidden wallets, how is the passphrase generated within the device…
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n/a | johoe | January 07, 2017, 12:41:42 PM |
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Total Fees Development & Technical Discussion
Total Fees by johoe
@amaclin: your program fails for this block:https://blockchain.info/block/000000…
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n/a | johoe | January 02, 2017, 05:23:20 AM |
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Weird error, Trezor, Multibit, Low spendable balance detected. Please help. MultiBit
I think multibit has an option to reset the blockchain, or repair the wallet or…
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n/a | johoe | December 13, 2016, 07:10:49 PM |
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Double Spend? Or What happen? Development & Technical Discussion
2) I didn't include signatures because I do not have the private keys for these…
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n/a | johoe | December 13, 2016, 06:40:46 AM |
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Double Spend? Or What happen? Development & Technical Discussion
It's a standard SegWit P2WPKH over P2SH transaction. However, I guess amaclin d…
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n/a | johoe | December 13, 2016, 06:06:38 AM |
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Multisig transactions with private key "1" Bitcoin Discussion
Okay, amacllin noted these transactions already in August:https://bitcointalk.or…
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n/a | johoe | December 04, 2016, 09:38:17 AM |
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Post your SegWit questions here - open discussion - big week for Bitcoin! Development & Technical Discussion
While clearly many of the improvements result from signatures segregation, do al…
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n/a | johoe | December 03, 2016, 03:59:29 PM |
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Why LN needs SegWit? Development & Technical Discussion
Malleability affects pre-signed child transactions in chains of unconfirmed tran…
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n/a | johoe | December 03, 2016, 07:02:50 AM |
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Multisig transactions with private key "1" Bitcoin Discussion
I noticed that there are a lot of 2 of 3 multisig transactions where one key has…
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n/a | johoe | December 03, 2016, 06:42:58 AM |
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SegWit change addresses? Development & Technical Discussion
I think the idea so far is to add a segwit account to segwit enabled wallets. T…
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n/a | johoe | November 24, 2016, 11:38:18 AM |
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What's going on with the Testnet? Development & Technical Discussion
I also have problems with testnet. Some transactions I sent a few days ago stil…
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n/a | johoe | November 06, 2016, 08:48:50 AM |
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The Soft Fork Deception Development & Technical Discussion
Did you know that BIP-66 (which you mentioned) was an important security fix? B…
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n/a | johoe | October 28, 2016, 01:07:09 PM |
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Why is ECDSA needed at all? Development & Technical Discussion
A different problem with your approach is that everyone can spam the blockchain…
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n/a | johoe | October 20, 2016, 10:45:58 AM |
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Why is ECDSA needed at all? Development & Technical Discussion
The problem is, what if someone else sends the transactions with your public key…
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n/a | johoe | October 20, 2016, 10:37:40 AM |
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Are multisig addresses generated by same private key set secure? Development & Technical Discussion
Say, I am using MultiSig2 & MultiSig3 for cold storage, while using MultiSig1 fo…
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n/a | johoe | August 30, 2016, 09:10:43 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
Computing the public key d*G from the private key d needs a lot of computations.…
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n/a | johoe | July 02, 2016, 03:42:08 PM |
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Are xpub keys ever not a length of 111? Development & Technical Discussion
Since the prefix is fixed and non-zero, they are always the same length.
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n/a | johoe | June 16, 2016, 04:56:26 AM |
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Transaction with `OP_RETURN` to a particular address Development & Technical Discussion
for an OP_RETURN script (and a non-zero output value, I would presume).A zero am…
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n/a | johoe | June 06, 2016, 04:39:52 AM |
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What makes an unconfirmed tx 'suspicious'? (likely to be replaced or never confi Development & Technical Discussion
You should also check that the unconfirmed transaction is standard. Seehttps://…
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n/a | johoe | May 19, 2016, 10:46:31 AM |
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Theymos: “Bitcoins Belonging to Satoshi Should Be Destroyed” Bitcoin Discussion
BTW, if you still have old Franc notes from 2001. They are worthless now, becau…
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n/a | johoe | May 11, 2016, 06:30:53 PM |
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Theymos: “Bitcoins Belonging to Satoshi Should Be Destroyed” Bitcoin Discussion
Note that he suggested a soft fork that activates after 5 years to make old coin…
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n/a | johoe | May 11, 2016, 06:16:03 PM |
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How decode raw transaction? Development & Technical Discussion
But topic is not solved:I don't know how read addresses from script.block raw: 0…
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n/a | johoe | May 03, 2016, 12:20:18 PM |
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Stealth Addresses Bitcoin Technical Support
I have the following question: If A sends BTC to a stealth address of B, then B…
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n/a | johoe | April 15, 2016, 10:41:51 AM |
