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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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 ...
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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 ...
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53 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 ...
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50 votes
2 answers
48k 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?
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18 votes
6 answers
64k 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?
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7 votes
2 answers
13k 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 ...
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35 votes
1 answer
16k 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?
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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?
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7 votes
1 answer
10k 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?
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15 votes
3 answers
12k 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 ...
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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 ...
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6 votes
2 answers
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.
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70 votes
3 answers
68k 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 ...
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3 votes
3 answers
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 ...
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  • 73
1 vote
1 answer
194 views

How to create Bitcoin-like wallet structure for Ethereum?

'Hi everyone! Any suggestions for an architecture to reach to Bitcoin's wallet structure for Ethereum? Appreciate any help, R. Geth version: 1.10.12-stable Geth's web3 api version: 0.20.1 OS: Windows ...
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11 votes
4 answers
28k 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 ...
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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?
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5 votes
2 answers
2k 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 ...
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4 votes
1 answer
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 ...
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3 votes
2 answers
327 views

How the centralized exchanges handle deposits?

'Greetings! I am wondering if anyone is aware of the structure that is used by centralized exchanges like Binance, Coinbase, KuCoin, etc. to handle their ETH/ERC20 Tokens deposits. I started to ...
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6 votes
2 answers
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 ...
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4 votes
1 answer
1k 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
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0 votes
1 answer
870 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?
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45 votes
1 answer
22k views

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.
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  • 590
12 votes
3 answers
31k 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 ...
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7 votes
4 answers
22k 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 = '...
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4 votes
2 answers
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 : ...
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6 votes
4 answers
2k 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?
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3 votes
3 answers
13k views

Reinstalled MetaMask, account lost?

I had 3 accounts under my MetaMask Chrome extension. One of them had some small deposit. I have reinstalled the extension and used seed phrase to get access again. However, I can see only one account (...
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5 votes
2 answers
1k 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 ...
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21 votes
6 answers
15k views

Is there any hardware wallet available for Ethereum?

What are the various available hardware wallets for Ethereum?
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 ...
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  • 445
7 votes
1 answer
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.
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13 votes
6 answers
16k 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 ...
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  • 445
7 votes
2 answers
12k 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?
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3 votes
1 answer
2k 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 ...
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7 votes
2 answers
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 ...
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3 votes
1 answer
5k 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 ...
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3 votes
1 answer
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?
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3 votes
3 answers
8k views

How to use a metamask Wallet from web3,py?

I deployed contracts to Ropsten test net using truffle and a metamask wallet to pay for the transactions and Infura as a Hosted ethereum node. To do that in Truffle, I have to use the truffle-...
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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!
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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 ...
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  • 91
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. ...
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  • 630
7 votes
2 answers
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 ?
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4 votes
2 answers
552 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 ...
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3 votes
3 answers
2k views

Ethereum wallet Vs Ethereum account?

I created an Ethereum node (geth) and this automatically created an Ethereum account. Is this account an Ethereum wallet? I then created 2 other accounts using personal.newAccount() command. Are these ...
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3 votes
1 answer
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 ...
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3 votes
1 answer
513 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 ...
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  • 361
2 votes
3 answers
8k views

How to access eth wallet with utc file

I have only saved the UTC file generated from myetherwallet and after losing data from my laptop i lost the document where i had my password and private key. Can i recover my account now ?
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2 votes
0 answers
45 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 ...
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