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821  Bitcoin / Hardware wallets / Re: Idea: Ledger as seed generator? on: November 27, 2023, 09:24:40 AM
I'm not that much into Linux, so playing with /dev/urandom and so on is not for me.

You could just copy-paste the tutorial. Here's an short example from me,

1. Get 32 HEX character from /dev/urandom using this command. I only copy-paste command from https://stackoverflow.com/a/34329057.

Code:
$ hexdump -vn16 -e'4/4 "%08X" 1 "\n"' /dev/urandom
44393B19866635398D4656494441C7BD

2. Download bip39-standalone.html from https://github.com/iancoleman/bip39/releases and open it with your browser.

3. Select "Show entropy details".



4. Copy 32 HEX character from hexdump command to Entropy text field.



You can replace -vn16 with -vn32 if you want to generate 24 BIP39 words. It shouldn't be as hard as you expected, although i understand if you find this method not convenient.
822  Bitcoin / Hardware wallets / Re: Idea: Ledger as seed generator? on: November 26, 2023, 10:46:08 AM
And now the idea: why don't just use Ledger (only!) as seed generator?

I'd rather just use /dev/urandom and convert the format as needed. Your Ledger probably is more useful if you use it either as decoy or store altcoin if you can't find better software wallet for that altcoin.

Is it anything I've missed?

Ledger isn't open source. And with various controversy, don't trust them or their product too much.
823  Other / Archival / Re: WasabiWallet.io | Open-source, non-custodial Bitcoin Wallet for desktop on: November 26, 2023, 10:34:40 AM
Wow, I'm surprised people still try to argue on this topic, after revisiting it over 2 months later.

It's going in circles though, so there's no need to read all of it.

Is there anything new from Wasabi / zkSNACKs, any changes in the software or system architecture? Because in that case, I'd look into it to update my Wasabi blacklisting update - open letter / 24 questions discussion thread. Although I highly doubt that.

For software, you could check information (mainly "Release Summary") stated from Wasabi Wallet release page at https://github.com/zkSNACKs/WalletWasabi/releases. Their blog also has few interesting technical article such as https://blog.wasabiwallet.io/what-lightning-network-enabled-wabisabi-coinjoins-might-look-like/. But based on my memory, there's no announcement they remove blacklist on zkSNACKs coordinator/server.
824  Bitcoin / Development & Technical Discussion / Re: Commitment-based node for Initial Blockchain Download on: November 26, 2023, 10:21:01 AM
And on top of that, there are consensus rules, to accept only valid commitments, and to decide, who can create a new commitment.

Not only hardest path, personally i'd say it's near impossible.

Thoughts?

For now i have one thought. Wouldn't size of the commitment is extremely huge which makes it impractical? I say extremely huge based on naive calculation which multiply 32 bytes with total of all signature and public key.
825  Bitcoin / Bitcoin Technical Support / Re: Need advice on building a secure Bitcoin Node at motherboard foundation level on: November 26, 2023, 09:50:28 AM
    However, a bump in the road I have encountered relates to disabling the Intel Management Engine (IME) on my Supermicro X11SSH-F motherboard using Coreboot.

    There are several script or tool to either remove or disable Intel ME? Have you tried any of those?

    • Does disabling the IME with Coreboot really make a Bitcoin Hub more secure? Or are there tradeoffs that actually make the Bitcoin Hub less secure after installing Coreboot?

    AFAIK no. Even one of NSA project remove Intel ME due to security reason, assuming you somewhat trust NSA.

    • Is buying an Intel motherboard manufactured before 2006 the only way to 100% totally avoid IME? If yes doesn't such an old motherboard lack the required horsepower needed to operate a robust Bitcoin hub?

    No, you can consider device which use RISC-V CPU. You can get newer and more powerful CPU at cost of limited software and OS support. Although FWIW there are few laptop/PC brand which claim their device has either disabled or removed Intel ME. But i

    • Is an AMD motherboard a better foundation level security alternative to building a Bitcoin Node? If yes what particular AMD CPU generation / motherboard manufactured year should I be looking at?

    No, AMD have something similar with Intel ME called AMD PSP.
    826  Economy / Service Discussion / Re: Experiences with A-Ads (advertising service) or Adshares? Alternatives? on: November 26, 2023, 09:34:01 AM
    While i don't own any website or bug, those are good questions OP. And i'd also like to ask following question to those who use A-Ads,
    1. When i check https://a-ads.com/ad_units/new, expected income is far lower if you filter ads under category "Investments" or "Gambling". Do you choose to filter those category or not?
    2. After reading https://a-ads.com/earn/, it looks like A-Ads doesn't check your website before you get earning. Is it really true?
    827  Bitcoin / Wallet software / Re: Zeal | a new competitor to other cryptocurrency wallets? on: November 24, 2023, 11:00:45 AM
    I see they announced that the cryptography libraries will be available as open source and that they will have all the features of current wallets with a friendly UI.

    Then it's similar with Trust Wallet where they only open source their library at https://github.com/trustwallet/wallet-core.


