Questions tagged [bip]

Bitcoin Improvement Proposal - a design document providing information to the Bitcoin community, or describing a new feature for Bitcoin or its processes or environment.

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Where are BIPs 40 and 41?

I can't find documentation about BIP 40 or BIP 41 anywhere on the web. The list of BIPs shows that they are by Marek Palatinus, but there are no links to them. BIP 0040 is about the Stratum wire ...
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Criteria for Bitcoin protocol consolidation/freezing at the network level (full nodes)

In the Bitcoin development process, there exists the following high-level structure of control: Anyone can submit a BIP that aims to change Bitcoin Core The BIP must be approved by an editor The BIP ...
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What solutions were suggested to improve BIP process in Sep 2021 meeting?

What solutions were suggested to improve BIP process and avoid controversies in future by different developers in last meeting?
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how to get masterkey and consequent wallet keys from root seed?

So basically i am trying to create my own crypto wallet application in python, i have generated the random entropy, calculated the checksum, generated the 12 words and then generated the root seed ...
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1 answer
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Why have a BIP process at all? Why should we store BIPs in a single repo?

Why do we have a BIP process? It seems like unnecessary centralization and introduces gatekeepers (BIP editors) and bottlenecks (BIP editors need to merge new BIPs and changes to BIPs). If something ...
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1 vote
1 answer
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Under the existing BIP process what ability do the BIP editors have to prevent bad ideas being BIPed and/or low quality BIPs?

Under the existing BIP process (BIP 2) what ability do the BIP editors have to prevent bad ideas being BIPed and/or BIPs becoming especially low quality or biased?
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1 vote
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Does the reference client Bitcoin Core determine the consensus rules?

Does the reference client Bitcoin Core determine the consensus rules? Why should we care what is in the BIP if when there is a discrepancy between the BIP and the Core codebase (like we saw recently ...
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2 votes
1 answer
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Why were some BIPs marked as Rejected before expiry deadline defined in BIP-2?

BIP-2 says: BIPs should be changed from Draft or Proposed status, to Rejected status, upon request by any person, if they have not made progress in three years. However, some BIPs were marked as ...
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3 votes
2 answers
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How many BIPs were adopted in the standard client in 2021?

With taproot, a number of longstanding BIPs were merged into the Bitcoin standard client/consensus protocol - BIP341, BIP340, and BIP342. However, the Bitcoin repository BIPS index is unclear on when ...
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Which "address" should be used when wallet is made with iancoleman page?

If I have generated / choosen the 12 word memnonic with bip39 here https://iancoleman.io/bip39/ which address I should fill in Binance as the destination address when withdrowing coins? Account ...
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Where does a Client in Bitcoin Read From?

I can understand how Bitcoin replication mechanism work profoundly (i.e. the write operations). However, I don't understand the read operation from a client's point of view (a client is called a user ...
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What is a safe amount of characters in a passphare?

The coldcard and trezor both has support for a passphrase. What amount of characters in this passphrase that would be considered unbreakable with current technology and within some years of ...
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1 vote
0 answers
354 views

How to properly compute the BIP39 checksum bytes?

I'm trying to understand the logic of generating a valid BIP-39 seed phrase. I have read the BIP-39 and trying to implement the section Generating the mnemonic step by step. I have the following ...
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2 votes
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Can we benefit from Collatz conjecture-based proof of work?

Can we benefit from Collatz conjecture proof of work to enhance bitcoin utility? F Bocart 2018:"Inflation Propensity of Collatz Orbits: A New Proof-of-Work for Blockchain Application" argues ...
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1 answer
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Should full node provide BIP 157/158 services?

As an educational exericse I have a new 22.0 full node using tor onion-only. Of the 18 outbound connections, one is to a peer which offers COMPACT_FILTERS BIP 158 service. (I got the name from a list ...
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1 vote
1 answer
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Why BIP32 derive address does not match with BIP39?

How is that the same xPub rsults different address in BIP32 and BIP39? :)
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How to derive public child keys from public parent keys with bip39-libs.js?

I red this doc: https://howieliux.github.io/assets/others/Mastering_bitcoin/Mastering_Bitcoin.html and found: As mentioned previously, a very useful characteristic of HD wallets is the ability to ...
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6 votes
1 answer
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Why is coinbase mentioned in a BIP?

