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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30 views

can an ethereum contract control alternative assets like btc?

can ethereum contracts control other assets, where the actual contract owns the btc and will only release it back to the address it was sent from (to avoid a DAO type hack) once a certain signal is ...
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1answer
212 views

word length in mnemonic phrase

What is the standard length of words in the mnemonic phrase for various ethereum wallets ? I need to know this in order to decide what should be the choices given to the user while creating a ethereum ...
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2answers
676 views

Should My ERC721 Show In A Wallet?

We've created and deployed a contract to mint and issue an ERC721 token. I've gone to our admin page in our dapp and "sent" 3 of them to my personal address. When I check my address in etherscan I ...
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Mineable Tokens? Is it possible? If so, how can I make one? [duplicate]

Just wondering if you could make a ethereum token that is mineable. I saw this link, but don't really know about it and i dont know anything about solidity. Can someone please help me? Thanks, ...
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215 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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Error creating contracts on Ethereum wallet. Need help [duplicate]

I am trying to create an ERC20 token off of ethereum, but when I put the code in the editor in the ethereum wallet, I get a weird error. It says: "throw" is deprecated in favour of "revert()", "...
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0answers
309 views

Storing private key in javascript variable or local storage

I am creating my own wallet as hobby project. I want to avoid using metamask, so idea is to store private key encrypted(AES) on my server, where salt will be my password. When I enter password and ...
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1answer
138 views

Usage of the account part of a derivation path to generate Ethereum addresses

I recently read that Ethereum doesn't use the part of the BIP44 derivation path dedicated to accounts. What happens if I still use it? I just tried generating addresses under this path m/44'/60'/1'/0/...
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1answer
154 views

How do you calculate a wallet balance in the world of shards?

I have a general question about calculating account balances in the new world of sharding. In the Bitcoin blockchain, in order to accurately calculate someone's wallet balance, you have to analyze ...
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1answer
33 views

Accounts and Wallets

Testing the GethJS console commands. I put in practice the personal.listWallets and personal.listAccounts. The first return me this value: And the second command return me this: It seems that are ...
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1answer
191 views

Staking Ethereum

Brand new investor to crypto but have been reading as much as I can on the space over the past couple months. I am looking for someone who could help me me a with a step by step guide on how to stake ...
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1answer
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I accidentally sent ERC20 tokens to my Ledger Live wallet, which does not support them. How do I get the tokens out?

The Ledger Live wallet does not support ERC 20 tokens. How do I see and remove ERC20 tokens accidentally sent to a Ledger Live wallet address?
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1answer
560 views

Creating wallets with Web3j

I generate a code to create wallets for a private chain made with ethereum. String password = unlockAccountParameter.getPass(); ECKeyPair keyPair = Keys.createEcKeyPair(); WalletFile ...
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1answer
208 views

How to get Seed or pwDerivedKey with upload keystore from eth-lightwallet?

<html> <body> <script src="./lightwallet.min.js"></script> <script type="text/javascript" src="web3.js"></...
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2answers
738 views

How to use a metamask Wallet from web3,py?

I deployed contracts to Ropsten test net using truffle and a metamask wallet to pay for the transactions and Infura as a Hosted ethereum node. To do that in Truffle, I have to use the truffle-...
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1answer
91 views

Use DNS TXT records for wallet address resolution?

Are there any Ethereum wallet projects using DNS TXT records to resolve wallet addresses? Setting a TXT record would allow users to have a human readable wallet "address", eg $ dig example.com TXT ...
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2answers
60 views

Will a transfer go through on a testnet transaction on meta mask to luno

What if you sent your ETH on the Ropsten testnet via Metamask to an ETH platform gateway like Luno (https://www.luno.com) ? Will you receive your Ether and will it reflect on that account? I've done ...
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1answer
159 views

ethers.Wallet.fromEncryptedWallet is not a function

I have the following code to create my own wallet: var ethers = require('ethers') let data = {"address":....} var password = "***"; var json = JSON.stringify(data); ethers.Wallet....
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1answer
1k views

Getting TX is not defined when trying to send signed transaction [closed]

I am trying to learn how to send a signed transaction using web3 1.0 and Infura.io. I have node.js running locally for testing. I can successfully create an address and check balances but am getting ...
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3answers
362 views

how to generate mnemonics from randombytes

I am able to get the randombytes using react-native-crypto-js const words = CryptoJS.lib.WordArray.random(32); Is that possible to generate mnemonics using random bytes.
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1answer
68 views

How do I send coins over personal blockchain?

What I have done --> I have created my own blockchain which is basically forked from Ethereum. So everything that can be done on Ethereum, can in theory by done on my blockchain. I can run a local ...
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1answer
464 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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Wallet files in a Dapp

I am developing an application from the truffle webpack and I have created my own wallet, adding my account to a json file: $.getJSON('../wallet.json', function(data) { var password = "xxx"; ...
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1answer
702 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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1answer
89 views

How to set solidity compiler to Mist wallet

I'm trying to create contract in Mist wallet, but it says: Source file requires different compiler version (current compiler is 0.4.24 What should I do to write on 0.4.25 in Mist wallet?
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2answers
174 views

Any options to remove dependency on metamask before we get integrated crypto wallets in browser?

