Create your first Dapp With web3, create the contract and implement it on the network. Connect the front end to the smart contract. Consider searching Solana, Polkadot, Near, Avalanche, or Cosmos.
web3bridges the gap between the traditional Internet and the Ethereum blockchain.
You can see all the features that are available in the web3 instance in the official web3 documentation. Most Web3 libraries are asynchronous because, in the background, the library makes JSON RPC calls to the node that returns the result. If you're working in the browser, some wallets directly inject a web3 instance and you should try to use it whenever possible, especially if you plan to interact with the user's Ethereum address to make transactions.