Questions tagged [bitcoin-wallet-app]

Bitcoin Wallet is an open source client that gives you full control over your money and does not rely on any central services to operate. It is available for Android and BlackBerry OS, support for Chrome OS is planned.

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1answer
36 views

How do APIs know Bitcoin transaction and wallet types?

I am working on a university project, and I noticed that paid crypto APIs like Whale Alert or Whale Trace return information about transaction types (like exchange), sender and receiver wallets (like ...
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198 views

What’s the difference between a Bitpay wallet and a regular bitcoin

Just need to know the difference between the two and what’s the difference between the BitPay wallet and regular bitcoin
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1answer
152 views

Help to recover BTC

In 2013 i purchased some BTC. From the guy that sold me i have recieved some text and password. The text has 76 signs. Starts with AAQ and has + sign. Also has upper and lower case letters and numbers ...
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15 views

How Cross border Crypto remittance apps work?

I want to develop an app that allows people to send money cross border using crypto currencies, I am trying to understand the services my app will need to achieve such? Interms of for example, how do ...
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Bitcoin core balance won't show up!

I have bitcoin core wallet i havent use since 2013. i let it sync fully now but it won't show my bitcoin balance and this shows up..... Warning: Unknown block versions being mined! It's possible ...
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1answer
230 views

Bitcoin Wallet for Android - permission denied decrypting the wallet backup file using OpenSSL

I've followed the advice found on the https://github.com/bitcoin-wallet/bitcoin-wallet/blob/master/wallet/README.recover.md, but I'm having issues decrypted a wallet backup file When I run below line ...
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1answer
802 views

How can I brute force guess the passphrase for a Bitcoin Wallet (Andreas Schildbach) backup file?

I have a 2013-2014 240-byte wallet backup file from Bitcoin Wallet (by )Andreas Schildbach). I generated the passphrase using a pattern of two English proper nouns and 1-2 numbers. I cannot positively ...
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1answer
98 views

Retrieve all Unspend Output given a priv key

Is it possible to retrieve all Unspend Output transaction given the private key? I have noticed that different wallet give me different balance for the same Private Key. For instance, Atom and BitPay ...
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1answer
1k views

Lost wallet problem: I have a 240 byte file from a 2013 wallet. Can I access bitcoin with this?

I lost the device with my Android Bitcoin Wallet late 2013. At the time, I had stored a 'wallet backup' file. It has no extension, is 240 bytes, and begins with 'U'. With only that file, is it ...
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1answer
306 views

Watch only Wallet help

i need help. I'm totally New with bitcoin. Last time i would buy something and when i pay i've got an sms-code for bitcoins with that i've to make the pay. I send this to a watch only Wallet. But that ...
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1answer
1k views

transferring funds from bittrex to binance

I want transfer a btc from bittrex to binance but they are telling me that they are supporting only non segwit adress. I don’t know if my btc adress In binance it’s non segwit too. Thank u
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2answers
54 views

Testnet3 app will not sync to peers

I was just trying to connect testnet3 to my own testnet node through the "trusted peer" and "skip regular peers" settings, but it seems that in this way it cannot connect to a ...
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183 views

Unable to recover an old Android Bitcoin Wallet backup

So here's the thing. I have an old Bitcoin Wallet backup from 2015 that I'm trying to restore. However when I try to import it back into the android application, even though I'm 99.9%** sure I got the ...
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1answer
182 views

is there some one expert with the btc recovery tool?

trying to use btc recovery tool , installed every thing , python 2.7 and all the required pibs . followed tutorials . actually i need to find second password so am using the command i.e c:\python27\...
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1answer
100 views

Why am i picking up 2 blockchains for my BTC address

So this is my address 38UPP6po1NJvNQoTavvTBzbRi1bKcyR7tZ And i am picking up 2 blockchains ,one for BTC and BCH ? I did a transfer a week ago and i am not sure why i cant see the funds in my coinbase ...
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1answer
85 views

Best Practice for Using Btc

I have recently learned about best practice for storing private keys with hardware wallets. I understand the necessary information including backups from seed phrases, the concept of cold storage, ...
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2answers
3k views

Private key to WIF process

I have a private key for a storage bitcoin wallet (there's not much in there I'm just testing methods) but it is in private key form and to import it to my main wallet I need to convert it into WIF. ...
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1answer
283 views

Electrum on Android - where is wallet.dat hidden?

