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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3
votes
2answers
17k views

I accidentally lost the key to my wallet

So I recently formatted my drives again and wiped my hard drives. I mistakenly did not copy my Account key but I copied my password. Is there anyway to gain back my account?
14
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2answers
16k views

Does metamask store private key on server or anywhere else?

I have created my private key using myetherwallet using offline option. Now Metamask allows us to import account by providing private key or Json File that has private key. Does metamask store ...
2
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1answer
5k views

Can I "cancel" a token transfer transaction by sending ether?

The OMG transaction is listed here on etherscan. I initiated it around 7:30 AM this morning, even though the timestamp on that page always seems to restart everytime I refresh the page. I found a ...
5
votes
1answer
3k views

Ensuring a transaction is included in a specific block

I have been sending myself transactions back and forward between MEW and Parity trying to get a transaction included in a specific block number however I seem to be always 3 - 6 blocks behind where I ...
3
votes
1answer
6k views

What is chainID? Raw transaction from myEther wallet

So I just ran a function from a contract on Ropsten from myetherwallet.com. It ran fine via metamask, but I was just wondering what chainID was in the rawTx file? { "nonce":"0x2e", "gasPrice":"...
8
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2answers
2k views

Lost Ethers in Google ad phishing scam

I am currently looking at my ethereum wallet and it shows that a transaction happened overnight and wiped my whole balance. I was trying to transfer some funds from my cold wallet. I went on www dot ...
3
votes
2answers
580 views

javascript local sign and sendRawTransaction to remote node

In order to use Web3 provided by MyEtherAPI, I need to locally sign a transaction, since myetherapi supports only eth_sendRawTransaction. I found a good source to do so on github, unfortunately it ...
2
votes
1answer
5k views

import wallet from geth to myEtherWallet

I created a wallet using geth (1.6.0-stable). I can unlock it using geth: The command personal.unlockAccount(address) asks for the password and returns true. But when I use https://www.myetherwallet....
2
votes
1answer
482 views

etherwallet-3.4.1/ on private chain setup - having 404 error

I am following the MyEtherWallet: Use Your Own Server Guide to use MyEtherWallet on my private ethereum network. I am doing this setup on my node, where my ethereum node runs. I have done first 4 ...
2
votes
3answers
8k views

How to access eth wallet with utc file

I have only saved the UTC file generated from myetherwallet and after losing data from my laptop i lost the document where i had my password and private key. Can i recover my account now ?
0
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2answers
10k views

Lost my private keys and Json or keystore file

I made an account on Ether wallet and I lost my private keys and Json or keystore file. I only have Public keys. Is there any ways to recover my account?
9
votes
4answers
6k views

Passing constructor arguments while deploying contract from byte code

I am trying to deploy a contract via MyEtherWallet from byte code generated by browser-solidity. I unlocked my wallet using private key,but I didn't find any way of passing parameters to contract's ...
13
votes
1answer
13k views

Solidity: private vs public variables

In a smart contract, if we make a member variable public: Question 1: Can a malicious party write a transaction/contract and change the value/state of the public variable in the contract? Question 2:...
7
votes
4answers
26k views

How to view custom token balance in ether wallet using web3

Hello I am newbie to cryptocurrency. I have created my erc20 custom token. Now, I want to create an API to view the balance(in my token as well as in ethers) using web3 and node js.Can someone please ...
11
votes
2answers
4k views

How to connect etherwallet to my private blockchain?

I am unable to make etherwallet v3.4.2 to connect to my private blockchain. The way I run my private network: (please note that it works perfectly fine) geth --port 3000 --networkid 23422 --identity ...
5
votes
1answer
3k views

How to get the bytecode of a transaction using the solidity-browser?

I want to get the bytecode to put in the "MyEtherWallet/Send-Ether" when I want to make some transaction, sending some ether to some contract, to call some function in the contract. I need to use the "...
3
votes
1answer
10k views

How can I get a private key from a mnemonic phrase?

I want to convert a 24 words length seed phrase into a private key using web3.
1
vote
1answer
1k 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 ...
8
votes
4answers
9k views

Error: Error: [ethjs-rpc] rpc error with payload {"id":6223335088050,"jsonrpc":"2.0","params":

I have deployed a smart contract in Remix IDE using MetaMask and test rpc. I got the below error: Error: Error: [ethjs-rpc] rpc error with payload {"id":6223335088050,"jsonrpc":"2.0","params":["...
3
votes
1answer
3k views

How to send a transaction to myetherapi.com with Web3.py

I am having trouble interacting with myetherapi.com using web3.py. I am able to create a few functions that were working, like get_eth_balance() below. But to send transactions like send_eth(), I just ...
2
votes
2answers
404 views

While using myetherwallet to generate offline transaction hash, can developer steal my private key?

