Questions tagged [client]
This tag should be used for questions regarding Bitcoin clients. A client is any application which allows a user to connect to the Bitcoin (or alternate) network. Alternately, "client" may refer to a non-standard user interface which interacts with the Bitcoin network through a standard client.
683
questions
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47 views
Stratum: How many shares should I submit per job?
I'm implementing a bitcoin CPU miner just for fun in python. I've been reading a lot about bitcoin and the protocol pools use for communication and coordinating workers but there is a key concept I ...
0
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1answer
37 views
I just need some advice or assistance if possible? I'd really appreciate anyones 2cents on this
I sent BTC from Paxful to an exchange called LAtoken. $36 worth of BTC was sent, nothing major to anyone else but really huge to me. Cope pasted and confirmed address. NO btc arrived almost a day ...
1
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1answer
62 views
What is a correct extranonce2 value in the stratum protocol?
I'm developing a stratum mining client. I read on stratum v1 docs on braiins.com how mining work is done on the stratum protocol and that the coinbase is done by concatenating coinb1+extranonce1+...
1
vote
1answer
149 views
Send and Received BITCOIN
I have been working on Ethereum for years. Now assigned to work on Bitcoin. The way that BTC handle transaction is vastly different and utterly complicated.
After reading for quite sometime. Can I ...
0
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0answers
26 views
wallet not working [duplicate]
an old hard drive use on a new computer, not working but providing code
EXCEPTION:
N5boost12interprocess22interprocess_exceptionE
The system cannot find the file specified.
F:/Wallets/Bitcoin/bitcoin-...
1
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0answers
33 views
clients that support the Lightning Network? [duplicate]
Which clients, besides Electrum, support the Lightning Network?
0
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1answer
41 views
Bitcoin first versions
Please excuse my ignorance.
I think I purchased some bitcoin quite some time ago within the early adoption phase, back then I think passphrases were non existent, Is there a way to access the old ...
0
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1answer
41 views
Why doesn't Bitcoin use a DHT to store its blockchain?
Why doesn't Bitcoin store its blockchain in a DHT, but instead makes each (full) node store the entire blockchain?
related questions: "Why doesn't Bitcoin use a DHT for choosing peers?" and &...
0
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1answer
47 views
Bitcoin on old version of Bitcoin
I have Bitcoin on an old version on the Bitcoin app; more specifically Bitcoin.org version 0.3.22. I tried to transfer the Coins to a newer wallet, but they don't go through. has anyone had or worked ...
0
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1answer
61 views
Quantifying the long term costs associated with self hosting the Bitcoin node?
In this question I discussed the option of self hosting the Bitcoin node vs. using 3rd party services with API access. I quoted a colleague who said that "for every coin we wish to support, we ...
0
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1answer
78 views
Found old 'key' to bitcoin wallet but don't know which wallet?
I was searching through my email today and I think I found a bitcoin private key from 2013. I think it's a BTC private key because I bought 1 BTC that day. It's 33 letters long but I don't know the ...
1
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2answers
215 views
Pros & Cons of Self Hosting Bitcoin Node vs using a 3rd Party Service?
We are a medium size company building a blockchain application that requires us to interact with the Bitcoin blockchain (+ several other cryptocurrencies). One option is for us to use a 3rd party ...
0
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2answers
21 views
Multiple outputs and different amounts on blockchain explorer when I sent BTC from Crypto.com to Coinbase
So I sent BTC from my Crypto.com wallet to my Coinbase wallet.
I then went on the blockchain explorer to view the transaction and I am seeing an input that is not my address and various outputs which ...
3
votes
1answer
241 views
Can a customized or non-bitcoin node be made to talk to a bitcoin node?
Is it possible to create a node with some different code from the bitcoin nodes but still able to talk to the bitcoin nodes? Is it possible for someone to customize their own node to add some ...
0
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0answers
15 views
How to upgrade the current installed Bitcoin Core on Ubuntu to the latest version (0.21 v) [duplicate]
Just wondering how can I securely upgrade the current version of my Bitcoin Core to the latest released version without losing any data. It is all installed on a Ubuntu VM. The instructions I found ...
0
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1answer
40 views
Connect to custom bitcoind
I have a fully synchronized btc node on my network.
Which mobile apps (android) and desktop apps can I use to connect to this node without running a full node/ daemon on the desktop or mobile? And how ...
13
votes
3answers
3k views
Is bitcoin.org or bitcoincore.org the one to trust?
