Questions tagged [wallet]

This tag should be used for questions that pertain to wallet software. A wallet software is a piece of software which manages users' keypairs, addresses, and transactions. Wallet software also allow a user to send and receive Bitcoin.

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3
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4answers
354 views

Store Bitcoins offline

I have some bitcoins and ether at Blockchain.info and I am really scared of losing them. How do I best secure them? Right now I have a paper with the code to restore my wallet, but my coins are still ...
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0answers
19 views

Inserting *.dat file in new client

I'm running out of ideas and I'm hoping to get some help. My computer crashed but I have the wallet.dat file on a thumb drive. I've downloaded and synced v0.18.1 on a new computer but don't see any ...
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0answers
26 views

Wallet for Bitcoin Cash testnet [closed]

Please, advise wallet which supports testnet Bitcoin Cash. I used https://ccoin.cash/#wallet, but they support only https://rest.bitcoin.com/v1. Thanks for answers in advance!
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1answer
522 views

Difference between ripple bithomp “account generator” and “paper wallet”

I've recently found a web which allows to create ripple paper wallets. The website is bithomp.com. At bithomp.com there are several buttons. My question is: what's the difference between the Account ...
2
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1answer
118 views

Wallet for btc bot

Which bitcoin wallet should I use to manipulate it programmatically? I don't want to use heavy bitcoin-core. But as I understand there are different kinds of bitcoin's thin clients: some outsource ...
0
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1answer
29 views

Retrieve last x transactions from multiple wallet

I create an app which allow each user to own 20 wallets that support 20 coins (btc, eth, monero, neo etc), as well as support but BTC with USD. IF i want to retrieve last 10 transactions of user (of ...
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1answer
257 views

Manage multiple users wallets for web wallet service

This already summaries the issue I'm currently trying to figure out to calculate the transaction fee to prevent negative balance. (testnet) I tried using createrawtransaction answered. When I tried ...
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1answer
76 views

Bitcoins and transactions missing

I had a wallet which had approx $660 worth of bitcoin somewhere around 0.05 BTC and all of a sudden it has vanished and my transaction tab shows nothing. I have put my receiving address into the ...
0
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1answer
448 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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2answers
33 views

question about wallet address conversion

i just recently added a new wallet that can accept bitcoin SV but its address starts with a "q". is there any tools on the internet that can convert that q prefix address to a 1 prefix address much ...
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2answers
10k views

How do I scan my bitcoin receipt into my wallet?

I bought Bitcoins from the Robocoin ATM (I'm told it's the only one) and it gave me a receipt with a QR code to scan into my wallet. I downloaded Blockchain, but don't see where in the app I can scan ...
0
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1answer
77 views

how to retrieve BTC from BCH address

I was on KuCoin and accidentally sent BTC to the BCH address (thinking I was buying BCH). Of course nothing shows in the BCH wallet on KuCoin. I can see it on the blackchain but cannot access it.
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3answers
943 views

what is type of wallet with 18 words seed?

1) I have 18 words seed spray inject... (18 worlds total) 2) And i have some password/secret key or private key GVzPYhu....... (35 letters total) What type of wallet and what crypto ...
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1answer
48 views

Wallet's role in a double spend attack

How does my wallet allow me to double spend? As soon as I make a payment, shouldn't my wallet delete those bitcoins or does it leave them until the transaction is added into the blockchain?
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2answers
312 views

How to create a simple lightweight wallet (without mining) for an Altcoin

I am trying to create a wallet using electrum for an altcoin that uses the Scrypt algorithm. I am looking around for tutorials that can show a step by step process on how to create a simple wallet for ...
0
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1answer
338 views

Scam or not terabox?

