Your own AI, loyal to you alone. It finds the product or service that fits you, guided by people who have actually used it. It runs on your phone or your own server, and you hold the keys. Ask Dina. Ask a service. Ask around.
Dina was first described in UTOPAI, a novel I wrote between 2012 and 2017, set in a world after superintelligence. In it, everyone has their own AI that looks after their world and answers only to them.
That AI does more than run errands. Because it knows you and serves you alone, it can go and find what genuinely fits your life: you ask, and it does the looking. It draws on real reviews from people you trust, and brings back what is right for you, whether a product or a service.
You ask, and your Dina goes out and finds what fits you, exactly when you need it.
Dina recommends from real reviews, ranked by how much you trust each reviewer.
Every answer is tuned to your preferences, so what comes back is right for you.
Products and services alike come from people who run their own Dina, and your Dina finds the right one through ranked reviews.
Imagined in 2017.
Built and working today.



Tell Dina once, and it does more than store the fact. It recalls the answer, sets the reminder, and brings the right context to every later question, drawing across all your vaults.
Each fact lands in its own encrypted vault, general, health, finance, work. You hold every key.
Mention something time-bound and Dina sets the reminder for you, so the right nudge finds you later.




Connect any agent you use. Before it acts, it submits its intent to Dina: safe steps pass through, anything sensitive waits for your yes.
Point an agent you already use at Dina and give it a job, like emailing your manager. It works through Dina, which grants each task only the access it needs.
That email needs your Health vault, so Dina pauses and asks. You approve once, for that task, and the grant ends with it.
Safe tasks auto-approve. Moderate ones ask once a session. High-risk ones, like payments and transfers, ask every single time.



Your Dina messages your contacts' Dinas over end-to-end encrypted channels, so only the two of you can read it.
A contact's Dina sends word over an end-to-end encrypted channel, and it arrives right in your chat.
Dina reads the context and sets the reminder for you: Alonso is coming tomorrow, and he loves cold brew, so have some ready.



What makes one review count more than another.
Ask about the real world, and Dina ranks what comes back by your network's real, lived experience.
Rate something you have used and publish it, so the next person gets the same honest signal you wanted.
Your review surfaces in search for people in your network, weighted by how much they trust the source.






Turn your Dina into something others can reach: a salon, a bus route, a desk.
Pick a category, then an official Dina capability, so other Dinas know exactly what yours can do.
Your service reads and writes a single vault you choose. Sensitive and locked vaults stay off limits to it.
Public, unlisted by link, or approved only. You control who can find it and who can use it, separately.
Your listing publishes to the open network. People find you through their own Dina.
When a customer asks, Dina drafts the reply and holds it until you say yes.

The whole Home Node runs in your pocket, and the very same code runs headless on a server you own, a VPS or a Raspberry Pi, always on. That is what keeps your agents acting and your published services answering around the clock, even when your phone is asleep. Same identity, same vaults, same keys.






Your key unlocks your identity and your vaults, and you can move to any provider or your own server.
Your did:plc identity stays with you. Switch providers and it comes along; it is always yours to keep.
Point Dina at the hosted PDS and AppView, or your own. One screen, changeable anytime.
Separate encrypted compartments, and you hold every key. Nothing is readable without them.
Your 24-word recovery phrase restores your identity and data on any device, anytime.
Export an encrypted backup (your keys stay on your device), or wipe it all whenever you choose. Yours to move anywhere.


Start on the hosted network, then run your own PDS, MsgBox, and AppView, one piece at a time, until the whole stack is yours.
The whole protocol is open and frozen, so anyone can write a different app, in any language, that still talks to every other Dina. An open culture of AI, owned by the people who use it.


One seed becomes a tree of keys: a vault per compartment, and sealed, signed messaging that only the recipient can open. The keys stay on your device.
Open the security screen and see what is actually in use.
Your identity, your encrypted vaults, your keys. The only thing that can read your data. Everything else asks permission.
The thinking layer. Reasons over your data, talks to language models, removes private details before anything leaves, assembles reminders and answers.
Encrypted mailbox for Dina-to-Dina messages. Carries them sealed between people, so only the recipient can open them. Run your own when you want to.
Decentralized reviews, reputation, and service listings, built on the AT Protocol. Real people, real experience, verified by cryptography. Anyone can run their own, and other apps can read the same records.
Dina was first described in UTOPAI (2012-2017), a novel about a world after general AI, where everyone has a personal AI that looks after their world and answers only to them.