Hi,
I am looking for people interested in joining an open-source project based on Ruuvi and blockchain (likely IOTA) technologies. Please contact me over Slack if you are interested (user: felipe). For the time being I have done a mock up version of this project using a Raspberry Pi and Javascript Bluetooth libraries. I will create a GitHub repo anytime soon and add that example.
Thanks in advance!
Kind regards
Felipe
Proof of Visit goals and description
The goal is to design and build a system to provide a proof that one or several machines (e.g. a user smartphone) has been physically close to a certification device (e,g. a ruuvi tag), recording the information in a blockchain.
This is a very general concept which could be applied in many domains, some of which are:
- prove that two or more parties were together when signing a contract,
- prove that a guardian does a tour of a secured building every night,
- prove that the person providing medical care to a relative did actually visit him or her every day,
- create a rewarding mechanism, e.g. in form of local cryptocurrency, for people visiting your tourist destination, be it a town, a tourist office, or a monument,
- ensure that digital reputation of a place -e.g. a rating on a hotel- is only given by users which have physically being in the place itself in order to avoid fake reviews or comments
disclaimer: Tourism and Hospitality is our use case, visit http://sismotur.com for our background
Simple example of how the system would work:
1- the signing device, e.g. a Ruuvi tag, broadcasts a bluetooth signal to show it’s open to a connection
2- the user opens a dedicated app and launches the signing process by clicking on a button (with a nice UI/UX etc)
3a- the Ruuvi gives a random string to the smartphone, and gives some seconds to the smartphone to sign it
3b- the smartphone takes the random string, signs it with its private key, and gives the bundle back to the Ruuvi tag
3c- the Ruuvi adds a timestamp, wraps the whole message with its own signature, and sends it back to the smartphone
3d- the smartphone sends the whole message as a transaction block to IOTA and
3e- the user gets a final confirmation that the Proof of Visit transaction went OK
Step 3 is automated
Disclaimer: I am not a security expert
