I have been written a smart contract, I am trying to execute the following code but I have these problems: 1- "Gas requirement of function EKM.register_PK is in
When I run the command yarn build:release i get the error "command not found: asb" enter image description here
I'm trying to develop DApp on polygon blockchain. Basically I'm minting NFT but after few mints I get this error. It even happens when I don't mint NFT. Here is
I am asking this question so that I want to easily know how many transactions occurred at a particular Bitcoin price. For example, at the price of $20T per BTC,
I built a test solidity pure function to display a greeting message. It only returns a string "Hello User". Here is the contract code: //SPDX-License-Identifie
I want to connect a Solana wallet (phantom or any other) to a web aplication through the js web3 library. I've read docs for most wallets and it seems like it's
I want to automate my staking on The Sandbox. For that I need in the first step to interact with the mSand-Matic Pool Contract. It is this one: https://polygons
I deployed an ERC20/BEP20 token on binance smart chain using truffle and openzepplin. Now I want to verify this smart contract but I have some issues. $ truffle
I wonder if anyone has successfully requested ether on https://faucet.rinkeby.io/? I followed the instruction and it kept saying Faucet offline. Any workaround
I've been looking for a way to download all transaction from a specific contract since their start up until now. It's around 25k transactions as of today. I've
Is it actually possible to call a smart contract function using WalletConnect? There is a documentation on official website that explains how to establish conne
I have a security problem in my Solidity contracts and I can't figure out how to fix it. The flow goes like this: First, we create an instance of contract A; Cr
I am going to work on a project in which we want to build a bitcoin wallet, like for example mycelium, coinbase etc, but I have no knowledge of which apis we sh
use anchor_lang::prelude::*; declare_id!("Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS"); #[program] pub mod myepicproject { use super::*; pub fn start_st
I am not able to get transaction id from AWS managed blockchain using chaincode's stub.getState(key) method. Please suggest..
I am very new to blockchain programming and programming in general. I want to generate my SOL address using the mnemonic seed phrase with the derivation path "m
I am new to truffle and I work on blockchain project so when I "migrate" in truffle develop, this error occurs. Why ? I change the version of my compiler by 4.2
I want to build an NFT that I can paid with an ERC-20 token to mint it. I'm using currently the Mumbai testnet on polygon, and I'm using the Dummy ERC20 token t
I am very new to web3 etc but as far as I know, every account is represented by a public/private key. The public key can be accessed anytime and the private key
I'm trying to learn how to create NFTs on the Ethereum block chain. In terminal (Ubuntu 20.04.3 LTS) Aki-Zeta:~/my-nft$ node scripts/mint-nft.js I keep getting