"Download Bitcoin Core": https://bitcoin.org/en/download
"Download Bitcoin Core": https://bitcoincore.org/en/download/
I've been alternating between the two sites for years. I have ...
1
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0answers
62 views
Single API to Get Fee Estimates for All Major Cryptocurrencies? [closed]
Many sites provide estimates of miner/gas fees for individual cryptocurrencies. For example, EtherScan provides gas estimates for ETH. BTC Network provides fee estimates for Bitcoin.
Both of these ...
0
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0answers
36 views
How to 'move' Armory Wallet with multiple Private Keys to Exodus desktop wallet?
What if the Armory Wallet you are using has 3 separate PrivBase58 keys? How would you import this (move it) into Exodus Desktop? Exodus seems to want one key only when you select the move option from ...
0
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1answer
522 views
Mining Pool hub support cpu miner?
I have a simple/old CPU (like dual-core/Quad-Core) with unlimited electricity and all the other stuff.
I would like to run 10 PCs with CPU mining.
It's better to mine solo or the join mining pool hub?
...
1
vote
1answer
46 views
How is BIP 158 wallet rescanning supposed to work with xpub keys?
A light client implementing BIP158 downloads filters and checks its addresses against that filter. If one matches, it downloads the block.
Now, let's say we have an HD wallet (BIP32), and/or an xpub ...
3
votes
3answers
1k views
Strategies to Reduce High Transaction Fees in a Cryptocurrency Marketplace?
I’m building a cryptocurrency marketplace where users mainly buy and sell small ticket items (worth $10 - $50) using cryptocurrency. However, the "miner fees" are making it prohibitively ...
0
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0answers
37 views
dumpwallet lists HD keys in seemingly random order
I was curious when you do a dumpwallet in the default bitcoin client the output file gives you an xprv and then followed by WIF keys, corresponding address, and the hdkeypath.
I noticed the order of ...
0
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0answers
20 views
Is Smell Bit safe? [duplicate]
I was wondering if this website https://smellbit.com/ is safe to use. I've tried searching it up and got nothing. Thanks!
-1
votes
2answers
41 views
Finding the current statements about bitcoin [closed]
Which of the following statements about blockchain are correct?
A) A transaction is accepted once it is included in some block.
B) A transaction is accepted once it is included in a block that is at ...
0
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0answers
16 views
bitcore RPC Client
How can I use bitcore JS libraries to connect to a full node bitcoin core which is installed and run locally for wallet and transaction management. I think it is through bitcore RPC client. Appreciate ...
0
votes
1answer
41 views
What happens to the bitcoin mining if the device changes?
First I've opened this site via mobile and registered with a Google account. Some time later, I continued to mine bitcoin through my laptop with the same account. Will this device change make it ...
2
votes
1answer
183 views
How to convert PSBT transaction (base64) to raw/serialized (hex) transaction?
Bitcoin Core's CLI has a converttopsbt command used to convert from raw transaction to PSBT transaction but how is it possible to convert from PSBT transaction to raw transaction using Bitcoin Core (...
0
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0answers
42 views
I am new to Bitcoin. Am I being scammed? [duplicate]
I am new to Bitcoin. I got into transaction with this woman I saw on Facebook, Olivia Jessica, a lot were mentioning her in a group so I decided to ask her how to do this thing. She asked me to join ...
0
votes
1answer
71 views
How to resolve eclair-node-gui-0.3.3-12ac145.jar getting CAPSULE EXCEPTION after java update to version 11.0.9.1?
I've been running Eclair node release eclair-node-gui-0.3.3-12ac145.jar smoothly for some time now on Ubuntu 18.04.5 LTS, but recently had an update to the java version i was using to the latest (?) ...
1
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2answers
113 views
Bitcoin Core for ARM-based Macs?
Should we expect in the foreseeable future a Bitcoin Core release optimised for ARM-based Macs?
2
votes
1answer
58 views
how does merkle root building work for empty array?
It's known that even if no transactions get created, bitcoin still creates a block with empty array of transactions.
In this way, I am curious what the merkle root would be. How does bitcoin figure ...
1
vote
1answer
50 views
What RBF policy will be default on SegWit v1 nodes?
What RBF node policy will be applied by default in order for a SegWit v1 transaction to relay when encountered. Full RBF, or Opt-in RBF?
1
vote
1answer
58 views
Taproot - Eliminating Key Path
I want to struct a transaction output the key-path of which I want to be eliminated, so enforcing only the script path. In order to eliminate key-path, in my opinion, I should set "Internal ...