Terabox.me has HTTPS. From Coinbase anyone can send money to Terabox.me and topup the balance. After making the topup the money is stolen. When you try to contact them they do not answer. Nobody shut ...
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0answers
26 views

Unknown command name and packet magic for bitcoin packets at the start of blockchain transactions

Recently I captured a part of blockchain when my bitcoin wallet started to syncing for the first time. I analyze about 10 Gb of traffic which was for primary transactions of bitcoin. wireshark can ...
3
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1answer
232 views

Bitcoin Core 0.13 How many addresses it can **effectively** manage?

I want to know, what's the maximum amount of addresses that Bitcoin Core 0.13 can manage? All addresses should belong to the default account. I want to use walletnotify feature How startup time ...
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1answer
1k views

How to send bitcoins without the bitcoin client in PHP

Is there a way to send bitcoins programmatically without the bitcoin client using PHP?
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3answers
165 views

How does a wallet get the public key from an address?

I was under the impression that addresses are just an encoded, hashed public keys with a prefix and that only the public key is used on the blockchain (not the address) for transactions. But if the ...
7
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6answers
8k views

What is the chance of someone (randomly) finding the private key for an existing Bitcoin address?

Say I have created a paper wallet with one bitcoin address in a vault. What are chances that someone else will find the private key for this wallet? Related: what are the chances of vanitygen address ...
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3answers
3k views

Seed for bitcoin-core qt

I have a bitcoin core -qt Wallet (on linux). Tell me, can I encrypt it? For example, there is the electrum wallet! It has words for deciphering. For example, i installed the electrum and the phrase ...
0
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1answer
100 views

Bitcoin-qt -testnet 0.17.1 Send and Receive buttons do nothing

Fully synced on testnet blockchain after building Bitcoin with UI and wallet enabled on Ubuntu 18.10. Pressing Send and Receive buttons results in no UI displayed. Receiving addresses dialog doesn't ...
8
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4answers
5k views

Is 12-word seed phrase safe enough?

Is 12-word seed phrase (as used by Electrum for example) safe enough for generating an offline wallet? My understanding is this: 2048 words pool make 11 bits of entrophy per word. 12 words in seed ...
22
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2answers
34k views

What is the wallet “word seed” that is commonly used in popular wallets clients and what does it do?

I've been using a pretty old version of Multibit classic and recently decided to upgrade. I tried out Multibit HD and Electrum and noticed that both have me set up a wallet with a "word seed". It's ...
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2answers
138 views

How convert a mnemonic phrase back and forth between different number of words?

I'm relatively new to cryptocurrencies in general and I've tried using Bitcoin and a few altcoins, but it always bothers me that some digital assets are not available in all wallets. To my ...
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1answer
30 views

Would proxying a lightning hot-wallet with a lightning cold-wallet make the hot-wallet safer?

(Edit: I realize how Mt.Gox-y the below setup sounds, but I'm coming at it from a "lightning routing problem perspective", not necessarily a straight "bitcoin security perspective"...though...those ...
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1answer
89 views

Wallet management now that accounts are deprecated?

I'm building a website which will allow every user to make deposits and transact with Bitcoin, how will I be able to get the balance of a specific wallet. I currently know these commands: $bitcoin-&...
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1answer
236 views

I NEED YOUR HELP URGENTLY Bitcoins

I really need your help on this. It has stated in my wallet that i've received my bitcoins of 1.182691BTC on 29/05/18. This's my wallet address: muFjdWSy2DKStSP2gUH2aHZq6kRBva8ZDV it stated on the ...
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0answers
14 views

how to convert protobuf wallet format into private keys

firstly, i did this step "enc -d -aes-256-cbc -a -in bitcoin-wallet-backup > bitcoin_decrypted" in openssl and entered the password it gave me org.bitcoin.production so i guess my password worked and ...
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1answer
37 views

Which BIP describes the structure and algorithm for creating a wallet file?

