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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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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, ...
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1answer
16 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?...
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17 views

Purchase of ICO token in Fiat currency/ Bitcoin [on hold]

I want to launch my ICO, where you can buy tokens with fiat currency, ethereum and bitcoins. Suggest any help, How I can integrate it within a minimal time? Any Free API's Are available for the same?
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0answers
18 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 ...
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0answers
10 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 ...
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0answers
25 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 ...
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1answer
25 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. ...
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1answer
16 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 ...
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18 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-...
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1answer
57 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 ...
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0answers
18 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 ...
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34 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
34 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
30 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
114 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
50 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
21 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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1answer
30 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
31 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
245 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
129 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
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1answer
475 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
47 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
42 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
31 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
25 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
244 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
201 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
193 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
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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
33 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
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1answer
181 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
838 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
562 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
369 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
159 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
57 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
41 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
48 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
79 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
67 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 ...
2
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2answers
111 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
86 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
26 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
20 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
74 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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3answers
39 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
43 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 ...
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1answer
132 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
142 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 ...