A database containing the keypairs associated with a user's Bitcoin addresses, a list of transactions related to those addresses and various user preferences and keys.

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0
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1answer
11 views

Can you reset 'used' addresses that were actually never used?

Bitcoin RPC command getnewaddress returns a P2PKH address from the keypool, and marks it as "used" so it will not be returned by the same RPC call again. I'm going to be doing a lot of testing on ...
0
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1answer
13 views

Restore a wallet from an external drive?

I have an external drive where at some point I did a complete backup of my (linux) home directory. There's a directory .bitcoin. I now have a computer, and I just installed bitcoin-qt and other ...
2
votes
2answers
20 views

Is there any wallet that allows safely storing private keys in an offline computer?

I have a computer that is 100% disconnected from the internet. I'd like to: Generate my own private keys by dice rolls; Import them on the offline computer wallet; Send coins to their addresses; ...
1
vote
0answers
15 views

Wallet loses the money to be restored in bitcoinj

I have a problem when using the library bitcoinj. When I restore a wallet from a backup, if it has received money in some of his addresses to synchronize with the blockchain, the money does not ...
0
votes
1answer
19 views

How do I move my wallet from Windows 7 to a new Windows 10 machine?

Previous answers say set up a new wallet with new address and transfer bitcoins to new address, is this the only way of doing it? I don't want to wait days for the new wallet to download blockchain ...
-1
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0answers
36 views

I rest my computer

I reset my computer and lost my bitcoins that were attached to chrome extention called Kryptokwallet what do I do get find my bitcoin
0
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1answer
33 views

setting up and verify a wallet under special circumstances

A friend of mine has a problem in verifying a wallet for the following reason. Since about 40 years he has been denied a passport and a normal ID card by the german authorities after he handed in his ...
0
votes
1answer
37 views

Bought Bitcoin from ATM, haven't showed up

I made two transactions at a BTC ATM, one of around £80, the other of £10. It has now been >3 hours since the transaction was made. However, only the smaller transaction has appeared in my Bitcoin ...
0
votes
1answer
20 views

How the restoring of wallet does?

I was trying to learn working of bitcoin and trying to understand the working of bitcoin wallet. In an HDWallet what I can see the behaviour is it will start with an address and we can add addresses ...
1
vote
2answers
42 views

Multiple public keys - Total received funds

If I create a new public key (Bitcoin Address) for every transaction I'm receiving, is there some way to find my total balances of my wallet/private key? And are there any downsides with creating ...
0
votes
2answers
14 views

How do I export my private key on MultiBit

I am using Multbit on my desktop, and I want to use my wallet on a another device like my phone.
1
vote
1answer
43 views

Are there any web wallets around with open APIs?

For a long while, blockchain.info offered a web wallet with a convenient web API, but it recently turned out that it now requires an installation to function. I'm wondering - are there any other ...
1
vote
1answer
29 views

Import Multibit HD Wallets

I have 4 wallets in Multibit HD. I have password, secret words and time stamps for each wallet. I want to move to a new computer, I know that I can use RESTORE button in Multibit HD. but I am afraid ...
3
votes
2answers
58 views

Will Confidential Transactions allow us to reuse addresses safely?

It is often said that, due to the natural transparency of the blockchain, one should have a multi-address wallet and try to not reuse addresses, so that the user's transactions are not so easily ...
2
votes
1answer
32 views

Proving collisions on Bitcoin addresses without discovery of the private key?

If there is a private key that leads to a collision on an address, it is possible to show that the private key is not the one used previously, even though they have a collision on the address? ...
0
votes
0answers
46 views

Blockchain.info may have created a bad private key

A few weeks back, a client wanted to pay me in bitcoin so I created an account at blockchain.info. The transaction went through and the coins show in my account. When I tried to use it however, I ...
1
vote
1answer
26 views

QT to Core wallet

I have Bitcoin core wallet synced, my original wallet was bitcoin QT version 0.7. My Bitcoin QT wallet never synced and i tried receiving my bitcoins. Now that bitcoin core has synchronized how do I ...
2
votes
3answers
82 views

Is it important to have an unencrypted backup of the private key?