    Some simple features like this may help beginners to avoid losing their investments.

    That's true. Although since they rely on certain database or API, it's possible for open-source wallet may implement such feature in the future.
    828  Bitcoin / Development & Technical Discussion / Re: opcodeexplained.com - A website which explain Bitcoin Opcodes on: November 24, 2023, 10:32:51 AM
    It is an interesting site but there are some weirdness in it too.

    For example they are categorizing/naming 0xbb to 0xfe as OP_RETURN_XXX which is a bit misleading. These are undefined OP codes meaning the interpreter fails if it reaches any of these bytes when reading/interpreting/executing the script stream. Even though in action this is performing the same task as OP_RETURN but it is not the same. Being "undefined" means they can be defined at some point. For example in witness version 1 when the interpreter reaches these OP codes it returns as a successful interpretation (since it reached OP_SUCCESS) not the way it treats OP_RETURN (0x6a) which is failing right away even in witness version 1.

    That's good point. Looking at explanation of OP_RETURN_XXX pages, it seems the author use name from library called rust-bitcoin[1] which IMO is weird decision.

    We should probably help out and fill in the remaining ones.

    And the author welcome such help[2].

    [1] https://opcodeexplained.com/opcodes/OP_RETURN_228.html
    [2] https://twitter.com/thunderB__/status/1722301073585475712
    829  Bitcoin / Bitcoin Discussion / Re: Bitcoin Logo .... a hologram made with Blender on: November 23, 2023, 10:41:22 AM
    If you use VPN or Tor, you might get warning about exceeding transfer quota which force you to wait or upgrade to paid account. In future, you might want to use different platform to share your video.
    Any suggestions?

    I have no specific suggestion since most platform which let you upload and share video or GIF doesn't block Tor or VPN.

    If you use VPN or Tor, you might get warning about exceeding transfer quota which force you to wait or upgrade to paid account. In future, you might want to use different platform to share your video.
    I bet, he uses Tor or at least paid VPN. I didn't have any problem though. By the way, that's only 1.3 MB, I have no idea how can someone exceed transfer quota.

    With Tor or some VPN, the IP address is shared where someone else might used all free transfer quota for that IP address. I had to switch Tor relay few times before i can watch the video.
    830  Bitcoin / Development & Technical Discussion / opcodeexplained.com - A website which explain Bitcoin Opcodes on: November 23, 2023, 10:07:40 AM
    Does anyone know existence of https://opcodeexplained.com/? I discovered this website from Bitcoin Ops mailing and i found this website is rather helpful. It has more info compared with other website such as  https://en.bitcoin.it/wiki/Script and https://developer.bitcoin.org/reference/transactions.html. It also mention Opcodes which disabled on Bitcoin network such as OP_CAT.

    P.S. I am NOT owner of this website.
    831  Bitcoin / Bitcoin Discussion / Re: [POLL] Is bigger block capacity still a taboo? on: November 23, 2023, 10:00:49 AM
    --snip--
    You, ser, are correct! In the context of Bitcoin, real actual scaling should be defined as, "increasing network throughput, without sacrificing decentralization". - That's probably where the problem is, because different people in BitcoinTalk have different definitions of "scaling". But to many, it merely means increasing the block size.

    But don't forget technology continue to progress, so increasing block size doesn't always mean sacrificing decentralization.

    832  Local / Bahasa Indonesia (Indonesian) / Re: [DISKUSI] BITCOIN Sebagai Mata Uang Dunia - Mungkin atau tidak, Mengapa? on: November 23, 2023, 09:52:53 AM
    Dan bagaimana menurut agan?

    Dari segi teknologi, saya yaking Bitcoin bisa menjadi mata uang dunia.

    - Transaksi bitcoin membutuhkan konfirmasi jaringan sekitar 10 menit dan untuk membayaran langsung itu dalah waktu yang sangat lama
    - Biaya transaksi yang cenderung mahal untuk pembelian barang dalam jumlah kecil

    Dengan teknologi seperti Lightning Network atau side-chain, 2 masalah ini bisa diselesaikan.

    - Jumlah bitcoin yang beredar tidak terlalu banyak

    Kita bisa menggunakan satuan Bitcoin yang lebih kecil, seperti satoshi ataupun mBTC sehingga jumlah Bitcoin terlihat lebih banyak.
    833  Bitcoin / Project Development / Re: Retro RPG game that teaches about Bitcoin on: November 23, 2023, 09:48:28 AM
    I've checked the gameplay video, but is it right to assume the gameplay mostly composed of walking, talking to character and reading lots of text? If so, personally i find the game rather boring. And since Satoshi Nakamoto is anonymous, i prefer if your video game doesn't show face of Satoshi at all.
    834  Bitcoin / Wallet software / Re: Zeal | a new competitor to other cryptocurrency wallets? on: November 22, 2023, 10:51:21 AM

    This news doesn't mention anything about open source or transparency. So this wallet is likely to be closed-source and possibility being custodial wallet/service which doesn't interest me and many reader in this forum.

