Decentralized applications (Ðapps) - your small step into the world of Blockchain technologies.
SefeEther is a Ðapp for keeping your personal data in the Ethereum blockchain. Now you can link your email with the address of your ETH wallet and save it into the blockchain. As such, email address will be a unique identifier for your data in the Ethereum blockchain. For now you can save only the address of your wallet but soon you will be able to store in the blockchain any other data.