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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.

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VET coins lost in My Ether wallet [on hold]

Ive sent some VET coins to My Ether Wallet (MEW)recently and to my surprise they do not show up in my account. Ive done some research on how to get the VET coins back and apparently I need the ...
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22 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 ...
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1answer
23 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 ...
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1answer
17 views

How to add True USD on Myrtherwallet [closed]

i want to buy some true USD tokens, how should i add it on myetherwallet?
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0answers
45 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 ...
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1answer
29 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 ...
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2answers
16 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 ...
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0answers
9 views

Retrieving huge data using Read contract in MEW / Etherscan

I have a contract which may return around 30000 address. Will I have any issues like returing only the partial data ? If this is not the best way to retrieve the huge data.. could you please ...
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1answer
25 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 ...
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1answer
25 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/...
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1answer
232 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
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1answer
61 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 ...
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1answer
220 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?
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1answer
38 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 ...
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0answers
35 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 ...
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2answers
30 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 ...
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1answer
20 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? ...
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1answer
113 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
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1answer
117 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
115 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 ? ...
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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?
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1answer
32 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 ...
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1answer
155 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 ...
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2answers
538 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
311 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. ...
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1answer
295 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 ...
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0answers
101 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
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1answer
43 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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0answers
36 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 ...
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0answers
41 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 ...
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2answers
61 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 ...
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1answer
59 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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2answers
88 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
58 views

(C#) How to transfer funds from myetherwallet to coinbase

I need to transfer funds from myetherwallet to coinbase. I looked at https://infura.io/ and https://developers.coinbase.com/ and https://nethereum.readthedocs.io/en/latest/introduction/web3/#...
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1answer
22 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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0answers
19 views

Myetherwallet.com ABI read-functionality bug?

Why is myetherwallet not loading view functions which are declared as onlyOwner or specifically declared as only accessible by a particular address? How can I confirm that I'm the correct address ...
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1answer
49 views

My transaction is pending and it seems like doesnt execute the transaction at all?

I wanted to transfer ERC20 tokens from MEW to another ERC20 token wallet. It seems like not moving. Now my transaction is pending and it doesn't showing up in myetherwallet as a pending status. Can ...
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0answers
50 views

Trying to send money to account from contract -> transaction reverts

I am trying to execute a contract which after storing a certain amount on the contract sends 20 Wei to an account. So far I can add the money to the contract but trying to transfer money to an account ...
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3answers
36 views

How I add Security to the smart contract?

I deployed this contract and also interacted with it using ganache. pragma solidity ^0.4.0; contract Counter { int private count = 0; function incrementCounter() public { ...
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0answers
114 views

Access for MEW Connect to unlock wallet

I have created my wallet in myetherwallet.com (a while ago) but now I want to unlock my wallet and I just get the same screen of Create Wallet. I think I'm suppose to be able to get to MEW Connect but ...
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0answers
34 views

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 ...
1
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1answer
101 views

msg.sender in solidity

I have read that msg.sender is the address of the person interacting with the blockchain. Does it mean a wallet address ? Do we always specify an address when we interact with contract i.e. deploy as ...
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0answers
89 views

Contract Deployment Through MyEtherWallet calculation Gas Limit -1

I found a similar question here, which still have not any solution. I compiled a contract in Remix and also deployed it in Testnet by signing transaction through Metamask. It worked fine. Now I ...
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1answer
29 views

How do i know how much eth the receiver will get?

I bought some ethereum a long time ago and I'm trying to buy something with it now. I want to make sure the address I'm sending it to gets a specific amount (say 2.00 ETH). When I enter the "amount to ...
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0answers
96 views

Unable to unlock account before deploying contract to rinkeby

Each time i try to unlock my account w/ password i get the error: Fatal: Failed to unlock account 0x1288AB0bf7FE0Ad09d7f28bd4Ab2C06332c625a2 (no key for given address or file) my geth command is: ...
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1answer
355 views

How to list an erc20 token in an exchange site?

An erc20 token has been smart contracted in MyEtherWallet(Ropsten) and verified & published in etherscan.io. I want to list this token in an exchange I've built. Can I do it by installing a ...
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2answers
39 views

How can deployment through a contract factory be cheaper than deploying a contract directly?

When I deploy a contract directly, the transaction uses about 3,500,000 gas. When I deploy the same contract through a contract factory, the transaction uses about 3,000,000 gas. In the first case, ...
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1answer
44 views

Pending Transaction from locked token

I tried to send locked EOS to Etherdelta, and the transaction been pending for almost 4 days now. MEW can't find the transaction so I'm unable to cancel it nor do anything else even with higher gas ...
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1answer
641 views

Can myetherwallet be “hacked” from the browser extension?

I'm using myetherwallet for pretty long time and like their concept - do all on the client side. So, in theory, no data is sending to the server, so even if server gets hacked - you won't lose your ...
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1answer
25 views

Do I need different etherium adresses for every airdrop?

I want to register in some airdrops. I need to type same etherium address in all airdrops or I need to create new account in metamask so I have different etherium address for every airdrop ?