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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20
votes
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 ...
11
votes
2answers
9k views

How to backup Android Wallet?

I'm finally getting ready to install an Android client. I believe Android Wallet is the most popular one. How do I back up the bitcoins stored on it? Also, is there a thin native Android client ...
8
votes
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 This has been replaced by an option to back up the entire wallet.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 ...
5
votes
1answer
845 views

What is an “insecure transaction type”, as mentioned by Bitcoin Wallet for Android?

I am running Bitcoin Core v0.11.0.0-gd26f951 (64-bit) at home on Ubuntu, and have installed the Bitcoin Wallet for Android on my phone. I sent two transactions from home to my phone: First, Second. ...
5
votes
1answer
4k views

How to move Bitcoins from desktop wallet to mobile wallet?

I have Bitcoins on my desktop wallet client. And i now have the Bitcoin Wallet by Andreas Schildbach installed on my Android device. IS it possible to move the desktop wallet to Android wallet?
5
votes
2answers
3k views

Import android mobile wallet to desktop

I have an android wallet (The Andreas Schildbach one). Is it possible to import this wallet into my desktop wallet? I would like to be able to manage my funds using my mobile or my desktop - both ...
4
votes
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 ...
4
votes
1answer
760 views

Can I have multiple working public keys per wallet?

My Android Bitcoin wallet changes the Public key (the one I give to others) after every transaction for security. However, I want to put up a Public key online for donations. Does this mean that my ...
4
votes
1answer
540 views

What is proofOfWorkLimit?

Look at the code below from android bitcoin wallet: proofOfWorkLimit = Utils.decodeCompactBits(0x1d00ffffL); And look at the code from bitcoin qt wallet: static CBigNum bnProofOfWorkLimit(~uint256(...
4
votes
1answer
5k views

How to restore from backup of Android Bitcoin Wallet

Bitcoin Wallet for Android allows you to back up your wallet. It asks for a password when doing so. After much faffing, I finally managed to.. dum, dum, dum! .. copy the file to the SD card, and ...
4
votes
2answers
190 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 ...
4
votes
1answer
2k views

How can I transfer my Bitcoin Android wallet to another platform?

I have the wallet backup and I was able to decrypt it using these instructions: https://github.com/bitcoin-wallet/bitcoin-wallet/blob/master/wallet/README.recover When I went to do the withdrawal the ...
3
votes
1answer
3k views

Problems decrypting my bitcoin-wallet on android

So I dropped my phone in the toilet... Of course I immediately turned it off and went with the rice technique. I realized later that I had coins on my phone on the bitcoin-wallet on android . Luckily, ...
3
votes
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'...
3
votes
2answers
1k views

How to remove a wallet from Android Bitcoin Wallet

I'm using Bitcoin Wallet for Android. I recently backed up my wallet's keys and did a fresh install to a new device and restored my wallet there. All great so far.. I'd now like to remove the fresh ...
2
votes
1answer
1k views

I lost my private key [duplicate]

I have BTC in my wallet but I lost my private key and I can't do transactions anymore. How can I get a new private key or pass the BTC to another address?
2
votes
1answer
2k views

How do I reduce the Bitcoin transaction fee?

I am using Bitcoin Wallet v5.09-v5.10 on Android 6.0.1. Is there a way to lower the Bitcoin transaction fee?
2
votes
2answers
881 views

How do I figure out the balance of an individual address on Bitcoin for Android?

I have just installed the bitcoin wallet for android on my device and created two addresses. I transferred some BTC to one address and some to the second one. I thought the wallet will show the ...
2
votes
2answers
360 views

What would happen to my bitcoins?

I have a Bitcoin wallet for android and I would like to know what happens if I back up the wallet and restore it in other phone. Will I be able to use the bitcoins in both devices? Thanks in advance
2
votes
2answers
1k views

How to build a bitcoinj checkpoint file

How can I build a bitcoinj checkpoint file like the Bitcoin-wallet checkpoints?
2
votes
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 ...
2
votes
1answer
234 views

How does the Coin Selection in Bitcoin Wallet for Android work?

