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1.676 wallet questions.

I have an old wallet.dat file which was encrypted in October 2012. I don't have the exact passphrase but I have a rough idea. I was wondering if anyone knows how to get the passphrase requirement for ...

I have created one full node bitcoind on my VPS, that one is serving application A. Now I want to create application B that has another node but on same VPS. is that possible to install multiple ...

Funds were sent from another wallet to my wallet, but i didnt received the funds, please help

Crazy thing with Copay: This is it, except that my last transaction is 11$ not 600!! If someone know the bug and how to correct it... I'm all ears!

I transferred litecoin from Coinbase to my LTC Wallet. I downloaded the wallet from Litecoin.org and it says it has to sync first before it can accept the transfer. Currently, it says that it is about ...

Previous ardor versions worked fine. Just installed Ardor 2.0.7e on my ubuntu 14.04 and 512mb ram system. But I'm getting a java heap space error. I'm assuming its a memory issue. How can this be ...

I'm trying to generate the address 38DGj87axzmQiZeAd1w1y5FEmuu5a7pfBa in my bitcoin core wallet with code. First, I dump the private key from the address, then I calculate the address from the ...

I don't know how to get a bitcoin or cryptocurrency wallet address. Can anyone help me with that information?

I have read that the blockchain is a series of transactions that record one person giving bitcoin to another. Please correct me if this assumption is wrong as it is the basis for my question. So, ...

I've always wondered how wallet clients can receive the corresponding amount of Bitcoins so fast. If I want to know how muc Bitcoins I own, I have to parse the complete the complete blockchain to ...

is there a way to have BTC sent from somewhere to my wallet and then that amount is immediately transferred to USD? I know that Coinbase offered this once but they have since removed that feature. I ...

There is a list of top richest bitcoin wallets at this moment. How can I find the list of top richest wallets on other dates in the past?

hardfork is coming. Is there any risk to use an application? I will have the same bitcoin balance after fork's procedures are completed?

I have had a bitcoin core wallet on windows for a long time. For most of this time I have been inactive. My client has gone out of sync and my wallet sat on my computer as well as a backup on a usb ...

I have followed the guide "Building headless Bitcoin and Bitcoin-qt on Windows" but with a more recent altcoin source code to test. The compilation stop on ld.exe: cannot find -lsecp256k1 Is one ...

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 ...

I have some bitcoins and ether at Blockchain.info and I am really scared of losing them. How do I best secure them? Right now I have a paper with the code to restore my wallet, but my coins are still ...

Not sure this is the right forum for this, but I thought I'd ask out of desperation. I have the following error when trying to sync my teslacoin wallet. I managed to sunc about 6 weeks ago, however ...

I am using the NBitcoin Library to program a simple Bitcoin Transfer Program in C#. The Program will take the coins from a Transaction ID and then Transfer it to a Destination Wallet Address The ...

Which bitcoin wallet should I use to manipulate it programmatically? I don't want to use heavy bitcoin-core. But as I understand there are different kinds of bitcoin's thin clients: some outsource ...

Is it possible 2 maintain a single Multibit HD wallet on two devices? Assume a laptop and phone. My first thought is to install MB HD on the second device and create a new wallet using the original ...

I have 0.98 BTC confirmed, but my wallet only lets me send 0.1 BTC. My wallet has received a lot of small payments, what can I do? Thanks

I am registering some addresses as watch only addresses and I would like the ability to reset my wallet without having to sync again. Can I just delete my wallet.dat? I use Bitcoin Core version 16.1. ...

I have been given " Watch only Address" by one of my friend.. To make the funds credited into my account or to use the BTC. What is way to get the Private Key..? Do we need to pay anything for the ...

Say that I create a 2/3 multisig wallet using Copay. Can I store all three keys on different Ledger devices? Can I store all three keys on the same Ledger device?

As a relatively new user, I have only generated a handful of public addresses. Usually, to move to a newly discovered and preferred wallet. I’ve only recently learned that a single seed phrase can ...

