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Questions tagged [wallet]

This tag should be used for questions that pertain to wallet software. A wallet software is a piece of software which manages users' keypairs, addresses, and transactions. Wallet software also allow a user to send and receive Bitcoin.

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1
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1answer
163 views

Bitcoin Wallet Creation

I'm new to this Bitcoin and everything seems confusing to me. I have a requirement where I need to create wallets for every user in my application screen. So, he will transfer some Bitcoins from ...
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2answers
133 views

NBitcoin, how to implement wallet restoration? How does it work?

at first sorry for my ignorance, I have little experience at bitcoin programming. Im trying to implement a very simple wallet using NBitcoin library. I have done some work, but now Im stucked with ...
0
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0answers
56 views

How to create generate addresses for multiple crypto currencies

I am trying to understand how to generate addresses from 1 mnemonic for multiple cryptocurrencies. I needed a read-only wallet, so I guess I need to use an xpub key. But I am struggling to ...
18
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5answers
18k views

How to decode private key from Android Bitcoin Wallet?

I want to import my private key from the android's Bitcoin Wallet (the one created by Andreas Schildbach) but it can export it only in an encrypted way. How do I decrypt the file so I can import the ...
2
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1answer
343 views

Broadcast a Transaction

I have a: Wallet public/private key pair with X BTC Wallet Address I want to sent Y BTC to I'm developing an app in NodeJS and trying to initiate payments automatically. I'm very confused how I'm ...
0
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1answer
35 views

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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0answers
11 views

Transactions unconfirmed by bitpay wallet bugging. Please help! [duplicate]

I made a mistake by spending 0.0117 btc while it not full confirmation (4/6). After that was some broken Transactions so I could not send my fund. The decide to try one last time, I log on and saw ...
0
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1answer
24 views

Hash of backed up wallet file not the same as hash of wallet currently in use

A couple of months ago I had backed up the wallet.dat (I use bitcoin-qt) file and saved it some place else. Lately I've opened the data folder for the current running node (also bitcoin-qt) and I ...
0
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2answers
65 views

I’ll pay whomever can help me Bitcoin Cash from blockchain wallet to Coinbase wallet with Bitcoin address [duplicate]

I've read now a 100 or so questions here with no clearcut answer nor update after they were given advice. I had money in my Bitcoin Cash wallet on Blockchain. I wanted to send the money to my Coinbase ...
0
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0answers
66 views

recovering wallet [duplicate]

0 I am not exactly sure what I need to do and I do not want to accidentally overwrite my disk. I may have already done so. After searching my web history I have found the BTC address that my BTC is ...
0
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1answer
40 views

2nd 'air-gapped' computer / cold wallet setup for travel

I travel quite a bit and don't want to lug around a 2nd 'air-gapped' computer. I know that connecting a hardware wallet like a Ledger Nano S to the Ledger Live desktop app running on a computer that's ...
3
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1answer
30 views

What's the consensus on using a non-networked VM as a cold wallet/airgapped computer?

I'm wondering if connecting a hardware wallet like a Ledger Nano S to the Ledger Live desktop app running on a computer that's connected to the internet not considered a 'fully cold' wallet setup. How ...
0
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0answers
37 views

How to integrate bitcoin address generator into website

I want to integrate a bitcoin accounts and address generator into my website, similar to those found on crypto exchanges. Users can generate addresses and have their own accounts. Is there an open ...
1
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2answers
28 views

Background information on warning, when closing wallet in pruned mode

What are the implications and reasons behind this warning on gui popup, when closing the wallet: "bitcoin closing the wallet for too long can result in having to resync the entire chain if ...
2
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1answer
222 views

Recovery of a corrupted wallet

I have a very old wallet.dat that I've put into my .bitcoin folder. When trying to run bitcoind, the service stops giving the following error 2019-06-11T18:14:02Z Using wallet directory /home/nom/....
0
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0answers
24 views

Import private key from coldstorage wallet.dat to hotwallet wallet.dat?

What is the recommended procedure to make coins from coldstorage accessible. Assume latest wallet.dat v18 and prv1/pub1 key pair (like shown in dumpwallet). Now i have a hotwallet and would like to ...
1
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2answers
128 views

How to check the balance of the list of 1 million Bitcoin Addresses?

