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 I add an option to pay with cryptocurrency in an android app using Java? [duplicate]

For my college assignment I have been tasked with creating an app that among other things allows a user to pay for services using an ICO Token (ERC20 contract), How do I go about doing this? The ...
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How does Metamask revert/cancel minting transactions?

I unfortunately wasn’t able to find any information on this, neither on Metamask's community forums nor anywhere else online. I’m wondering how minting transactions are cancelled through Metamask or ...
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DAPP login with all wallets

how i can make this type of login modal that support all the wallets for my dapp ?
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All my crypto was drained from Metamask account?

Please help...I attempted one Uniswap transaction for ETH/WEMP yesterday and opened my Metamask wallet today to find ALL my crypto drained from my Metamask wallet (in addition to ETH, I had 1 billion ...
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What's the strategy for generating a wallet address for a ERC20 token that does not have a BIP44 coin type?

I am creating a wallet (just for the ethereum ecosystem) that allows the user to create multiple accounts from a single 24 word mnemonic. I was thinking BIP44 is a good fit until I realize some token ...
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Cant validate authenticated message with ethers.js

I need to be able to retrive a document from the contract, have it signed by a users wallet and then send back to the contract and the signature validated. Here's how I have address0 sign it on the ...
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Unauthorize transaction from Ronin wallet [closed]

I want to report an unauthorized transaction. This happened 5 days ago I lost my hard-earned money and I just saw it from the transaction history. I saw a feed from a random dude in FB that when he ...
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Can I send BNB and BEP20 token in the same web3 sendTransaction?

I'm trying to develop a javascript function to send BNB and a BEP20 token, at the same time, in one transaction, with web3. let decimals = web3.utils.toBN(18); let bnb_amount = web3.utils.toBN(...
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WalletConnect mobile wallets that support custom chains

Iam trying to test walletConnect implementaiton in my code and i can't find a fully working wallet that lets you use custom networks, i tried multiple wallets and each had their issues: Metamask for ...
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In A Hierarchical Deterministic Wallet like metamask, are the additional child accounts completely private or can they be found to be from same master

Just wondering if anyone knows if this is undercover or if other viewers of my metamask will know the other accounts are related to my main.
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What's the easy way to chack all asset in a wallet?

I'm trying to create a "simple" wallet checker on the BSC but without using any API, only with the blockchains data. But I don't find the "easy" way to do that or I don't ...
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Module parse failed: Cannot use keyword 'await' outside an async function

I'm getting an error message. I set my tsconfig.json to use "es2017" for await. It's still not compiling. Have no idea how to configure Web3Modal to a Button. Link to GitHub: https://github....
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Can I trade ETH from a private blockchain on to a public blockchain?

say I buy a certain amount of ETH per private blockchain and move my assets to my ETH wallet. Do I then have the option to trade those (private) ETH on a public blockchain, using the same wallet as ...
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158 views

What happens when you connect wallet to website?

When a user goes to a crypto-related website (like Pancakeswap for example), the website asks the user to connect their wallet (eg Metamask, Binance Chain Wallet). I have several questions: What ...
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Why don't we have an EVM integration library written in C++?

We have web3.js for JavaScript, web3j for Java and NEthereum for Unity/.NET. I want to develop with Unreal Engine (C++) a game that runs on Polygon, but there's no integration library in C++. Should I ...
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1answer
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What is clients internal state representation?

I am reading the Mastering Ethereum book and came across this paragraph: For EOA addresses, or rather for any address that isn’t flagged as a contract on the blockchain, Ethereum will record a state ...
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Someone sent me .69 eth from a coinbase account. Should I be concerned? [closed]

Im noobish tbh, should I move everything to a hardware wallet? Should I move the eth out of the act so they cant take anything? Im sure I couldve been hacked somehow and someone got my keys. Any ideas?...
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Is it possible to get the mnemonic phrase back, if I have a few private keys derived from this mnemonic phrase? [duplicate]

I used my mnemonic phrase to create a lot of accounts long time ago. I have the private keys of some account derived from this mnemonic phrase. Is there a possible way to find the mnemonic phrase back/...
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How does Opensea mobile app manage "Log in with metamask / trust / rainbow"?

So I was playing around with opensea today and noticed login feature that uses crypto wallets. I am curious to understand how they achieved it in a native app. The flow is something like this User ...
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1answer
157 views

Scam where unsolicited airdrop NFTs, if sold, empties victim's wallet

There are many reports of random NFTs being distributed to collectors' eth wallets on Opensea, and if the recipient accepts an offer to sell them, or lists them, they apparently verify a MetaMask ...
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1answer
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What is exactly in my crypto wallet and how does pass phrases work?

I know my crypto wallet does not contain my actual coins but a private key. Is this all that is contained in a wallet? if so how is it possible to restore a wallet on another computer by just knowing ...
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1answer
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Erc-20 token help

I am new to erc20 tokens, so I was wondering if I could have some help. I'm considering starting an erc20 token and I have one main question. When someone buys my erc20 token, does the Ethereum they ...
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How is Metamask able to interact with Ethereum if it doesn't require running a full node?

