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 to Verify Contract Address Ownership on BscScan

We own a multi-sig wallet with Gnosis and we are trying to Verify Contract Address Ownership on BscScan and we need some guidance. There are no instructions on how to do so from what we have ...
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How to recover private key from 2017 Parity wallet (non-standard BIP-39) recovery phrase?

I have a 12-word recovery phrase for a 2017 era Parity wallet that I'd like to get access to. I know its public key and I know the recovery phrase the wallet software provided me with upon setup. But ...
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I'm using brownie for testing contracts but its stuck like that in the image

I made a project folder using brownie. I can deploy the contract from the scripts folder but when I test it it's stuck I can't find anything that solves the problem.
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Recovering through seed phrase; Old MetaMask (mnemonics password) is still working to access the wallet?

When I do recovering my wallet using seed phrase, So on creating a new password and all doing fine. But when I try to unlock the wallet with old password; It's working!! Is there any approach to ...
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How do wallets generate new key-pairs?

The probability of collision for any two randomly chosen private-public key pairs is notoriously low. However, I wonder whether wallets or key generators use random or pseudorandom numbers to generate ...
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Balance of token not appearing in my wallet (Ethereun ERC20)

I transferred AAA Tokens to my own wallet deposit which is under Network Ethereum ERC20. Etherscan seems ok towards my success transaction Txid: ...
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I am having trouble transferring my Tether USD from coin-base wallet to everywhere

I'm trying to send Tether USD to another wallet or exchange. I try to send to a Binance address (I have the same error with Coinbase address) but I receive this error: 0.00038 BNB (0,17 USD) may be ...
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As a developer how to let user of your DAPP choose the preferred wallet

In the DAPP I am building I want to let users log in with their wallet of choice. Currently I have two wallets, Metamask and coinbase wallet. The function window.ethereum.enable() injects web3 ...
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how to set up an ETH sweeper bot or scavenger on a private key

So I have been studying wallet sweeper bot or scavenger hunt which somehow linked to the private key and as soon you send some Eth to that wallet address it sends to another wallet address of the ...
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How to check malicious code if it's safe to connect wallet to website?

The source code of this website doesn't show the contract address being interacted with when someone connects their Ethereum wallet to their site. Would like to check the underlying Solidity code of ...
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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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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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What is web3's wallet definition and usage?

'Hi everyone! Is web3's wallet definition and usage, the same as in Bitcoin's? Appreciate any clarification, R. Geth version: 1.10.12-stable Geth's web3 api version: 0.20.1 OS: Windows web3.py ...
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How to create a wallet?

'Hi everyone! I'm wondering if anyone has trouble using web3's create wallet method? I do not have access to web3.eth.accounts.wallet command through my Geth's console. Appreciate any help, R. Geth ...
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Excluding an address from fees in _transfer function

I intend to exclude the deployer of the contract from paying a 9% fee, which is placed on every transfer. I tried to do this by adding a if statement to _transfer that checks if the sender has the ...
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unable to get test eth for Goerli testnet , and it is showing this error all the time"url doesn't link to supported services"

I have tried to get it with both tweeter post and facebook post links to get eth,But they are not working for me.
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How to indirectly convert Monero to Ethereum in MetaMask?

Obviously MetaMask only deals in ERC-20 tokens, which means MetaMask doesn't recognize Monero, but indirectly, how can one send/swap/convert Monero funds to an Ethereum hot wallet? The idea is to load ...
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Create ethereum address starting from entropy

Yesterday i came across this amazing tool by Ian Coleman https://iancoleman.io/bip39/ .I was wondering if it was possible to reproduce a script in phyton that do the same thing. Which should be the ...
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can hacker hack all adress accounts in the same metamask wallet by one sub account's private key [duplicate]

the private key of one sub account of my metamask wallet is exposed on the web (github), I try to avoid to use this sub account, can hacker still get acess to other sub accounts in the wallet?
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Development Workflow for React-Native

I'm running into a bit of a conundrum. I'm trying to develop a dApp on React-Native and have WalletConnect working but can't figure out a good development workflow. If I run my app on the ios ...
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Bulk Distribution of NFTs to Wallets with Varying Quotas

Problem: I'm working with two programmers to launch a 4444 NFT avatar collection. My main focus is fair distribution. There will be more than 1K wallets with varying number of claims, some will have 1 ...
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Gas cost too high on using IERC20.sol by openzeppelin

I am new to Solidity. I have deployed a smart contract for a multi-sig wallet on the Rinkeby Testnet. Here I used the IERC20.sol file by Openzeppelin for deposit, withdrawal and checking balances of ...
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developing custodial vs non-custodial wallets

This is a very broad and general question so I'm going to specify my intended use case and branch several questions, mainly referring to the implementation of each approach. In short, users using my ...
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What is it that makes wallet unique across multiple wallet providers?

So there are multiple wallet providers for example metamask, exodus, ... I'm not able to understand what is it that makes wallet unique across all providers?
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Wallet system on Mobile Dapps

I want to develop a mobile decentralized application with flutter but I have a few questions in my mind. Well, I want to store data on the blockchain through smart contracts. So, I have to connect a ...
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Since blockchain does not really hold/store data, how exactly do Blockchain projects/apps work?

To clarify, it is expensive and poor practice to store large amounts or sizes of data on a blockchain (ethereum or any other) Therefore, we don't link an application's backend logic directly to a ...
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Do MetaMask, Trezor and Ledger all use BIP-44 seed phrases?

Do MetaMask, Trezor and Ledger all use BIP-44 seed phrases that have 24 words? If so, can you recover a seed phrase generated by any one of these devices onto each of the other devices?
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Recovering a seed phrase will only discover sub-wallets that have a transaction history?

MetaMask, Ledger and Trezor are all compatible with BIP-44 recovery (seed) phrases a source says. The manual for BIP-44, below, however, says that secondary wallets on the same seed phrase as wallet #...
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Network icon like bnb

Hello everyone My partner and I are engaged in deploying smart contracts and creating a node. We have now settled on adding the logo of the main coin (as bnb). Is there a way to add an icon here?
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How to connect a wallet to a smart contract and deploy the application to ethereum blockchain?

I have made a smart contract that will get some money. But most people recommend not to store money on a smart contract. So how do I connect a wallet to a smart contract? And how do I deploy the ...
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Did my tokens land in an exchange walllet... or in a black hole?

About a month ago I misread a blog on Binance.us which stated that they now support Polygon (Matic). I assumed that meant I could send any token on the Polygon network to my binance account. So... I ...
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Best way to store wallet private key in code?

I'm using web3.js to interact with my smart contract and I need to save my private key in my js code so that I don't have to be constantly asked to approve a transaction. I'm using the signTransaction ...
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How to automatically forward Ether that I receive on my one wallet to another? [duplicate]

Very basic understanding of Eth. I have more than one wallets, addresses are given to different people to pay to. I want to forward all incoming eth from those wallets to my master wallet. How can I ...
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How can an Ethereum address start with 0x5555555555? [duplicate]

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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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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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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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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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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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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430 views

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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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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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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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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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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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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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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"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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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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