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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51 views

How do i withdraw Eth from a contract i created

New to blockchain.. havent a clue.. I managed to create a new contract with Eth. I moved money from MyEtherum Wallet to Metamask and into a contract, somehow? I have no coding experience but need ...
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31 views

How can we lock ETH in user wallet without escrow contract?

I know the logic of using an escrow contract in which 2 or more users send their wagered ETH to a smart contract acting as escrow proxy, and then after some decision contract executes we release the ...
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Alternatives to MEW for advanced users

I am looking for an alternative to MyEtherWallet. I am facing some issues with MEW, thus I am looking for alternative, preferably with more advanced functions - like for example allow me to "...
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Setting up a desktop wallet with a private network on geth

Disclosures: I've never set up a wallet before, and am new to geth. I'm not worried about security right now. My goal is to set up several wallets on my private chain (if possible) in order to learn ...
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54 views

How to create private key from mnemonic and extra-word using web3

In web3js, I can use below code to get private key and wallet address from mnemonic. But how can I get private key if user has mnemonic and extra-word from MEW const ethers = require('ethers'); let ...
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send custom token not working from myetherwallet

I added one custom token to mywallet and want to transfer it to another wallet. I used "Send" method from web interface, transaction succeeded but token doesn't transfer. https://etherscan.io/tx/...
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30 views

why is there no software downloadable wallet for ETH?

There is bitcoin core wallet..which you download on your computer and you have 100% full ownership of your bitcoin BUT etheruem NEVER has anything like this..most of the wallets are either on a ...
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28 views

Swapping ERC20 tokens on MyEtherWallet

I just found out about the token swapping function of MyEtherWallet: https://kb.myetherwallet.com/en/swap/swapping-via-kyber-bity-changelly/ Now, let's say I have a lot of ERC20 tokens that I want to ...
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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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2answers
64 views

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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59 views

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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364 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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34 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(...
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159 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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149 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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128 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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96 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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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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79 views

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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84 views

(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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37 views

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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417 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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127 views

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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116 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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48 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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2answers
87 views

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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159 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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571 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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103 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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230 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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35 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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445 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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242 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
296 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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128 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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68 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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280 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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971 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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64 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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142 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
87 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
114 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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36 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
282 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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31 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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69 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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63 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
69 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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235 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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