How is Metamask able to interact with Ethereum if it, Metamask, doesn't require running a full node? Does Metamask use any third-party service for it? If so, is this the only way - to use a third-...
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1answer
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Can someone help me understand what this address is? has a lot of weird transactions. I am trying to track a scammer

How can I find out a specific address that belongs to which exchange? I am trying to track a scammer. my tokens were stolen and transferred to this address: 0xf629cbd94d3791c9250152bd8dfbdf380e2a3b9c ...
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ETH mysteriously removed from my account around 12hours after using Binance Bridge

Perhaps someone can shed some light on this for me? Recently joined the crypto world. Created a Metamask account, sent some test eth, all was fine. Had a family member send some BNB, then add some ...
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97 views

Unauthorized transaction from Ronin Wallet

I'm facing a big problem related to my Ronin Wallet, i bought ETH as usual and trying to send it to Axie Infinity, but after i got the ETH i bought, another random transaction appeared as if i ...
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I know my mnemonic phrase but #walletconnect has me stuck on "convert" page. I need help!

I have a very small bit of ETH from a while ago. Not worth much, but want to convert and cash out. I have never been serious about crypto, so all I know is my phrase. I booted up Wallet Connect in my ...
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201 views

WalletConnect on frontend not working

I want to add wallet connect on my website. I try to do it like Metamask (i.e : adding web3.js in my HTML file and write script to interact with user). But this tutorial is not working : https://...
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31 views

Manually add contract address to an Ethereum wallet

I cannot find any advice on how to manually add a contract address for tokens on the ETH network. All resources point to clicking "add wallet" within their own application. Similar to adding ...
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1answer
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What happens to the old desktop wallet once you use recovery phrase to restore your funds somewhere else?

As the title says, what happens to the previous wallet when I use a recovery phrase? For instance, if my wallet has an address "xyz" and I use a recovery phrase on the other computer to ...
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1answer
84 views

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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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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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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1answer
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What is the Polygon equivalent of `import { useWallet } from '@binance-chain/bsc-use-wallet'`

I'm following a private code tutorial for building a bsc dapp that calls import { useWallet } from '@binance-chain/bsc-use-wallet'. However my current project is going to be for the Polygon network. ...
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211 views

What happens when disconnect my wallet from Pancakeswap

Suppose I have a Binance Chain Wallet and I use that to connect to Pancakeswap or similar site to do staking and yield farming. I successfully set up everything and start yield farming. So far so good....
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1answer
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How to create multiple contract instances for each user for a multisig wallet contract in front end UI

So I am making a multiSig wallet and i am making a UI with web3.js and all of that. I am pretty much finished my project and evrything looks and works great and i have included the ability for ERC20 ...
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35 views

How to make address withdraw full amount in wallet or none

I'm doing a project where I want to make a banknote for an etherum, but the main problem is I want the user to access the hidden private key of ethereum wallet, access it and withdraw the full amount ...
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Donate lost ETHs

Hello Vitalik and Ethereum Team, I started mining ETH the first days and also bought some with my BTCs because i believed since then in Ethereum. One of my biggest mistake was that i formated my PC ...
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1answer
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Can I create a multi-wallet in web3 that can store/receive/send other tokens like shiba, safemoon etc?

Please am totally a novice in eth and web3 stuff I managed to know how to create wallets in web3 but the part am totally not getting is.. I don't know if this wallets can be used to receive/store ...
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What are some reliable multisig wallet solutions for Ethereum?

so I partnered up with 4 people that we work on a project. It is not that we dont have some basic level of trust with each other but we would like to have some added reassurance when it comes to ...
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Ethereum Wallet access help needed

EDIT: How can I gain access to Ethereum in the now discontinued Mist wallet ? I have a 42 characters code which I presume is the wallet number ? I have the password I used for the wallet. I have a ...
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1answer
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How can I transfer the eth that I'm mining with Geth to a wallet? (MEW)

I'm running Linux Mint. I have tried following tutorials but nothing is happening other than my geth chaindata folder increasing in size. I also don't know how to join a pool with Geth. Also don't ...
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1answer
24 views

Is it possible to link 2 public address to another one?

i've seen this in exchanges wallets. so if u transfer some coins to the address which is use for deposits even after it change, it would still link to your wallet. so i want to make a gateway for my ...
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Embedding metamask or a wallet on a network in a webpage

just a random thought. Is it possible to embed a wallet on a network in a webpage? Sort of like moving part of metamask and making it a permanent built-in module in a webpage. This way, users do not ...
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1answer
215 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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Old shapeshift account with secret key. How do I extract my ETH address?

My secret key looks like this, but its all numbers. No letters or words at all. The format looks like this: 500000 100000 300000 600000 400000 411111 900000 400000 611111 811111 I have some FOX tokens ...
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1answer
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Signing once-and-for-all recurrent transactions with a wallet such as MetaMask from a backend

I've been searching this for a while now but couldn't find a proper answer. Is there any way to have users use a wallet such as MetaMask, Formatic etc. on a backend and allow the user, from the Wallet'...
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1answer
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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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TypeError: Cannot read property 'accounts' of undefined

I am trying to create an ethereum wallet for my external website apart from available Ethereum wallets. I am running the following code to make my wallet: var Accounts = require('web3-eth-accounts'...
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1answer
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Blockchain Wallet cannot send ethereum

I am starting to be really fed up with this (shi**y) wallet. First of (unrelated problem) it started to show wrong ethereum balance (zero) on the dashboard, probably showing the balance of "...

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