Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [myetherwallet]

MyEtherWallet.com is an open-source web wallet which allows users to generate wallets, import pre-sale wallet files, and move funds.

0
votes
1answer
16 views

What is difference between geth, myEtherWallet and etherscan

I am new to blockchain technology and learning it, there are many terms of blockchain which confused me like geth client, meta mask, etherscan and myEtherWaller. I used geth it's a ethereum client to ...
0
votes
1answer
14 views

Parity Mnemonic or Keyfile not compatible with MEW?

I'm on a new computer and I have 2 ETH addresses I created on parity in december 2017 and february 2018. Now I thought I followed the plan on what to do to secure the addresses but when I enter the 12 ...
0
votes
1answer
17 views

Staking of coins

I have a question on staking of coins. Suppose there are 10000 tokens in a user wallet, and he wants to put 5000 tokens on staking for a certain time period (i.e That 5000 tokens should go to an ...
0
votes
1answer
46 views

Error: Node error: {“code”:-32015,“data”:“Reverted 0x”,“message”:“VM execution error.”}

I deployed my smart contract on Kovan Etherium testnet. After that, I am trying to interact with smart contract methods using web3 1.0.0. Below is my node js code: var Web3 = require('web3'); var api ...
0
votes
0answers
25 views

How to use MyEtherWallet API to generate ETH Wallet Address upon signup in Laravel

We have a Laravel project that is currently developed now. However, we would want to create an Ethereum Wallet Address upon signup but we don't know what to do with it. We have downloaded a GitHub ...
1
vote
1answer
39 views

Access deployed smart contract using web3.js

I am new to Etherium smart contracts. I have created a smart contract and deployed it on https://kovan.etherscan.io. Now I am trying to access this contract from node js. below is my code but I am not ...
0
votes
1answer
33 views

How to automatically pre generate thousands of ETH addresses for my app users

I'm building an app where every user will have app-generated ETH Wallet to do transactions with internal ERC20 Tokens. I would like to pre-generate wallets for my users, and assign every wallet upon ...
0
votes
0answers
10 views

How to generate wallet using MyEtherWallet source codes?

I'm trying to do a simple task of just generating public address and private key on a simple site using MEW codes from https://github.com/kvhnuke/etherwallet I couldn't find like a function that I ...
0
votes
0answers
33 views

Can't open my Ethereum json keystroke file on Myetherwallet: “not a v3 wallet”

I really need help (Newbie), I have an old encrypted json keystroke files, I have the private keys in it if what I understand it correctly?, I have the password to open it. and I used it for a few ...
0
votes
1answer
21 views

How to send tokens to a address with a specific contract? [closed]

I want to send tokens from my wallet to a crypto-currency exchange website wallet with a specific contract used by the crypto currency exchange website. For example- I want to send token to this ...
1
vote
0answers
42 views

How to send Custom tokens ERC20 fromWallet - ethers.js

I have tried this solution and it worked but only if I use privateKey of the wallet which I used to create custom tokens but what if I want to send from B wallet to C wallet and when I am trying it, ...
1
vote
2answers
46 views

How to add an address for which I have the corresponding private key into MEW?

I'm quite new to Ethereum, so, pls, forgive me if I say something wrong. How can I see the balance of one already existing address, for which I have the corresponding private key, in MyEthereumWallet?...
1
vote
0answers
30 views

scatter confirmation for sign a transaction?

I have built an dapp. It's almost like twitter where the user can tweet and also use as a microblogging site in blockchain.I have used scatter as transaction signer for using my dapp. The real problem ...
1
vote
0answers
33 views

MEW iOS App crash on contract deploy

I'm trying to deploy a contract via the UI on http://myetherwallet.com/. The contract was created with the Remix online IDE and when pasting the bytecode and ABI/Json interface contract pieces, the ...
0
votes
0answers
31 views

How to import Txhashes to ETH cold wallet?

