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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Sent ETH from exchange to arbitrum one network instead of ETH network

Is it possible to retrieve the ETH by creating an exact same address on Arbitrum One network? Is it the same steps as described here on this other similar question: Recovering ETH Sent to Wrong ...
appm's user avatar
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1 answer
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Swap, usdt to usdc, eth to usdt, eth to usdc etc

Can someone explain how to swap, usdt to usdc, eth to usdt, eth to usdc etc. Without any third-party (uniswap, 1inch etc). In language java/kotlin. For mobile wallet an application
Insan's user avatar
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2 answers
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Viewing all cryptocurrencies on a single wallet via its seed phrase

How to view all cryptocurrencies on a single wallet via its seed phrase
john's user avatar
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How to optimally display over 500k EOA wallets' daily balances spanning three years back?

I would like to display over 500k EOA wallets' daily balances spanning three years back and wonder if there is a more efficient method than using eth_call and balanceOf 500k times per day for three ...
littlewatermeloncat's user avatar
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Why has the Safe{WALLET} dapp iframe an outer scrollbar?

Just integrated the Safe{WALLET} with the XPowermine.com dapp and noticed that the <iframe> on the desktop has this extra scrollbar on the right hand side. Further, since the dapp has its own ...
Hasan Karahan's user avatar
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11 views

API Mechanisms for Crypto Asset Transfer on Tron and BNB Blockchains

I have experience using the Bitcoin RPC API, which provides the capability to create applications that can communicate with the Bitcoin network. This includes the development of self-custody wallets, ...
sci9's user avatar
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What is the private keys and wallet [duplicate]

{ "type": "private-key", "version": 3, "crypto": { "ciphertext": "513b4f7565bc1d655bc1789f486f66c812e5af97a0b297167f083567c913f488"...
Shugar Yum's user avatar
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1 answer
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Stuck in Smart Contract

I paid the fees on ethereum for item but received nothing what can I do for this? I think there is an error in smart contract please check for me my address is ...
Muhammad's user avatar
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New Account with no transaction

I'm working with my metamask wallet to interact with my DApp. While reading about data in Ethereum, I read that the blocks in the chain do not store any account information. It will have only ...
Valli Nayaki's user avatar
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1 answer
16 views

how can i look for wallets with a very specific amount of eth?

I would like to do a sort of a "reverse lookup" of a wallet address. I have the specific quantity of ETH with 18 decimals, and I would like to know what wallet address(es) have this amount ...
heavyautumnfox's user avatar
2 votes
0 answers
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Cannot send transaction to smart contract, 'unknown account' even with account added to wallet

I am trying to send a transaction that updates the state of a smart contract. I have locally deployed a ethereum network using Geth and three VM. Here is my JS code: import { Web3 } from 'web3'; ...
robeng's user avatar
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Can someone help me embed this crypto calculator on my website?

I am trying to copy this calculator - https://plasbit.com/widgets - into my website and it does not show on my site. Please help me.
regularcryptotrader45's user avatar
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Connect wallet to dapp automatically in internal wallet browser

I am working on a ethereum wallet and building an in-app webview where user can open dapps inside dapp itself (like trust wallet, family, etc). I am injecting a Provider (inspired from trust-web3-...
akathecoder's user avatar
1 vote
0 answers
71 views

Are there any USDC off-ramp providers to convert USDC to Fiat currency for a Custodial Wallet?

We have a custodial wallet created for each of the users of our application. They should be able to purchase the NFTs using USDC in the platform. Users should be able to on-ramp and off-ramp USDC from ...
crypto-noob's user avatar
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4 answers
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Seeking testnet and wallet for students to learn how to use ethereum?

I have a class on finance and have been trying to make it relatively painless for students to learn about getting a wallet, Ethereum address, learn about transaction hash and block, etc. Unfortunately ...
artiefufkin's user avatar
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Why there are few transaction before the Contract Creation txn?

Does anyone know in this smart contract (see screenshot below) why there are few transaction before the smart contract creation txn? It seem like this smart contract was previously a normal EVM wallet ...
jojo12's user avatar
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How to Implement User Account Switching in a Mobile DApp without Hardcod Wallet Private Keys?