How to check the balance of the list of 1 million Bitcoin Addresses? Is there such a program?
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0answers
27 views

why a specific transaction value and it's output address which is sent from a specific IP address, returns from another address to that IP address? [duplicate]

I wrote a code to extract bitcoin output addresses and their values from TX messages of the bitcoin protocol. to test it, I prepare this scenario: first I send a specific bitcoin value(for example A ...
2
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1answer
58 views

bitaddress.org paper wallet vs. single wallet

After generating a single wallet (at bitaddress.org), the paper wallet option at the top shows a different public address? Why is the public address different?
2
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2answers
32k views

How to move bitcoins from an exchange into my wallet?

Completely new to this. Bought some Bitcoins from Bitcoin.de and received confirmation that the trade has been completed and they show me my balance. Downloaded a wallet from Bitcoin-QT. That's fine. ...
3
votes
1answer
93 views

Is there a flag or specific message in a bitcoin pcap to show us our bitcoin transaction is confirmed or not?

Assume that I send a specific value from a source wallet to a destination wallet and simultaneously capture the input and output traffic with Wireshark. I can extract output address and it's value ...
0
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0answers
37 views

My Bitcoin client has stopped syncing

As you can see my client is stuck on 99,7% with unknown. Syncing Headers(577895), It has been in this state since last day synced(which you can see). How can I get it to work since I have plenty of ...
0
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0answers
48 views

Sign a transaction with multiple inputs on coinb.in

I'm having trouble signing a transaction with two inputs on https://coinb.in. If I select the Sig Hash Type "All (default)" on the Sign tab and sign the transaction with the private key for one of the ...
0
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0answers
16 views

I need help please [duplicate]

I sent my bitcoin to a bitcoin cash wallet. But it’s the same address as my bitcoin, the wallet is just a watch wallet and my money is just sitting there how do I get it Help me please
0
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1answer
260 views

Trying to access an old wallet.dat

So I found my old mining wallet from 2012 that I earned some 0.5BTC on, but I'm having trouble accessing the file. I've tried following the instructions here (opening an old wallet.dat), but I'm ...
15
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5answers
28k views

How many MB of data does my bitcoin client have to download to be fully sync'd?

Best guess/calculation? I transferred some bitcoins to my new wallet after generating an address. This was this morning, and have had my bitcoin wallet syncing all afternoon (5 hours), so far it has ...
19
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6answers
8k views

What is the longest known vanity address generated?

Anyone can generate a vanity address of arbitrary length with appropriate tools, it's just a matter of performing enough computations. What is the longest known vanity address anyone has generated?
1
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0answers
88 views

Online wallet for betting / customer profile?

I am looking for a system that provides users with the option to deposit and withdraw BTC to a generated address. Basically something that works like https://primedice.com/play and https://dicecoin....
0
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0answers
43 views

How to communicate with encrypted bitcoin wallet using bitcoin-core in NodeJS

I have a full node running in my local system and I am using this library named bitcoin-core to communicate with the bitcoind server. Now I have encrypted my wallet with a passphrase so I understand ...
0
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0answers
40 views

Why does binance send a small amount into another utxo while sending to cold wallet?

I believe the address 1NDyJtNTjmwk5xPNhjgAMu4HDHigtobu1s belongs to Binance. If you look at this transaction for example https://blockchair.com/bitcoin/transaction/...
0
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1answer
42 views

incorrect passphrase

Here's goes the steps that lead me to a wallet passphrase error: OS: Mac Mojave (64bits) Started bitcoin-qt app to sync (long outdated) While managing to solve disk size errors (external drive), I ...
0
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1answer
105 views

How to create valid P2SH-address with Bitwasp-Library that can be used with Electrum?

There is something I didn't understand regarding different Address formats. In short: I create a Master key, import it via xprv-Key into Electrum, generate P2SH and P2WSH-Adresses, send Coins to it ...
0
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2answers
41 views

HTC Exodus - New phone Capable To Run Full BTC Nodes - is this possible?

https://mashable.com/article/htc-exodus-1s-blockchain-phone/?europe=true Hello people. I read about the above linked article on a new HTC blockchain-capable smartphone. Now my 2 questions are: 1)...
1
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1answer
506 views

What to do when a website says that my bc1… address is invalid?

