Questions tagged [wallets]

Wallets are applications on top of accounts, so called smart contracts, which manage your Ether. There are simple savings wallets or multisignature wallets.

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Is Ethereum wallet address case sensitive?

I sent some amount of ETH to a wallet. I checked the wallets balance on ether chain. I entered the address in the search field and noticed both lowercase and uppercase versions of the address seemed ...
user1035's user avatar
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64 votes
7 answers
164k views

What is the recommended way to safely store Ether?

There are several options for storing Ether : Accounts Mist/Geth accounts. Paper wallets. Icebox Air gapped offline signing of transactions Wallet Mist Multi-signature. In short there are a lot ...
JackWinters's user avatar
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56 votes
3 answers
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How to reduce the chances of your Ethereum wallet getting hacked?

Summary The hack that occurred on May 12 2016 to steal 7,218 ethers from Patrick only affects miners where: Incoming RPC connections from the Internet on TCP port 8545 are forwarded to the machine ...
BokkyPooBah's user avatar
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52 votes
4 answers
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Can someone explain the meaning of derivation path in wallet in plain English (such as m/44'/60'/0'/0)?

Like m / purpose' / coin_type' / account' / change / address_index which gives say a value of m/44'/60'/0'/0 What is the meaning of "m", purpose, coin type, etc.
vyap56's user avatar
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50 votes
2 answers
49k 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?
Ethan Wilding's user avatar
44 votes
3 answers
72k 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 ...
q9f's user avatar
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37 votes
1 answer
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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?
Tjaden Hess's user avatar
30 votes
3 answers
24k views

If someone found a private key to 0x0, would they be able to access all the tokens (over one billion dollars worth) stored there?

The 0x0 address in Ethereum has a lot of token stored in it that have been burnt in the past. However, it appears they burning is the same as sending to 0x0. In that case, could all of those burnt ...
Elliot A.'s user avatar
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28 votes
2 answers
12k views

How do you delete/remove/hide contracts from Ethereum Wallet (aka mist)?

I have tons of experimental contracts I created as part of doing tutorials which I no longer need. I know I can kill the contract (from https://www.ethereum.org/greeter tutorial) but that still leaves ...
Makoto's user avatar
  • 481
21 votes
5 answers
12k views

How do I import my presale wallet?

I purchased ether during the presale. Is there an easy way to import those ether and start using them?
Ethan Wilding's user avatar
21 votes
6 answers
15k views

Is there any hardware wallet available for Ethereum?

What are the various available hardware wallets for Ethereum?
18 votes
6 answers
67k views

How can I recover or reset a lost wallet password?

Let's say that a user has lost or forgotten their password. Is there a way to reset the password or recover it?
Ethan Wilding's user avatar
18 votes
4 answers
15k views

Ethereum Vanity Address generators

Are there any Ethereum vanity address generators available other than: Vanityreum (python) Vanieth (go) Which is the fastest? Can they be optimized further? What is the use-case of vanity ...
makevoid's user avatar
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17 votes
4 answers
34k views

My C: drive in my WINDOWS PC is almost full. How can I change both geth and Mist path to relocate my blockchain files?

I read here somewhere that I have to execute geth --datadir "NEW PATH". But this solution: 1) Doesn't work in a permanent way for me (it will actually point geth in that direction but if I after ...
Gonzo's user avatar
  • 173
16 votes
1 answer
4k views

What is the exploit behind Parity's multisig wallet from 2017-07-19

Right now (2017-07-19, 10pm CEST), there is an alert from Parity that there is an ongoing exploit on their multisig wallet. What is the cause and mechanism of this exploit?
SCBuergel's user avatar
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16 votes
2 answers
25k views

What is the difference between an exchange like Coinbase and a wallet like Jaxx, MEW, MetaMask?

What is the difference between storing ether with an exchange (e.g. Coinbase, Kraken, Gemini, Poloniex, Bittrex) and a wallet like Jaxx, MEW, MetaMask?
tayvano's user avatar
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15 votes
1 answer
17k views

How to enable and mine Testnet (Morden)?

I have installed Ethereum Wallet on Ubuntu 14.04. After the installation was completed, I realized that my Testnet (Morden) mode was disabled. Looking in the Develop -> Network menu, the Main network ...
phuong's user avatar
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15 votes
2 answers
3k views

How can ERC20 token implementations be verified?

