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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15 views

Forgot password multibit

this is two weeks I am trying to crack my MultiBit portfolio, I do not remember my password recorded in July; I have no old file save my wallet, the word must be no more than 15 characters and must ...
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1answer
21 views

Funds and Wallets

If I load bitcoins to my wallet and the funds are there, and I go back to load more Bitcoins with a new address for my wallet are the funds from my first wallet going to merge with the newly added ...
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13 views

How do I buy Bitcoins for my android wallet? [duplicate]

I have just downloaded the Bitcoin Wallet app by the bitcoin.org developers. How can I add bitcoin to it? I had the idea that I could just buy coins from an exchange online and then put them into ...
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0answers
16 views

Matching KeyPath in application with Wallet32 Keypath for Bip44 wallets

I have an application where I create an HD wallet with a passphrase and save the public master key to the database for the user. Then, I want the user to be able to back up the wallet to their own ...
2
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0answers
25 views

Proving the address belongs to a shared wallet where one can control some deposits and withdrawals

A bitcoin exchange is using a shared web wallet where its users deposits and withdraw bitcoins. The withdrawal transactions are merged, so that the pending transactions of several users are grouped ...
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2answers
74 views

How do I spend my Bitcoins without waiting for Bitcoin-Qt to sync?

I purchased $50 from ExpressCoins and now it's transferred to the address, but I hadn't realized that to use your program, I have to download 20 gigs of information. Is there a way to access my coins ...
0
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1answer
24 views

Why am I not getting payments on my bitcoind on an amazon ec2 instance?

I have an amazon ec2 instance running a web server, MySQL server, and bitcoin daemon on ubuntu 14.04, and I ran ./bitcoind getnewaddress and the output was an address. I sent a few cents worth of ...
2
votes
2answers
56 views

Unable to open Backup binary file Linux

I recently reinstalled Linux mint; I backed up my wallet, and I am unable to import the backup created from the original wallet (Qt version 4.8.6.) to the newly installed wallet(Qt version 4.8.6.) I ...
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1answer
67 views

Do you need to be connected to the internet to send someone bitcoin?

Say I walk into a store that accepts bitcoin. I decide to buy something and go to the counter. I get my smartphone out to pay the bitcoin. Does my smartphone need to have an internet connection to ...
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3answers
143 views

How can I recover my coins?

I'm using an alt coin. The wallet would not sync so I deleted the blkindex.dat file to restart the download. I restarted the wallet client and it downloaded all the blocks, but all my coins are gone. ...
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1answer
126 views

I can't find my bitcoin address and my bitcoin core is out of sync by 3 years

Hey guys I am a newbie at Bitcoin just recently found out about it. I downloaded Bitcoin core; I encrypted the wallet; I created a backup folder, but it is out of sync by 3 years 4 weeks and i can't ...
2
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1answer
44 views

Limit wallet to sending funds to a list of addresses

Imagine a scenario. There are 3 parties: Party A, Party B and a mediator party C. A and B transfer each 1 BTC to a newly created wallet W owned by C. The function of C is to distribute the entire 2 ...
2
votes
1answer
64 views

How can Bitcoins be sent without Blockchain.info knowing your private key?

Blockchain.info is a hybrid bitcoin wallet with client-side javascript encryption. I understand that the wallet.aes.json where the private keys are stored is encrypted (client-side). But how can ...
2
votes
0answers
39 views

Calculating Account Balance [duplicate]

Is anyone familiar with how the standard Bitcoin client gathers account balances from the blockchain? I understand that the software will look through the blockchain to calculate the balance, but I ...
1
vote
1answer
76 views

How can I install a bitcoin wallet on Kali Linux?

I got Kali Linux installed on my laptop and I want to install a good bitcoin wallet to store my bitcoins offline.As I know,top 5 best bitcoin wallets would be Bitcoin Core (the first offline ...
2
votes
1answer
84 views

Could somebody be traced in a situation like this?