    Zeal hopes to solve issues related to scams and hacks with a wallet that the company said "solves the security problem with advanced security checks and previews for web3 transactions that keep people safe from scams."

    I don't know about how their security check works, but transaction preview already available on many wallet.
    835  Other / Meta / Re: Wall of fame / shame. Shit posts so bad that they are actually funny on: November 22, 2023, 10:42:35 AM
    The Eloncoin sig campaign continues to prove it hired some of the dumbest posters to ever have accounts on this forum:

    Bitcoin's blockchain is larger due to the fact that Bitcoin's market cap is much larger than Monero's. As a result, Bitcoin's blockchain size is much larger than Monero's.



    Someone should tell him size of BSV blockchain Tongue.
    836  Bitcoin / Development & Technical Discussion / Re: Fair and unbiased coins have a bias to land on the same side they started on: November 19, 2023, 10:54:02 AM
    Can't believe some people actually research this, where they provide detailed documentation including video of tossing coin and image of all coins used as tossing (i checked few random image and video).

    The source also mentions the scope of this same-side bias in a betting scenario.
    If you bet $1 on the result of a coin toss to get $2 if you predict correctly or lose the $1 if you predict wrong, you would earn an average of $19 after 1000 coin flips. But knowing the starting position of the coin is essential.

    Although if you visit casino, you still at disadvantage due to house edge and other fees.

    Could these findings lower the security of seeds generated from coin tosses, considering that the starting positions of the coins aren't known to a third party?

    In terms of entropy, shouldn't the difference (between ~0.508 and ~0.492) is extremely small? CMIIW.
    837  Bitcoin / Bitcoin Discussion / Re: [POLL] Is bigger block capacity still a taboo? on: November 19, 2023, 10:19:58 AM
    Can somebody show me some data or a paper to support this?
    It's simple. When a miner mines a block, they are the first to have verified that block; it happens during mining to check for the validity of the transactions. When they broadcast their block, the rest of the miners must firstly verify it before mining on top. The bigger the block size, the more time it takes to verify the block, and hence, the more the time the lucky miner gains to continuing mining alone.

    And it's not just verification, it's propagation as well.

    FYI, Compact Blocks (https://bitcoincore.org/en/2016/06/07/compact-blocks-faq/) partially mitigate this problem as you don't have to propagate whole block and the TX already verified when it arrive on your node.

    On one hand, bitcoin remaining to be in this 1 mb size limit ensures that decentralization is taken care of

    Actual block size limit isn't 1MB, but rather 4 kWU (4 million weight unit) or 1 vMB (1 virtual mega byte) where actual size of block can reach up to 4MB.

    and that no one has to pay so much fees in the future.

    How can you be sure when in this week you need to spend few dollars to ensure your TX included in next few blocks?
    838  Other / Archival / Re: [banned mixer] - service for anonymization of crypto transactions | Bitcoin mixer on: November 18, 2023, 09:25:45 AM
    Quote
    I hope Loyce will join us and will also let you know if he received a similar letter from PureMixer.
    Yes, we sent an identical letter confirming the reserves to the user LoyceV. We also expect ETFbitcoin if he shows interest in this.

    we also want to note that icopress and LoyceV were informed in order to permanently delete the signed message after checking and making sure of its legitimacy.

    Best regards, PureMixer team

    Sorry, i'm not interested to verify it. More member trust @LoyceV than me and in terms of technical knowledge, there are also some member who outperform me.
    839  Bitcoin / Development & Technical Discussion / Re: NFTs in the Bitcoin blockchain - Ordinal Theory on: November 16, 2023, 10:35:26 AM
    Quote
    And i doubt it can merge transaction with custom spending condition.
    This is a feature, not a bug. You want to compress transactions based on public keys and signatures, while leaving for example Ordinals uncompressed. In this way, regular users could have cheap transactions, while Ordinals users will still pay a lot of satoshis for pushing their data on-chain. Unless they will compress them in some way, but I doubt it. Compressing regular public keys in some aggregated signature is much easier than compressing some arbitrary data pushes.

    In general, Ordinals are incompatible with many protocols, for example CoinJoin or cut-through. But it is their problem, not mine. If users want to use protocols, that were not tested enough, it is their choice, and they should pay for their spam, while regular users should have a way to make their transactions cheaper.

    Arbitrary data can't be compressed/merged that way, so i know it can't be helped. Although i also refer to other usage such as HTLC used by LN and P2SH/P2WSH which reveal full script/all possible spend condition.
    840  Other / Archival / Re: [banned mixer] - service for anonymization of crypto transactions | Bitcoin mixer on: November 16, 2023, 09:36:58 AM
    · requests from external fonts, such as: Fonts.googleapis.com and Fonts.gstatic.com were eliminated, both in the clearnet version of the site and in the onion version. [banned mixer] service no longer uploads any third-party, external files.

    We kindly ask the following users to correct their early comments/notes in view of the current state of the service: --snip other user-- @ETFbitcoin

    I can confirm now clearnet version also doesn't make request data to external website. I've edited my posts.
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