The ERC20 Token Standard is great, in that it allows wallets, exchanges, and client implementations to allow users to interface with a variety of tokens in a common way. But how can one of these ...
thedob's user avatar
  • 615
14 votes
3 answers
45k views

Where does metamask store the wallet seed? (file path)

I have a Windows installation that cannot be booted anymore. I'd like to copy the file containing the Metamask wallet seed to another machine and have that Metamask installation use it. The same ...
Jesbus's user avatar
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14 votes
6 answers
17k views

How to create a temporary account for testnet with funds?

I'm a newbie in using the ethereum wallet. After I completely installed and downloaded data for the testnet I create a new account but my new account has nothing (0.00 Eth). It lead to I can't do ...
phuong's user avatar
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14 votes
1 answer
5k views

I got scammed or suspect scam on Ethereum. What to do?

This is a general question and answer on ethereum.stackexchange.com to all "I got scammed, please help" posts. This applies to you if you think: You have been scammed You think something ...
Mikko Ohtamaa's user avatar
13 votes
6 answers
18k views

Get raw transaction from hash

I wonder if there is an equivalent to bitcoind's getrawtransaction, i.e., a command to dump a raw transaction in hex format, given its hash id. I am working preferably in geth.
oriol's user avatar
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13 votes
3 answers
9k views

Is there a way to set up an Ethereum wallet without downloading the whole blockchain?

(noobie question) I've tried using Mist and/or Ethereum-Wallet, but the tried to node downloaded > 30GB of blockchain data. Thanks!
ronme's user avatar
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12 votes
4 answers
6k views

Using AWS CloudHSM to sign transactions

Does somebody knows how to properly use AWS CloudHSM to sign ethereum transactions (Keccak256)?
Lucas Yamamoto's user avatar
12 votes
4 answers
10k views

Are there any android wallets for Ethereum? [closed]

What Ethereum wallets are available for Android? Or which ones are still being developed?
Patoshi パトシ's user avatar
11 votes
2 answers
39k views

The difference between contract address and wallet address

Disclaimer: this is a rather long question. To my understanding, contract address and wallet address are two profoundly different concepts, with the only thing in common being the fact that they are ...
goodvibration's user avatar
11 votes
2 answers
1k views

I bought ether in the presale. Is there a time limit to claim that ether?

There is no mention in the documentation about whether I have to claim ether before a particular date. Is there a time-limit on claiming ether? I've also heard that the mining algorithm will change at ...
Ethan Wilding's user avatar
11 votes
4 answers
28k views

Is there a simple Ethereum address generator that consists only of private key and public key?

I can go to https://www.bitaddress.org/ , download their software to my system, disconnect my system from the Internet, then move my mouse over their page randomly to generate entropy and then get a ...
Lone Learner's user avatar
11 votes
4 answers
29k views

Is there API to create Ether wallet?

I know how to create wallet manually, however I would not like to take my clients out of website (I doubt anyone would) and would rather do their wallet creation behind the scenes when they register ...
Matas Vaitkevicius's user avatar
11 votes
4 answers
82k views

How do I transfer funds from an exchange to a wallet I control?

This Q&A was spawned by the fact there's no one good place with this information. All answers will be wikis. A few of us are going to be collaborating on this effort. Please keep one answer per ...
tayvano's user avatar
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11 votes
2 answers
2k views

Secure paper wallet creation for ETH using JS

I am about to start the process of transferring my ETH to paper wallets for safe keeping. Currently the funds are stored on an online exchange. History shows that this is a very bad idea. It is not ...
ST2OD's user avatar
  • 213
10 votes
4 answers
24k views

Export Metamask account to JSON file

I'm trying to use ethers-ens which requires an ethereum account in JSON format. How can I export or generate an account.json from my metamask account? Is there another way to use ethers-ens without ...
ProGirlXOXO's user avatar
10 votes
4 answers
2k views

Adding Wallet using web3.eth.accounts.wallet.add

On web3 0.20.1, I am using Infura to deploy a contract to Rinkeby. This probably requires me to add a wallet to web3.accounts to provide the gas needed. When I ran the following nodejs code, Web3 = ...
Nyxynyx's user avatar
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9 votes
3 answers
12k views

Recover all the account under Mnemonic using ethers.js

I am new using ethers.js const { Wallet } = require('ethers'); const wallet = Wallet.fromMnemonic('one two three four ...'); I want to use that code to recover all the accounts from that Mnemonic. ...
Luis Lopez's user avatar
9 votes
3 answers
4k views

Is it possible to run the Ethereum Wallet with a remote Blockchain?

