OpenPGP is a proven standard for storing encrypted data, and for managing encryption keys. OpenPGP was standardized in 1997, and is widely supported.
OpenPGP is the most widely used method to encrypt mails. It is supported by most mail programs either natively, or using a plugin.
OpenPGP can be used to protect data at rest, say backups or passwords. With OpenPGP you can be confident that you can still read your data after decades.
Sequoia is a modern modular OpenPGP implementation. You can use what you want, we do not enforce any workflow or policy.
Sequoia helps you to manage the keys of your contacts. Our keystore stores keys and updates them so that new keys or revocations are discovered in a timely manner.
Sequoia helps you to protect the privacy of your users. Sequoia is easy to incorporate into your application, no matter what language you use.