I'm currently developing a mobile decentralized application (DApp) and I've had to hardcode the private key of the wallet to sign transactions. However, I'm facing a challenge when it comes to ...
kaustubh sharma's user avatar
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A guide to solve some challenges in building a blockchain game

We are designing a blockchain game, currently we have encountered some challenges in the wallet and interaction with the smart contract and token transfer that I would like to consult you about. First ...
Ali's user avatar
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How Can I find the right network of the transaction? - an emergency question for a newbie

I used 'Goerli faucet' and entered my MetaMask wallet address, but now I don't know which network I should use to see how much Ethereum I have because currently, my MetaMask wallet shows that I have ...
user126213's user avatar
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140 views

Viem wallet client method does not exist / is not available

I am trying to interact with a smart contract from a front-end web app using viem. I am successfully creating a Wallet Client with my wallet address, but when I call some of its methods, I get the ...
Dimitris Papazacharias's user avatar
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2 answers
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Metamask is not showing my balance - emergency question for a newbie

I have been using Metamask for a few days now, and I'm experiencing an issue. The Ethereum balances in my Metamask account are not showing up and it says I have zero Ether. However, when I check on ...
user126213's user avatar
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Would this library be interesting to dApp developers for in-browser wallet?

I'm with INTMAX, developing webmax.js, a JS library for quick dApp integration with our in-browser web3 wallet that's secure, uses biometric authentication, & supports EVM-compatible / Layer 2 ...
popomint's user avatar
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1 answer
29 views

Create a digital signature hash via Gnosis/Safe Multisig Wallet

I have a multisig wallet setup at https://safe.global/. I need to prepare a TX which calls a contract, and one of the parameters of the function I am calling needs a digital signature of the (tightly ...
user2340939's user avatar
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1 answer
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How can I setup RainbowKit for the local running hardhat blockchain Node?

Currently I am working with some DApp projects.I'm using Rainbowkit for the wallet connection and using Sepoila for the testing . But I want to use the locally running hardhat node for the testing. ...
Asir Shahriar Roudra's user avatar
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1 answer
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encrypt address and save into smart contract

Is there any way I can encrypt my MetaMask wallet address and save this encrypted address in a Solidity smart contract? For example, encrypt the address off-chain and store it in the smart contract. ...
dustinioxyz's user avatar
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1 answer
400 views

Coinbase / Web3 - how are they connected? Where is my balance on Web3

I am brand new. I created a Coinbase Account and started investing. I heard someone say something about web3. I don't know what this is, but I think i have money in there. As I'm still waiting to be ...
TheBlackSheep's user avatar
2 votes
0 answers
82 views

Impossible to get my bundle include even with 20 eth as priority fees

Bundle was not included in target block. Hello everyone, I hope you're all doing well. I'm currently attempting to execute a SwapExactETHForTokens transaction on Uniswap V2 using EIP-1559. When I try ...
PandaKungFuu's user avatar
1 vote
0 answers
22 views

Secure and deterministic browser symmetric key generation?

I would like to know, what are the best practices to solve the following problem: Imagine there's an Alice with browser and Ethereum account (connected with Metamask / Wallet connect / etc). She needs ...
Sergey Potekhin's user avatar
1 vote
1 answer
81 views

How to get the amount recieved during swap on Uniswap?

I'm trying to get the amount that I recieved in WETH during swap on Uniswap(can be hardcoded WETH). On the code below, I took random address that did swap, got his transactions and then decoded it ...
Daniel Kotlarov's user avatar
1 vote
0 answers
152 views

Alchemy API: How to get transaction history including failed and pending transactions for a specific wallet address?

In React I'm building a transaction history screen to list succeeded, failed and pending Polygon transactions. Using alchemy_getAssetTransfers I can retrieve the transaction history for a specific ...
Operator's user avatar
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2 votes
1 answer
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How to sign a transaction using metamask or other wallets in nethereum

I searched a lot on the internet and in the documentation, but I still haven't found the answer to my question. I want to know how to sign a transaction through an external wallet using the nethereum ...
Ali's user avatar
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0 votes
1 answer
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I need 1000 Ethereum wallets for load testing of my project, is there a way i can get that?

I have to test out the functionality of auto reinvest in my smart contract in staking, therefore I need about 1000 Ethereum wallets to test out my code! Please help me out here if there is any ...
Talha Sajid Chaudhary's user avatar
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1 answer
136 views

simulate a transaction considering another pending transaction

I have the following problem and have hard time to simulate it to get the answer. Let say I have a 5 WETH tokens. I sent transaction X with nonce 1 to transfer 5 tokens from Account A to Account B. ...
Majd TL's user avatar
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How to implement wallet connection with Ethers.js v6 for multiple providers (MetaMask, Coinbase)