I have an classic Multibit wallet, but I don't remember the password. I do have 12 words that I wrote down. Is there any way I can open my wallet?

I am trying to transfer my electrum wallet, which was imported from MultiBitHD. I just found out that Electrum is not compatible with other wallets since it doesn't use a BIP39 seed. Can I use my old ...

Can I send bitcoin from my paper wallet to my hardware Ledger wallet without using blockchain wallet?

I am using Copay wallet, and feel comfortable with it. Now, the tricky part is to send my Bitcoins to my Trezor wallet. Any feedback on the subject? Regards

My son made both of us each our own bitcoin wallet, and showed me how to use the faucets. With me being disabled and sometimes not being able to get out of bed because of pain; He thought it would ...

Wondering if you can help me out with question.. I was mining litecoin with WemineLTC some years ago... I am aware that they have now disappeared from the market.. I have or had 10 coins which were ...

Is there a way to send bitcoins programmatically without the bitcoin client using PHP?

Each time I send some btc to another bitcoin wallet there is a second transaction on the same transaction ID (hash) and each times i am loosing around 75 USD. You can see by yourself here; https://...

In Bip44 "Account Discovery" section, there is following sentence: We scan just the external chains, because internal chains receive only coins that come from the associated external chains. (...

My phone recently died and I had to reset it all the apps. I tool the 16 character reference I was given in Copay to reinstate my wallet, but there is NOWHERE to put the 16 characters code. Have I ...

I am trying to create a wallet using electrum for an altcoin that uses the Scrypt algorithm. I am looking around for tutorials that can show a step by step process on how to create a simple wallet for ...

I was into bitcoin years back. I just stumbled upon my wallet number and passphrase. Can I use these info and sort of log-in using any client I can download online?

I understand the importance of having secure code and your customers trusting your brand. What I do not understand is how do open source blockchain companies like Wallets stay competitive when their ...

I've recently found a web which allows to create ripple paper wallets. The website is bithomp.com. At bithomp.com there are several buttons. My question is: what's the difference between the Account ...

I want to create new wallet using Electrum-apis. I have gone through the documentation given here but didn't found any method to create a new wallet or an address. Can someone please clarify how I ...

I'm familiar with the basic RPC commands, but I'm having trouble retrieving/adding an address to a wallet, using purely RPC calls (i.e. bitcoind only, not bitcoin-qt). My understanding is that ...

I was on KuCoin and accidentally sent BTC to the BCH address (thinking I was buying BCH). Of course nothing shows in the BCH wallet on KuCoin. I can see it on the blackchain but cannot access it.

Bitcoin addresses are essentially 160-bit hashes of a 256-bit public key. Huh? How can all possible numbers in 256-bit space be squeezed into 160-bit space? Does that mean any given bitcoin address ...

I want to create a web wallet for bitcoin in which anyone can create their account and do the transactions but my node allow me to create one desktop wallet only. so i am not getting how this ...

How do Bitcoin ATM's work? I have a wallet on my computer and wanted to know how would the bitcoins there be transferred to the ATM and exchanged for cash. Could somebody explain this process to me?

How does my wallet allow me to double spend? As soon as I make a payment, shouldn't my wallet delete those bitcoins or does it leave them until the transaction is added into the blockchain?

I bought Bitcoins from the Robocoin ATM (I'm told it's the only one) and it gave me a receipt with a QR code to scan into my wallet. I downloaded Blockchain, but don't see where in the app I can scan ...

i'm noob to bitcoin and lack advanced knowledge of how these wallets work. i followed guides on how to buy bitcoin and seemingly the transaction went fine, until my electrum wallet suddenly closed and ...

Terabox.me has HTTPS. From Coinbase anyone can send money to Terabox.me and topup the balance. After making the topup the money is stolen. When you try to contact them they do not answer. Nobody shut ...

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