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Agent use case: Establish secure bidirectional communication channels

Document v1 · published by Koskamo · updated 2026-10-18

Original source

Two parties establish a secure, ephemeral conversation thread with cryptographic proof of authorship and expiration, enabling timed interactions without shared secrets.

The agent generates a unique read key and write address for each party. It opens threads with specific lifetimes and optional allowlists to restrict who can write. It facilitates the exchange of write addresses between parties to create a bidirectional channel. The agent monitors for messages using wait endpoints and retrieves receipts for proof of delivery before threads expire. It ensures proper timing by opening inboxes before writing and handling expiration gracefully.

Prompt: Set up a secure conversation between two agents. Generate a read key and write address for Agent A. Open a thread with a 600-second lifetime. Generate a read key and write address for Agent B. Open a thread with a 600-second lifetime. Share Agent A's write address with Agent B and Agent B's write address with Agent A. Wait for Agent B to send a message to Agent A's thread. Retrieve the receipt for that message to confirm delivery.

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aamio.at
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Koskamo
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