I'm fairly new to bitcoins and wanted to know if somebody could be traced easily in a situation like this: Somebody buys btc with his/her own name Btc are sent to an address, an offline wallet, ...
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0answers
25 views

Infinitecoin (IFC) transaction delay

A few weeks ago, I made a transaction from an online wallet (coins-e) to my personal (infinitecoin-qt) wallet. Initially I looked for the transaction ID using exploretheblocks for Infinitecoin's ...
1
vote
1answer
206 views

Best way to mix bitcoins? mixer, coin join (shared send), dark wallet, stealth addresses?

When you want to anonymize a few hundred BTC, what would be the best (safest) way? I can think of these alternatives: Deposit to and withdraw from exchange (like Kraken, Bitstamp, etc)Pros: ...
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votes
1answer
51 views

How to integrate a Bitcoin wallet service in my website [closed]

I'm a new web programmer and I'm building a website if a Member sign-up he get a wallet, and I want to make this website like a bank .... so when he registers a wallet he can send bitcoin to the ...
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0answers
37 views

Bitcoin Escrow API [closed]

I have an e-commerce website. In my website there are two types of registered users: Seller (They place an advertisement to sell there product [example:house]) Buyer (Want to buy house of seller ...
4
votes
1answer
71 views

Self-hosted Bitcoin wallet for Linux with API?

I'm looking for some Bitcoin wallet software I can host locally on my Linux server that provides either an API or webhooks for detecting when Bitcoin transactions have completed. I also need a way to ...
1
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0answers
38 views

Sending Bitcoins with Armory doesn't work

I have a few Bitcoins that I manage with Armory. It shows the correct amount of money in my wallet under the correct address. I now want to send the Bitcoins to somebody else. When I open my wallet ...
1
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0answers
64 views

Bitcoin Core and Armory working together? [duplicate]

I am confused, totally new to Bitcoin and not really a digital expert, so forgive me if the following is stupid. I downloaded Armory two weeks ago and it asked me to also install Bitcoin QT which I ...
0
votes
1answer
55 views

PHP Checking privatekeys

I am setting up my site on a hosting (not a server, just a hosting) where i will accept payments of bitcoins and maybe other cryptos later, after a week or so, i want to "sweep" my wallets. In short: ...
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2answers
101 views

Should a casino manage its own Bitcoin wallet?

Let's say I wanted to start an online casino that accepts Bitcoins. Would it make sense to manage my own Bitcoin wallet for this site? Or would it make sense to just use a third-party service that ...
2
votes
1answer
179 views

Official or default Bitcoin wallet for Android

I'm new to cryptocurrencies, and I noticed that both Litecoin and Dogecoin have official wallet apps for Android. Does Bitcoin similarly have an official Android wallet app? If not, is there a ...
0
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1answer
49 views

chain.com Bitcoin API: Does not provide “making wallet” feature?

chain.com's Bitcoin API is super easy to implement Bitcoin function into my iOS App. Checking the balance of a specific bitcoin address and retrieving transactions are very convenient. However, unlike ...
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2answers
65 views

How to tell which account an unspent output is in?

When I go to send coins, I want the transaction to ignore the unspent coins in a certain account. I think I can do this in wallet.cpp, but I'm not sure how. Maybe in the AvailableCoins() function? ...
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1answer
31 views

Check password for ethereum wallet

I have ethereum wallet and wish to check if some password was used to create it. How this could be done?
6
votes
4answers
363 views

How to find a specific bitcoin address from all the addresses?

Recently, I found a site that show all the addresses in a huge list, divided in 904625697166532776746648320380374280100293470930272690489102837043110636675 pages. The site's link is ...
0
votes
1answer
117 views

Unconfirmed Transaction using Blockchain.info wallet [duplicate]

I sent 0.08 BTC yesterday using the blockchain.info wallet on the iPhone. It's been 24 hours and my money is still unsent; I really don't know what to do. It still says unconfirmed. Why is this? ...
1
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1answer
55 views

If I import/restore a deterministic wallet into Bitcoin Armory, how far into the dynamic addresses does it look for transactions?

