Questions tagged [wallets]

Wallets are applications on top of accounts, so called smart contracts, which manage your Ether. There are simple savings wallets or multisignature wallets.

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How can I change the 12 word phrase in my trust wallet?

I created a ETH trust wallet on my phone for someone and he has now imported the trust wallet to his phone. Is there any way to change the 12 word phrase or somehow give the sole control to the ...
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Wallet Question - Hardware - Software

thx for the post. I had a few questions. When running this command: geth account new Does this create a wallet? What if I have a hardware wallet and do not want to use a software wallet, is it ...
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ReferenceError: window is not defined [closed]

I found this solution to work around with now new way of wallet integration, but getting Window not defined error..... I am using Node/Next/React Js from a tutorial and trynna modify it since his ...
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Is there a way to access my wallet's private key? Recovering passcodes?

Not sure if this is appropriate here, but I'm trying to recover a lost wallet by brute-forcing the passcode. From a previous answer to the same question, it seems like the developers decided against ...
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How Does Exchanges Implement Gas Fees for ERC20 Tokens

Any crypto exchange like binance, bitfinex and so on let you deposit and withdraw various ERC20 tokens. Technically I don't understand how they implement gas fees when I withdraw? I deposited 100 ...
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Says Transaction not executed but the funds still went through

Mac Ethereum wallet says "transaction not executed" but the funds still went through: https://ropsten.etherscan.io/tx/0x11ac91b6aac99eb02afe078b8786a9f1672929f65c73ee68e51b9e0ccc91036a But my ...
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1answer
117 views

Should I use the same wallet address everywhere, or different addresses?

I'm fairly new to Ethereum and I'm interested in learning about standard practice. I currently have three wallet apps I use for Ethereum: The official Ethereum Wallet for macOS MetaMask for Chrome ...
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If I have several wallets with the same address, how to deal with nonces?

I access Ethereum from several wallets. Some of the addresses are present in several wallets at once. I discovered that nonces should always increase. (Right?) Then if I send transactions from several ...
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4answers
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How to implement a watching wallet for thousands/millions of addresses

I need to check for customers' deposits and need to scan for receiving transactions for those addresses for Ether and in next step ERC-20 tokens. What's the most efficient way to do this with go-...
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1answer
16 views

Cold wallets & dapps

I am new to ethereum and curious about interacting with dApps while keeping a private key in cold storage. I like the idea of keeping the private key for an Ethereum wallet on an air-gapped computer. ...
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35 views

Unknown Accounts suddenly appearing in MetaMask wallet…?

My MetaMask wallet has multiple accounts which I did not create. I have no idea how they there. Is my MetaMask wallet compromised? Or is this normal that MetaMask creates new wallet addresses when ...
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Walletconnect Signing Transaction not creating request in client [closed]

The signing of Transaction is not creating confirm or reject request in the mobile client. Sign in using QR code is working We are using quorum as our RPC. Initialising of connector works but signing ...
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How to forward tokens without paying a gas [closed]

I'm working on a project and I need to know if this statement is possible: I have 10 registered users. Each user has an erc20 wallet. It is possible that when user A, C, E, or whoever deposit their ...
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1answer
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Transaction Failed but showing as Pending on Etherscan

So I just started using ether after the same was legalized in my country (India). I use Coinbase Wallet for my Storage of ether. I decided to shift to Metamask from Coinbase Wallet and as such ...
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1answer
148 views

how do I track my wallet transfer?

Can someone help me. I was looking to see whats taking so long from coinbase to my wallet and I found this on redit. So how do i track my transaction from my wallet from coinbase to my other wallet? ...
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1answer
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How can we lock ETH in user wallet without escrow contract?

