I am generating keypair from memnomic phrase for my crypto app, and anytime i try to generate the address and private key, the whole app start to lag ...

I'm trying to integrate a smart contract into my flutter and I'm referring to this example. I have included all the dependencies and dev_dependencies ...

I was trying to listen an event from bsc chain testnet Contract address : 0x99ab1685b4227087ec776fdf75947537f2a150e1 Event : AuctionStart i have cr ...

I used web3dart with flutter with Ganache and Truffle to run my Solidity contract, the contract is being read fine by my Flutter app but when I run fu ...

I'm currently working a dapp with flutter and use wallet_connect_dart to connect to metamask and make transaction. But i can only send ETH, i want to ...

How can you get a mnemonic phrase wallet key (12 words login key) from a private key? actually I Will create a mobile app in flutter and a web app in ...

I have tired to months to inject window.ethereum in flutter webview but to no avail, i found out i can only inject javascript on page load end, but on ...

I'm trying to estimate the gas fee for the ERC20 token transaction - in this case transferring DAI from one address to another (on Mumbai). The code ...

I'm using the module Web3dart for a mobile flutter application to interact with the ethereum blockchain. However i want to get the private key from a ...

I want to understand for myself how to generate USDT ERC20 wallet in dart language. I found the web3dart library. But what does it take to generate a ...

I want to add feature in my mobile app to send ether from one address to another address and for this I need to integrate metamask with my flutter mob ...

how to convert bip39 mnemonic seed phrase into private key without any libraries like web3 or ethers.js basically I'm trying to replicate my metamasks ...

I use web3dart and when I send a transaction I get such error: error: {code: -32000, message: invalid sender}}; I changed the chainId, but it d ...