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
The problem I'm working on is my team wants me to setup my own cluster with an initial supply of 400M sol. I have gone through the genesis module and found some
I was trying out wallet-connect for my nft market place app . i have mostly everything set up from my end . Just that my wallet-connect works perfectly in local
I am working on Hyperledger Fabric for a time being. I want to deploy my Hyperledger to a cloud platform but only public cloud like AWS and Azure are supporting
I am trying to use bitcore-lib to generate bitcoin address and fetch unspent transaction using bitcore-explorer.. to generate the address here is the code: va
I have tried changing different versions of solc, solidity, and chainlink contracts but it doesn't work. Error: contracts/Lottery.sol:4:1: ParserError: Sourc
OpenSea allows users to buy and sell NFTs. From OpenSea, you can view the prices of listed NFTs within a project. When an NFT is listed, is the listed price sto
I am new to block chain. Suddenly I got a question did we can able to access the previous block data from the Ethereum block chain by block number. For example
I setup hyperledger fabric network using amazon managed blockchain by following this guide. Everything works properly in the hyperledger network. Now I want to
I am new to bigchaindb and i have a question. In case a single company wants to store data as asset on bigchaindb and share it with other companies, what advant
I'm learning blockchain development recently and I'm implementing ERC721 contract to mint NFT and store the mapping of ownership. What if I deploy a second cont
I am learning solidity and got to know that interface and abstract are both classes that may contain unused functions. My doubt is: What is the difference betwe
I setup hyperledger fabric in amazon managed blockchain. I can get peer node logs, CA logs, chaincode logs. I do not know how to get orderer logs. That is requi
I am trying to setup hyperledger fabric blockchain network using amazon managed blockchain following this guide. In the step 6, to create the channel I have exe
I write the code below. It seems it has a problem with the "signed_txn = w3.eth.account.sign_transaction(transaction, private_key=private_key" part. I face to t
i couldnt find a way to get the history of transactions a certain Tron address is involved in i tried the tronweb API : https://api.trongrid.io/v1/accounts/TJmm
I am developing an application on Ethereum blockchain. I use Solidity for contract and Nethereum c# library to connect to the contract. I am somehow new in Ethe
I'm new in the blockchain community, and i have to realize a web 3.0 project. In this project, we have an ERC20, and for each user who sign up on our platform,