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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where does Etherscan gets account name from? [duplicate]
Where does Etherscan gets names of accounts from? Is it ENS? Token name ? Or do they collect input data from users?
For example, this address bleongs to F2Pool :
https://etherscan.io/address/...
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0answers
9 views
Getting Addresses using a Path causes the error: Could not derive hardened child key
I am using ethereumjs-wallet npm package to generate a unique wallet address for each user. However instead of using the mnemonic/seed, a public extended key xpub will be used instead to keep the ...
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2answers
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Does a transaction always require a smart contract to be executed?
I had a discussion with someone explaining that every time a transaction occurs (e.g. ICO token or ETH) on Ethereum it would pass via a smart contract or would require one.
I would like to know what ...
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2answers
37 views
Receive Ether to multiple addresses best practice
Say I am an exchange that has many users. When I ask a user to deposit ETH I give him a unique address so I can attribute the ETH to him.
With Bitcoin this is easy. The bitcoin wallet software ...
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2answers
26 views
Is there any way to fund a new account privately via a randomising pool?
It isn't currently possible to create a new HD wallet account and privately fund it, is it?
I'm aware of this thread, but I'm not asking about SNARKs. Instead, I'm curious if there's any way to send ...
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3answers
35 views
how do you check if the account exists in current state?
Currently there is no way to check somehow that an account exists in the trie. I am looking for something like this:
> web3.eth.accountExist("0x743623152a53b53be5f3463746726373")
true
>
Is a ...
3
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2answers
30 views
What actually happen when we unlock an account?
I know the purpose of personal.unlockAccount() function is to unlock account i.e. when I want to send ETH or tokens.
After reading the documentation, I'm still not sure what is actually happening ...
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1answer
35 views
How to initiate a transaction with address and privateKey using web3js
I have a list of ethereum addresses and private keys, I need to write an automation script which checks for the balance in each address and transfer the balance funds to another ethereum address.
My ...
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Is it possible to create an account from a seed phrase on a Private Blockchain?
On a private Ethereum BC run through Geth, is there anyway that I can generate accounts based on strings?
The behavior I am looking for is similar to how Ganache (TestRPC) & Truffle can generate ...
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1answer
24 views
Block an account in a permissioned blockchain environment
We are developing a permissioned blockchain environment with Ethermint.
Companies have to apply to join the blockchain environment, we create and give them their Ethereum account.
One of the main ...
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38 views
How to create an Ethereum account without access node?
I am creating an API service but to use it the mobile user would need an ethereum account. I could create the account through the API but it's not safe to send the private key back over HTTP.
Is it ...
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2answers
35 views
Curious questions for mastering accounts
I am curious that some companies give each customer an eth address for making payment and how to redirect the payment to one master account?
Save the private key of each customer? Any example?
I think ...
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1answer
19 views
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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2answers
34 views
How do other nodes handle the accounts of a deleted node?
In Ethereum Blockchain, the accounts created on one node stay with it and are not replicated into other nodes.
If that node is deleted and hence is not a part of that network, then what happen to the ...
2
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1answer
33 views
duration limit for unlockAccount()
When I use personal.unlockAccount(), there is an option to pass a parameter for duration. What is the maximum duration to which i can unlock the account? I have searched through its documentation. It ...
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0answers
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UTXO vs Account scalability paradigms and Merkle proof of ownership
From Ethereum's design rationale:
Potential scalability paradigms: UTXOs are more theoretically
compatible with certain kinds of scalability paradigms, as we can rely
on only the owner of some ...
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2answers
48 views
Can private keys change once created?
Can private keys change once the public key (address) is created?
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1answer
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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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web3.eth.personal.newAccount + JSON RPC error connected to ropsten in metamask
Updated:
I have a function where I init web3 and included web3.eth.personal.newAccount at the bottom of the function to create a new account.
initWeb3: function() {
if (typeof web3 !== '...
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1answer
54 views
My dApp can use Metamask accounts with givenProvider but not when setting Web3 object to Rinkeby provider URL?
Today is the first day I deployed to a test network (Rinkeby) and not my local Ganache client network. I think I need clarification on accounts when it comes to Metamask and Rinkeby.
If I initialize ...
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0answers
19 views
Create and manage user accounts on ethereum(truffle) with my web app (on Ruby on Rails)
I have created a small application on truffle, simple voting system. I followed a tutorial and it works like a charm.
I am basically a full stack rails developer and now want to connect my truffle ...
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0answers
48 views
Is there a way to use etherscan API (or another) to get a history of transactions for a specific ERC20 token for an ethereum account?
I want to be able to display the complete history of our token transfers in and out of users wallets. Is there an easy or established way to do this?
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1answer
30 views
Who owns the ETH in the zero account? [duplicate]
Per https://etherscan.io/address/0x0000000000000000000000000000000000000000 the zero account currently contains ETH worth about $3.3 million USD.
I understand how the zero account is used in the EVM. ...
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1answer
61 views
Account nonce limit/maximum
I've been reading about an account's nonce, that it's supposed to be an incremental number that increments with every transaction. I found about transactions pool and queue, about what happen if you ...
2
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1answer
26 views
How to use key derivation and 'coin selection' to increase privacy, like in Bitcoin?
In Bitcoin, you can have increased privacy by never re-using addresses. A single private key can generate many addresses if you are using a key derivation scheme.
In Ethereum, instead of UTXOs you ...
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What happens if the “balance” of the address which sends “address.transfer(amount) is ” zero "?
Consider the balance of the address that sends address.transfer(amount); to receive the amount is zero.
For example we have following address with balance of zero:
web3.eth.getBalance('0x123').then(...