Am I correct that in not having our private keys written in paper or otherwise backed up we are implicitly trusting the wallet developers to keep publishing wallet versions that are capable of reading ...
1
vote
1answer
54 views

Are there any complete Bitcoin systems?

It seems to me that to keep Bitcoin both decentralized and secure, the whole of the Bitcoin process should ultimately depend on each user, or rather, that the involvement of each user should ...
4
votes
2answers
145 views

Transact Bitcoin with no internet

An issue I find when I travel is that I would like to visit a cafe that accepts Bitcoin but because I am abroad I usually don't have an internet connection on my phone. I could use WiFi but what is ...
2
votes
1answer
30 views

MULTIBIT: How to restore wallet with following information?

I am a noob to this whole BTC thing, so please bear with me. I reformatted my computer and lost everything on it. I decided I want to restore my multibit wallet but I only have the following info: ...
3
votes
1answer
62 views

What's a good way to “swipe” all funds into a secure wallet while hiding common ownership?

I'd like to move all funds into a new, safe wallet. I could just send all funds to a new address in the destination wallet. That would disclose shared ownership of all source addresses, though. How ...
0
votes
1answer
42 views

Can Armory be used for mining?

Can Armory be used for mining? I hear it is a wallet, but as it downloads the whole blockchain anyway should not you be able to mine with it, too?
3
votes
1answer
33 views

Derive new public keys from a public key?

This article says you can generate new public keys from an already generated public key. How is this possible? https://bitcoinmagazine.com/articles/deterministic-wallets-advantages-flaw-1385450276 ...
1
vote
1answer
36 views

What causes the wallet functions to be disabled?

I have run bitcoind as a server on one host. On a second host, I have configured bitcoin-cli to interact with bitcoind. However, all wallet commands are now disabled with this new configuration. ...
1
vote
1answer
12 views

Export all address from bitcoind on one server to bitcoind on another server

I need to install bitcoind on a new server, but I already have many addresses in use on the old server. If I want to reuse all of those addresses on the new server, do I need to copy just the ...
0
votes
0answers
36 views

I get in bitcoin-qt wallet is encrypted and unlocked now,what I should do next?

I get for my wallet in bitcoin-qt wallet is encrypted and unlocked now.What I must do for wallet will decrypted and unlocked?I have some coins in wallet,I know passphrase,how send my coins to other ...
1
vote
1answer
41 views

Do I need to keep updating my wallet address in faucets?

I notice that my wallet address keeps changing and I am wondering two things: Why does the address dynamically change? Do I need to update the wallet address in the faucets I use in order to receive ...
0
votes
2answers
71 views

Bitcoins never showed up in wallet. Yet sender says transfer complete

I've used a site called bit trade australia to buy and send bitcoins to a wallet on blockchain.info. Successfully three times this month, trusted too. Yet this time (after receiving an email from ...
-2
votes
1answer
24 views

Wallet account value

I have some money in my Bitcoin wallet. I'm wondering about is the monetary value which increases and decreases as the value of 1 Bitcoin fluctuates?
3
votes
2answers
118 views

How to find out where I sent my coins in 2011?

I got into Bitcoin a while ago. 2011-ish. I build a miner and got a number of coins. My storage wallet shows that I moved 4 coins to {long code} but I don't remember where I sent them. Is there any ...
1
vote
2answers
88 views

Can I see a transaction sent to me if I haven't downloaded the whole blockchain?

Last received block was 12 weeks ago, and I'm still syncing. I have moved some bitcoins to this wallet from another, but I still can't see it in my inbox after a day. Is it because I don't have all ...
0
votes
0answers
7 views

How to get notified on my phone when I recived bitcoin [duplicate]

I used IFTTT but now they are going to get rid of it
0
votes
1answer
45 views

Does blockchain.info wallet or mycelium wallet use Bitcoin core?