To be very clear, I have used myetherwallet offline to send eth many times in the past. I went through the code for the version I saved and found no Maliciously code. Hypothetical for future ...
1
vote
1answer
264 views

Problem registering an ENS name on the testnet

My Goal I'm trying to register a name on the Ropsten testnet using the FIFSRegistrar located at 0x21397c1a1f4acd9132fe36df011610564b87e24b. I am using MEW to send the transaction. Label and Hashes ...
1
vote
1answer
2k views

How to send multiple transactions from wallet at once? [duplicate]

How is this possible? Lets say i want to send 0.05 ether to 100 accounts and don't want to create one and one transactions at a time. Is there a way to input a list of wallets that you want to send ...
0
votes
1answer
73 views

Single transaction to transfer everything?

Is it possible (with MyEtherWallet or otherwise) to create a single transaction that moves all ether and tokens from one account to another in the interest of saving as much gas as possible?
9
votes
3answers
13k views

How to generate paper wallet on myetherwallet.com?

I need your help! I would like to generate a paper wallet (cold storage) for my Ether. I followed instructions in order to do so: went on myetherwallet.com Input password Clicked on Generate wallet ...
7
votes
3answers
4k views

Are there Ethereum Wallets (other that Mist) that provide support for test-network

I was going through a list of Ethereum wallets from here and here. Some good or I should say popular ones other than Mist were Jaxx and MyEtherWallet. But I was concerned if any Ethereum wallet ...
3
votes
1answer
2k 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 ...
3
votes
1answer
735 views

Can I delete "address" field from the ethereum key file?

I don't like that anyone who reads my encrypted ethereum JSON key file knows my address and balance. Can I delete the "address" field and still be able to import that file into geth and MyEtherWallet?
3
votes
2answers
474 views

DAO balance in MyEtherWallet differs from balance in EtherScan.io

I was experimenting with my DAO tokens and found out that the balance in Myetherwallet differs from the balance in EtherScan.io - 0x5C8a1cbEF21403B2D708796ea2F050F517393b91. Screenshot showing the ...
2
votes
1answer
824 views

Use MEW for testing smart contract

Before the question, I want to show my development environment configuration: I am using Remix online solidity IDE for coding My contract is running on local PC with RPC (web3 provider option in ...
2
votes
1answer
9k views

MyEtherWallet is pending and dropping. It looks like it is stuck in a loop for 2 days?

EDIT: Solved, it got unstuck, haven't done anything but posted this message. What I tried to do (3 times) is sending Ethereum to Shapeshift without realizing that the low gas will take longer to ...
2
votes
1answer
620 views

Transfer DAO's from Myetherwallet to Kraken

I'm trying to transfer some DAO's from Myetherwallet.com to Kraken. I've followed instructions to access my funds through Myetherwallet: -Pasted "to" address (already active in Kraken), -Introduced ...
2
votes
1answer
735 views

How to prefill fields on myetherwallet with given receiver address, amount, and gas limit?

Assuming I have a DApp that relies on people having some injected Web3 available such as MetaMask. If I detect that they do not have Web3, how can I forward them to myetherwallet offline transactions ...
1
vote
1answer
339 views

How to invoke multiple oracaliszed queries from a single contract

I want to invoke 2 different orcalized queries from the same contract. I saw a few posts but none of the answer works. Is there any way we can do that? Here is my contract. I was expecting this ...
1
vote
2answers
9k views

Migrating from paper wallet to Ledger Nano S with private key ONLY

I recently purchased a Ledger Nano S, and I'm wanting to transfer my Ether from my paper wallet to the new ledger device. Please forgive my ignorance, but I have no idea how I can transfer my Ether ...
1
vote
1answer
507 views

Unable to send tokens

Since December 3rd I have attempted to send ~200 OMG from my wallet to a OMG wallet on a exchange. I am attempting to do this through myetherwallet.com and I have tried about 4 times now. Every time ...
0
votes
0answers
74 views

Signature not matching the sig obtained from MyEtherWallet

I am serializing the unsigned txn in C, then I found Keccak-256 hash and I signed it with the privatekey. However, the resulting signature is not the same as in MyEtherWallet for the same values(...
0
votes
2answers
861 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
2answers
2k views

How to make transactions without metamask

My account has enough ether to make a transaction. How do i call a payable function that is written in solidity? I tried by calling like this const Web3 = require('web3'); const HDWalletProvider ...
0
votes
1answer
652 views

Transfer transaction

I need help with the following : I have made an EOS token transfer transaction from myetherwallet account to another account and I have been told it can be reversed "You would need this account to ...