All Questions
28,870
questions
0
votes
0
answers
16
views
How much bitcoin in Canada?
How much bitcoin in Canada? Are there any sources of data or sites where it says how much bitcoin is in Canada or how many wallet addresses are Canada based?
- 101
0
votes
0
answers
12
views
Do all candidate block create Block header
I am learning Blockchain. I want to know that whether every candidate block first create Block header and then proceed to work on finding nonce or the block which suceeds in finding nonce first ( &...
- 1
1
vote
1
answer
21
views
Is it possible to use bitcoin-cli deriveaddress rpc call to generate ethereum address?
https://github.com/satoshilabs/slips/blob/master/slip-0044.md
As per this slip, if we just change the cointype in the descriptor, the deriveaddress rpc call should work to generate ethereum addresses ...
- 13
0
votes
0
answers
10
views
How is Loop Out/ Pay Self/ LNBig are different from each other Functionally?
I wonder how Loop Out, Pay Self, LNBig works respectively in a high level sense and how are they different from each other functionally.
Which is Best way to set Inbound Liquidity
- 179
0
votes
1
answer
21
views
How can I take a "snapshot" of the bitcoin blockchain and analyze it?
What I want to do:
Download the copy of bitcoin blockchain
Select from it all those addresses that have bitcoins (> 0.05 BTC) and they have not been active for > 7 days
Display statistics on ...
0
votes
1
answer
16
views
What is Lightning Pool?
What exactly is Lightning Pool?
How is beneficial for person selling channel and for the person buying channel respectively?
How can a person earns yield on Lightning Pool?
What's the future of ...
- 179
0
votes
1
answer
16
views
Where can I see a ranking of last 3 months change of top 100 cryptos? [closed]
I can easily find change of last 7 days in percentage for top cryptos on coinmarketcap.com and coingecko.com and so forth but after some Google searches, it seemed hard to find anything relevant for &...
- 121
0
votes
1
answer
16
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I’m trying to transfer BTC from Bitcoin.com to Coinbase and I keep getting a message that says could not broadcast payment. What does that mean?
I am trying to transfer BTC from Bitcoin.com to Coinbase. I keep getting a message that says “Could not broadcast payment”. What does that mean? I’ve tried 50.00 and 500.00.
0
votes
0
answers
31
views
Encryption for Mempool Privacy
Ferveo: Threshold Decryption for Mempool Privacy in BFT networks - https://eprint.iacr.org/2022/898
This paper describes some methods to encrypt transactions when in mempool and decrypt on inclusion ...
- 129
1
vote
2
answers
72
views
What is an inv message?
I was reviewing the PR #25720. This is part of description for the PR:
However, if an INV for a block is received before our headers chain is
caught up, we'll then start to sync headers from each ...
- 581
0
votes
1
answer
17
views
What is the difference between 51% attack fork, hard fork and soft fork?
I am confused between the forking that can be created because of the 51% attack and the soft fork and hard fork.
Does forks because of 51% attack can also lead to new crypto currency creation?
- 103
0
votes
0
answers
10
views
recovering your first crypot wallet [duplicate]
I just rembered that I used to have a crypto wallet on my first pc and is there a way to recover my old crypto wallet also i forgot which crypto wallet was it all what i rember is that i entrusted it ...
1
vote
1
answer
27
views
DNS Seeds for TORv3
Does querying the DNS Seeds via TOR return .onion addresses? If not, then if my node is a TOR only node, does it always get the .onion addresses to connect to, from the hard-coded list?
Additionally, ...
- 45
0
votes
1
answer
13
views
When trying to run the make command I get the following error, I am working with M1 Machine for Mac
xxxxxxx@xxxx-MacBook-Pro bitcoin % make -j 1
Making all in src
CXX bitcoind-bitcoind.o
clang: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-...
- 1
3
votes
0
answers
25
views
Application security of Bitcoin Core
Is there any information about how Bitcoin Core has applied secure development or application security in the past and currently? For example, the inclusion of third-party dependencies must be checked ...
2
votes
1
answer
483
views
Why do compressed and uncompressed public keys have to produce different addresses?
I am reading through the "Mastering Bitcoin" book. I understand that in the beginning the public key was both the x and y on the elliptic curve. Then it was optimized to only contain the x, ...
2
votes
0
answers
26
views
what is the CValidationInterface class int the Bitcoin Core?
There is class here in the Bitcoin Core, I tried to learn about it and what is its job but couldn't figure out anything useful.
/**
* Implement this to subscribe to events generated in validation
*
...
