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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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23 views

Opera wallet web3 problems

I am writing a Dapp. I'm not an expert. It works perfectly on Edge, Firefox, and Chrome (with MetaMask). But I get the following error on Opera when the cryptowallet is on but not synced: { "error":...
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1answer
106 views

How to recover/find metamask wallet file

So I had foolishly kept my metamask passphrase only on StickyNotes. This meant when my computer crashed, I had to reinstall all my programs, but all my files remained. For some reason my stickynotes ...
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About Ethereum password

I joined Ethereum 's ICO in 2014. But I forgot my password. I have a keystore file but I do not know my password... So I am thinking of brute force attack on my wallet. Please tell me the password ...
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142 views

How can I provide an ethereum public address to each user registering on my website.?

is it possible to do using web3.js for a dapp that is going to be run on mainnet.? I have a requirement to assign valid ethereum address to each user who are registering on my website. I want this ...
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5answers
222 views

Mist / Ethereum Wallet question

I bought a very small amount of ETH on coinbase just to try it, and I wanted to create my own wallet to get it out. However, I've been trying to get Mist working for 3 days and it is always stuck on ...
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Is there a simple Ethereum address generator that consists only of private key and public key?

I can go to https://www.bitaddress.org/ , download their software to my system, disconnect my system from the Internet, then move my mouse over their page randomly to generate entropy and then get a ...
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2answers
173 views

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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1answer
19 views

How can we create ethereum web wallets?

I am looking to create web wallets compatible with ethereum token standards, similar to this: https://wallet.callisto.network/ Can someone guide me to tutorials or guides as how to create this on my ...
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1answer
72 views

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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3answers
1k views

Ethereum Testnet mobile app wallet

Is there any Mobile Wallet like Jaxx, but with testnet(like, kovan, ropsten)? Please do suggest me, I am workin on the cryto coin transfer application.
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2answers
68 views

any “official” android app?

I've just tried the base program and mist for windows. and wanted to know if there is an "official" sort of app for android. i do not like trusting 3rd parties. I could try the most popular open ...
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2answers
257 views

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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1answer
132 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
27 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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2answers
157 views

Common Gas Wallet for ERC20 Wallets?

We have a wallet structure where users send tokens to individual user wallet addresses generated for them, we then sweep all the funds in the user's wallets to a centralized pool. The individual ...
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1answer
41 views

Building a deterministic wallet without random seed phrase instead multiple static inputs

If I want to be able to create a private key given inputs x,y,z and these inputs are constant, if I add enough entropy as a salt would it be secure to create a key this way (in terms of brute force ...
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1answer
96 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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1answer
25 views

How often Geth/Parity access the archive chain files? Can I store remote?

I'm running a full archive node to receive and send funds (ETH & other tokens also). The size of the blockchain is very large, so I'm thinking about storing it remotely and mount as an sshfs ...
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3answers
2k views

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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1answer
87 views

What sort of malware is this? Is my wallet compromised?

Received a malware type desktop notification (not web) that had my address on there. Is my wallet compromised? Should I change wallets? I was using mist wallet.
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1answer
115 views

When I recreate an Account using a Mnemonic, will it also bring back its private key?

I guess my Question is straight-forward, I would like to know if using a Mnemonic to recreate or import an Ethereum (external) Account will actually make or "bring back" the whole KeyPair (public and ...
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1answer
199 views

Ropsten Test Network

I have created a test token and deployed it on the ropsten test network. I have the full balance in my ether wallet. My question is how can I transfer this token to other wallets? How can I configure ...
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1answer
91 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
70 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
104 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
964 views

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
74 views

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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2answers
105 views

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
24 views

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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1answer
139 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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1answer
111 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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1answer
254 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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2answers
207 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
294 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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0answers
38 views

Combine two addresses into one

I want Solidity code to define a function f that would map two Ethereum addresses A, B into a new address X = f(A,B) such that there is nearly zero probability that X is an already taken address (an ...
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2answers
3k views

How can ERC20 token implementations be verified?

The ERC20 Token Standard is great, in that it allows wallets, exchanges, and client implementations to allow users to interface with a variety of tokens in a common way. But how can one of these ...
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1answer
245 views

Can not see my Envion tokens on MEW

I tried everything in order to see my Envion tokens on MEW myetherwallet, I tried contract adress, symbol, decimals ... I also tried with Envion private key and mnemonic phrase ... I bought Envion ...
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1answer
18 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
415 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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3answers
111 views

Alternatives to Metamask

What are existing alternatives to metamask with that works online inside existing browsers, that don't require installing a browser extension? What are some of the tradeoffs between them?
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1answer
111 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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1answer
2k views

Difference between Account Extended Private Key and BIP32 Extended Private Key

I was using this this useful tool to verify that my wallet generation process was accurate, however when I thought I was generating an Account Extended Private Key, I realized I was actually ...
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1answer
201 views

which wallet is usable with ganache test-rpc?

I tried metamask, but unable to send ether between accounts because metamask is trying to estimate gas and gets stuck :( myetherwallet doesn't save my seed so I need to enter it all the time
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2answers
582 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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0answers
14 views

How can link metamask wallet to create Android and web wallet for ERC20 token

I studied Solidity and Web3.js .I still need to know how can use metamask wallet that use in chrome extension to create as a mobile wallet and web wallet for client side.
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2answers
148 views

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
33 views

What Ethereum wallet I need

I have lots of experience with bitcoind and it's RPC calls. I want similar Ethereum wallet that supports: RPC calls from PHP, Pyhton and similar languages. erc20 tokens. Must work on Linux VPS (I ...
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2answers
652 views

Ethereum wallet/Geth incredibly slow to sync, help?

So I've noticed some people having the issue similar to mine, entitling their post as "very VERY slow to sync" and other variations of that, however they're complaining at around 100 blocks every ...
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2answers
217 views

Ethereum Qr-code with amount?

How should a qr-code be formated with an amount in it? The npm package ethereum-qr-code uses the following format according to EIP-67: ethereum:0x7cB57B5A97eAbe94205C07890BE4c1aD31E486A8?gas=42000&...
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3answers
290 views

How do I transfer Ether from multiple account to one account?

I have a vast amount of Ethereum wallets, all packed with Ether. I need to transfer all the Ether to a single account. I don't want to do it manually. Is there a way to script it or use a smart ...