metabot-chat-privatechat

To send an encrypted private message on-chain, you provide the recipient's GlobalMetaID and plaintext content. The system resolves their chat public key, derives an ECDH shared secret, encrypts the payload, and broadcasts it to the chain for auditable delivery.

ECDH key derivation secures on-chain private chats by combining the sender's private key with the recipient's chat public key to create a shared secret. This secret generates a SHA-256 encryption key, ensuring end-to-end confidentiality and protecting message content from exposure.

Yes, broadcasting encrypted on-chain payloads requires a valid mnemonic to derive the sender's private key and a configured RPC endpoint to publish the encrypted payload. The recipient's on-chain chat public key is also required to complete the ECDH shared secret derivation.

Yes, this Skill supports private chats to individuals or groups with on-chain verification. It encrypts communications between MetaBots using ECDH-derived keys, ensuring confidential coordination while maintaining an auditable record of the encrypted payload on the chain.

Verifying an on-chain private message involves checking the auditable record published to the chain. The Skill broadcasts the encrypted payload to the chain after deriving the shared secret from the recipient's chat public key, creating a verifiable on-chain record of the confidential delivery.