Circles

**Circles**: A protocol for managing contact information and connections between peers. It enables secure sharing of up-to-date contact details, allowing individuals to control their personal information. The protocol also includes features such as:* Updatable circles (groups) that can be changed at any time* Encryption with an expiry date to prevent data leakage in case a device is compromised* Support for multiple devices and relay servers for efficient updatesThe text also explores potential future uses of the Circles protocol, including sharing updates or stories, prioritizing communication channels, and creating temporary group circles. The initiative aims to develop this idea further with community help.