I'm building a DApp and want to provide wallet connection options for users. I'm using Ethers.js v6 for Ethereum interactions. My goal is to allow users to click buttons like "Connect to MetaMask&...
Rodrigo Vila's user avatar
1 vote
1 answer
74 views

Wallets, keys and keystores

I have a very basic question regarding wallets to which I haven't found a clear explanation online. From what I understand, a wallet (in its most basic form) is a piece of software that holds and/or ...
chris's user avatar
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2 votes
1 answer
116 views

Deriving an address from a private key programmatically

I'm stuck between a rock and a hard place right now. I'm developing an app with react native, and users need to be able to import their wallets via their private keys (and hopefully mnemonic phrases) ...
Morgandril's user avatar
0 votes
1 answer
446 views

Stuck Transaction: Receiving USDT from Binance Smart Chain to Coinbase Ethereum Address

I hope you can assist me with a transaction issue I'm currently facing. I received USDT to my Coinbase Ethereum address from Binance Smart Chain, but the transaction is on hold, and I am unable to ...
Tom Cruise's user avatar
0 votes
1 answer
73 views

Not able to install rainbow kit

How to deal with these errors to install and integrate wallets
JIMIT THAKKAR's user avatar
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0 answers
20 views

Why web3j wallet address is different than hardhat network address which receives tokens

I am just playing with web3j and hardhat I use web3j to generate wallet . This wallet has some address - let's call it A When I'm testing and I receive token in hardhat and check with getTransaction ...
Ivaylo Tonev's user avatar
1 vote
1 answer
48 views

Moralis.Auth.verify 400 bad request error

I'm following the moralis tutorial to build an authentication and authorization system with moralis and reactJS https://docs.moralis.io/authentication-api/evm/how-to-authenticate-users-with-metamask-...
Shadq's user avatar
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0 votes
0 answers
21 views

API for web3 projects features (wallets/portfolio)

I`m just curious to ask which API services for web3 projects features (wallets/portfolio) do you guys use ? (including ETH support too, of course )
Ivan Voroshyk's user avatar
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0 answers
13 views

Lost ETH, can't work out what wallet was used to store it

I bought some Ethereum on behalf of my parents in 2017. I think we decided to store the currency on my Ledger Live but on a different address. I have the password for every wallet I've ever created by ...
Declan Kirk's user avatar
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0 answers
87 views

Adding Max Wallet Limit but exclude creator wallet and liquidity pools ERC20 Simple Code

As stated, looking to do a very simple clean ERC-20 contract with basic functionality. Only thing I want to add is a max wallet limit of 2% to avoid sniping bots or whales buying at once. Only issue I ...
Confuzion's user avatar
12 votes
1 answer
2k views

I got scammed or suspect scam on Ethereum. What to do?

This is a general question and answer on ethereum.stackexchange.com to all "I got scammed, please help" posts. This applies to you if you think: You have been scammed You think something ...
Mikko Ohtamaa's user avatar
0 votes
1 answer
82 views

I was invited to a smart contract reward approval, and i lost my all tokens at my trust wallet. Is The web site http:/ephbz.top a trap?

I was invited to a smart contract reward approval, and i lost my all tokens at my trust wallet. Is The web site http:/ephbz.top a trap?
Nihat62's user avatar
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0 answers
17 views

Coinbase ghost transactions - what happened?

I went through the following process with a new wallet, and I lost my funds (not a lot)... I am trying to understand, from the blockchain perspective, what actually happened. This is the wallet in ...
Glenn Ferrie's user avatar
2 votes
1 answer
70 views

What's the best authentication/authorization system for DApp using ReactJS and Metamask

I'm building a DApp with reactJS for the frontend and solidity for the backend. I want to build a solid authentication/authorization system possibly using some libraries but i can't find anything that ...
Shadq's user avatar
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0 votes
1 answer
26 views

I sent tokens to the wrong Ethereum token address from my Trust Wallet?

I intended to send tokens to my Metamask address, but made an error on the token address which turned out to be a legitimate address, so the transaction was successful but it was not my intended ...
Vernon Wilson's user avatar
0 votes
2 answers
72 views

How to check the life of the wallet address?

I want to know if there is a way to check how long ago is the wallet created? like 2 days ago, 6 months ago? Is there a way we can check?
Fariha Abbasi's user avatar
2 votes
1 answer
287 views

Found old seed phrase, but it uses non-standard words

I found, on my PC, a file named "MY ETH BACKUP", dated November 19th 2017. It contains my name followed by "1 ETH". It then goes on to give me a sequence of 12 words, that look ...
hopefulcanuck69's user avatar

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