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BIP 32 - Find xprv from seed and passphrase (bitcore-mnemonic) Development & Technical Discussion
Something like this should work:Code:var bitcore = require('bitcore-lib');var xp…
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n/a | johoe | April 12, 2016, 09:50:20 AM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
My script that I still occasionally run has detected repeated nonces (r-value) i…
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n/a | johoe | April 09, 2016, 12:30:49 AM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
Is there any script where i just input any particular address and that script an…
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n/a | johoe | April 11, 2016, 05:43:30 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
I visisted this link http://www.nilsschneider.net/2013/01/28/recovering-bitcoin-…
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n/a | johoe | April 11, 2016, 03:23:53 PM |
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BIP 32 - Find xprv from seed and passphrase (bitcore-mnemonic) Development & Technical Discussion
Look for bip 39. This is from mnemonic words and passphrase to seed.EDIT: I thi…
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n/a | johoe | April 11, 2016, 02:58:33 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
In fact I tried to write a better bot a year ago, but even when I connected to h…
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n/a | johoe | April 11, 2016, 02:38:34 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
sorry if i missed it while reading through the thread -- are there any known wal…
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n/a | johoe | April 11, 2016, 02:32:12 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
Please answer my 3rd question 3.Say i send a tx worth 2 Bitcoins from my wallet…
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n/a | johoe | April 11, 2016, 02:14:14 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
Okay, others have setup their bots. Looks like amaclin's bot is the best (he li…
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n/a | johoe | April 11, 2016, 01:25:24 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
I am still looking for some technical explanation regarding this.1.If Determinis…
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n/a | johoe | April 11, 2016, 01:07:03 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
Anyways,if I use electrum the RNG of electrum is reliable?Electrum uses determin…
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n/a | johoe | April 10, 2016, 06:08:05 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
Okay, others have setup their bots. Looks like amaclin's bot is the best (he li…
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n/a | johoe | April 10, 2016, 05:58:38 PM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
1. If I use an address for receive only over a long time and never spend, can th…
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n/a | johoe | April 10, 2016, 08:41:24 AM |
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More Signatures with Repeated Nonces. Bitcoin Discussion
So how much BTC have you so far "swept"?I updated the first post, so far 7 BTC.I…
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n/a | johoe | April 10, 2016, 05:24:55 AM |
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New Signature with repeated nonces. Bitcoin Discussion
What in your estimation is the source of this problem?My guess is a cloned virtu…
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n/a | johoe | April 09, 2016, 04:38:37 PM |
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New Signature with repeated nonces. Bitcoin Discussion
Please tell me this wouldn't affect paper wallets generated with bitaddress.org.…
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n/a | johoe | April 09, 2016, 03:57:16 PM |
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New Signature with repeated nonces. Bitcoin Discussion
The last time this happened was the Blockchain.info December 2014 incident. You…
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n/a | johoe | April 09, 2016, 06:23:36 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Someone has emailed me, demonstrating that a prime c still allows cheating. With…
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n/a | johoe | December 10, 2015, 05:11:51 AM |
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Hoe werkt dat precies met die adressen? Nederlands (Dutch)
Ahaa, bedankt.Ik heb de private key's gevonden. Krijg ik deze ook als mijn compu…
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n/a | johoe | December 09, 2015, 04:04:43 AM |
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[ESHOP launched] Trezor: Bitcoin hardware wallet Hardware wallets
The trezor is not plug and use with electrum I have now seen.Ok now I have tried…
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n/a | johoe | December 09, 2015, 03:24:44 AM |
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Hoe werkt dat precies met die adressen? Nederlands (Dutch)
Als een faucet site bitcoins overmaakt naar dat ene adres, gebruikt de wallet da…
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n/a | johoe | December 06, 2015, 04:32:35 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
There is something else.Knowing the prime curve order n, the Prover can cheat wi…
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n/a | johoe | December 04, 2015, 11:58:10 PM |
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Limited number of bitcoin addresses Development & Technical Discussion
I also do not beleive that this will happen any time soon. Once we are down to…
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n/a | johoe | November 21, 2015, 04:59:30 AM |
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Protection against botnet DDoS of invalid (signature or otherwise) transactions? Development & Technical Discussion
First, the anti-DDOS measure are there to prevent an attacker to use the distrib…
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n/a | johoe | November 19, 2015, 05:23:15 AM |
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converting 52bit private keys to Base58 format Development & Technical Discussion
I'm not sure why anyone want to convert compressed into uncompressed keys, but t…
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n/a | johoe | November 02, 2015, 04:47:44 AM |
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Get balance from XPUB Service Discussion