Does anyone knows where Electrum android app saves its wallet.dat on phone/sd memory? If such files exists is it possible to transfer it between phones? I have forgotten my seed words (and do not want ...
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1answer
6k views

I Restored My Phone Wallet and Now All My Coins Vanished

TL;DR: After creating a backup, I added a pin to my "Langerhans" Dogecoin wallet for android. Now, the pin doesn't get accepted (or I forgot it). Finally, I used the "Restore Backup" function and got: ...
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101 views

Someone (not me) transffered bitcoin from my blockchain app [duplicate]

Someone has cleared out my bitcoin from blockchain. Apparently there was a transaction from my account, however i didnt do this. I have the ID it was sent to, can i recover it? transaction ID:...
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0answers
110 views

Am i been scam or should i pay? [duplicate]

I was contacted on social media. He was going to mine 200 btc for me and I get a profit of $4870. He told me to create a black chain account but we never use it. Instead when I bought the btc he send ...
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1answer
138 views

Why do so many Bitcoin wallets and accounts exist?

Why so many bitcoin wallets do exist? Why it is not just single like other conventional currency? Multiple wallets means I have to have multipe accounts; is it possible to transact among multipe ...
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193 views

How to send little BTC coin in Bitcoin wallet

I use bitcoin wallet (find here) I tried to send 32$ (All of them) to Binanace OR my Trust wallet or etc , but appear below error :
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1answer
217 views

Can I change current receiving address in Bitcoin Wallet app?

I download Bitcoin Wallet app. I receive BTC on first address (old type), but after some time second address (bech-32) became "this is you current address for receiving". Can I change ...
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im planing to buy BTC miner but the place im keeping it in suffers of power cuts everyday for approximately 15 minutes. will it operate?

im buying bitmain s9 for the 1st time and i have 0 experiences. if the power cut off for like 15-20 min everyday and come back will the miner operate by it self ? or i have to do it my self everyday. ...
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1answer
232 views

Schildbach Wallet complains: not enough mBTC for transation

this app was shown to me by a friend. now wanted to test it, so send some BTC into the wallet-app some time ago. that worked. now got 46.94€ worth of mBTC ("An mBTC, or MilliBitcoin, is ...
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1answer
146 views

Importing bitcoinj mnemonic into electrum or deriving private keys from mnemonic

I am having a really hard time backing up my bitcoinj mnemonic and importing it somewhere else. I am backing up the mnemonic like so: Wallet wallet = Wallet.createDeterministic(params, Script....
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1answer
107 views

How to see highest available block number in “Bitcoin Wallet” app for Android (Schildbach wallet)?

If I have downloaded the "Bitcoin Wallet" by "Bitcoin Wallet Developers" (Schildbach wallet) onto an Android phone from the Google Play store, how can I see the latest block number ...
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0answers
374 views

Why doesn't “Bitcoin Wallet” app for Android transmit payment?

Why doesn't Bitcoin Wallet app transmit payment? Bitcoin Wallet app no delivery transaction. From the 18th of March to the date Bitcoin Wallet app retains my satoshis with the message "this ...
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1answer
236 views

30 months of history, and 50GB of data?

I had installed bitcoin-wallet app on an old phone a couple of years ago, just out of curiosity about bitcoin. I obtained somehow a teeny amount of bitcoin, .0017xxxx anyway, I installed the app on a ...
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2answers
3k views

How do I fully uninstall the Bitcoin Wallet app for Android?

My phone is rooted and I'm not going to use the Bitcoin Wallet app anymore since I'll be switching to another one. My problem is, I can't seem to find where the downloaded blockchains are stored. If I'...
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1answer
740 views

How to generate sub addresses belonging to one private key

We're creating a platform to buy/sell Bitcoin. We need to generate a new child address for each customer allowing them to receive Bitcoin. But all incoming Bitcoins should be stored in our main ...
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1answer
240 views

How to sweep a bc1… bitcoin segwit address using a mobile app?