I thought that BIPs were similar to Pythons PIPs. So I was confused when I read BIP 34 mentioning coinbase explicitly. The author, Gavin Andresen, seems not to have a connection to coinbase. I thought ...
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0 votes
1 answer
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Could a Multi-Chain Bitcoin Help the issue of Scaling?

This question falls under the heading of "shower thoughts" that are Generally discouraged in the bitcoin-dev list. I hope this is the right forum. I have been running my full node for a few ...
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0 votes
1 answer
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Trouble deriving a BIP 32 Child Key

I have a small Python program I'm writing to generate BIP32 keys, including child keys. I've gotten to the point where I can correctly generate a master extended key pair, but I'm not able to ...
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1 vote
1 answer
330 views

HD Wallet with BIP44 - workaround of deriving public keys knowing only a xpub

My goal: I don't want to require a private key to hierarchically derive new addresses. Sure, I can create a batch of addresses, given a private key, at first. But once I have surpassed that batch I'll ...
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2 votes
1 answer
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In what year and in which Bitcoin improvement proposal Opcodes such as OP_MODE have been disabled?

On Bitcoin wiki several opcodes are listed as "disabled". My question is simple: which Bitcoin improvement proposal proposed to disable them, and when they have effectively been disabled in ...
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2 votes
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Why is BIP133 listed as 'Draft' when it has been implemented for years?

BIP133 is listed as 'Draft' but it has been implemented since v.0.13.0 https://github.com/bitcoin/bips/blob/master/bip-0133.mediawiki Is there anything preventing it from being labelled as 'Final'?
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1 vote
1 answer
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Advanced math operations in TapScript?

Hence BIP 342 proposes to enable opcodes like OP_MOD, OP_DIV, OP_MUL is it possible to perform advanced math operations like EC point addition/multiplication in a script size of up to 10kB?
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2 answers
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Links for websites that were used to show miners signaling support for segwit

Anyone got links for websites that were used to show miners signaling support for segwit? or screenshots? Also wanted to confirm if my assumptions are correct about the whole thing: Initially BIP 9 ...
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1 vote
1 answer
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Why is BIP32 root key different for different standards(purposes)?

When generating key on https://iancolemen.com/bip39/, the BIP32 Root Key changes as I change the derivation path tab, e.g. BIP32, BIP44, BIP39 etc. Why is this the case? Isn't BIP32 Root Key the m at ...
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Any website that explains most of the BIPs in a different way that newbies can understand better?

Almost everything about all the BIPs is explained on github : https://github.com/bitcoin/bips still looking for a website that explains them differently (simple language, diagrams, history, ...
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0 votes
1 answer
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Why was the BIP33 ("Stratized Nodes") never implemented?

What are the technical reasons that BIP33 was never implemented ?
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4 votes
2 answers
391 views

Is there an active list of BIPs currently open for voting?

How can a miner know from which two (or more) BIPs they can choose when they are about to vote? Is there a list of currently active BIPs for voting? Thanks!
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2 votes
2 answers
476 views

How does a miner put his vote for certain BIP?

I understand that a miner is the only one who can vote for a certain BIP, but I'm wondering, how do they technically do that? How do they submit their vote? I found out that they are doing it through ...
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  • 449
0 votes
1 answer
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Is there already reached consensus on network upgrades like Taproot, Submarine Swaps?

I have read about some very interesting new protocol amendments. I am not asking for their explanations, but would be great if anyone explained their current status, if they are still considered to ...
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7 votes
1 answer
341 views

What are the different upgradeability features in the BIP-Taproot (BIP 341) proposal?

What are the different upgradability features in the BIP-Taproot (BIP 341) proposal? Why are there so many upgradability paths? Is there something an annex can do that a leaf version can't? This ...
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1 vote
0 answers
184 views

How are the prefixes for EXT_PUBLIC_KEY and EXT_PRIVATE_KEY derived?

I want to know how the prefixes for EXT_PUBLIC_KEY and EXT_PRIVATE_KEY are derived. For example in bitcoin you have: base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0); ...
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2 votes
1 answer
443 views

How to get bitcoin bip32 public key from private key?

