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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7
votes
1answer
2k views

MIST - How to send all coins in account

Mist shows that I have 1 ETH in my account. When I check etherscan see exactly 0.99895 ether in my account.... I would like to send all 0.99895 ether to another address. When I try to send exactly ...
44
votes
3answers
69k views

How to backup mist wallets?

I know I can backup the keystore files from my running ethereum client which holds my accounts. But how can I backup wallets created with mist? Is it enough to write down the public address where the ...
9
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2answers
12k views

Which Ethereum accounts have the most Ether?

Where can someone get a list of all the ethereum accounts and sort it by the # of ether they have?
3
votes
1answer
257 views

Is it possible to launch the C++ eth client without unlocking the accounts?

Each time I run eth it requests my master password. I don't feel comforatble with permanently running a node with unlocked accounts. Is it possible to launch the C++ eth (or alethzero) client without ...
19
votes
4answers
11k views

Does Web3.js have the functionality to create new accounts and unlock an account for a period of time for a series of transactions?

I want to create new accounts through my Dapp web interface and unlock a specific account so that transactions can be processed. I didn't see it in the web3.js documentation so wonder if that's on the ...
30
votes
2answers
4k views

Do contracts also have a nonce?

Do contracts also have a nonce and if so how is it calculated? Usual accounts have a nonce that is increased with every transaction. However, contracts can't make transactions, they can only make ...
12
votes
2answers
1k views

If someone gets my geth keystore files, can they spend my ETH without knowing my password(s)?

I always assumed so, since geth requires a new password for every account, but just want to be sure.
6
votes
3answers
328 views

Can I transfer the funds from an account with just the account number and password?

I have lost all the files from an Ethereum node where I had an account with some ether in it (I know I should have backed it up). Given than I know the account number and the password, can I transfer ...
8
votes
1answer
234 views

Is ethereumwallet.com generating the keys client-side?

Is ethereumwallet.com generating the all the keys, accounts and transactions client-side? Is it legit and safe to use? Is it possible to confirm the javascript has no backdoors? Can it be trusted?
4
votes
2answers
870 views

How do I transfer funds to another account from a lightwallet.dat file

I have a lightwallet.dat file which I exported from ujomusic.com. It's in a different format to that used by geth. I don't expect geth will import it so can I create an account with the same number as ...
2
votes
2answers
647 views

What happens to the etherbase while migrating a mining rig?

I've successfully set up a 4 GPU rig and have been mining for about a month now. I see that my rig has an ether base, and i essentially mine ether to that base. The base has an address something akin ...
11
votes
2answers
8k views

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 ...
4
votes
1answer
606 views

Can geth and eth share the same accounts and blockchain?

It appears when I have multiple ethereum clients installed, that they all have their own data, accounts and even their own copy of the blockchain. Is it possible to share accounts and the blockchain ...
50
votes
4answers
13k views

Why don't Ethereum addresses have checksums?

A checksum, similar to its use in Bitcoin addresses, can primarily prevent mistyped or invalid addresses from being used, before a transaction with an invalid address is constructed. Why don't ...
34
votes
1answer
14k views

What's the difference between Accounts and Wallets in Mist?

In Mist, there are some addresses listed as accounts, and some listed as wallets. What's the difference? Which should I use? And why do I need Ether to create a Wallet?
49
votes
2answers
45k views

How do I backup my ether accounts?

I want to backup my accounts onto a USB or other external device for safe-keeping. How can I do that?
9
votes
3answers
794 views

How interact with Ethereum without (gas) ether?

Ethereum is not a currency but use ether (gas) to pay the fees, therefore someone will need an Ether account to pay and build the application. But how can someone get an account for each activity ...
29
votes
3answers
5k views

What is a replay attack?

During the launch of the frontier network, users were cautioned not to reuse keys from the Olympic testnet in order to prevent "replay attacks". What is a replay attack, and why would re-using a key ...
36
votes
3answers
22k views

How can I create a multisignature address on Ethereum?

I want to store my ether in a form that requires more than one digital signature in order to authorise spends. How do I do on that on Ethereum?