Mainly I want to play with Android-Things+Ethereum. But I like to do this on useful projects. With a Smart-Contract defined Lockbox you can do great things in my eyes:
- A locker (If someone sends a certain amount to the locker he can lock the box for a certain time - defined by the amount)
- A vending-machine like thing. You can place something in the locker and allow somebody else to open the locker if he sends a defined amount funds to the account you define (e.g. your own)
- Mailbox like thing - you can place something in the box to be collected by someone else. E.g. you will not see the person but you know you both pass the box in a certain time (e.g. when the box is in a public space like a hackerspace)
- Act as a building block for the USN (Universal Sharing Netowork - see e.g. slock.it)
- the options are endless ..-)
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