I would like to import Txhashes to my cold ETH wallet. The tx's are done on a connected device and transferred securely via QR codes. I can do this with BTC in Electrum but have found no way of doing ...
0
votes
1answer
33 views

solidity code warning in remix IDE

I am trying to create a smart contract using the but it is showing warning message in a string "Warning: Unused function parameter. Remove or comment out the variable name to silence this warning. ...
0
votes
1answer
27 views

Recover myetherwallet account with json but without password

I have lost my usb stick which contained password for access to my myetherwallet. Are there any ways to recover that, only thing I have is .json file, can I get from it private key or is there any way ...
0
votes
0answers
25 views

Myetherwallet Balances?

I was testing on (Ropsten) Myetherwallet, everything was fine yesterday morning, then that evening, my balances (Ropsten Ether and Tokens) would not show. I was getting "(error_21) Not a valid ERC-...
1
vote
1answer
102 views

ERC20 Bytecode for Main net

I'm trying to Deploy my ERC20 contract in Ethereum main net, but I'm not sure about the bytecode. I have seen a lot of tutorials but nobody tell something about uploading on main net and bytecode ...
1
vote
0answers
20 views

Wrong price showing in etherscan [closed]

Etherscan Showing the Crowdvilla Ownership tokens price 0.8754 bt according to CoinMarketCAp the value is $0.07 This is so confusing. And I faced it the first time. Please, someone, answer me if I was ...
0
votes
0answers
41 views

i am trying to send a signed transaction for my solidity code but i am encounting some error can anyone suggest me the fix?

pragma solidity^0.5.0; import "./TokenSale.sol"; contract Dice{ TokenSale public tokenSale; address tokensaleaddress; struct player_details{ address pAddress; string ...
2
votes
1answer
39 views

Burn the rest of the token after airdrop is complete

I have started to develop blockchain and learn solidity. I tried making a smart contract with the 200M supply, the creator only held 50M of the total supply and the rest was in the smart contract for ...
0
votes
1answer
42 views

How to add True USD on Myrtherwallet [closed]

i want to buy some true USD tokens, how should i add it on myetherwallet?
1
vote
0answers
155 views

MyEtherWallet and transfer of Token (CLO) question

I cannot transfer my CLO to my new Ledger from MyEtherWallet. i get the not enough gas error even though i have .5 of ether on the same wallet. most likely i am missing something simple. can see the ...
0
votes
1answer
80 views

ERC-20 Token Transfer Error

No matter how much gas I use, I get this error : ERC-20 Token Transfer Error (Unable to locate Corresponding Transfer Event Logs), Check with Sender. When I try to transfer tokens managed through ...
0
votes
2answers
22 views

Can't find v, r & s values in the signed transaction of myetherwallet

I tried to create a simple transaction using myetherwallet by importing my account from metamask. Once I've put the 'to' address, ether value and gas price, I clicked on 'generate transaction' which ...
0
votes
1answer
35 views

How to save and retrieve the investors address in a crowdsale contract

I am writing a ICO code which should have the following functionalities To save the address of every investor and To retrieve all the investors address and the amount invested Question What is the ...
1
vote
1answer
55 views

ERC20- Error encountered during contract execution [Reverted] Transfer Already Created Token

I have created contract on Ropston TestNet which will send any already created tokens. Unfortunately its giving me error Transaction Details Available at: https://ropsten.etherscan.io/tx/...
1
vote
1answer
267 views

How to hide my eth balance [duplicate]

i want to hide my eth balance from myetherwallet, etherscan , ethplorer .how to hide my eth balance in my ether wallet , etherscan , ethplorer. any methods available, please reply thanks
1
vote
1answer
185 views

Invalid sender when sending Raw Transaction, signed w/ ethereum-tx on PHP

I am using PHP and ethereum-tx library https://github.com/web3p/ethereum-tx to sign transactions but when trying to send them to the node I got an "invalid sender" error. Besides, exactly the same ...
2
votes
1answer
787 views

