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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24 views

Interacting with contract in myetherwallet

I have developed some smart contracts and deployed/interacted with them successfully using truffle framework. However, when copying the main smart contract's address and it's ABI into myetherwallet to ...
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HD paths on MyEthereumWallet

I hae some coins on MyEthereumWallet, that I can see in block explorer, but can not access it. I think that the mnemoic and password is correct. My assumption is that I messed up something with the HD ...
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smart contract not completed

I was supposed to receive payment through a million money ethereum smart contract. The transaction was made by my downline and it shows on my http://lk.million.money office but it did not show on my ...
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139 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.
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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(...
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56 views

TypeError: balance.toNumber is not a function

I need check that token has no balance when selfDestruct was called, but shows an error that balance.toNumber is not a function in the test file. DappTokenSale.sol function endSale() public { //...
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89 views

Transfer WETH from myetherwallet to metamask wallet

I converted some of my ETH to WETH already, on my hardware wallet. H/w wallet was conected to myetherwallet, and I can see my WETH there under tokens panel. I also created a metamask wallet and I am ...
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69 views

How to check if BIP39 seed phrase is valid?

I am producing a game for a hackaton community to expose more people to Ethereum and blockchain. After hacking something my hackers will get many different seed phrases (similar to one generated by ...
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1answer
58 views

Erc-20 Token Send Transaction

I want some Information about Erc-20 Transactions. I want to transfer Erc-20Token from first wallet to a second wallet, I have Privet Key, But I want to transfer with Api, So How can I transfer the ...
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34 views

I want to create a account on blockchain using web3swift in IOS app, but I am new on blockchain don't know how to do. Please can anyone help me out?

I want to create an account on the blockchain using web3swift in the IOS app, but I am new on blockchain don't know how to do it. Please, can anyone help me out?
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How to choose wallet with web3

I have MEW and Metamask installed. When I am trying to send a transaction using: web3.eth.sendTransaction() It always uses Metamask. May I know how can I specify I want to use MEW instead?
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(error_10) Please enter a valid data value (Must be hex.)MyEther Wallet

im trying to deploy smart contract on Myteherwallet but geting an error while deploying byte code of smart contact which is written in solidity remix IDE I have even tried to change the object byte ...
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Can i recover ethereum sent to and invalid address? [duplicate]

i've mistakenly pasted "2.5" in address field submitted a withdrawal request. can i get my coins back since the address is an invalid or the coin will be sent? I'm afraid i may loose my coins.
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When use Nethereum C# Library there are many CLOSE_WAITs in TCP Stack at node side

When I use Nethereum methods (GetBlockWithTransactionsByNumber,GetBlockWithTransactionsByNumber and etc ) in loop, In TCP stack at node side accumulates a lots of CLOSE_WAIT. How can I fix this issue ?...
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300 views

Custom token showing balance of 0 in MyEtherWallet

I made a new token on the Ropsten test network. Here's the contract address: 0x801fd9c17087ec868dc8540055b7ea3cb6dbbe34. When I followed the instructions to add this custom token to MyEtherWallet (by ...
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I can not get to my MEW using Ledger Nano S [closed]

When I want to open my wallet using ledger, it says that "No Compatible devices were found"( it is just in Slovak language), however my ledger works as I am using it with another wallets. It only ...
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204 views

ERC-20 Token Transfer Error (Unable to locate Corresponding Transfer Event Logs), Check with Sender

EtherScan.io is showing error: The ERC-20 Token Transfer might have Failed (ErrCode: unable to locate corresponding Transfer event log), check with sender. Transactions are successful and the ...
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1answer
89 views

how to run my private geth node in https locally

i have my private ethereum blockchain but i need it to run in https://localhost:8545 or https://0.0.0.0:8545. currently it tun in http://0.0.0.0:8545 but when i try to connect it with Myethereumwallet ...
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1answer
40 views

How do we communicate with contract functionality which is deployed in public test network using web3j [closed]

I would like to write a wepapp for security token contract which is deployed in public Ropsten Test Network using web3j. Need some idea. Thanks in Advance
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Help with ERC20 Contract

I sent tokens to my contract address instead of to my myetherwallet address from an address that the tokens were previously sent some time ago. Now I have no access to the amount sent to this address. ...
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150 views

My wallet got hacked - I do not know what do to

Someone hacked my eth wallet and when ever I deposit ethereum to the wallet my deposited ethereum is sent directly to his wallet automatically.. Pls how can I stop this issue because my wallet has my ...
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525 views

I can't find my address from MEW when i want to connect my ledger nano s

I have been holding for 6 or 7 months now and when I went to check myetherwallet today, I was unable to find my wallets with all my ETH and my ERC-20 tokens. I plugged in my ledger like I always did, ...
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82 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 ...
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167 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 ...
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25 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 ...
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1answer
368 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 ...
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199 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 ...
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1answer
222 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 ...
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90 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 ...
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19 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 ...
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254 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 ...
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1answer
52 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 ...
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214 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, ...
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2answers
814 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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60 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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129 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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1answer
70 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
87 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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35 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
234 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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28 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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60 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
55 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
64 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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231 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
243 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
46 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
50 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
157 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
439 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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