Metamask is quite complex for non-crypto savvy users, and lately it was very unreliable(two reverts last week). What potential options do we have to decouple our dependency from metamask? I was ...
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0answers
363 views

Mnemonic and HD Path in Ganache and ethereumjs-tx gives different private key and address

I am having difficulty reproducing the private key and address using the mnemonic and HD path provided by Ganache. Mnemonic weird farm vast surge upper truth answer end radar impact mind jeans HD ...
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1answer
139 views

Wallets report 0 balance for address but balanceOf is right

Given this contract using Openzeppelin lib: contract Token is StandardToken, Ownable { string public name = ""; string public symbol = ""; uint8 public decimals = 18; constructor(...
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1answer
611 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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110 views

Tutorials for creating ethereum wallet in android?

I saw a similarly named question over here but I sort of felt like it was closed by linking an irrelevant question which just lists existing ethereum wallets. As I understand, I should have the ...
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1answer
252 views

How to combine a MultiSigWallet with the advantages of a HD Wallet?

For a token sale we want to use the MultiSigWallet from ConsenSys where all team members will registered as signer while every transaction needs to be signed by at least 2 team members. Otherwise we ...
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3k views

Login system for DAPP without metamask

I'm building Dapp on Ethereum. Imagine I have companies to register in my dapp, I will provide them with their own smart contract and public and private key pair, which they will use to just unlock ...
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4answers
67 views

how does myether wallet works (website)

I want to create a website where my users can register and login but not using any kind of database. I want to use public/private key. Let's take https://www.myetherwallet.com/. It says that It doesn'...
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1answer
352 views

how can ethereum addresses are same between different networks (testnet & Main)?

I found, Wallet address are remain interchangeable if i switched between the different networks(Main Network , Ropsen Network & Rinkeby Network) is it assigned to particular machine IP, if not ...
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52 views

How to import the web light-wallet into metamask?

with the same seeds it looks like it will generate different addresses, is that because i am using the testing node or? If I use the same type of node, I can import the light wallet into metamask ...
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is light-wallet has problem for keys and addresses?

somebody said for light wallet on github, the address generated and private key is wrong? I saw on post, is that true?
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1answer
113 views

Hello…need help for college

My idea for college was to make contract where the total amount from contract is shared equally between 2 partners on testnet I am using Mist and have two wallets (accounts) one is called the MainAcc ...
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1answer
175 views

How is it determined if a passphrase has correctly decrypted the private key for a wallet address?

When I load the JSON file of the wallet into MyEtherWallet, how does it determine if the passphrase is correct or incorrect? After I initially give a passphrase to encrypt my wallet's private key, is ...
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3answers
315 views

I am kind of new to ethereum, but can someone explain me difference between metamask accounts and geth account new

I am kind of new in the world of Ethereum. Can someone help me understand the difference between account created using metamask and the one using geth command? I am building an app, which is ...
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0answers
101 views

mist or wallet for macos can't connect to private-net

mist or wallet for macos(version 0.11.1) can't connect to private-net. using command: ./Ethereum\ Wallet --rpc http://localhost:8545 but mist or wallet (version 0.9.3) works. why? tks!
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0answers
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I noticed for light wallet,it is BIP32 and BIP39,how can I import the wallet into metamask

I use github light wallet, it is BIP 32 and BIP 39, how can I import the wallet into metamask or myetherwallet, I tried but not working, also, the default path is m/0'/0'/0' in light wallet
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2answers
265 views

First Time Ethereum Wallet User Setup Questions

I will try to make this a fast post with just a few questions I cannot figure out the answers to: I am trying to accept/send ETH payments and have downloaded, installed, and created a wallet using ...
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1answer
39 views

Confirming sender identity read function call with MyEtherWallet.com

It does not seem to be the case that MyEtherWallet.com is supporting read function sender restrictions such as onlyOwner modifiers or similar, so basically it is impossible to restrict particular ...
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1answer
151 views

Strange ERC20 “withdrawals” from a secure wallet

I have some ETH and ERC20 tokens at an address whose private key is secured by a hardware wallet. I'm confident the private key has not been disclosed to any third party. Yesterday, however, I ...
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1answer
657 views

How to generate a seed for multi-currency wallet?

I am developing a mobile wallet that supports multiple currencies (including Ethereum). As of now, it only supports one currency. The RPC wallet creation function for this currency returns a private ...
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2answers
377 views

Where does Ethereum store EOAs and public keys?

I am currently having a hard time finding actual reliable concrete sources for an answer to the question what information exactly is stored on the ledger and what is not. Specifically, Ethereum knows ...
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1answer
29 views

What happens when crypto is sent to my offline desktop wallet?

I'm planning a switch to a desktop wallet for my crypto accounts. My first choice is Exodus (exodus.io). I understand that because it's a desktop wallet, the machine it's running on obviously needs ...
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Web3J - Creation of Light Wallet takes too long

I am creating the wallet in my Android app, using the library Web3j: https://web3j.io/ See the code: String seed = UUID.randomUUID().toString(); ECKeyPair exKey = Keys.createEcKeyPair(); WalletFile ...
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1answer
159 views

How does Mist get access to all accounts in the private blockchain Geth node?

I have a private blockchain node hosted somewhere in the cloud. And, I'm using Mist to access the accounts inside that node. Since it's private node, I just store the private key inside that node and ...
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How does online wallets handle ERC20 tokens behind the scenes? [duplicate]

Described in the title: How do online wallets handle ERC20 tokens behind the scenes? Or centralised exchanges in that matter. Are they simply communicating with the ethereum blockchain to generate ...

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