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1answer
98 views
How can I transfer ownership to another contract?
I have a contract which inherits from contract Claimable by OpenZeppelin (see here):
pragma solidity ^0.4.24;
import "./Claimable.sol";
contract MyTestContract is Claimable {
uint256 public id;
...
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1answer
52 views
How to give a non-zero balance to a contract at time of deployment using Remix?
In case we want to deploy a contract by web3.js we can easily determine the balance of the contract at time of deployment as follows:
const thisContract = new web3.eth.Contract(abi);
thisContract....
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0answers
23 views
Authenticating accounts in Ethereum using web3js
Is a there a way to authenticate accounts in Ethereum using Web3js ? Or if there are any other ways to authenticate accounts ?
We are building an application where users can register in our system. ...
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1answer
444 views
How to get the balance of a contract using web3.js?
I have deployed a contract as follows and determined its balance to be 5000 wei (value: 5000):
const thisContract = new web3.eth.Contract(abi);
thisContract.deploy({
data: bytecode,
...
1
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2answers
123 views
UPDATED : How to determine “payer address” in “address.transfer(amount)”?
Consider we a function as follows :
address public recipient;
function settlement(uint256 amount) public {
recipient = msg.sender;
recipient.transfer(amount);
}
Then the ...
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0answers
9 views
Deploy contract page doesn't show accounts
I am new in ethereum and blokchain stuff. I want to make contract ,but the accounts are not shown on this page.Can someone tall what I am doing wrong?
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52 views
UPDATE: (I need to run testrpc before running the code) Problem with signing a message with “web3.eth.personal.sign” or “web3.eth.sign”
I use exactly the example of web3js (here) to sign a text.
So, I generated a .js file asfollows :
Web3 = require("web3")
web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
...
0
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1answer
63 views
How do the other nodes know which particular node has the account used in the transaction?
A brief about my setup. I am using a private Ethereum network with 3 nodes.
I have made all the nodes as peers of each other by using:
admin.addPeer("enode:1234abcd..")
When mining takes place, all ...
0
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1answer
82 views
How can I create a wallet and display the address, public and private key using web3js?
I am using this as my source for web3js:
<script src="http://raw.githubusercontent.com/ethereum/web3.js/0.16.0/dist/web3.min.js">
</script>
In my HTML I want to display the account's ...
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1answer
77 views
Retrieve contract byte code
How may I find the byte code of an arbitrary contract? Preferably using a website and not writing my own client.
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1answer
361 views
Truffle test: How to test Ether transfer? Balance of specific account?
How is it possible to test if my contract actually transfers money to a specific account?
function _transfer(address receiver_, uint256 payout) internal{
receiver_.transfer(payout);
}
Testing in ...
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1answer
99 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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0answers
35 views
Why does address.transfer(amount) cost the same when sent to a new or used address?
In the Ethereum yellow-paper, it's specified that creating a new account costs 25000 gas (Appendix G, entry for Gnewaccount).
We can see this if, for example, we call a function that makes a transfer:...
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0answers
74 views
Paying for gas on behalf of users?
I'm exploring ways to enable contracts/dApp owners to pay for gas on behalf of users.
I know contact abstraction should enable this eventually, and the first step has been done with EIP208 which ...
0
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1answer
110 views
How does Ethereum account state change? [duplicate]
Ethereum uses Accounts instead of UTXO (Bitcoin). I would like to know how does the ledger keep the account state (technical details if possible)?
Does it modify the ledger (accounts) by incrementing ...
2
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2answers
38 views
Account created using web3 is not showing in geth console
I have created a new address using web3.eth.accounts.create() and it responds with
{ address: '0x9AA2767207d0aC9cCdD2e3B244210f630588F3E3',
privateKey:
'...
2
votes
2answers
103 views
Why public keys are not used directly as account addresses? [duplicate]
I understand that addresses are hashes of the public keys. But why? What is the rationale behind this design decision?
And why 160 bits? Why not just use the hash directly? Is 160-bit guaranteed ...
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0answers
67 views
How can I import the Accounts from ganache-cli into Nethereum?
Is there a way to automatically load the Accounts created by ganache-li into a project which uses Nethereum?
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1answer
20 views
Can I add my own fields to JSON files in the keystore directory?
I need to add a few fields to JSON v3 wallet file, can I do it ? What is Ethereum's policy on this?
For example, to add account name I would do something like this:
{
"address": "...
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0answers
26 views
Should I wait for sync to be 'finished' in 'syncmode=light' before I could check account balance OR transact using the account? [duplicate]
NOTE: I'm aware of another question, but, it's related to 'fast' syncmode, and mine is of 'light' syncmode.
I'm running light node client for rinkeby using command:
geth --rinkeby --rpc --rpcapi ...
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0answers
127 views
Connect local wallet to web3 default account
I am trying to connect a local wallet I've created using a V3 object to my web3 instance which contains an Infura provider. The wallet object is from a V3 keystore file originally created in Geth.
...
1
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1answer
38 views
“public key” and “account” : are the same?
When I create a new account as follows :
web3.eth.personal.newAccount('pass').then(console.log);
-> pass is account password.
Then, I receive an account as follows :
...
0
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1answer
155 views
Import account from one geth node to another geth node
I had a geth node where i created an account. Then i backed up the keystore folder just in case. I had to format the pc and install geth again. So i would like to know how can i import my old account ...
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0answers
25 views
ELI5: Account abstraction [duplicate]
I don't fully comprehend the account abstraction proposal.
I have some (probably dumb) questions:
Is the main goal to offer other signature schemes?
Will contracts be able to pay for gas?
Will it be ...