What is the algorithm in Bitcoin Wallet for Android to select the inputs to create a new transaction?
2
votes
1answer
597 views

Is pruning of the merkle tree implemented in the bitcoin android wallet?

I know that satoshi's client doesn't prune, because we need to store all the transactions so that we can send them to other nodes. But does this android bitcoin wallet from de.schildbach prune? ...
2
votes
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 ...
2
votes
1answer
1k views

Lost bitcoins on smartphone after resetting it, although I backed it up before

I lost my bitcoins after resetting my android smartphone. Is it possible to get hold of my lost bitcoins?? I did back up my smartphone before I reset it. So after I reset the phone all my apps were ...
2
votes
3answers
2k views

How do you load the Android bitcoin backup key onto Bitcoin Qt?

I have an Android wallet key and I want to load it onto my windows desktop. I am using Bitcoin-Qt, but i dont see an import option anywhere. How can this be done?
2
votes
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 ...
1
vote
2answers
2k views

Which wallet libraries officially intend to use Bech32 addresses, and will the addresses generated by them be compatible?

I use several bitcoin wallets, and I would like to try Bech32 addresses when they come out. I initially thought to make a GitHub issue for Greenbits, but it seemed more appropriate to just ask such a ...
1
vote
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 ...
1
vote
2answers
124 views

New version of Bitcoin Wallet is signed with a different key

F-Droid is offering an update to Bitcoin Wallet, but when I try to update, the following message is shown. I haven't found any official news from the author about this key change. What should I do?
1
vote
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 ...
1
vote
3answers
790 views

What went wrong transferring my BCC out of Bitcoin Wallet?

On the day of the fork, I had my BTC in Bitcoin Wallet on Android. I sent my BTC to a new wallet. I then made a backup of my old wallet, moved it to my computer, and decrypted it using openssl enc -d -...
1
vote
1answer
2k views

Is it possible to delete received or sent transaction in your mobile btc wallet

Please help me to delete transactions from my wallet. I looked everywhere and cant find any help
1
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2answers
501 views

how do i programmatically find out whether this phone has a wallet with at least a certain arbitrary amount of bitcoin in it?

the use case is: i have a bitcoin-aware app A, which would then like to trigger a bitcoin payment request to be executed by an on-phone bitcoin wallet via the BIB20/bitcoin: URL mechanism. Rather ...
1
vote
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: ...
1
vote
1answer
583 views

Send addresses in Bitcoin Wallet for Android

I have three addresses on my Bitcoin Wallet for Android, but when sending coins, I can’t find where to select which address I want to send from. I set the second of the three addresses I’ve got as the ...
1
vote
1answer
1k views

How much data is transferred using Andreas Schildbach's Bitcoin Wallet Android app?

After installing the app, a message appeared on my phone saying there were 83 weeks of data to synchronise. How much data is involved in this process? I don't want to exceed the data limit for my ...
1
vote
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, ...
1
vote
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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
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.
1
vote
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-...
1
vote
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) ; ...
1
vote
1answer
535 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
576 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. ...
1
vote
1answer
220 views

Does bitcoin-wallet support BIP148

Does anyone know if bitcoin-wallet on Andriod (https://github.com/bitcoin-wallet/bitcoin-wallet) supports BIP148? I've been Googling and checked their GitHub page but I can't find BIP148 mentioned ...
1
vote
1answer
3k views

Why bitcoins not reflected in bitcoin wallet after being transferred from Web based wallet to its address even after ten confirmation?

[] 1I have purchased bitcoins worth 12$ using localbitcoins.com and send it to my wallet address(bitcoin developers). In blockchain.info it is showing it has ten confirmations yet it is not being ...
1
vote
2answers
482 views

How to access bitcoin wallet on an android that became unresponsive?

My Galaxy S4 mini suddenly stopped working for no apparent reason. It won't turn on via any recommended action or new battery, recovery software from the laptop can't seem to connect as a result. I ...
1
vote
2answers
1k views

Change addresses and key backup on Bitcoin Wallet for Android

I've had the Bitcoin Wallet for Android for some time. When I installed it I was assigned some public address/key. I have made various transactions in and out of the wallet but as fas as I can tell ...