Petra Aptos Wallet is a free web application, accessible as a chrome extension that allows users to store and transfer assets, interact with decentralized applications, and view NFTs, all on the Aptos Blockchain. So if you want to use this wallet, then check the below documentation that shows you how to assimilate the wallet into your dApp and enable your user to connect their Petra wallet to the Blockchain of Aptos. Petra is a crypto wallet developed to access the Aptos Blockchain, but users must first satisfy two requirements to install the extension and create a wallet or account.