AKA Profiles is a Nostr signing extension that supports multiple public/private key pairs. It is designed for advanced Nostr users who want to keep their private keys safe and have more control over which public key to share for each app request. With AKA Profiles, you no longer need to share your private key with web apps, as local signing replaces the need for it.

One of the key features of AKA Profiles is the ability to choose which public key to share for each app request. This gives you more control and enhances your privacy. Additionally, each key pair has its own app permissions and preferred relays, ensuring a personalized experience.

The extension also supports NIP-04 encryption/decryption and NIP-26 delegated event signing requests. This makes it versatile and compatible with various Nostr applications.

Overall, AKA Profiles is a valuable tool for advanced Nostr users who want to enhance their privacy, keep their private keys safe, and have more control over their key pairs. It simplifies the process of signing events for web apps and reduces the need for copying and pasting keys into different applications.