You shouldn't post your xpub in a public forum... Why not?If that is your xpub i…
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n/a | johoe | October 26, 2015, 03:56:02 PM |
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Get balance from XPUB Service Discussion
You shouldn't post your xpub in a public forum... unless you use it only for te…
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n/a | johoe | October 26, 2015, 11:22:34 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Thinking of replacing U and V in the hash with their sum W = U + V = r*G + r*E t…
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n/a | johoe | October 18, 2015, 06:39:38 PM |
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Could the lightning network solve the block size problem? Bitcoin Discussion
1. Increase the blocksize by a "decent" amount to accommodate transaction volume…
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n/a | johoe | September 19, 2015, 06:39:26 AM |
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CoinWallet.eu Stress Test Cancelled + Bitcoin Giveaway Games and rounds
28 BTC from inputs or outputs? I mean, 28 BTC including fees?28 BTC is what was…
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n/a | johoe | September 18, 2015, 01:13:39 PM |
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CoinWallet.eu Stress Test Cancelled + Bitcoin Giveaway Games and rounds
Yep, almost done. It's got a lot harder to double spend over the last few hours…
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n/a | johoe | September 18, 2015, 12:01:49 PM |
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Bitcoin Cipher/puzzle - 0.56 Prize ! Bitcoins Games and rounds
I found this puzzle today. Looks like you solved most of it. My take at 3:Page…
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n/a | johoe | September 17, 2015, 01:26:15 PM |
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CoinWallet.eu Stress Test Cancelled + Bitcoin Giveaway Games and rounds
I'll try a syllogism:1. 1aajpztNecNzGBDjJhGfkrsUJFgeyhBgY and 1aa5cmqmvQq8YQTEqc…
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n/a | johoe | September 15, 2015, 05:46:18 AM |
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CoinWallet.eu Stress Test Cancelled + Bitcoin Giveaway Games and rounds
And don't import the private keys into electrum. The servers are run by volunte…
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n/a | johoe | September 10, 2015, 09:01:01 AM |
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CoinWallet.eu Stress Test Cancelled + Bitcoin Giveaway Games and rounds
BTW, it is not really worth to collect the money, unless you have your own optim…
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n/a | johoe | September 10, 2015, 08:40:31 AM |
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Voting for block size increase proposals Development & Technical Discussion
Anonymous votingAlternatively you can vote by sending 0.00000001 BTC to a specia…
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n/a | johoe | September 04, 2015, 10:05:31 AM |
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Trezor vs. paper wallets. Hardware wallets
So, how do you see the security of Trezor compared to the paper wallets?Let's pu…
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n/a | johoe | August 31, 2015, 12:51:08 PM |
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Questions About The Blocksize Vote Development & Technical Discussion
Yeah. I have a question! Why is it only those that own the means of production t…
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n/a | johoe | August 28, 2015, 05:22:52 PM |
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[CONSPIRACY] Bitcoin was invented to brute-force Hash Algorithms. Off-topic
* Now imagine in far future that the target is for the first time < 64219. So th…
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n/a | johoe | August 28, 2015, 05:00:33 PM |
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Is it possible to generate public keys using public info and other public info? Development & Technical Discussion
By publishing Kp, a customer should be able to combine Kp and n, in such a way h…
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n/a | johoe | August 23, 2015, 06:21:41 PM |
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Economic majority voting Development & Technical Discussion
This shows how important it is to fix the definition. With your definition I wo…
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n/a | johoe | August 23, 2015, 05:00:43 PM |
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Economic majority voting Development & Technical Discussion
This opens the question what happens if there is a 20 block fork but core catche…
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n/a | johoe | August 23, 2015, 04:01:05 PM |
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Economic majority voting Development & Technical Discussion
A fork counts as a "Core Fork" if it is valid according to the reference client…
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n/a | johoe | August 23, 2015, 10:01:00 AM |
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Complete dezentralisation of mining possible ? Development & Technical Discussion
It's not completely pointless at all! If sufficiently many users are willing to…
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n/a | johoe | August 23, 2015, 08:16:32 AM |
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Economic majority voting Development & Technical Discussion
I'd like to put up an offer for trading my future btc-xt for your future btc-cor…
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n/a | johoe | August 23, 2015, 05:39:35 AM |
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Request: Peer review my brainwallet concept Development & Technical Discussion
To brute force every 2-character alphanumeric passphrase with no salt, you would…
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n/a | johoe | August 19, 2015, 01:24:47 AM |
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Trezor Multi Signature Hardware wallets
Can anybody possibly give me a grade 5 ( ) explanation of how Trezor works with…
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n/a | johoe | August 18, 2015, 06:07:53 PM |
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How would you prove that you own >= X BTC without disclosing addresses ? (ZKP) Development & Technical Discussion
Currently, you can prove ownership of coins by signing withthe private key of an…
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n/a | johoe | August 15, 2015, 04:35:19 AM |