My app is able to create a public and private key from BIP39. The uncompressed private key is concatenated with a sha256 (private key) and then encrypted via AES and saved to a file. To decrypt, you ...
8
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8answers
5k 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
679 views

Balance zero after recovering wallet from seed-phrase

I recently got help my some experts on how i can recover my wallet using my private key, so i went ahead and downloaded brd wallet and block chain, then proceeded to recover wallet in the first and ...
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1answer
376 views

Spendable Wallet

My friend ask me to open a wallet in blockchain and ask me to give the ID and password later he transact certain amount of btc which shows non spendable after which I am asked to change my password ...
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1answer
2k views

Reg: Watch only Address

I have been given " Watch only Address" by one of my friends. To make the funds credited into my account or to use the BTC, what is way to get the private key? Do we need to pay anything to ...
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1answer
104 views

Bitcoin 0.18: how to send bitcoin from one address to another using Bitcoind?

To transfer bitcoin from one account to another address, we have used sendfrom method and which got deprecated in the latest version Bitcoin 0.18.0 Bitcoin sendfrom method On reading the document of ...
3
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3answers
67 views

Is there any full node software for bitcoin with serious wallet functionality? [closed]

I'm looking for a bitcoin software with a full-featured wallet functionality and running a full node, but I cannot find any. Bitcoin Core does run a full node and the network capabilities are great, ...
1
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1answer
46 views

Import multisig change addresses into Bitcoin Core using “importmulti” + descriptor

I'm trying to fill my wallet's internal/change address keypool by passing a multisig descriptor to importmulti, but the wallet's internal keypool is 0 before and after running the following shell ...
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1answer
48 views

Create a transaction from a wallet coins (UTXOs) with the bcoin library

I have a multisig setup where the signing is done through external HSM's. I am using Bcoin and its wallet to receive funds. What I am trying to do is to create a transaction and sign it with the HSMs. ...
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1answer
31 views

Creating a multisig wallet with bcoin and receiving transactions

I am trying to create a multisig wallet from two externally generated xpubs. The process I am taking is to create two multisig wallets with the two xpubs, add each others keys as shared keys and ...
0
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2answers
53 views

What is the need for multiple private keys?

From what I understand, there is initially a seed from which the private keys are derieved and from that the public key respective to each private key is derived. The public key is essentially the ...
0
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1answer
14 views

When I specify wallet in bitcoin.conf for testnet3, it gets ignored

I have a question about specifying wallet for testnet3. My bitcoin.conf file is located in the root of the Bitcoin folder with the line 'wallet = receiving.dat as well as testnet=1. Whenever I run '...
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0answers
33 views

I mistakenly sent my Coinbase BTC to my BCH wallet on Ledger Nano S [duplicate]

I mistakenly sent my Coinbase BTC to my BCH wallet on Ledger Nano S. I own both wallets. How do I go about retrieving my bitcoin from a BCH wallet on nano s?
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0answers
26 views

BTC Miner, trust? or scam? [duplicate]

trust to miner who after the investment ask You other btc to have free access to unspendable-btc in the wallet? any suggestion?
0
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1answer
46 views

How to get amount in RPC

I am developing a bitcoin wallet for education purposes, and i'm working on a getbalance method that given an address i return the balance of the address. Problem is, when communicating via the RPC ...
2
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3answers
893 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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1answer
3k views

How do I tranfer bitcoins from my Zebpay wallet to my blockchain wallet?

I have some bitcoins in my zebpay wallet. How do I tranfer these bitcoins to my blockchain wallet. Is there any transaction fee for this?
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3answers
194 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 ...
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1answer
76 views

Stay on memory pool when I sending multiple transaction from bitcoin wallet

I run the bitcoin client 0.17.1 on my ubuntu 18.04 desktop. I have some balance in my wallet. Also my client is fully synced.I have face the wallet conflict. When I send multiple transaction at once(...
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1answer
92 views

Convert Theta ERC-20 to Theta Main Network

As a test, I transferred one Theta ERC-20 token to my new Theta web wallet, and I see it there. How do I now convert it to the main net Theta?