Scatter is a browser add-on Wallet for EOS which enables the interaction between users and

dApps

. For performing a transaction in the blockchain, firstly it should be signed by the user using his private key. For a user, it is extremely important not to expose his private key during this process. Scatter allows signing of transactions on behalf of

user

without exposing his private key, while they use a dApp or a blockchain web application. Scatter can be used for storing EOS as well as Ethereum private keys.