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?
1
vote
1answer
52 views

How to make fair gas consumption of smart contract users

i have made a contract that 2 users participate in the smart contract, both users do the same steps however i notice it that user1 pay more gas ( transaction gas and execution gas ) than user 2 any ...
1
vote
0answers
46 views

EtherWallet to Etherscan

Seems that my EtherWallet Private Key takes me to a different account that doesn't show my correct Etherscan/Private EtherWallet address in Acct. Info. It instead shows my AION address (happened when ...
0
votes
2answers
32 views

Do I need to buy Eth for the transaction?

recently I've completed my transaction from empowr to ether wallet about 1003 empowr coin in total. But, the real problem is that the money doesn't show up in my wallet. But in etherscan it shows that ...
0
votes
1answer
31 views

How to call nameless function from contract, say “fallback” function(){}

I mean I am using myetherwallet and there I paste the ABI, yet the ABI has all functions described except the function (){}, so should I make up some name and just call it, would this ever work or? ...
1
vote
1answer
367 views

How to generate test funds for Infura Ropsten Network wallet

I have been using Web3.py, and Web3's TestRPCProvider to create some utility functions in Python to deploy a smart contract meant to generate an ERC20 Token, and then communicate with that smart ...
2
votes
1answer
252 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 ...
0
votes
1answer
256 views

How to withdraw ETH from Contract to Owner wallet?

I have created contract instant token buy by people and ETH going to my Contract address .How i can transfer from Contact to Owner Address by using mytherwallet>Contract>Withdraw or another function ? ...
2
votes
0answers
11 views

How to create link for filling up form in MEW

I have link for filling up forms in MEW. I want to generate link for deployment contract for this page. How can I generate link for filling up byte code in form?
0
votes
1answer
35 views

what encryption does myetherwallet use?

I am trying to use the encrypted ethereum private key created by myetherwallet within my application. Everytime I need to send money, I will input my password so that my application can decrypt it and ...
0
votes
1answer
207 views

Move ERC20 tokens from Ethereum Wallet Contract to Account

In my Ethereum wallet i am trying to access my wallet conract. If I sync in light mode and import the wallet contract address it just stays there displayed, greyed out and nothing happens, no matter ...
6
votes
2answers
1k 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 ...
2
votes
4answers
737 views

Login system for DAPP

I'm building Dapp on Ethereum. The main feature of this Dapp is Register/Login logic. I Don't want to use Metamask, but I want to make Login system like MyEtherWallet without any chrome extention. ...
-1
votes
1answer
408 views

MetaMask => Ledger Nano S

I sent 20 AION from MetaMask to my Ledger (Nano S)'s Ethereum 1 address, and it shows up when I paste in this address at https://www.myetherwallet.com/#view-wallet-info But if I instead connect to ...
2
votes
0answers
216 views

Error when verifying signed message on Etherscan

Why is it that my message on etherscan can not be verified correctly? I always get this message: I'm sorry! Signature message verification failed
1
vote
1answer
70 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 ...
1
vote
0answers
48 views

How to integrate myether wallet in ICO crowd-sale application with python web3.py library

I am new to ethereum block-chain. I am learning to implantation of Ethereum decentralise application with python web3.py. I successfully compile and deploy smart contract with web3.py. Now, I want to ...
1
vote
0answers
52 views

(C#) How to transfer tokens

I am trying to transfer tokens from myEtherWallet and Codebase in C#. I found a code sample https://github.com/maxpaynestory/Nethereum.ERC20.Token.Transfer.Sample/blob/master/EthereumClient.cs and ...
1
vote
2answers
100 views

Querying the Smart Contract?

If I have a network made of IoT devices (contain 1000000 device). I need to manage them using a smart contract. And that contract contains a constant function (to avoid paying gas). How can this ...
0
votes
1answer
75 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 ...