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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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1answer
192 views

How to get public and private keys by giving seed explicitly?

I am using bitcore to generate the public and private keys. I am using 'getnewaddress' method to generate a public address and dumpprivkey to generate a private key. When I am calling the ...
1
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2answers
398 views

Bitcoin public keys from uncompressed to compressed version with code sample

Hi there I was looking for some code sample on compressing a bitcoin public keys from the curve secp256k1. Just for me to get a good grasp, I have seen code going from compressed to uncompressed, I'd ...
1
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1answer
97 views

How do cryptocurrency exchanges handle users' accounts?

I recently became aware of the fact that exchanges have trading engines that execute all trades within the exchange itself, and not on the blockchains. That is to say, if User A sells to User B, there ...
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1answer
151 views

HD Wallet Child Private Key Derivation Function

I was trying to understand the specs on CKD function from both the bip32 standard and Mastering Bitcoin book, I couldn't understand how a private key is derived from the left side of the extended key. ...
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0answers
114 views

Bitcoin node generating invalid addresses

I'm running both a bitcoin and a litecoin node, both are generating invalid addresses. My LTC generated address: MV6eGvkbkgcDZLDpK1WQeZLMmx3PHZmXC7 My BTC generated address: ...
4
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1answer
235 views

In HD Wallet recovery how does the wallets know which addresses to recover

I have been reading the BIP32 proposal explaining how HD works but it didn't mention on any point how one wallet in one phone can recover from a simple mnemonic seed. Does it just try all possible ...
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1answer
164 views

Electrum console commands?

I need 2 commands for electrum To create X amount of addresses to export those addresses to word or just be able to copy them
1
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1answer
29 views

Lite-wallet transaction confirmation procedure

BTC lite-wallet sends a bloom-filer request to bitcoin node about what is the current balance of the particular address. After that wallet will have a Merkle-tree prove that transaction is indeed on a ...
0
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1answer
25 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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2answers
117 views

extract wallet address from private key

I am using bitcoin core library in node js. const privateKey = new bitcore.PrivateKey('testnet'); const address = privateKey.toAddress('testnet); When i console.log it, it get result as below. How ...
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1answer
760 views

Reg: Watch only Address

I have been given " Watch only Address" by one of my friend.. 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 for the ...
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1answer
146 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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1answer
51 views

Bitcoin node and sending transaction

Is there any bitcoin free full node (both mainnet and testnet) available online that i can make use of like infura for ethereum? This is because i do not intend to host my own node. Also which ...
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1answer
56 views

How can I Implement an iOS Wallet? [closed]

What are my options in terms of APIs/SDKs to use as an iOS developer in order to initiate BitCoin Transactions from an App? Thank you very much in advance!
1
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1answer
40 views

Large number of dust inputs sum to nice round numbers. How and what wallet used?

Consider the bitcointalk donation address 17RTTUAiiPqUTKtEggJPec8RxLMi2n9EZ9. This has many incoming transactions with large number of dust inputs (hundreds) that sum to nice rounded numbers as in ...
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votes
2answers
165 views

Can the wallet's balance be deduces from the wallet's address and the blockchain's history? Is this concealable?

Since all bitcoin transactions are public, I guess that all transactions could be summed up to get any wallet's balance. Thus sharing a wallet's address means sharing the whole wallet's data. Even ...
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1answer
56 views

Set up eclair wallet 0.3.1 but cannot send onchain funds

I filled my wallet with some btc then wanted to send coins onchain and it seems there is no that possibility ?
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2answers
135 views

Is there any wallet that that sets fee based on input amounts (not tx size)?

Generally the fee is based on tx size in the wallets I am aware of. Is there any wallet that allows setting fee based on a fixed fraction of total input value (say, 1/1000th of the inputs value)? ...
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2answers
56 views

Which wallets are built deterministically? (Besides Bitcoin Core)

Bitcoin Core can be built deterministically, allowing anyone to compile the software themselves and compare it to the released version to see if they're identical. Presumably, software forks of ...
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0answers
32 views

Which Wallet to use for Exchange having REST api

One of my friends is building a crypto exchange using REST api and I was wondering which open source wallet (hd wallet with multisig) will provide me blockchain api services in REST api (insight, ...
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0answers
26 views

How to store bitcoins to easily claim hard forks later?

I had my bitcoins kept in a milti-signature, segwit address. After the fork of Bitcoin Cash, Gold, etc., I got to know that I can't claim my fork coins (or very difficult to claim, if possible). I ...
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0answers
115 views

Do we have complete REST api for Copay wallet services?

I'm looking for complete REST api library for copay wallet services that includes all insight operations, wallet operations (create wallet, derive new address deterministically, send BTC to multiple ...
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2answers
374 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
96 views

How do exchanges automatically forward deposited bitcoin?

Most crypto exchanges have some sort of buffer address (unique for every person) where you deposit your bitcoin and then this is sent over to their main wallet and your account is credited with the ...
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1answer
2k views

How to hack a Password of Private Key

I have a Private key and then after I entered it, there's another saying "Input a required Password of Private Key" So how can I hack or generate that?
1
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1answer
247 views

Fetch Balance of wallet without Core wallets of all coin?

I'm creating an exchange like service, I need some for showing all transaction to user like deposit and withdrawal but I'm not using core wallets of any coin, using paper wallets for wallet creation ...
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1answer
73 views

how to create web wallet for bitcoin

I want to create a web wallet for bitcoin in which anyone can create their account and do the transactions but my node allow me to create one desktop wallet only. so i am not getting how this ...
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votes
1answer
230 views

Where can I find documentation about interacting with bitcoind's json-rpc?

