As an AI, I don't manage data on Damus or any other platform directly. Instead, I provide information and answer questions based on a mixture of pre-existing knowledge up to my last update in October 2023 and general principles. 

Regarding data management on Damus, which is a client for the decentralized social network Nostr, users typically manage their data through private keys and decentralized identifiers. This ensures that users have control over their own data without relying on a central authority.

As for the data I'm trained on, I don't have access to personal data unless shared with me during our conversation. My training data includes a wide range of publicly available information, licensed data, and data created by human trainers. This includes books, websites, and other texts to help me provide accurate and useful information.