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How does the Bitcoin system work? Development & Technical Discussion
What doesn't make sense to me, however, is how people refer to mining pools work…
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n/a | johoe | July 15, 2015, 01:35:41 AM |
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Can empty output scripts be redeemed? Development & Technical Discussion
Hello,I noticed that some miners collect the spam and use a single empty output…
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n/a | johoe | July 13, 2015, 05:50:33 AM |
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The most repeated R value on the blockchain Development & Technical Discussion
Quotecan you clarify the f2pool patch you mentioned? Was the "patch" the small r…
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n/a | johoe | July 13, 2015, 04:01:18 AM |
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The most repeated R value on the blockchain Development & Technical Discussion
Code: static const QByteArray k ( QByteArray::fromHex ( "7fffffffffffffffff…
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n/a | johoe | July 12, 2015, 01:26:31 PM |
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Dust outputs redeemable with obvious brain wallet keys, for what? Development & Technical Discussion
If that is the idea, it does not work for reasons:- further spend attempts will…
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n/a | johoe | July 12, 2015, 10:09:39 AM |
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The most repeated R value on the blockchain Development & Technical Discussion
The number 00000000000000000000003b78ce563f89a0ed9414f5aa28ad0d96d6795f9c63 is n…
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n/a | johoe | July 12, 2015, 01:54:18 AM |
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Question : trezor without passphrase, thief can make transactions ? Bitcoin Discussion
If you have no passphrase, a thief can spend your coins only if :He stole your T…
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n/a | johoe | July 10, 2015, 09:13:00 AM |
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BIP39 foreign language wordlists not sorted Development & Technical Discussion
Another issue with French (though the 2 languages for Chinese are worst).... The…
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n/a | johoe | July 07, 2015, 05:11:33 AM |
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Blockchain joke Development & Technical Discussion
Why do you say there is no private key for the bytes? Can you elaborate the reas…
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n/a | johoe | July 07, 2015, 04:37:42 AM |
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BIP39 foreign language wordlists not sorted Development & Technical Discussion
Code:>LANG=C sort japanese.txt | diff japanese.txt - あたる+あっしゅく あつい あつかう-あっしゅく あつ…
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n/a | johoe | July 05, 2015, 03:44:02 PM |
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Majority is not Enough: Bitcoin Mining is Vulnerable Development & Technical Discussion
1: If the solution were to randomize what chain to work on in a tie, why wouldn'…
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n/a | johoe | July 05, 2015, 01:34:37 AM |
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Reflections on the 4 July fork Development & Technical Discussion
One problem was also that the effect of the soft fork on the "SPV mining"-hack w…
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n/a | johoe | July 04, 2015, 03:06:52 PM |
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"SPV Mining" or mining on invalidated blocks Development & Technical Discussion
Thanks to Peter Todd, Luke-Jr, and Gregory Maxwell careful watch we averted a di…
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n/a | johoe | July 04, 2015, 02:09:53 PM |
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Bitcoin XT code enabling bigger blocks Development & Technical Discussion
It is a fork of Bitcoin Core with some features but it hard-forked which makes i…
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n/a | johoe | July 04, 2015, 01:44:58 PM |
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BIP39 foreign language wordlists not sorted Development & Technical Discussion
Could it be a problem of localization? Every language has its own sorting rules…
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n/a | johoe | July 04, 2015, 01:18:34 PM |
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WARNING: blockchain split Bitcoin Discussion
Can someone explain me like i am five. Thanks.ELI5 is difficult . I try for a h…
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n/a | johoe | July 04, 2015, 02:36:54 AM |
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Double spend. This is BS. Please help. Service Discussion
Some of the inputs of your transactions are unconfirmed, that means the transact…
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n/a | johoe | July 01, 2015, 03:14:39 AM |
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Double spend. This is BS. Please help. Service Discussion
hey nice analysis, how did you found all those info only with the tx? especially…
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n/a | johoe | July 04, 2015, 02:18:42 AM |
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Blockchain.info BS. Double spend. Please help. Service Discussion
are you saying the money is gone and blockchain.info, the service provider won't…
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n/a | johoe | July 02, 2015, 05:53:12 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Quantum computing apparently enables Grover's algorithm which afaik effectively…
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n/a | johoe | July 02, 2015, 04:58:46 AM |
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BIP-32 hardened children Development & Technical Discussion
To prove that a key is the nth hardened child, you need to provide I_L and prove…
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n/a | johoe | July 01, 2015, 01:06:34 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
When values are hidden, the spenders are just as equiprobable, as when the denom…
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n/a | johoe | June 30, 2015, 03:54:34 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
No, the 380 bit security of the elliptic curve much exceeds the 128 bit security…
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n/a | johoe | June 30, 2015, 03:19:16 AM |
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