Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

1
vote
1answer
100 views

i'm try to send raw transaction ,bug i got ……

Transaction transaction = new Transaction(params); // 遍历未花费列表,组装合适的item double sum = 0; String address = null; List<Unspent> unspents = new ArrayList<>(); Map<...
2
votes
3answers
659 views

What kinds of wallets are there?

Can I get short a explanation about cryptocurrency cold/hot wallets? Are there more kinds?
0
votes
1answer
36 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: ...
0
votes
1answer
85 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 ...
0
votes
1answer
34 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) ...
1
vote
1answer
64 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.
1
vote
1answer
75 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 ...
1
vote
1answer
51 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-...
0
votes
1answer
181 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 ...
1
vote
1answer
175 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 ...
1
vote
2answers
106 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 ...
0
votes
1answer
88 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 ...
1
vote
1answer
82 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 ...
0
votes
1answer
106 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 ...
0
votes
3answers
276 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) ; ...
-2
votes
1answer
289 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
0
votes
2answers
347 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
0
votes
1answer
120 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
0
votes
1answer
110 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 ...
0
votes
0answers
123 views

Older Android Bitcoin Wallet Backup, Bitcoins lost because of transactions done afterwards?

I use the Android Bitcoin Wallet App (https://play.google.com/store/apps/details?id=de.schildbach.wallet). I have an old backup from my wallet and also still know the password. My old phone crashed ...
0
votes
0answers
74 views

LitecoinJ fork to altcoinJ Could not resolve dependencies

I am trying to fork litecoinJ for an altcoin because they are both using a similar algorithm (scrypt) using Ubuntu 16.04. This is so I may build and android wallet for it. To build the project, I use ...
1
vote
0answers
73 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 ...
0
votes
0answers
189 views

My Personal Wallet is empty

I'm pretty new to this bitcoin gig but I scanned 0.001 btc off a paper wallet thing and now after one night my bitcoin wallet app says that it has no available funds and is empty. I would like to get ...
1
vote
1answer
132 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 ...
0
votes
1answer
174 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 ...
0
votes
1answer
154 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 ...
0
votes
3answers
185 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 ...
0
votes
1answer
156 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 ...
0
votes
1answer
784 views

my transaction is confirmed but not receive

my transaction is confirmed but not receive and there isn't any bitcoin in my wallet (i used generate before address in blockchain wallet to receive) amount: 0.05169731 BTC txd: ...
0
votes
1answer
189 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 ...
1
vote
1answer
177 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). ...
1
vote
1answer
359 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. ...
0
votes
0answers
134 views

can an unconfirmed BTC transaction cancelled?

I was sent a payment to my btc wallet and they took screenshot of it being zero pending confirmation, i waited for hours and went ahead and track the transaction but blockchain says no transaction to ...
0
votes
1answer
86 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. ...
0
votes
1answer
155 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 ...
0
votes
0answers
32 views

Bitcoin that was sent yesterday did not still arrive [duplicate]

I sent my bitcoin from one wallet to another, but it has not still arrived. I sent it yesterday and the wallet that needs to receive BTC says that any BTC that is sent will be added to the balance ...
0
votes
0answers
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:...
0
votes
0answers
19 views

I have sent BTC to my other wallet 2 days ago and transaction still unconfirmed! [duplicate]

Here info : BTC transaction unconfirmed! === contextual data === -0.01584035 BTC total value   confidence: Seen by 52 peers (most recently: 2017-12-11T23:08:32Z). Pending/unconfirmed. Source: SELF  ...
1
vote
0answers
953 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 ...
1
vote
0answers
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 ...
0
votes
0answers
166 views

Notification on BCH

I'm new on using btc/bch and I'm currently using the Bread Wallet. I just wanted to ask if you receive any notification when BCH is transferred to your address? She. I tried to withdraw my BCH, it's ...
0
votes
1answer
241 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 ...
0
votes
2answers
208 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 ...
0
votes
1answer
420 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 ...
0
votes
1answer
206 views

“request coins” address is different to top right qr code

Bitcoin wallet app (android app). I'm familiar with how an Hierarchical Deterministic wallet generates addresses, but I'm confused by the ever changing address of "receive coins" button in the bottom ...
0
votes
1answer
537 views

Bitcoin Wallet for Android/Windows with Full Control of BTC (keys) [duplicate]

I used to manage my bitcoin by using MultiBit for Windows. I had full control of them, without any involvement from a 3rd party. But as a person i know wanted to get bitcoin and a Android wallet, i ...
1
vote
0answers
749 views

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

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-...
1
vote
1answer
2k views

Proof of address ownership

This question appears many times on SO, but there's something in the answers I'm not getting. I'm designing a system predicated upon API calls made to blockchain.info, but I'm having real trouble ...
0
votes
0answers
398 views

Unconfirmed transaction, BTC transferred through block chain wallet [duplicate]

I tried to send a bitcoin transfer even after 3 days, it is still unconfirmed. I have paid fees also about 0.00007006 BTC Can anyone help me get this confirmed? If greatly appreciate it! Here it is: ...
0
votes
2answers
913 views

i have 0.10096 mbtc (0.00010096 BTC) in my btc wallet but when ever i try to send bitcoins it always says your balance is low to pay the fee

kindly tell me how much fee is charged over 0.1 mbtc as i have this much amount and i want to send it but it always shows this balance is too low to pay charges.