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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Safety of wallet setup

I just set up my Electrum wallet using live instance of Tails Linux distribution. I've written down the seed on the paper (and I remember it as well) and restarted laptop. I plan to do all Bitcoin ...
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1answer
28 views

Cannot check balance with blockchain.info API

I tried below code and gave valid credentials, but we could not get the response of balance check. What would be the solution? <?php $guid="xxxxxxxxx"; $main_password="xxxxxxxxx"; $json_url = "...
1
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1answer
30 views

The randomness of vanitygen is secure enough?

If two people running vanitygen 1abcdefg What is the chance that both of the person will get the same public key & private key? I hope that the answer is less than 0.0000001. But for this ...
2
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1answer
24 views

What is it mean Difficuly & prob when using vanitygen?

I am running this command $ vanitygen64.exe 1abcdefg Difficulty: 778316249440 [125.17 Kkey/s][total 39015067414][Prob 4.9%][50% in 46.3d] What is it mean Difficulty? I understand that higher takes ...
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0answers
22 views

Bitcoin Core v0.12.1 wallet. Steps to diagnose “No block source available”?

I know that there are other similar questions, but I have been unable to understand and apply there answers sufficiently to the issue I am having. My client Bitcoin Core v0.12.1 running on Windows ...
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1answer
26 views

Noob questions about transfering and offline security

I created a wallet on a USB and one with coinbase. I bought a bunch of bitcoin on coinbase and transferred .01 bitcoin to my USB wallet to make sure I transferred it right before I transfer ...
2
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1answer
39 views

Is it safe to import my private key into another wallet?

I sent some bitcoin to my bitcoin core wallet before it synced, not knowing this sync would take days, and was wondering if i was to import my private key into a different wallet if that would work?
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1answer
16 views

minimal transaction for gandi.net

I'm registering with a few different bitcoin sites. I notice that, at least according to older questions, paypal isn't generally accepted. Is there a simple way to buy a few US dollars worth of ...
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0answers
28 views

Does multibit HD still work offline and is it safe to connect to transfer funds?

I am new to the whole bitcoin situation and have some super noob questions. I watched this tutorial for creating a multibit coin wallet on a USB stick https://www.youtube.com/watch?v=2qmOM567BF4 . I ...
0
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1answer
29 views

Configuring Windows Bitcoin Core Wallet for use on Tor

I use Bitcoin Core v0.12.1 (64bit) for Windows as my desktop wallet for transactions on the regular web. I am just getting set up to use Tor. I would like to configure Bitcoin Core for use on Tor as ...
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0answers
26 views

which is cost effective running a bitcoin exchange or bitcoin atm [closed]

I seriously want to start a bitcoin business and desire to have good returns in a cost effective way. I have been doing my research on been a bitcoin exchanger or partnering with one when I came ...
0
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0answers
14 views

Is it possible to perform split payment in bitpay

Hi all coming to the question am using bitpay payment in my project..Is there any possible to perform split payment using bitpay For example am performing bitpay payment for 100 usd for one wallet ...
0
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1answer
28 views

Which method/programme can create a wallet using the least amount of space?

On a first attempt to create a wallet with bitcoind, the process failed after filling the 160 Gb available in my home disk. Which method or programme would allow me to create a wallet using the ...
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0answers
24 views

Incorrect balance after upgrading from Core 0.8.3 to 0.12.1, even after syncing with network

I've just upgraded to version 0.12.1 after working with 0.8.3 for ~3 years and I'm getting about 1.5BTC lower than what it should be, even after network synchronization has completed. It's the same ...
1
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3answers
36 views

Is it normal not to see my sending/receiving addresses while the bitcoin client is syncing?

I am using bitcoin core on windows 7, it takes forever to sync and during this time I cannot see any sending/receiving addresses in my interface, I only see "balances" (empty), "recent transactions" (...
0
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0answers
16 views

Accessing bitcoin wallet electrum

I created a bitcoin address, and had someone send bitcoin to it, and then tried to set up a wallet in electrum for that address. Unfortunately, in doing that I was only able to create a 'watch-only' ...
0
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3answers
69 views

Which bitcoin wallet allows me to generate and export a large number of addresses?