I know the logic of using an escrow contract in which 2 or more users send their wagered ETH to a smart contract acting as escrow proxy, and then after some decision contract executes we release the ...
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1answer
22 views

Recover all the account under Mnemonic using ethers.js

I am new using ethers.js const { Wallet } = require('ethers'); const wallet = Wallet.fromMnemonic('one two three four ...'); I want to use that code to recover all the accounts from that Mnemonic. ...
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Can send ether from geth account to wallet, but not from wallet to geth (invalid sender)

geth is running as a private network. It has its own accounts, stored in its keystore. One of them is used for mining. The others are funded with ether. MyCrypto wallet (desktop version) is connected ...
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1answer
113 views

Can Solidity return values in a specific unit so that the Wallet shows them nicely?

I asked this question, and then I figured out the answer with help from folks here in this exchange. QUESTION I have contract functions that return a uint256 amount. This amount is related to the ...
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1answer
77 views

Parity wallet stuck in addressbook

I transferred eth to my parity account and then to my parity wallet. I accidentally erased the account, and it also erased my wallet. I got them back, but now my wallet is stuck in my addressbook. I ...
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1answer
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Alternatives to MEW for advanced users

I am looking for an alternative to MyEtherWallet. I am facing some issues with MEW, thus I am looking for alternative, preferably with more advanced functions - like for example allow me to "...
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Setting up a desktop wallet with a private network on geth

Disclosures: I've never set up a wallet before, and am new to geth. I'm not worried about security right now. My goal is to set up several wallets on my private chain (if possible) in order to learn ...
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1answer
92 views

How to setup clef signer with clef --stdio-ui

I have geth running on rinkeby network and successfully used clef as a signer using command. clef --keystore ~/.ethereum/rinkeby/keystore --chainid 4 --stdio-ui Also started geth with clef as ...
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1answer
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MetaMask listed as “web wallet” on official Ethereum website

MetaMask is listed only in the "web wallets" section of the official Ethereum wallet guide. Obviously, MetaMask is written in Javascript and runs in a web browser. But this is also true of the ...
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3answers
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Transfer Ether from my wallet to another wallet

I have a wallet at MyEtherWallet.com . Is there any API which allows me to transfer Ether from my account to different accounts ? Does MyEtherWallet provides any such API's ? I saw the documentation, ...
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Wallet of ERC20 token

okay so i am making a mobile application where i want to place the ERC20 wallet with that application ? so my question is : is it possible to do this ? how much will it be secure ?
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1answer
114 views

Synching Ethereum node - do I need to start geth seperately?

I installed Ethereum 0.9.1 from Github on iMac running macOS 10.12.6. Synching 6 days now & still going. Documentation on all things Ethereum is garbled to say the least. Does anyone know if I now ...
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create a mobile wallet for my ERC20

Does anyone know if is there any open source code mobile wallet (Android or IOS) that i can use to store and transfer my custom ERC20 token. I would like to be able to modify it in order to allow it ...
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1answer
112 views

What are the odds of getting same address or private-key or 12/24 set of mnemonic to 2 different people

Questions!! What are the chances that 2 people get the same set of those 12 or 24-word mnemonic?? In web3.js, there is a function ' web3.eth.accounts.wallet '... It spits out a set of accounts and ...
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97 views

install ethereum wallet on local computer

I want to be able to transfer ether from an online exchange to a private wallet on my local computer. How can I install a safe standard wallet? Do I need to install ethereum blockchain first? If so, ...
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1answer
140 views

Geth --fast -rpc snycing issue

I am using the ethereum wallet on xubuntu 17.04. I have been using geth --fast --rpc to sync since geth --light will not connect to peers. I got this error for geth --fast --rpc syncing
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ETH wallet error

I want to download the ETH wallet and make light synchronization on my PC. I downloaded ethereum wallet, but after launch, the Checksum mismatch in downloaded node crashes! MD5: 308 ... Please install ...
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1answer
612 views

Generate addresses using xpub

I have a cold storage where I installed BTC-Electrum and LTC-Electrum wallets. So I have took extended master public keys and have generating addresses in my online service. Now I want to generate ...
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In Web3, why is simply signing transactions with private key more secure than unlocking the account and using sendTransaction?

