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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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60
votes
7answers
160k 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 ...
45
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 ...
49
votes
2answers
46k 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?
49
votes
3answers
21k views

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 ...
16
votes
5answers
48k 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?
20
votes
5answers
10k 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?
35
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?
16
votes
4answers
32k 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 ...
6
votes
2answers
3k views

Sending tokens to multiple addresses

how could I go about sending tokens to a couple of thousands of addresses without havinging to do it manually? It's an airdrop.
3
votes
3answers
2k views

How to recover my ether.li wallet with any other wallet software?

I am facing the following problem with my ether.li wallet, I never had Problems in the past with sending transactions but for the last two days transactions stopped working for me. Whenever I try to ...
38
votes
2answers
29k views

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 ...
9
votes
5answers
17k 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 ...
13
votes
4answers
10k views

Are there any android wallets for Ethereum? [closed]

What Ethereum wallets are available for Android? Or which ones are still being developed?
5
votes
2answers
1k views

Is it possible to unlock a geth wallet through JSON RPC? [duplicate]

I'm currently developing an application on top of Ethereum's JSON RPC. I would like to be able to unlock and lock the wallet as needed, similar to how Bitcoin does it. However, it seems that at the ...
3
votes
1answer
2k views

Can my Ethereum Based Tokens / Coins be traded on a crypto currency exchange?

I am building my own Crypto based on Ethereum Blockchain. Is it possible for this newly created currency to be traded on any crypto currency exchange? And secondly, will my new currency be compatible ...
6
votes
2answers
2k views

Blocks are not being downloaded [duplicate]

After the attacks the clients are shit. At the moment, I am unable to download any blocks, except if I delete all the chaindata and it starts again. I have less than 6k blocks left to download and I ...
4
votes
1answer
995 views

Where's the Solidity code for Mist's default multi-sig contract wallet?

I would like to audit the Solidity code of Mist's default multi-sig wallet contract, where is it in github exactly? Thanks
0
votes
1answer
579 views

Sent transaction between ETH and ETC accounts

Halp! I sent a transaction between an ETH account and an ETC account by accident! How can I recover the ether?
11
votes
2answers
5k views

Are there other Vanity Address generators available?

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 ...
4
votes
2answers
1k views

Anatomy of a Geth Wallet File

Just want to make sure I can fully recover a geth wallet. There are many parts to a typical wallet file: {"address":"ethaddress", "Crypto":{"cipher":"..aes","ciphertext... So basically theres the : ...
2
votes
1answer
7k 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 = '...
6
votes
4answers
1k views

How to troubleshoot a white screen in Mist browser?

I keep running into issues with white or black screens showing up after installing the mist browser or the ethereum wallet. How to troubleshoot a blank screen in the wallet or browser?
20
votes
6answers
15k views

Is there any hardware wallet available for Ethereum?

What are the various available hardware wallets for Ethereum?
14
votes
1answer
16k 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 ...
7
votes
1answer
5k views

JavaScript Code Required to Generate an Ethereum Address?

I am aware of several tools and websites that generate addresses for you, but I'm looking for an actual JavaScript code snippet to demonstrate the steps plainly.
5
votes
2answers
159 views

Common Gas Wallet for ERC20 Wallets?

We have a wallet structure where users send tokens to individual user wallet addresses generated for them, we then sweep all the funds in the user's wallets to a centralized pool. The individual ...
13
votes
6answers
12k 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 ...
6
votes
2answers
11k views

How to generate an Ethereum address using Web3.js using a string of text or brain wallet?

I want to implement a brain wallet like address generator using web3.js -- I basically have a string of text and want to convert this into an Ethereum address. How can this be done?
3
votes
1answer
1k views

Ethereum wallet address creation limit and ether storage limit/capacity per address

I am new to Ethereum. I would like to know How many addresses can you create in an Ethereum wallet (limit)? Meaning is it 1K, 10K or 100K addressees you can create in a Ethereum wallet What is the ...
7
votes
2answers
1k views

Is the Mist Wallet stable?

I want to install the Mist Wallet and store my Ethereum in it. However, I wanted to know how stable the Mist Wallet is. Is it safe and reliable to use? The reason I ask this is because there are ...
5
votes
3answers
15k views

Can I transfer ETH without syncing on current pc? [duplicate]

I have a new pc and want to access the ETH I had in my wallet on my old pc before and send them to poloniex. I have the keystore folder. I downloaded the current Ethereum Wallet (0.8.3) and it started ...
3
votes
1answer
5k views

Is there a way to manually import a private key into Mist?

I want to move Ether between different wallets. I have a private key and want to move it to the Mist wallet. Any way I can do that?
2
votes
1answer
3k views

How are transaction hashes generated

I am trying to find out if each transaction hash created by a wallet has some similarity or if every hash is "random". I suppose my original question leads into whether or not a transaction hash be ...
1
vote
2answers
2k 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 ...
12
votes
3answers
8k 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!
8
votes
2answers
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 ...
8
votes
1answer
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. ...
7
votes
2answers
1k views

How can I force a redownload of the entire blockchain on the mist wallet?

I'm having an invalid date issue on mist. (https://github.com/ethereum/mist/issues/525) I'd like to just try to redownload the blockchain again. How can I do that ?
4
votes
2answers
524 views

Windows Wallet, Beta 7, stuck at 460,000 out of 663,000?

My friend downloaded the Windows Beta 7 wallet and as you can see in the picture he is stuck at block 460.000. Also the "out of" blocks statistic keeps jumping between 663,000 to 1,000,000+. Even ...
3
votes
1answer
2k views

Android Ethereum wallet for a private blockchain?

Is there any android wallet that can be customized to operate on a private Ethereum blockchain? I need to send/receive transactions and run simple queries on the blockchain data. I'm not looking for ...
3
votes
2answers
487 views

Trouble with Mist wallet 0.8.7 and 0.8.8

When I tried to run my Ethereum Mist wallet yesterday I ran into two problems: 1.) When starting up version 0.8.7 I got a popup that said: *"Couldn't connect to node? See the logs for more:* *Node ...
2
votes
0answers
41 views

In solidity, struct has some mistaken?

contract MyContract { struct Posposal{ uint posposalId;//防止复核数组变动时 address voteSponsorAddr;//投票发起人 bytes1 description_;//投票内容信息 0 转币 以后扩展 uint userId;//投票给目标以太币地址所对应的id uint ...
1
vote
1answer
982 views

MIST wallet balance not showing

I set up a wallet via Linux Terminal in November, I know there is a balance there and just checked. I set up MIST 2 nights ago and was told that MIST recognizes the wallet in computer (which I didn't ...
25
votes
2answers
9k 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 ...
14
votes
2answers
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 ...
15
votes
2answers
9k 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 ...
2
votes
1answer
1k views

Node script to sweep accounts

I have a rather large list of accounts (HD wallets) I want to sweep into one. They've all been imported into geth, and all have the same password. I wrote a script to do this in node but get this ...
1
vote
2answers
3k views

Ethereum wallet v3 format

Can someone explain what exactly Ethereum wallet file (v3) contains, and how it works. How exactly public-private key pair is encrypted. Why two encryption algorithms are mentioned in the file (aes-...
16
votes
1answer
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?
8
votes
1answer
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, ...