I need a software Bitcoin wallet (not web account based) that allows easy generation of many new payment addresses at once that are ideally stored in plain text, (bulk exported as plain text). The ...
0
votes
1answer
28 views

Sent wallet to desktop [duplicate]

I had bitcoin core and dummy me deleted it but I sent my wallet to desktop and now I have a new wallet, are there any way to get the wallet that is on my desktop back into bitcoin core? I tried to ...
0
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0answers
27 views

Stuck trying to set up MultiSig wallet in Electrum

I installed Electrum on both my pc and android, and on the pc I told it to create a multisig wallet. It wants the other master key. I created another wallet on android hoping I could use the master ...
0
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1answer
22 views

Transferring Many Bitcoins without restoring a seed..Read

So I was thinking about how would someone transferring a handful of bitcoins say 10 or so to a new hardware wallet. so the situation is this. Say you have 10 coins and want to transfer those coins ...
6
votes
2answers
203 views

I cant remember where I got my Litoshi address. Is there a way I can find it because boxlit transferred my litoshis already

I saw the transaction through block.io . I dont think i got it there(block.io). I did not write it down because I always save my username and password in websites i register and sign but the problem ...
0
votes
1answer
28 views

Electrum setup problem

I was trying to install electrum, and for some reason, I wanted to see what multisig wallet was, and now I'm stuck on the master public keys window, I can't cancel and select standard wallet. Every ...
0
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0answers
42 views

Help Recover wallet [duplicate]

I have posted this Question before but could not see an answer. I backed up my bitcoin on a usb and via email, however, when I try to open it I get an error message from Adobe Reader that it is unable ...
8
votes
2answers
229 views

How can I use bitcoins on deposit?

I had received bitcoins before my wallet was fully synchronized and it took several days for it to finish the process, so I decided to deposit the bitcoins in another wallet. Now I can see they are "...
5
votes
1answer
107 views

What is the wallet “word seed” that is commonly used in popular wallets clients and what does it do?

I've been using a pretty old version of Multibit classic and recently decided to upgrade. I tried out Multibit HD and Electrum and noticed that both have me set up a wallet with a "word seed". It's ...
3
votes
1answer
99 views

Why was Armory and Blockchain wallet removed from bitcoin.org?

I would like to learn from other's mistakes and avoid problems in the future. The page which shows available wallets is https://bitcoin.org/en/choose-your-wallet
3
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1answer
31 views

Mnemonic seed language options

How many languages are mnemonic seeds currently offered in other than English? Does the entropy for different languages depend on the number of words the relevant dictionary has available to draw ...
0
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0answers
44 views

Bitcoin core keeps crashing while loading

I updated bitcoin core recently, it worked perfectly fine until yesterday when I came home I found a crash notice, I tried to reopen it, and it keeps crashing with this message, I'm on mac What is ...
1
vote
1answer
44 views

Mutibit HD - Maintain a wallet on 2 devices

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 ...
3
votes
2answers
97 views

Blockchain Api v2

I'm new to this api. In the new blockchain.info api, there is a local service running and we can create wallets. But how to use this api to check balance and make payments using existing blockchain....
5
votes
2answers
68 views

What wallets currently support RBF?

What wallets currently support RBF? Is there some workaround if they don't?
12
votes
2answers
198 views

Are there any Bitcoin wallets with native I2P integration?

Tor usage seems to be fairly common with Bitcoin, but I have heard less about efforts of integrating with the I2P efforts. Tor and I2P both have their pros and cons, but I am curious to here about ...
3
votes
3answers
62 views

A Wallet for many blockchains (not just the bitcoin blockchain)

In terms of the future of the trust network where there will be an increasing number of fit-for-purpose blockchains such as ones for proof of asset, proof of identity, proof of ownership etc., will ...
4
votes
2answers
65 views

Using funds that have not been completely transferred yet for a new transaction

What happens if I start a new transaction with funds from a transaction which isn't 100% complete? Let's say, the incoming transaction shows 2/3 of the green dot, but the sum is counted as full by ...
1
vote
1answer
87 views

Why do all Electrum master public keys all start with xpub661MyMwAqRbc?