To run the Ethereum Wallet on a small computer like a Phone or a Netbook it would useful to have a light client, possibly that connects to a hosted full Ethereum node. Is this currently possible?
Roland Kofler's user avatar
9 votes
2 answers
15k views

Approve contract to withdraw funds from users's wallet

I want to achieve the following flow: A user clicks a button allowing my contract to spend funds on the user's behalf A user clicks a second button whereupon funds are transferred from the user's ...
Conviley's user avatar
  • 390
9 votes
4 answers
26k views

How to use web3 to send money from wallet A to wallet B?

var myContract = web3.eth.contract(abi); var address = contract address; var contract_data = myContract.at(address); var sender = '0xd3aaa525c087978133abb517593ea334f16abd1f'; var receiver = '...
Anshul Basia's user avatar
9 votes
1 answer
4k views

Ethereum wallet keeps redownloading entire blockchain

I'm having serious problems with my wallet. I was running fine up until a couple of weeks ago, then when opening the wallet I was asked to update. I did, and ever since I've had nothing but trouble. ...
Gary Stanton's user avatar
9 votes
2 answers
1k views

How to handle ether deposits like exchanges do?

One of the core philosophies of Ethereum is decentralization. However, there are still many valid use cases to provide centralized wallet services, exchanges being one of the most well known examples. ...
randomguy's user avatar
  • 459
9 votes
1 answer
2k views

How can I generate a V3 of the Ethereum wallet file format in js, from strings: 'Passphrase' and 'Email or username' required by Quorumwallet?

Quorum Wallet prompts for a Passphrase and a Email or username to generate the account. On the FAQs there is a description of the algorithm to generate the account: What is the algorithm used to ...
Roberto's user avatar
  • 161
9 votes
1 answer
3k views

Can't send ETH out from Wallet Contract

OS Win7. Node: Parity 1.3.3 Client: Ethereum wallet & Mist (on 2 different PC's) Contract owner account is fully funded with >5 ETH (well enough to cover tx fees/ gas) *wallet contract contains >...
eggie's user avatar
  • 91
8 votes
1 answer
12k views

Connecting the wallet of to your dApp and different Ethereum wallet types

How users can use connect their different wallets, like MetaMask, mobile wallets and hardware wallets with a dApp? What wallets are supported?
Mikko Ohtamaa's user avatar
8 votes
2 answers
2k views

Lost Ethers in Google ad phishing scam

I am currently looking at my ethereum wallet and it shows that a transaction happened overnight and wiped my whole balance. I was trying to transfer some funds from my cold wallet. I went on www dot ...
dandan's user avatar
  • 91
8 votes
2 answers
5k views

Is any way to withdraw ether from a smart contract to owner wallet, if no such method in it?

I've created contract with function to withdraw ether from it to owner wallet: contract test { address owner; function test() { owner = msg.sender; } function sendEtherToOwner() { ...
Victor Baranov's user avatar
8 votes
1 answer
2k views

Documentation On Multisig Wallet in Mist?

Is there documentation related to the built-in multisig wallet contract in the Mist Wallet? I see there are many additional functions in this contract like changing / adding / removing owners etc. ...
M. K.'s user avatar
  • 630
8 votes
1 answer
27k views

What is the size of the blockchain in 2017? [duplicate]

I have been running the geth with the --fast option to get the blockchain. So far my computer has been running for nearly two days only this program. The current size of my chaindata folder is 30 GB, ...
William Ross's user avatar
8 votes
1 answer
322 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?
q9f's user avatar
  • 32.9k
8 votes
4 answers
19k views

How to determine Gas Price and Gas Used?

I have got 2 questions actually: How to determine the gas price? Metamask fills this in for me, but it is always too low when I click on submit. Basically all values on ETH Gas Station seem too low? ...
J S's user avatar
  • 81
8 votes
1 answer
793 views

How can I import accounts created by quorumwallet into Ethereum Wallet Mist?

I created an Ethereum address using quorumwallet.com. How can I manually import it to Mist Wallet so I can transact using Mist?
Roberto's user avatar
  • 161
8 votes
3 answers
10k views

Ethereum Testnet mobile app wallet

Is there any Mobile Wallet like Jaxx, but with testnet(like, kovan, ropsten)? Please do suggest me, I am workin on the cryto coin transfer application.
Thomson Ignesious's user avatar

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