- 581
0
votes
1
answer
21
views
What should I do to move Electrum wallet from one computer to another (both are MacOS)
I have an old mac that I want to sell.
There are about 0.0001 BTC in the Electrum wallet on the mac. Though it's not some big money I still want to move it to my new mac.
I also have an Electrum on ...
- 305
2
votes
2
answers
79
views
Using an unmined Tx as a UTXO
Consider two transactions - Tx1, Tx2. Tx1 is an input of Tx2.
Say Tx1 did not get to any block yet. Can Tx2 get into the mempool of:
a node that holds Tx1 in its mempool
a node that does not hold Tx1 ...
- 23
0
votes
0
answers
13
views
Why bitcoin signature generated by javacard Applet orspecially Satochip Applet is not verified?
Suppose that I want to develop a sample test application using Satochip Applet for creation and sending bitcoin transactions programmatically.I pass a transaction hash to Applet and get a transaction ...
- 1
0
votes
0
answers
12
views
Sending not received [duplicate]
I sent btc from my binance wallet to a paxful wallet and the reciever is claiming he hasnt seen it how possible is that and this more than 4 hours now and the wallet address is correct but I dont know ...
- 1
2
votes
1
answer
44
views
Fail at coding my private to public key converter (Pyhon)
Fail at coding my private to public key converter script for Bitcoin (Secp256k1)
Currently going through the book "Programming Bitcoin by Jimmy Song", got stuck on page 61 (Chapter 3), but ...
- 21
0
votes
0
answers
18
views
What are some things that could be considered for stronger auditability and safety post completion of libbitcoinkernel?
The ongoing libbitcoinkernel project (1,2) is clearly a move in the right direction for Bitcoin Core and its consensus code. Longer term (ie post completion of libbitcoinkernel or perhaps even ...
- 10.4k
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votes
1
answer
60
views
Would a consensus algorithm like the one I describe work?
Given n nodes(miners/validators),
Every unspent transaction output is broadcasted to all n nodes.
Each node will select a batch of transactions and add it to their
block. The specific mechanism of ...
- 9
0
votes
0
answers
12
views
Is there a standard metric or approach to measure Bitcoin’s price volatility over time?
I am wondering whether there’s a standard here. By standard I mean a common or generally used method.
- 275
2
votes
1
answer
28
views
What can cause bitcoind to take a long time to shutdown?
I just installed Bitcoin Core on a new machine and completed IBD using dbcache ~24000. It took ~40 mins to shutdown for the first time (after running for about 24 hours and completing the IBD). I'm ...
0
votes
1
answer
18
views
How do I set up credentials for bcoin's JSON RPC interface?
I've recently been introduced to bcoin. In the documentation, it's stated that bcoin's RPC interface is similar to that of Bitcoin Core but after syncing my node, I can't find a way to set up a JSON ...
0
votes
0
answers
22
views
Using online exchange like ChangeNOW or FixedFloat to create anonymity? [closed]
Online exchanges like ChangeNOW, SimpleSwap and FixedFloat, unless they keep records for a long period, which theoretically might be later accessed by authorities, might offer considerable privacy. I ...
- 1
0
votes
0
answers
11
views
Outbound connections restricted to Tor but the proxy for reaching the Tor network is not provided
Following bitcoin.conf worked fine (version 22.0) to route all traffic over Tor but throws error after upgrade to version 23.0.
assumevalid=0
disablewallet=1
dns=0
dnsseed=0
maxconnections=20
onlynet=...
- 231
0
votes
1
answer
25
views
Actively used bech32(m) address with invalid checksum?
The following address uses witness version 0 and its checksum is the one expected for bech32m addresses. However, the combination of the two is not valid.
...
- 260
0
votes
0
answers
13
views
i cant send funds with python bitcoinlib and my private key i cant find the error
I am trying to build a Bitcoin wallet that receives bitcoins and can transfer them to another wallet, I am using PYTHON.
step 1 ( create private_key, public_key and public_ address ):
from ...
- 1
0
votes
2
answers
33
views
bitcoind syncing headers but not blocks
I have bitcoind version 23.0 running on a machine in regtest mode.
I then start another instance on another machine and perform addnode "x.x.x.x:xxxx" "add" to connect to the first ...
- 117
-1
votes
0
answers
31
views
will Bitcoin reach below 8000 dollars [closed]
Now a days the Bitcoin price was not stable and many business Analyst have saying that Bitcoin price will go below 8000 USD. So, Is it profitable to invest in Bitcoin?