I see that in Armory, I can click on "receive bitcoins" any number of times, and it generates a new as-yet unused address every time. So I could potentially send coins to address 1000, and have 999 ...
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0answers
38 views

How do coinjoin and sharedcoin work? How to make it make it hard to pinpoint bitcoin sender wallet

I would like to implement a way for bitcoin transactions to be untraceable. EX. user1 on my site wants to send bitcoins to user2. How would I go about mixing the coins so user2 doesn't get user1's ...
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0answers
24 views

Implementing Secret Sharing with an Encrypted Bitcoin Wallet

How would I implement Shamir's Secret Sharing Scheme with an encrypted Bitcoin wallet?
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1answer
33 views

reinstalled multibit wallet

I had to remove a copy of multibit wallet from my system & after multiple times of trying to get it to work on my 64 bit system I can now open multibit wallet. I guess when I removed the program ...
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0answers
30 views

Deterministic Key Generation: prove that address is in a sequence of your original seed

Lets say that someone wanted to prove they owned some metadata without revealing who they were. For instance, lets say they needed to prove they had owned a contract but that contract was in an ...
4
votes
1answer
305 views

If a wallet has multiple addresses, is the money in the wallet or in the address?

In the standard bitcoin client (Bitcoin-Qt), they tell me the total money in the wallet. However, should I be able to see how much money is in each address? Does bitcoin money belong to an address or ...
0
votes
2answers
49 views

Nosey/disgruntled employees at my VPS company

How can I take steps to prevent/detect bad employees stealing my money? I'm running bitcoind on a VPS with Ubuntu 14.04. Only ports open are 22, 80 and 443. I have fail2ban and auditd enabled. ...
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0answers
83 views

Standardize wallet format [closed]

What's the status of wallet format standardization? Is there any proposal or work-in-progress around? If not, how come nobody urges to define standard wallet formats yet? This is especially needed ...
0
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1answer
65 views

WIF Format and Storing Private Keys

I'm writing an Android app which will be storing private keys for Bitcoin and a few Altcoins in an SQLite database. To store my private keys, I was initially using the WIF. When I take them out of the ...
2
votes
3answers
78 views

Can the service providing the bitcoin wallet know how much value has the user loaded into his wallet?

Say for example I run an ecommerce website which mandates users to have a minimum balance of 1 bitcoin in their wallets to access the platform. In the event the balance in his wallet falls below 1 ...
1
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0answers
26 views

can we create subjective trading platform using bitcoin and smart contract where payments are taken in stages?

Is it possible to create a subjective trading system (for eg: second hand goods like laptops, television cell phones etc) using concepts of bitcoins and smart contracts. Payments on the system would ...
0
votes
2answers
11 views

Multibit application on Mac only showing 2/7 wallets

I've got 7 wallets created in Multibit. Since today, when i open Multibit it is only showing 2 wallets out of the 7 that exist. I've checked the files stored in user/Library/Application ...
0
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1answer
86 views

I lost my computer, inside my hive wallet , I do have my adress and password can I recover my bitcoins?

Is it possible to login from other wallet with adress and password to get back my btc?
2
votes
1answer
82 views

How can I watch an address on Windows and Android?

I want to be informed of transactions of my Bitcoin address on the Windows and the Android app. Can I use the same Bitcoin address on both? If yes, how can I backup the address on Windows and restore ...
0
votes
1answer
298 views

How can I convert a wallet.aes.json file from Blockchain.info to a wallet.dat file?

I'd like to convert my Blockchain.info wallet to a local Bitcoin-qt wallet. How can I do that? (I am fine with using command line tools.)
0
votes
2answers
36 views

RDD sent to RED address

I wanted to transfer my my RDD coins from Bittrex account to my cryptsy account. I mistakenly sent the RDD coins to A RED generated address on my Criptsy account. Pls how is it possible to recover my ...
1
vote
1answer
120 views

What is the incentive behind using platforms such as XDP/Dogeparty?

ELI5: What can one do with XDP that s/he cannot do with DOGE? Is Dogeparty similar to projects such as Ethereum/Ripple? If I understand correctly one receives 1 XDP/1000 DOGE "burned". How are these ...
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votes
1answer
157 views

Hive Wallet recovery without PIN

If I don't have my pin, but I have my 12 word passphrase, how do I recover the wallet without pin?
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0answers
42 views

How do mnemonics encrypt wallet data and what prevents hacking of the algorithm?

How do mnemonics encrypt wallet data and what prevents hacking of the algorithm? For example Blockchain seems to encrypt all data using a mnemonic yet doesn't hold customer data server side. What ...