# What do I need to use the application? - A computer running Google Chrome or Firefox browser - A digital wallet - Ethereum, a digital currency # I already have Google Chrome or Firefox browser? You need to install a wallet to interact with blockchain applications. Currently, we support [MetaMask](https://metamask.io/download.html) wallet. Go ahead and install MetaMask wallet. After a successful installation, you will see a 'fox' like icon at the upper right corner of your browser. Click the 'fox' like icon and follow the instructions to create your asymmetric keys(public key and private key). ![fox image](https://ipfs.io/ipfs/QmdsEtw5NHBMPJ2USPP3r8BCR7aBuyft8LoF2Yrmb4VRWy) You public key looks like `0x7f42226E0aB236Ebc578C642AdF2D0C7CE0A7FbB`. **NB** - KEEP THE PRIVATE KEY TO YOURSELF IN A SECRET PLACE YOU ONLY KNOW OF AND CAN REMEMBER! DO NOT SHARE YOUR PRIVATE KEYS! ONLY SHARE YOUR PUBLIC KEY! # Can I use a smartphone to connect and interact with blockchain application? Yes. MetaMask supports both Android and IOS users. If your are on mobile, you can install MetaMask wallet from Google Play Store or App Store. You can browse and explore awesome blockchain application from the built-in MetaMask browser. # Where can I get Ethereum, a digital currency? Since we are on test network, these instructions will get you some fake ether to play around with blockchain applications deployed on test network. Our smart contracts are deployed on Rinkeby test network. - On you wallet you need to switch to Rinkeby test network in-order to interact with our smart contracts. ![Wallet Networks](https://gateway.pinata.cloud/ipfs/QmPRDijygAJHL1oqFqNLwMehtnjRgRUvjrowTaPeHHY5tj) ![Mobile Wallet](https://ipfs.io/ipfs/QmVoxn8DhrRePuhNFBJYEukjmqnp4t6Vk1EdQrtjTr1Xko) - Proceed to [Faucet](https://www.rinkeby.io/#faucet) to get you some fake ether Congratulation! Go and Explore!