I was playing around generating wallets using the current version (2.6.4 on Mac OSX) and noticed that each new (standard) wallet I generated had the same start to the master public key: ...
3
votes
2answers
68 views

Wasted satoshi due to transaction fees

Say I have a wallet containing 1000 satoshi, and I want to transfer this to another wallet, but it doesn't cover the transaction fee, do I just waste it? I don't have the private key to the wallet ...
0
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0answers
54 views

Can Ethereum support compressed secp256k1 public keys to compute Keccak addresses?

Starting from a private key, a working functional example provides details for how an Ethereum address can be calculated from an uncompressed secp256k1 elliptic curve public key. This functional ...
3
votes
2answers
100 views

What criteria does Bitcoin.org use to choose which wallets to list

At this point there are hundreds of Bitcoin wallets available https://bitcoin.org/en/choose-your-wallet Clicking on a wallet reveals some areas where wallets are compared: Control Validation ...
0
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2answers
36 views

the bitcoin wallet spendable amount is not updating

the spendable amount is not updating to the watch only amount. this is now going on 3 weeks or longer. I am using bitcoin ver 0.12.1 any ideas??
1
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0answers
46 views

Editing bitcoinJ for Android Altcoin App

So there is an altcoin created by another party and i want to edit the bitcoin-wallet app for android so that it connects to the new network. Is it enough to edit core/params/MainNetParams.java in ...
2
votes
1answer
59 views

Not receving Bitcoins to my testnet wallet

I am running the bitcoinj wallettemplate on testnet3. I have this address miAKWcmebJ7TYyZCYUx54djHsatVGdNZA8 , I tried out some websites which sends me testnet coins (Faucet). But I am not receiving ...
-1
votes
1answer
73 views

Where satoshi sent by free bitcoin faucets deposited /parked?

I am earning and free bitcoin faucets say that they are sending satoshi to my bitcoin address or to some micro wallets like https://faucetbox.com or Paytoshi.com. The said micro wallets in turn send ...
1
vote
1answer
53 views

BIP 37 automatic filter update not inserting outputs

I'm having a problem with bloom filters when using the getdata message. As I understand BIP 37, setting the bloom filter on a connection using the loadfilter message with flag ...
1
vote
1answer
57 views

Bitcoin - BitGO - Save all wallet objects into Array of Objects

My Setup: With the help of Mongoose module we handle all Mongo Database operations. For each new user a wallet is generated and stored inside a Mongo collection. METHOD: If we use User.find({}, ...
3
votes
1answer
125 views

What options does one have to manage Bitcoins?

I started trading and buying Bitcoins for a while now, and realised: I have multiple wallets and multiple websites where I have bitcoins/litecoins. I think most of the people, including me, want use ...
0
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0answers
51 views

Trezor Custom Mnemonic

How do I go about using words I pick in a trezor seed? I only want words that I select and in an order I select. I'm not worried about this being a less secure way to generate a seed. I will be doing ...
3
votes
1answer
79 views

Private Brain Key Generation and Public Address Not Matching Java

I am trying to generate a public and private key set from a input string in Java. (Yes I am aware this can be a dangerous practice) I am using bitcoinj for a outside library. I currently have: //...
0
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1answer
51 views

Generate Unique address for each users?

I have PHP Based Web Bitcoin Wallet on localhost. I use simple Login system and basic bitcoin Json-RPC. In fact, everything is runing clearly, but my Bitcoin daemon giving same Bitcoin address to all ...
0
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0answers
57 views

Transaction ID not found- Status still unconfirmed

I tried to make a transaction back to my bitstamp account on 23.02.2016 but it has not been received. the Transaction ID from Bitcoin Core is the following: ...
0
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1answer
26 views

Connect to regnet from my WalletAppKit Android app

I'm developing a simple app to learn how to use the bitcoinj library. I'm using the WalletAppKit object to simplify the process and I'm following the official documentation. When developing I prefer ...