I used local Bitcoins wallet to send bitcoin to my bitcoin wallet. But it said wrong address
2
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1answer
448 views

Bitcoin Core Old Wallet.dat Vulnerability

Own a wallet.dat file from 2010-2011. Yesterday I saw there was a vulnerability which is makes attacking somewhat easier if your wallet is generated by old client and I'm pretty sure my wallet is ...
0
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0answers
21 views

Multibit key file

I have a Multibit wallet file, key file and a backup but can't open these with the password that I have. I can open the key file and backup in a plain text editor like notepad and ++. I keep reading ...
11
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9answers
37k views

What is the best way to purchase Bitcoins quickly? [closed]

What is the best way to purchase Bitcoins quickly? I don't want to wait a month.
0
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1answer
20 views

Address change confusion

I registered to a client with a Bitcoin address on Blockchain.info and after some time that address I registered with was changed. I need to pay a fee to the client. Will it reflect to them that even ...
0
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3answers
2k views

Recovering LTC coin sent to a BTC address

I have mistakenly sent LTC coin(Using bittrex) to my BTC wallet(Zebpay). I have not received the coins yet. The transaction is showing 6+ confirmations on blockcypher and not showing anything in ...
0
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0answers
85 views

Recover BTC sent to unrecoverable wallet

Disclaimer: I know I'm not likely to get an answer that will result in my getting the coins back, I'm just sing my due diligence in trying. I sent coins from my Paxful wallet to an Electrum wallet to ...
0
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1answer
32 views

Inbound requests after opening Electrum

A few days ago, I was exploring Electrum (Android) out of curiosity. A few moments later, I get notified by our firewall that it flagged several suspicious inbound requests. The source IPs came from ...
2
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2answers
566 views

What Bitcoin wallet will allow me to participate in an ICO?

I have bitcoins stored in an online Coinbase wallet. I've read this wallet should not be used for investing in an ICO as this will be Coinbase's wallet (not mine) and I won't have access to the ...
2
votes
3answers
174 views

Can someone please explain the meaning of “neutrino” within the lightning network?

Rene Pickhardt wrote the below quoted comment in another thread about whether a mobile wallet can be both a full lightning node and wallet at the same time. I have many lightning nodes running but ...
0
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1answer
94 views

I mined in early 2010 with a cpu miner and just found my keys after forgetting all thease years, no joke need info please

who is the best most reputable bitcoin recovery company? I have added details and questions about our situation below Thank you And God Bless what was the mining program from the devs back then? I ...
2
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1answer
50 views

Could LN wallets be seamless?

Currently, the funds deposited in a payment channel cannot be sent on-chain without closing the channel. Similarly, the user must open a brand new channel in order to deposit some on-chain funds into ...
7
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1answer
401 views

Could Neutrino technically as side-effect, incentivize centralization of the bitcoin network?

TWO questions on Neutrino:: 1) Could Neutrino technically as side-effect, incentivize centralization of the bitcoin network? Or other formulation: ...hinder higher degree of decentralization? Why ...
1
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3answers
6k views

Is the bitdigger chrome extension fraud?

Today, while I was watching a video on YouTube, I found the video on the bitdigger extension that mine bitcoins with chrome browser. I just want to know if it is fraud or legit? Is it possible to mine ...
3
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2answers
96 views

Watch Only Wallets

I don't understand the point of a Watch Only Wallet. I've seen posts that state these wallets don’t contain any private keys, which means they can’t be used to spend coins they receive. In which case ...
1
vote
1answer
118 views

SPV clients and full nodes

Suppose an SPV client goes offline at block X (meaning it has block headers until block X) and then comes back online when the blockchain is at block Y. At that point, it needs to resynchronise its ...
0
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0answers
119 views

iOS wallet with Bech32 and Xpub keys

Is there a iOS bitcoin HD wallet with Bech32 support and access to your extended public and private keys out there?