And if so what version? I am asking because on a website it was talking about invalid blocks and how you should have a newer version of bitcoin core for some reason. ...
0
votes
0answers
41 views

Coinbase API: Create bitcoin wallet for app registered users

I am a PHP newbie. I want to develop a web app to store,send,retrieve bitcoins. I need to create wallet for each users. Our idea is to use any online wallet service such as blockchain.info or ...
1
vote
1answer
26 views

Do web wallets keep customer accounts isolated?

Say there's an online wallet or exchange or some site, and they give me an address to send my bitcoins to. I get the public address but not the private address because technically those bitcoins are ...
0
votes
1answer
34 views

Bitcoin-QT issues with non standard filesystem

I'm having issues with blockchain catchup that I believe to be related to the underlying file system. Symptoms: Significantly behind the network, start client and begin catchup. Catchup proceeds for ...
1
vote
0answers
58 views

Ledger wallet transactions missing from blockchain

I purchased a Ledger wallet and have used it for four transactions: three in and one out. The first two transactions (one in and one out for the same amount) are appearing on my Ledger wallet ...
0
votes
1answer
50 views

Trouble using existing .wallet with MultiBit HD

I have an existing .wallet on my PC. I want to use this with MultiBit HD. Is it possible to use this wallet instead of creating a new one?
2
votes
1answer
112 views

Electrum wallet shows zero balance

I sent bitcoins to an offline (air gapped) electrum wallet. I have blockchain.info proof the transaction took place and verification of the balance in the wallet (i used a watch only address to view ...
1
vote
1answer
61 views

Problem getting bitcoins into Bitcoin Core on Mac

I'm using Bitcoin Core on a MacBook Pro. A few month ago my computer crashed and I lost everything, so when I got a new computer I reinstalled Bitcoin Core but now I'm having an issue getting my ...
2
votes
1answer
235 views

OSX Bitcoin Core frozen on login while “Activating Best Chain”

I recently downloaded Bitcoin Core for OSX, sent a payment to my wallet address, then waited for the client to complete a sync. About 2 days later and w/ only 8 weeks to go, the client froze. Upon ...
2
votes
1answer
85 views

How can I find my Bitcoin address on Airbitz?

I'm new to Bitcoin. I'm using Airbitz on my phone and I need to find my wallet address.
1
vote
0answers
80 views

How do I import my wallet.dat file into a new wallet? [closed]

I have my wallet.dat backup file, but Bitcoin Core isn't able to verify it. How do I retrieve my backup?
1
vote
1answer
226 views

How can I recover a blockchain.info wallet without the wallet identifier or the mnemonic?

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 ...
3
votes
1answer
100 views

How to secure my Electrum wallet?

What I did is put a password on word document and put the seed words in there and then put the file in google drive. I can't think of any way I can lose it. I can't think of anyone stealing the money ...
1
vote
0answers
40 views

Getting Bitcoin address from Android Bitcoin wallets

In the android app that I am developing, I need to send a request to check if other Bitcoin apps exist on the user’s phone, and if that is the case, I need to get the user’s Bitcoin address from the ...
1
vote
0answers
30 views

Bitcoinj: Multiple wallets

In my Java application I am now required to handle multiple bitcoin wallets (HD wallets?). This means sending and receiving BTC. Unfortunately bitcoin is quite new for me, so there are some questions: ...
2
votes
0answers
47 views

Cannot obtain a lock - Already deleted lock file

I am trying to open Bitcoin Core of "Cannot obtain a lock on C:User/App..." I deleted the lock. file like previously suggested but cannot find a solution after that! If I reinstall will I loose the ...
2
votes
1answer
61 views

Copying my Blockchain account to Multibit

Please can you tell me if it is possible to transfer my Blockchain account to Mulitibit.I want to keep my bitcoin address but back it up on Multibit.