Yoroi uses high-quality code that has been thoroughly tested and security audited. Our servers and third-party providers are not allowed to see your private keys. They are encrypted. Yoroi wallet doesn't even use analytics to protect your privacy. Yoroi can be used as a lightweight wallet for Cardano. You don't need to download the blockchain before you can open the wallet. You can send and receive transactions immediately. Software should be simple in structure and have a beautiful interface. Yoroi was carefully designed and built to provide a great user experience.