I am trying to set up a Hyperledger Fabric Network with Hyperledger Explorer. I spin up a VM on the digital ocean cloud with ubuntu OS. From there, I spin up 3
As per the Corda coding guidelines, I have seperated out modules into contracts and workflows-common. There are workflows modules like workflows-party1, workflo
RocksDb: Multiple values per key (c++) what i am trying to do I am trying to adapt my simple blockchain implementation to save the blockchain to the hard drive
In Solana you can get your own balance with the CLI $ spl-token accounts But how do I get the token balance of a foreign account if I have the account ID or hi
I'm using node version 12.20.2 and npm version 6.14.11 and installed truffle with cmd as administrator, the truffle framework version 5.5.12 has been installed
I have installed cardano-wallet using this documentation. Everything is OK, Just I don't know how to run it so I can have interaction with it via node js: const
On doing minifab up command can we specify the chaincode installed default (simple) to our own chaincode , by changing the configurations in the spec.yaml ???
I am looking to grab historical data from our Solana Devnet feeds. Can you let me know if get_submissions is the function that should be called for historical d
I get this error where I run anchor deploy: Deploying workspace: http://127.0.0.1:8899 Upgrade authority: /home/<user>/.config/solana/id.json Deploying pr
Getting this error while trying to run a eth-brownie script on MacOS ModuleNotFoundError: No module named 'Users.xyz' Run command: brownie run scripts/mainne
I have beginner skills as Full stack Developer and am looking to help developing a crypto wallet with a small start up. The idea is to create a wallet that will
I am a newbie in smart contract development. I just create a smart contract for some analyze how it works, so I used the truffle suite with vs code to create a
I am trying to compile the bellow contract and i am getting the error. If i remove the mapping i dont get an error: Compiling using default compiler, solidity v
pragma solidity ^0.8.4; import "hardhat/console.sol"; contract Ewitter{ struct User{ address wallet; string name; string username;
I need to deploy my smart contract to BSC Testnet I always got this : Error: PollingBlockTracker - encountered an error while attempting to update latest block:
I'm building a decentralized application where users can connect their cryptocurrency wallet (Metamask) to my website. They can initiate a connection request by
I am having trouble connecting the coinbase wallet in my application and I was wondering if you could help me with this. My issue is that I am using the web3-re
I'm writig a dApp using web3Modal and web3js libraries. I have an issue regarding the WalletConnect provider. Upon choosing to connect using WalletConnect, the
I wonder if it is possible to see "Output Data" on Etherscan for non-view transactions that returned values, I mean it is possible to see "Input Data" when fetc
I got an error while deploying contract in Binance Smart Chain plz help me if anybody knows it error message looks like this Deploying 'WhitePaperInterestRat