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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141 views

How can I technically find my private key for bitcoin wallet address (Blockchain) that has been used before?

So I really made a mistake by importing address without knowing I will be asked for a private key later since that address is watch-only. Seems like this address has already been used before on my ...
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2answers
142 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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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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40 views

How to communicate with encrypted bitcoin wallet using bitcoin-core in NodeJS

I have a full node running in my local system and I am using this library named bitcoin-core to communicate with the bitcoind server. Now I have encrypted my wallet with a passphrase so I understand ...
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70 views

How can I generate a bitcoin address offline in Python?

I am new to python and bitcoin so please bear with my question. I want to integrate bitcoin as a payment method in my platform, I want to use 3rd party api service for sending transactions to block-...
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Recovering wallet after formatting SSD

I am not exactly sure what I need to do and I do not want to accidentally overwrite my disk. I may have already done so. After searching my web history I have found the BTC address that my BTC is on ...
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94 views

I formated my hard drive with bitcoin core on it

First timer here ...I downloaded bitcoin core a few weeks ago until last week where it still had not synced so i started all over...I was originally waiting for BTC CORE to synchronize(I missed the ...
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83 views

should i can use my coinbase 12 backup phrase into blockchain wallet?

i have one question in my mind i can able to recover my wallet of coinbase using 12 backup phrase into blockchain wallet it will be accept it? and restore my all crypto of coinbase into blockchain ...
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46 views

Bitcoin QR code on a product sold in stores [closed]

How and which company do i turn to implement a QR code for bitcoin on a product sold within stores.
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89 views

Why doesn't Bitcoin-core Wallet app transmit payment?

Why doesn't Bitcoin-core Wallet app transmit payment? Bitcoin-core Wallet app no delivery transaction. From the 18th of March to the date Bitcoin-core Wallet app retains my satoshis with the message ...
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68 views

Message: “this payment has not yet been transmitted”

My smartphone wallet samsung android with application bitcoin core version wallet 7.04 does not get paid. Message: "this payment has not yet been transmitted". from March 18 at 18:56 (NYC) I have ...
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102 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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48 views

Are Bitcoin wallet apps on iOS truly decentralised

The only offering for p2p support on iOS that I’m aware of is the MultipeerConnectivity framework. Based on its documentation, it only seems to support nearby devices (ref: https://developer.apple.com/...
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problem in imported address

I have $10 at my address. I only imported that address in my other wallet, but it shows the balance of $0 and no past transactions. I tried my balance address of $18 and the same zero balance is shown ...
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1answer
178 views

How do custodial lightning wallets work?

I just installed and tried to use a lightning wallet (bluewallet) on an Android device. As per my understanding, when I fund my lightning wallet (This is an on-chain tx) with amount x, I open a ...
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3answers
884 views

What kinds of wallets are there?

Can I get short a explanation about cryptocurrency cold/hot wallets? Are there more kinds?
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135 views

0 confirmations after 3 days. [duplicate]

My transaction hasn't confirmed after 3 days , and I have no wallet for it to come back to, because I sent the money straight to the browser. If any miner can help me my code is below: ...
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255 views

How to recover bitcoins from personal wallet app in android which is uninstalled?

I am using a bitcoin Non-deterministic wallet created by a private firm. In which there are few bitcoins worth 100$ Somehow I clear data of the android App, and Now all the memories related to my ...
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60 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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122 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
383 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
145 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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2answers
1k 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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1answer
541 views

how to validate testnet and mainnet bitcoin address via online api or offline for Android App?

I would like to know web api provider to validate Mainnet & Testet3 Bitcoin Address. How to validate a Bitcoin address is a real one? Validate bitcoin address from android application Gone ...
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447 views

How to display a list of incoming bitcoin Transaction history in my own wallet?

I have gone through various references including How to get a history of incoming and outgoing transactions for a certain address? Fetch list of transaction where i have received the bitcoin? I am ...
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424 views

How to recover my funds from electrum wallet with privatekey and redeem script?