- 1
2
votes
2
answers
45
views
Splitting of data across blkxxxxx.dat files
I am trying to parse out the bitcoin data using Big Data and wanted to know more about the blk files themselves. I was wondering how does bitcoin split the transactions across the files. I know there ...
2
votes
1
answer
82
views
What prevents miners from removing transactions when validating a node? [duplicate]
Simple question: when a miners receives a block of transactions, he can't add fraudulent transactions because they need to be appropriately signed, but what prevents him from erasing a tx? If he ...
- 21
2
votes
2
answers
68
views
Can one infer that a bc1 address is multisig?
Studying privacy and security implications of revealing if a bc1 address belongs to a multisig wallet vs a regular wallet.
I do notice that multisig bc1 addresses are longer than regular ones… P2WSH (...
- 231
0
votes
1
answer
36
views
How provide a sender address to a Know Your Transaction service
Due to the recent change in regulatory bodies, crypto businesses are now being asked to prevent their customers from facilitating transactions used for money laundering and other illicit activities ...
- 13
0
votes
0
answers
13
views
BLOCKCHAIN CIRCULATOIN IF COIN NOT RECEIVE? [duplicate]
UK Company send some bitcoin in my wallet address but after 100 of confirmation bitcoin not showing in my Binance Account. So Depositer saying that recipient have to send half of actual value of ...
0
votes
1
answer
33
views
Estimating Cryptocurrency Tax Gap
Estimating Cryptocurrency Tax Gap
I'm trying to do a rough estimate for the tax gap for cryptocurrency in Canada and I'm having a hard time producing it due to a lack of data on the topic. The tax gap ...
- 101
2
votes
1
answer
71
views
Bitcoin core sync stuck with an error "peer=X is stalling block download"
I have installed bitcoin core (23.0) on a virtual machine (Debian GNU/Linux 10, x86_64) and tried to start the testnet initial block download. Unfortunately,a few days ago blockchain sync is stuck on ...
- 21
1
vote
1
answer
43
views
Restarting the bitcoin chain in a land far away, after a global total collapse disaster
So I've been thinking about this scenario, you are a survivor of a global disaster.
Years later you find a running solar powered bitcoin node and want to restart the chain.
You have a few running ...
- 11
2
votes
1
answer
46
views
Peer discovery on a custom signet (custom `signetchallenge`)
I'm experimenting with signet by creating a custom network with a script of my own to validate blocks (signetchallenge in the conf file).
I started a mini network with only a handful nodes for now, ...
- 487
1
vote
1
answer
74
views
How to use a watch-only wallet in bitcoin-core?
I'm using bitcoin-core v23.0.
It seems to support watch-only wallets by setting disable_private_keys=true during wallet creation.
$ bitcoin-cli -regtest createwallet "test" true
{
"...
- 117
0
votes
1
answer
35
views
Specification of Bitcoin RPC getbalances
I would like to track balances using address, but I have a few questions.
If I don't use the rescan option, will the balance be incorrect?
Why is the balance off when I check it against an external ...
- 3
0
votes
1
answer
32
views
Who chooses the nonce and the hash from a previous block?
When mining a block, who gets to choose the hash from the previous block, the nonce and its adjustment. Is it all the miners who choose or the ones who successfully found the block?
For either answer, ...
- 3
0
votes
1
answer
46
views
Get bitcoin unconfirmed transactions real time
i'm new to bitcoin and was wondering, does anyone know how to get unconfirmed transactions with python? I've tried running my own node but my current hardware won't allow it. Is there a way to query ...
- 1
1
vote
1
answer
33
views
How to deal with this situation in Lightning Network?
What happens if Alice sends excess amount by mistake in Lightning Channel, and Bob denies to send back excess and broadcast the last transaction to Blockchain?
- 179
-1
votes
0
answers
37
views
What is Bitcoin in blockchain? [closed]
What is bitcoin, how's it different from the currency? Can I buy milk using bitcoin?
- 1
1
vote
0
answers
15
views
BlockCypher API signature bitcoin transaction Error
I'm trying to make a bitcoin transaction using the BlockCypher API and I'm getting an error when I try to sign the transaction.
This function creates an unsigned transaction:
def buildTransaction(...
- 11
1
vote
0
answers
36
views
How do I gain access to the on-chain funds with hsm_secret?
I had a Core Lightning node running properly, but it suddenly somehow stopped working. I force-closed the only channel I owned (from my other node), and since I can't start the lightning daemon (with ...
- 106