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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How can an Ethereum address start with 0x8888888888?

Ethereum wallet addresses start with 0x followed by random number and letters as a hexadecimal string. How is it possible then that there are addresses visible on Etherscan that seem to be "...
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Did I use the wrong wallet address?

I recently started mining with some left-over GPU time. My server is running Ubuntu. nvidia-docker run --memory="7g" -d kriation/ethminer -P stratum1+ssl://...
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Restore from ethereum keystore file results in an unusable private key

I have a keystore file from an old ellipal wallet with some eth with it. The corresponding password is correct (I can use it to display the private key and keystore in it) and I can also run the ...
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About Ethereum password

I joined Ethereum 's ICO in 2014. But I forgot my password. I have a keystore file but I do not know my password... So I am thinking of brute force attack on my wallet. Please tell me the password ...
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I have lost my wallet seed phrase

Pls can I get my phrase though my contract address or which app can I used to get my full details with contract address back or get my phrase back any help pls
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245 views

Ethereum geth mainnet blocked on “Looking for peers”

I installed Geth for setup a ethereum node on my linux server and use it on my RPC API. The problem is, Geth is posting "Looking for peers" forever, I don't really understand why. This is ...
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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 = ...
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Login and Signup system on mobile dapp

I'm generally new to web3 development, I have experience on building mobile apps with JavaScript and React Native. I am looking on building a mobile dapp, and I would like to start by building the ...
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1answer
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How to use web3 to send ETH from wallet A to wallet B through an intermediary Smart Contract?

I want to send eth from 1 wallet address A to wallet B address but through an intermediary Smart contract, what should I do? I don't know how to solve that problem yet. EX: https://bscscan.com/tx/...
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1answer
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How to tell whether a 0x address is a wallet or a contract?

This as an Ethereum wallet address: 0x983110309620D911731Ac0932219af06091b6744 This is a token contract address (ERC-20, WETH): 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 As you can see they are ...
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Why do scammers use disperse.app before launching their own tokens?

They are not dumping, it’s just that more often than not, at the beginning of the transactions (last pages) there’s hundreds of disperse transactions, often for really SMALL amounts. What’s the ...
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Is there a way to validate only ethereum wallet address?

I'm not very familiar with cryptocurrency, but i need somehow validate ethereum wallet address. I've found a way, but it also accept token contract address. So is there a way to differ them, and only ...
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Coinbase network fees

how much are the fees for sending eth from Coinbase? Or what exchange has the lowest fees for sending etherum? Thank you!
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645 views

Mist / Ethereum Wallet question

I bought a very small amount of ETH on coinbase just to try it, and I wanted to create my own wallet to get it out. However, I've been trying to get Mist working for 3 days and it is always stuck on ...
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How to import Brave Wallet into Metamask?

I'm trying to write to an Etherscan contract, but Etherscan only supports Metamask and WalletConnect. The contract depends on my Brave address, so I downloaded Metamask and imported my Brave seed. ...
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How to make web3Modal dapp compatible to coinbase browser?

I have made my dapp compatible with web3Modal. The dapp is using simple Html/css/js. It is working fine with metamask desktop, metamask mobile and wallet connect but when I try to browse it from ...
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141 views

How do i create account remotely?

I have two servers, one for eth-node, one for web api and user db. I want to send request to create account from web server to eth server, but i see it can be created by running command like geth ...
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ETH wallet error

I want to download the ETH wallet and make light synchronization on my PC. I downloaded ethereum wallet, but after launch, the Checksum mismatch in downloaded node crashes! MD5: 308 ... Please install ...
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Problem with transfers.noOfApprovals and transfer[id].sent

I was creating a multi-sig wallet in Solidity and some functions don't seem to work while testing. One of the problems is when we provide approvals for a transfer from an approved account, the number ...
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604 views

Read Metamask Firefox vault binary file

I have a problem with Metamask Firefox. Mine is broken. Only white screen when I open Metamask. I forgot to save the seed phrase. The only thing I have is the Metamask storage addons file on my ...
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Is it possible to continuously create new wallets until you "create" an already existing wallet?

This question is inspired after reading How are ethereum addresses generated? This is the section of interest There are three main steps to get from private -> address: Create a random private ...
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i want to sell my ethereum but i only have BTC as an option to sell on ledger live

I have a nano s and have the latest update.. i want to sell my Ethereum but i only have BTC as an option to sell on ledger live. How come i cant see ETH as an option and only BTC in which I have none?...
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191 views

ERC721 Metadata encrypted by owner's public/private key

Is there a good way to keep personal data (e.g. name, address , etc.) in the ERC721 metadata JSON, encrpyted with the public key of the owner, so that only the owner can decrypt it with his/her ...
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How come SHIB and CAKE wallet just use the same Ethereum address?

I created some wallets on the Exodus app, including SHIB, CAKE, and ETH, but I noticed that the SHIB and CAKE address is the same as the ETH address. Using unMineable to mine, the wallets are also: ...
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150 views

Is my matic lost?

Recently I sent erc20 matic from an eth wallet to an matic wallet address the tx was successful on etherscan but my sent amount or tx is not found in the destination matic address and or polyscan. Is ...
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How to check a wallet's Wrapped Ether balance on OpenSea or Etherscan?

Etherscan shows transfers in and out of Ether, whereas Wrapped Ether (WETH) appears in Etherscan's ERC-20 transactions. Etherscan readily displays the current Ether balance of a wallet at the top-left ...
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157 views

Not able to transfer ETH via MetaMask using web3.js

So I try to transfer the funds using below code its working in metamask extension its shows SEND Ether amountToSent = "0.002" web3.eth.sendTransaction( {from: ethereum.selectedAddress,to:...
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132 views

Using Coinbase Seed Phrase On MetaMask

Is it safe to use the 12 word seed phrase from Coinbase Wallet...for MetaMask? I heard its not safe. When I tried it...it showed my coinbase balance. For MetaMask do you only need to use a MetaMask ...
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159 views

Multiple receiver addresses for a single private key possible?