I need to know how to get the corresponding public key of a private key in hd-wallets, I don't need the derived ones but the public key who is related to the private I got. If there is an algorithm ...
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1 vote
1 answer
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Tips for child key derivation

I am trying to make the child key derivation using the extended keys of the BIP32 document (https://en.bitcoin.it/wiki/BIP_0032). Assuming that an extended key is only a base58 encoded serialization ...
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4 votes
1 answer
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BIP34, BIP66 and BIP65 should have been enforced at unique block heights. Why do different sources claim different block heights for enforcement?

Inconsistent Consensus/Activation of BIPs BIP34 Activated Block Height 227,835 (BitMEX Reference) Activated Block Height 227,930 (Bitcoin Developer Reference) Activated Block Height 227,931 (...
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4 votes
1 answer
164 views

Why is the bitcoin client still in beta

As of today the official bitcoin core version is 0.19.1 why has it not go to 1.0 version yet ? Is there a timeline from the developer team ? I have seen this similar question from 8 years ago: Why ...
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Is it yet possible to send a message to the wallet which receives Bitcoin when making a transaction?

I wish to be able to do something like this: bitcoin://anaddressgoeshere?message_to_wallet_owner=Keep+up+the+good+work,+dude! After clicking that link, which opens the user's Bitcoin Core wallet, ...
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1 vote
1 answer
763 views

Bruteforcing a seed with 24 words of a unknown order

How much time would it take to brute force a seed that we know all of its words but also that is completely shuffled? I ask this because the old Trezor model asks for seed in a shuffled way but still ...
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0 votes
1 answer
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Bitcoin privacy - current state of privacy BIPs - is mimblewimble broken?

Community, what is the current state of privacy related BIPs? Anything on the roadmap by core devs to be deployed on main chain within the next year? IF yes, could you link me to this BIP(s)? And ...
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2 votes
1 answer
131 views

bip-schnorr and HD Key Derivation

Is it safe to use HD Key Derivation with bip-schnorr? The bip mentions that you should not throw away the first byte of a generated key. It is important to not mix up the 32-byte bip-schnorr public ...
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5 votes
1 answer
549 views

Is Bitcoin PoW actually SHA256 + Merkle generation? Or have I misunderstood coinbase/append?

Miners can mutate nonce (32 bits) + time (mutates once a second). This allows for 232 (~4 billion) hashes per second. That's not enough anymore for our ASICs as they perform in the TH/s now rather ...
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8 votes
1 answer
311 views

How do BIP numbers get assigned?

Each BIP (Bitcoin Improvement Proposal) has a assigned number. For example BIP-2, BIP-42 and BIP-152. How does this number get assigned and by whom?
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1 vote
1 answer
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are checksums included in mnemonic seed phrases?

say i have 24 words. Out of those 24 words, is the 24th one the checksum. say i have: a1 b2 c3 d4 e5 f6 g7 h8 i9 j10 k11 l12 m13 n14 o15 p16 q17 r18 s19 t20 u21 v22 w23 x24 is x24 the checksum? or ...
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15 votes
1 answer
3k views

Is there a reason to why Bitcoin Core does not implement BIP39?

Is there a specific reason to why BIP39 isn't added to Bitcoin Core? Seems very trivial to add and am confused to why it isn't there.
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7 votes
1 answer
198 views

What are the major technical differences between Bitcoin and Bitcoin Cash?

For a research project I'm trying to detect the major technical differences between Bitcoin and Bitcoin Cash. I know that BCH uses a larger block size and does not support SegWit. But what other ...
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2 votes
1 answer
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Why seed from BIP39 mnemonic phrase is much longer than entropy?

BIP39 converts mnemonic "zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong" to the fairly long seed "...
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  • 135
3 votes
1 answer
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What is the current Status of major proposed BTC upgrades like Taproot, MAST, Submarine Swaps?

I have read during the last year about some very interesting BIPs or initiatives. I am not asking for their explanations, just would be great if anyone would know about their simple status as of now, ...
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9 votes
2 answers
1k views

BIP44: What's the use of internal addresses?

I've read other questions (and their answers) on this but I still don't see the use for internal addresses. I get that you're supposed to send the change of a transaction there but I don't see how ...
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4 votes
2 answers
721 views

How does nSequence/Check Sequence Verify work?

How does relative timelock work? I mean, I know the theoretical description, but how to use nSequence concretely ? Can you do me a practical example with 2 sample transactions one of which locked with ...
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