I have a bitcoin private key with some money on the segwit bc1 address, but when I try to sweep this private key using mycellium android wallet, it shows up as a 3... address. What other mobile app ...
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1k views

cant send btc, Uneconomical UTXO requested

Im trying to send btc worth of 2$ and i keep getting message "Uneconomical UTXO requested [type: 1 (limit 46629), txOut.val: 38546, required: 83847]" i even tried sending 1$ but its still the same can ...
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1answer
1k views

Bitcoin Wallet for Android - Issues decrypting the wallet backup BIN file using OpenSSL

I've followed the advice found here and also on the Github article linked from that post, but I'm still having issues decrypted a wallet backup using the latest version of Bitcoin Wallet on Android (...
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8answers
6k views

How do I extract my private keys from a protobuf wallet?

Recent changes to Andreas Schildbach's Bitcoin client for Android have removed the option to export private keys. This has been replaced by an option to back up the entire wallet. Unfortunately, the ...
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2answers
5k views

How to estimate/get network fees via blockchain.info API?

I am using blockchain.info API to send payments. but i need to know that what will I be charged by the network. So any way to get the network fee with specific amount to sent.. or how to generate it ...
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2answers
543 views

Bitcoin address generation and UTXO scanning

I'm developing bitcoin payment processing application. I've two question to ask: In each bip32 address, How much UTXO each address should have to consider generating new address to avoid address re-...
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5answers
24k 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 ...
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1answer
229 views

Changed address

My address has changed but I'm showing 0.00mbtc. when I lookup the information on Blockchain it confirms 0.00 but then States the address has yet to be used on the network. I'm confused, please help.
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1answer
306 views

Bitcoin wallet on smart phone drains battery a lot?

I downloaded Android Bitcoin Wallet (version 6.17) on my android phone, and realized that the app drains battery a lot. The system showed 40% of battery was used to the wallet. Does anyone have same ...
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1answer
96 views

Is it safe to store user's secure pass-code in database with encrypted form while creating bitcoin wallet?

I would like to create a Bitcoin Wallet. Part of the process is to store public and private keys in encrypted form in server database. All keys I am storing is encrypted using user's passcode. 1) ...
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1answer
471 views

LN channel lnd + android wallet problem

I am running LN node powered by lnd. Also I have installed on my phone a LN app - Bitcoin Lightning Wallet. I opened a channel from mobile app to lnd node sucessfully (many confirmations), but I ...
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1answer
277 views

How to send bitcoin programatically using API? Bitcoin Transaction. (Without Setting Node) [closed]

Want to send BTC from one address to another address without using JSON-RPC. Followed and used: https://bitcore.io/api/ https://www.npmjs.com/package/bitcoin-transaction/v/1.1.1 2nd:bitcoin-...
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3answers
1k views

How to derive segwit addresses from an extended public key?

I tried to use the following code: DeterministicKey key = DeterministicKey.deserializeB58(null , "xpub...", MAINNET); DeterministicHierarchy hierarchy = new DeterministicHierarchy(key) ; ...
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1answer
242 views

Transaction do not shows up in my android wallet

I have an incoming transaction that didn't show up in my android wallet [here is the txid[1 I tried to re-sync the wallet and the transaction is still missing! I noticed you use blockexplorer.com as ...
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3answers
3k views

What bitcoin wallets support bip32 extended public key export?

I'm looking for a bitcoin wallet, that can export an extended public key. I want to put that key on a server, generate a chain of addresses and receive bitcoins, and be sure, that my bitcoins are safe ...
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0answers
787 views

How to claim bitcoin cash for Bitcoin Wallet backup created before 1st August2017? [closed]

I use this bitcoin wallet for android for my bitcoins.. I had created backup well before 1st August 2017 from Safety>>Backup My Wallet.. The backup is encrypted with name bitcoin-wallet-backup-2017-...
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1answer
224 views

Installing app on new phone

I may have to get a new phone very soon. When I install Copay on the new phone how do I log in to access my account? Currently on the phone I have it is permanently logged in. I see no option to ...