In Can anybody Point out the Difference between Web3.eth.sendTransaction and web3.eth.signTransaction?, the author of https://ethereum.stackexchange.com/a/73705/61096 mentions how unlocking an account ...
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339 views

Which wallets lets you generate multiple ethereum addresses?

Is there a wallet that lets you generate multiple ethereum wallet addresses? I don't like the fact that I only use one address and that everyone can see what I have. Or are there other ways to keep ...
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1answer
433 views

Error: Cannot find module 'ethereumjs-wallet'

A truffle test needs ethereumjs-wallet const wallet = require('ethereumjs-wallet'); I tried npm install ethereumjs-wallet and even npm uninstall ethereumjs-wallet npm install --save ethereumjs-...
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2answers
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Ethereum hangs after 3 days uploading the blockchain, do I even need the blockchain to have a wallet?

I have downloaded and run Ethereum Wallet 0.9.0 Mist. It started updating about 3 days ago. It runs, but then when it is very near the end, e.g. 300-ish blocks to go, it seems to slow down and stop. I ...
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1answer
26 views

How to program a website to accept Ethereum payments

Assume I have a site and I want to give unique address to each of my users that generated by an HD wallet. If each user, send a little amount to his/her address,that it was less than transaction fee, ...
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1answer
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Gnosis Wallet - Multisig not really working as multisig

I'm trying to create a MultiSig wallet for both ETH and ERC20. After doing some research, I found Gnosis, which seemed to fill my need. First I tried to download the local (electron-based) version. ...
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In EtherJs how to find account number of balance change event?

I am creating Ethereum Wallet application & I am using EtherJs for Web wallet development. When I try to listen for Balance Change event for multiple accounts then How do I find account number ...
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1answer
118 views

Troubles importing mist wallet

I am currently attempting to import my old wallet onto a new pc in order to be able to transfer the 2 ethereums that I have stored on it onto an exchange, but can't for the life of me figure out how ...
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2answers
686 views

geth: command not found (Ubuntu)

I have Ubuntu 18.04 installed, and I just installed Mist. To my understanding, installing Mist should have installed Geth as well, but when I do the command geth in a terminal, I receive geth: ...
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1answer
294 views

How do I update Geth when using Ethereum Wallet on a windows 10?

How do I update Geth to the latest version(1.8.10) when I am using Ethereum Wallet on a Windows 10? It is not prompting me for an update to Geth as I skipped it the first time Ethereum Wallet was ...
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19 views

How secure is this memory wallet?

As we know memory wallets more specifically Brainwallet 1.0 is a failed technology. I want to know how secure is this wallet system? It uses blockchain transaction hash and passphrase to calcualte ...
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1answer
29 views

How to update the balance of a wallet user when there are two competing chains?

I am building a wallet, and I have a question about uncle blocks. Let’s say our user sends a transaction, but there are two competing blockchains. If they both include her transaction, no problem. We ...
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1answer
18 views

Any email signIn based blockchain wallet APIs for integrating into web dapps & native dapps (Android, iOS)?

I'm looking for an email SignUp / SignIn based blockchain wallet which provides API for integration into web dapps and native mobile dapps (Android & iOS). During payment routine in dapps, this ...
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1answer
570 views

Install Ethereum Wallet and Mist on Ubuntu 18.04

Hi I am new in Blockchain. I try to install Ethereum Wallet and Mist on Ubuntu 18.04 and I got error as below: Selecting previously unselected package ethereumwallet:i386. (Reading database ... ...
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What is a good wallet service for iOS applications

I am building an iOS app that rewards users with crypto tokens, just like Brave's BAT or Reddit's community points. I am trying to find a wallet service that I can integrate with my iOS app for users ...
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1answer
28 views

derivation path for ethereum?

how are you doing! I would like to know what happens if from a ethereum seed I derive a wallet using BIP49, BIP84 derivation path and then send ethereum from another wallet which is BIP32 or BIP44, ...
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1answer
57 views

Different address make same signature for one message

Is it possible two different wallets (address) make the same signature for one message? I have one message: '...

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