Hey I think I know the answer already and I kinda screwed up I think I just want to verify. so I send BTC to my electrum wallet and I forgot the seed. I could not find it. but I have the private key ...
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1answer
122 views

Find my block chain

How can I find all of my lost bitcoin accounts and transfer the funds? I was just recently made aware that there are multiple Bitcoin accounts in my name and a block chain. I don't know where to go ...
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175 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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3answers
479 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
717 views

How to Decry-pt encrypted BTC private key

I have public key and Encrypted Private key. I need to decrypt the private key or find the password. I need your help to do this. Thanks all
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622 views

Why is my phone app wallet showing true balance and my web wallet showing 0 balance

I downloaded my wallet app to my phone my online wallet shows 0 balance my phone app shows true balance why isnt my online wallet showing same balance as phone
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1answer
128 views

Can a bitcoin address be duplicated? [closed]

I'm new to this site. A few years ago I got a bitcoin wallet address but honestly never did anything after that but think there is a few dollars
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1answer
127 views

Unconfirmed Transactions on Balance and History

Is there any way to see the unconfirmed transactions within the balance of the CoPay's Bitcoin Wallet and get notifications when it receives an unconfirmed transaction? Because I didn't see my ...
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81 views

When develop a mobile cryptocurrency wallet, is there any good practice to store private key?

As i know, some wallet like electrum store private keys in client filesystem with encrypted and other web wallet like ether metamask store it on browser storage. And in the mobile wallet, is there any ...
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1answer
159 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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347 views

BitcoinJ : Balance and Transaction are not showing in wallet after restoring wallet from MnemonicCode

I have created a wallet with the help of WalletAppKit on Android and did some transaction in it. Now what I try to do is, restoring that wallet from mnemonic code (BIP39). It also returns the Wallet ...
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1answer
183 views

Do I have to know all my private keys for sending a “big” amount?

As I understood it: My client creates a public key (for recieving) and a private key (for accessing) for each transaction. And the private key is here that I can send the BTCs I recieved (for all ...
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3answers
390 views

Splitting BTC and BCH from cold storage using bitcoin core wallet sending to exodus

I had BTC long before the forks of BCH (bitcoin cash) and any of the others. I wanted to finally split some BCH off of my BTC and so this is what I attempted to do Bitcoin Core Wallet Send to Exodus ...
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1answer
180 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 ...
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204 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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298 views

Pending BTC transaction for more than 30 hours [duplicate]

I have made a transaction 0.0387621 BTC yesterday, its been more than 30 hrs, the transaction is still in pending status. I have put the right address and BTC value (excluding the token charges). ...
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1answer
401 views

Copying an old private key (from 2011) into Electrum: any risks?

I have an old phone, with a version of the Bitcoin wallet from 2011. It has a few satoshis in it, which are now worth enough to be worth recovering. However, the phone can't connect to the Internet. ...
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90 views

Lost Exchange Account

I transferred some bitcoin from my coinbase account to another exchange to purchase some ethereum. At that time coinbase did not have ethereum. However, I do not remember the exchange that I used. ...
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1answer
174 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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58 views

Where is the rest of my bitcoin? [duplicate]

I sent bitcoin from one of my wallets to another wallet using one address (output) then this is what I got only a fraction of my bitcoin the bigger amount went to another unknown address to me https:...
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1k views

I cann't send BTC on wallet Blockchain

When I try to send BTC i get error: BitcoindException(super=com.neemre.btcdcli4j.core.BitcoindException: Error #-26: 66: mempool min fee not met, code=-26). My wallet is on blockchain.info, I set ...
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25 views

I sent a BTC to a BCH/BCC address. I have the key for the BCH/BCC account,how to retrieve? [duplicate]

So, I read a similar thread in which a person transferred their BTC to a BCH account and people suggested that it could be retrieved if they have the key to the BCH account. I have the key to the ...
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251 views

How to send Ethereum from a “paper wallet address” to another address using an API?

I have an "Ethereum Paper Wallet Address" and this address has $5 USD amount of Ethereum. I want to transfer that ether to another Ethereum address using an API. Please let me know if any more ...
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236 views

Can I lock a transaction from being used until a particular condition is met

I plan to open an ecommerce website from which I will accept BTC as payment. However users dont want to pay with BTC without getting the goods since my site is just starting up. What are the options I ...
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1answer
425 views

Can I move my BTC back into an exchange and still collect BTG?

I'm new to all this, I exported my private key from my wallet (Exodus) but I don't know how any of this works. I'm just confused on how the private key works, wont the key be invalid if my BTC amount ...