Questions tagged [accounts]

Ethereum has two types of accounts: externally owned user accounts, controlled by private keys, and contract accounts, controlled by their contract code.

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Unable to Unlock Account Even After specifying allow-insecure-unlock

Software: Ubuntu on VirtualBox Update, tried putting two dashes, on allow-insecure-unlock, doesn't work solidity@solidity:~$ geth attach http://127.0.0.1:8545 --allow-insecure-unlock Incorrect Usage:...
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Ethereum unlock account

Is there any way to unlock the ethereum account when using the infura api. Can only metamask do it? I would not like to use metamask because not every user has it on the browser
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Unlock Ethereum account via infura

I am trying to connect my wallet (Metamask) via Infura, but I receiving an error. My code: [HttpPost] public async Task<IActionResult> LoginAsync([ModelBinder(typeof(AccountBinder))] ...
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Is there a way to set specific account when using truffle console rinkeby?

When I tested on ganache-cli at local, I could test on 'truffle console development' with some accounts which ganache-cli gave. But at rinkeby, I can't use function_name(argumets, {from: specific ...
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Original genesis.json file for ethereum mainnet, which should have 314 accounts allocation?

314 accounts are created at the start of ethereum frontier release and some funds were alloted to them. https://www.etherchain.org/charts/totalAccounts where can I get the genesis.json file used to ...
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Alternatives to Metamask

What are existing alternatives to metamask with that works online inside existing browsers, that don't require installing a browser extension? What are some of the tradeoffs between them?
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getAccounts undefined recently

I've been using web3 v 0.20 and I recently noticed that getting accounts from web3.eth.getAccounts(function(error, accounts) { returns undefined. Is Metamask 7.2.1 forcing it to be undefined for ...
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Difference between Account Extended Private Key and BIP32 Extended Private Key

I was using this this useful tool to verify that my wallet generation process was accurate, however when I thought I was generating an Account Extended Private Key, I realized I was actually ...
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How to check Ethereum smart contract info?

I want to know 3 things: Is an address a smart contract? Is this smart contract an ERC20 or ERC721 token? Is the Solidity code public?
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Which one is more secure and easier to mange among eth.accounts.create, personal.newAccount & eth.accounts.wallet.add

Here are what I knew about them: eth.accounts.create: Generate an address and private key for transaction but did not stored in anywhere. personal.newAccount: Create an account under node, so that ...
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1answer
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How to call a function with params and check them

I want to create a smart contract that users can send a number to and receive an amount of ether. function airdrop(uint val) public payable { require(airdrop == true); if (val == 0x31){ ...
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3answers
649 views

How smart contract transactions work?

I read that smart contracts don’t have a private key, so they can’t sign a transaction. My question is: when a smart contract starts a transaction to an EOA, how are we sure that the smart contract ...
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297 views

Unable to unlock account created by php script

I'm using geth over rpc in my php script for a website. In my script I've created a random passphrase that I store in a file so I can use it later to unlock the account. So, to keep thing simple I ...
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How to add a wallet to your geth account list

I just created a new account on myetherwallet.com and installed geth on windows. I opened cmd and typed in 'cd/' and typed 'geth account list'. In return, I got a warning saying there's no etherbase ...
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Automatically update account balance with web3.js without polling

I've made a user interface in JavaScript with web3.js where the user can select an account to use. The accounts are displayed together with their current balance for convenience. I load the account ...
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Is there a way to broadcast account addresses to other nodes in a private blockchain?

I am running a private blockchain and have a couple of geth nodes which are connected. I have multiple accounts on both the nodes. From node 1, through the admin.peers command, I can get the enode URL ...
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Multiple Accounts on a single node?

I am a beginner and learning Ethereum. Can somebody please tell me if my understanding is correct? Q) There could be just 1 node running, but multiple accounts?
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dApp exploit using multiple wallets

Im currently building a dApp where users will create content that then can be bet on by other users. The design opens up the problem of a user creating content,logging in with another wallet address, ...
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Is any valid address in Ethereum liable to receive payments?

Suppose I have generated a valid ethereum address, there are a no of ways of doing so including using Blockcypher's Generate Address API, using light-wallet etc. So I got a valid address, Now are ...
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How many Ethereum contracts have been published?

Is there a place to see how many Ethereum contracts have been published? If someone wanted to calculate that, it would just be total number of accounts minus accounts with code, right? Any ...
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Scope Issue: Not successfully storing accounts after using web3.eth.getAccounts()

I am having trouble with the following code: var accounts = [] let accounts = await web3.eth.getAccounts((error, result) => { accounts = result; console.log(accounts); }); console.log(...
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1answer
38 views

Find keyfile of an account

I have several accounts in my Geth wallet. I need to locate the keystore file of a given account but there doesn't seem to be any connection between the keystore file names and the accounts. How do I ...
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Is it possible in theory to generate the private key for the 0x0000000000000000000000000000000000000000 wallet?

Is there any chance, although extremely low, to generate the private key for the 0x0000000000000000000000000000000000000000 wallet? Does the system allow it at all?
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is account nonce network dependent?