I'm looking at the difference between bitcoin and Ethereum wallets, and I'm confused about this part: It seems that a bitcoin wallet can have multiple receiver addresses: In my mind this translates to ...
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615 views

Where to report scammer Ether wallet addresses?

Bitcoinabuse.com is where we can report scammer addresses for Bitcoin wallets. What is the equivalent for Ether scammer addresses?
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1answer
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How can I provide an ethereum public address to each user registering on my website.?

is it possible to do using web3.js for a dapp that is going to be run on mainnet.? I have a requirement to assign valid ethereum address to each user who are registering on my website. I want this ...
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1answer
5k views

Why are all NFTs created from Null Address on Opensea?

When someone mints on NFT on OpenSea using their own wallet as the identity of the creator, why does Null Address always appear in the NFT's transaction history as the creator instead? and then the ...
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How to access funds from selling NFT on OpenSea.io when paid via internal transaction sent to my MetaMask Wallet?

I sold an NFT on OpenSea.io but don't see the proceeds reflected in my MetaMask wallet. Upon review, OpenSea sent the proceeds of the sale via internal transaction to my MetaMask wallet. How do I ...
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"Coinbase 6" instead of exchange wallet address showing in Etherscan transactions

An exchange wallet address created on an exchange like Coinbase or Kraken starts with a unique 0x address just like any other Ethereum wallet. But when you transfer out to another 0x address from this ...
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2k views

Transaction Failed but showing as Pending on Etherscan

So I just started using ether after the same was legalized in my country (India). I use Coinbase Wallet for my Storage of ether. I decided to shift to Metamask from Coinbase Wallet and as such ...
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481 views

How to setup clef signer with clef --stdio-ui

I have geth running on rinkeby network and successfully used clef as a signer using command. clef --keystore ~/.ethereum/rinkeby/keystore --chainid 4 --stdio-ui Also started geth with clef as ...
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994 views

How to recover all additional accounts belonging to a MetaMask seed phrase?

When we first create a MetaMask wallet, it has a seed phrase and there is only one wallet address. By pressing Add Account in MetaMask, however, we can also create additional wallet addresses ...
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Finding transfered ETH

On January 9, 2018, I transferred some ETH to a wallet. I cannot find it. All I have is the wallet it was sent to using https://etherscan.io. On the same day, I created a file on my desktop called &...
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141 views

Wallet of ERC20 token

okay so i am making a mobile application where i want to place the ERC20 wallet with that application ? so my question is : is it possible to do this ? how much will it be secure ?
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Case sensitive eth-addresses with different balances?? How is that?

These are the addresses: 0x7cB57B5A97Eabe94205c07890BE3C1aD31E486A8  0x7Cb57B5a97EaBe94205c07890bE4C1aD31E456a8  0x7cB57B5A97eAbe94205C07890BE4c1aD31E486A8  0x7CB57b5A97eabe94205C07890beaC1aD31E486a8 ...
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2answers
466 views

How Does Exchanges Implement Gas Fees for ERC20 Tokens

Any crypto exchange like binance, bitfinex and so on let you deposit and withdraw various ERC20 tokens. Technically I don't understand how they implement gas fees when I withdraw? I deposited 100 ...
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125 views

one wallet address, multiple users, what is the best way to keep the private key secured?

I would like to develop an application using the web3j. However, it needs to be just one wallet that multiple users will deposit and withdraw from. The allowances are kept in a centralized database. ...
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1answer
127 views

FRAGMENT ACCESS in Ether.js library

As I read Uniswap front end code, I see that they use contract.interface.getFunction to get the function fragment rather than use contract.methodName to trigger the function of the contract I don't ...
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2answers
358 views

Is there a way to access my wallet's private key? Recovering passcodes?

Not sure if this is appropriate here, but I'm trying to recover a lost wallet by brute-forcing the passcode. From a previous answer to the same question, it seems like the developers decided against ...
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1answer
13 views

Is there a mechanism or app or technology to verify user controls public key?

I read somewhere that there is a way for me to verify that a given individual owns a public key. Unfortunately, I don't know where that article was nor what term to search for. For example, I want to ...
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Transfer ETHM from Coinbase Wallet to Coinbase?

I have purchased some ETHM in Coinbase Wallet. I would like to transfer the ETHM to Coinbase. For some reason I am not able to??? I have done this process with other coins that were only available in ...
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319 views

Importing Parity/OpenEthereum private keys to Geth: got zero balance

I have to migrate to Geth from Parity/OpenEthereum as the latter completely stopped syncing for me. First of all I tried to copy one of my private keys exported with parity_exportAccount() - which ...
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Ethereum Wallet Server Memory Usage Problem

When we are creating Ethereum Wallet server on Linux Ubuntu its using a lot of memory. Because its logging all of transactions automatically. Its about 1TB hard-disk memory usage per 1-2 days. Can we ...
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Most secure language for building Ethereum wallet

I'm interested in building an ethereum wallet as my next project and wanted to use Java and ethers.js. Is this a good idea or is there a better language I should use? I'm familiar with Java and ethers....
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160 views

install ethereum wallet on local computer

I want to be able to transfer ether from an online exchange to a private wallet on my local computer. How can I install a safe standard wallet? Do I need to install ethereum blockchain first? If so, ...

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