I have created a coin by forking Bitcoin. Now I want to create web wallet for this, but do not know how to create json-rpc apis to communicate with the daemon server. Is there any proper documentation ...
4
votes
3answers
140 views

How can I safely store and trade Bitcoin and other crypto currencies?

How can I safely store Bitcoin? Exchanges require me to deposit to trade, is this safe? If I can't trust exchanges, what is the best way to safely store my cryptocurrency and transact it?
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2answers
313 views

How to find top 100 richest bitcoin wallet addresses on given date?

There is a list of top richest bitcoin wallets at this moment. How can I find the list of top richest wallets on other dates in the past?
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0answers
36 views

Metamask keeps “forgetting” my tokens

Apologies if this has been answered. I have run several searches to see if this question has been asked before, but my search technique might be suspect. I have a MEW in Metamask using a Chrome ...
0
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1answer
26 views

Average payout of mined bucket? [closed]

What is the average payout of mined btc from blockchain to blockchain wallets?
0
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1answer
34 views

IPAD lost with Ripple wallet

Lost my Ipad with Toast ripple wallet. I have wallet address, recovery keys and phrase. Can I create a new wallet and send the coins from old to new?
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0answers
138 views

Building a simple spv android wallet for an altcoin Please help!

I am currently trying to build an android wallet for an altcoin that was forked from litecoin. I have been looking at the loafwallet to change the parameters: https://github.com/litecoin-foundation/...
2
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1answer
280 views

Lightning Wallet (lnd) - Export Private/Public Keys?

Is it possible to export keys from a Lightning Wallet, specifically lnd? I started opening my first channels, and most of what I'm reading says that you want to monitor your wallet balance (in the ...
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2answers
111 views

Impossible to restore Copay wallet on new phone

I just changed my phone and reinstalled Copay. I'm trying to restore my BTC Wallet from the 12 words key phrase i saved, but copay keeps telling me "impossible to import.Wallet Recovery sentence is ...
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0answers
24 views

Ask about bitcoin forked coin network

I have PIVX source code.... i modifiy something like seeds , ipv6 of seeds. now this don't sync (that i want , i want to make a altcoin from this source without creating new geneis block , because i ...
2
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1answer
49 views

How do Open Source Blockchain companies Stay Competitive?

I understand the importance of having secure code and your customers trusting your brand. What I do not understand is how do open source blockchain companies like Wallets stay competitive when their ...
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1answer
220 views

Can the Large Bitcoin Collider project 'break' into offline hardware wallets like the Nano Ledger S?

Let's say the Large Bitcoin Collider manages to guess the private key of a particular Nano Ledger S. Can they then 'spend' or 'steal' the Bitcoins on the Nano or 'send' them to another wallet?
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1answer
66 views

Difference in balance in my wallet and in btc explorer

I am coding a website to get BTC balance from explorer using the following url: https://blockexplorer.com/api/addr/3CyZgGhkhE3z2WY8E5ztPMRYCDdg1hdD7g/balance The problem is that the balance appeared ...
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votes
1answer
92 views

Someone have stole my BTC

Someone have stole my BTC is anyway to recover my BTC amount. I use Copay wallet and someone from Russia has loged in my account and transfered to other account all my BTC. Is anyway to recover my ...
2
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0answers
28 views

bitcoin addresses in one wallet

How do explorers like https://www.walletexplorer.com/ recognize all addresses in one wallet? What is the relationship between addresses in wallet?
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1answer
166 views

How to disable mining functionality in wallet debug console?

I am creating a new altcoin and i cant seem to figure out how to disable mining functionality with wallets using the debug console window. I am trying to mine all the coins myself, is there way to ...
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0answers
64 views

Should a new wallet still support non-segwit addresses?

So I've been required to design a new HD bitcoin wallet. I've checked BIP49 and BIP84, which in short propose new purpose fields for derivations that will result in P2WPKH-nested-in-P2SH and native ...
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1answer
31 views

Ethereum in Trezor

I understand that each of Ethereum addresses in Trezor represents standalone Ethereum account. But doesn't this bring problems with sharing funds between your accounts? If 100 people send me 1eth on ...
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1answer
46 views

Altcoin Wallet based on Litecoin source [closed]

I create my own altcoin based on litecoin source version 0.15 . I have any seed seted,but i have in wallet config addnode=ip. Why my wallet don t sync with blockchain ? It sync if i mine.....
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2answers
210 views

In the QBundle Burstcoin Wallet, why is a fee of 1 BURST required to set the account info?

The QBundle Burstcoin Wallet (v2.0.4, installed to Windows 10) requires a fee of 1 BURST to set the Name, Description, and Passphrase for the wallet. Admittedly, the fee is very low (worth about 2.5 ...
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1answer
59 views

Hardware Wallet Security if Computer App (MEW, Ledger, Trezor) is compromised

I have bought a Ledger and Trezor. I don't want to use My Ether Wallet, it gets hacked! I just want to go from the exchange to the Trezor. But, I have about 15 ALT COINS and I'm reading and hearing I ...
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0answers
165 views

How Can I tranfer my bitcoins from watch only wallet, If having Private key, but forgotten private key password

I have wallet on the blockchain.info, I have one main wallet, another one have watch only address, I have private key for it, I want to spend coins from my watch only wallet. But I lost the password ...
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0answers
134 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 ...