In Ethereum, does Account nonce depend on network? I mean for same address on different network, will there be different nonce?
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How to export mnemonics for a specific account in MetaMask

How can I get the mnemonics from a specific account in Metamask? I found the reveal seed words in the settings-dialog, but this seems to be something global. Instead of this I want to export the 12 ...
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Error “no key for given address or file” when unlocking coinbase account

Using json-rpc eth_unlockAccount() method I can unlock everyone of my node accounts except coinbase. When trying to unlock coinbase account, geth responds with the message: no key for given address ...
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Create account with web3j

Im trying to create a account using the web3j library. But i can´t find the method that create accounts. My idea is to make this judgment but not in the Geth console, but yes in the Java application ...
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How to save new account in ganache-cli [duplicate]

I use ganache-cli --db to create a private test chain and save it on my computer, and the result is below: I use web3py w3.personal.newAccount('1') to add a new address, and I use print(len(w3....
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Load accounts to truffle

I'm using truffle v5.0.14 to handle my contracts. All was well while developing with ganache, but when I wanted to deploy to the real network (a private one) I have problems with the account. The ...
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Issue with New version of Metamask: Remix cannot detect the Metamask address

I have just installed Metamask version: 6.3.1 Now in Remix, the address of my account in metamask is not detected. The account box in remix remains always blank now (see picture below). Note that I ...
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Accounts created by using web3.eth.accounts.create() don't appear when web3.eth.getAccounts(console.log)

I am new to Ethereum. I am running a geth devnode. Installed web3. Used web3.eth.accounts.create function to create one account without any entropy and created another account by using the same ...
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4k views

web3.accounts.create() is not a function

I want to create a new account via code (Node.js), so I ran the following code, which was copy-pasted from the docs: web3.eth.accounts.create(); How ever accounts' value is an empty array, and ...
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Ethereum Account and Address Term Used Interchangeably?

Are the terms Account and Address in Ethereum used interchangeably? i.e., an Account is an address. An address points to an account
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Recieve payments in Ethereum ERC-20 tokens in web-services

I want to receive payments in my web-service in ethereum tokens, for example, Eos or Rep. And, of course, I must provide each user with different addresses for payment to determine who is the payer, ...
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Web3: How do I get just the first account on testrpc using web3.eth.getAccounts()?

When I run this code in web3 web3.eth.getAccounts().then(e => console.log(e)); The console returns this: [ '0x772f437b0f15e1F205C8BD923b5C8357e9c0c429', '...
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1answer
247 views

msg.sender 'spoofing' when function is public or external

I have a Smart contract where I want only the onwer to call a specific function, for example: function getInfo() view public onlyOwner() returns (address) { return msg.sender; } ..... modifier ...
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Golang Equivalent to list accounts on node - web3.eth.Accounts()

Does anyone know if its possible to get a list of the accounts on a node using golang, after Dialing to the node, basic PoC would be assuming the accounts are already unlocked via the CLI Basically ...
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610 views

What is deference between wallet address and account address?

I'm new in Ether world. I want to make mini Crypto exchange site with 2 coin ETH and BTC. What is deference between wallet address(maybe It's called Main Ether address) and account address ? or it's ...
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Smart contract function call from many accounts

Lets say that I have a smart contract C witch has a function setf(uint256). Also let's assume that there are many users(with different accounts) that want to call that function with argument 5 for ...
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Should I always put 0x at the start of Ethereum addresses?

Should I always put 0x at the start of Ethereum addresses? Sending ether to addresses without 0x seem to work perfectly fine. when sending to an address, do you include the "0x" before the rest of ...
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1answer
601 views

how to make getAccounts() return a list of all 10 accounts?

I am using Truffle Development (or Ganache at times) and the problem is web3.eth.accounts is only one account and not the list of all 10 accounts I want to get hold of at least first two so that I ...
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How can all transactions sent to an address be found?

Currently it is possible to see only the last 100 transactions from sites like etherchain (link to TheDAO contract transactions), how can all transactions sent to an address be seen?
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How to list transactions from account address?

I have a small service where people can exchange cryptocurrencies. Every user has its own Bitcoin, Litecoin, etc address for balance deposit. Now I want to add Ethereum. So I thought I will create ...
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1answer
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Problems running truffle [duplicate]

I am trying to follow a tutorial to deploy a smart contrat on Ropsten Testnet. I am in part 4. Deploy the contract to Ropsten test network: https://medium.com/@mvmurthy/full-stack-hello-world-voting-...
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Multi-signature Ecrow time based?

I have a user A and a user B. They do not trust each other. So, they run the following smart contract: User A specify a time locked deposit of x coins to user B under a predefined condition( For ...
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isContract function using EVM assembly to get the address' code size

My problem is that I need to make sure my contract processes only the transactions coming from EOA (externally owned accounts). For this I need to determine the type of account I'm dealing with. In ...
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creating account on button click

The question is i want to create new account per user on the ethereum blockchain. I want to display a form where in the user will enter information and on clicking register, his account should be ...
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2k views

Difference between web3.eth.getCoinbase() and web3.eth.getAccounts()[0]

What is the difference between web3.eth.getCoinbase() and web3.eth.getAccounts()[0]. In both cases, I always get the value, which is the currently selected account in Metamask. Note: The question ...
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Why account creation using CALL or SUICIDE costs 25000 gas? [duplicate]

CALL and SUICIDE both have additional cost of 25000 gas if it leads to account creation. At the same time, sending 1 wei in separate transaction costs only 21000 gas. Thereby if I am about to create ...
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2answers
887 views

How to unlock all accounts or unlock an account forever under parity?

I want to use an account to make some transactions at the same time. So I need to unlock this account each time when I send transaction. But because it sends at the same time, it may happens that only ...

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