0
votes
1answer
39 views
bitcoincore connect
I have a problem with bitcoin node is that when I want to get out of the full node bitcoin server.
I ran this method and it does not work
curl \
--user myusername \
--data-binary '{"jsonrpc&...
1
vote
1answer
59 views
How does a node send a chain?
I understand that in selfish mining a malicious node can "send its entire hidden chain". Exactly how is this done? I know that usually a single block is broadcast-ed right after it is mined, ...
0
votes
1answer
40 views
NBitcoin Transaction sign(secret, bool) is giving error. Instead of bool it says to pass Coin Object
I am using NBitcoin (I'm new to it) to sign a transaction. Here Transaction sign(secret, bool) method is giving error. (I've searched the Internet, but got no help.) Instead of bool it says to pass ...
0
votes
1answer
48 views
why is bitcoin-qt connecting to port 9051?
Running bitcoin-qt with default policy in the OUTPUT chain to DROP I see lots of packets from localhost to localhost with destination port 9051 being dropped. If I open that port the node syncs. I do ...
-3
votes
1answer
44 views
What should I do with my crippled Bitcoin Core? How can it be this unstable still after 10+ years?
Recently, I've had serious issues with my Bitcoin Core. I've installed old versions and reinstalled the new version and done everything to debug it, but it's just crippled.
It either gets stuck ...
1
vote
1answer
168 views
Where can I find the core binaries for v.0.1.5 to v.0.3.21?
I have been looking for core binaries (i.e. win32-setup.exe & win32.zip & macosx.zip) for earlier clients. Any advice on where they are hosted? They have all been removed from SourceForge.
...
-2
votes
1answer
237 views
“Needed Turnover” / “Missing Turnover” - How to get my money out?
Contact Information: contact@securitycrypto.info
General information support: info@securitycrypto.info
Support and online transaction search with full and detailed information: support@securitycrypto....
0
votes
0answers
20 views
I made a transaction 7 hours ago, the transfer has not yet arrived. I didn’t know that it’s impossible to choose a low commissio [duplicate]
Good afternoon, I made a transaction 7 hours ago,0.0059 BTC, commission 0.0002 the transfer has not yet arrived. I didn’t know that it’s impossible to choose a low commission, because I did it for ...
0
votes
1answer
35 views
In bitcoin-cli getpeerinf call what does “-1” mean as a “synced_headers” or “synced_blocks” value?
Sometimes I see this in getpeerinfo:
"synced_headers": -1,
"synced_blocks": -1,
sometimes it's only synced blocks at -1.
What does that mean?
1
vote
1answer
30 views
getheaders request being ignored by peers [closed]
It seems my 'getheaders' request is being ignored by peers. I've followed the implementation: https://en.bitcoin.it/wiki/Protocol_documentation#getheaders without success.
If I change it to 'getblocks'...
0
votes
0answers
47 views
Question about Electrum wallet file on USB Drive (MacOS)
I have been using a hot wallet (Electrum) for quite some time.
Now, I don't want to lose my BTC, so I have decided to transfer the wallet file from the directory where it is located to my USB Drive. I ...
0
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0answers
21 views
Bitcoin Core GUI gettransaction implementation
The cli users have the option to "getrawtransaction txid true" in order to find valuable information about a transaction that could be theirs. This is a very powerful api call that effectively ...
1
vote
1answer
32 views
Is the index db downloaded from peers or generated locally?
When the user start the Bitcoin client for the first time, it will download the whole blockchain.
But what about the block index (blkindex.dat in older versions) ?
Is it downloaded from peers just ...
0
votes
1answer
196 views
I think I was scammed [duplicate]
A few days earlier, a guy approached me claiming to mine bitcoins and multiplying my bitcoins 10 times.
I invested with $700 and the blockchain wallet after 24 hours showed me $7000 worth bitcoins.
...
2
votes
1answer
34 views
How much of bitcoin core software can be custom written at miner's end and how much of the code you can't touch? where does bitcoin draw the line?
I've read bitcoin content everywhere on the internet and nobody has yet demystified the fact that different versions of bitcoin core are working simultaneously. I know how soft forks work and how they ...
1
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0answers
264 views
ThreadRPCServer incorrect password attempt from 127.0.0.1:34810
I am reading Mastering Bitcoin book, and on:
https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc#full_index_node
there is a call to bitcoin node:
$ curl --user myusername --data-...
