Nano Opens Doors - Effortlessly and Securely...

Greetings, fellow Home Automation enthusiasts and Nano fans!
Allow me to share a proof-of-concept, where a simple Nano transaction can do something magical.

A simple tap to open a door. Secure, fully on-chain on the nano network.

How does it work ?

For those interested in the technical side, let’s break down the journey from transaction to action:

     +-------------------+
     |   Nano Network    |  1. Nano transaction initiated via App
     +-------------------+
              |
              | (Internet)
              |
              v
     +-------------------+  2. receives transaction via websockets
     |   Local Server    |  3. if conditions are met
     +-------------------+  4. initiate KNX telegram
              |
              | (LAN)
              |
              v
     +-------------------+
     |  KNX/IP Gateway   |  5. KNX telegram passes IP Gateway to KNX Bus
     +-------------------+
              |
              | (KNX Bus)
              |
              v
     +-------------------+
     |   Electric Door   |  6. Electric Door receives KNX telegram
     +-------------------+  7. Door opens

The system is composed of 2 parts :

1. KNX, which is a widely used open standard for building automation.
2. Nano, which is a cryptocurrency known for it's speed and having zero fees.

In this proof of concept, nano transactions are monitored on a local server via websockets. When all conditions are met, a KNX telegram is initiated resulting in the KNX actor to open the door. In code it looks as follows :

async def run(self):
    # Connect to the KNX system that controls our smart home devices
    await self.setup_knx()

    # Set up a connection to listen for Nano cryptocurrency transactions
    self.nano_ws = NanoWebSocket(url=self.nano_ws_url) 

    # (Optional) List of whitelisted Nano accounts we want to monitor for payments
    accounts = ["nano_3rdc..."]
    await self.nano_ws.subscribe_confirmation(accounts)

    # Continuously listen for new confirmed Nano transactions
    async for message in self.nano_ws.receive_messages():            
        # Check if the payment was sent to our door's Nano address
        if self.payment_ok(message):            
            await self.open_door()

In the code above, I used a single whitelisted account. Nano's cryptography ensures no one else can initiate a transactiom from my account. I'm the only one with my private key, I'm the only one that can unlock the door.

Beyond Opening Doors

With just a tap, Nano unlocks more than doors - it unlocks possibilities.

Today, I've unlocked my own front door, but tomorrow? We could open the gates to museums, amusement parks, co-working spaces, and more.

Scan, tap, enter! All within seconds and fully confirmed on-chain.

What makes Nano especially powerful for these applications is its simplicity and accessibility. Unlike traditional payment methods or access control systems, Nano doesn't require any third-party tools or additional costs to receive funds. This opens up a world of possibilities, allowing us to invent previously unimaginable use cases that were bound by the limitations of traditional payment methods.

The future awaits, and with Nano, the possibilities are endless.
I’d love to hear your thoughts!
What doors shall we open next?

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