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Author Topic: Bitcoin Vending Machine video - awesome!!!  (Read 2957 times)
HostFat
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January 08, 2012, 03:11:20 PM
 #21

I asked this on bitcoin-wallet, have you got a better idea?
http://code.google.com/p/bitcoin-wallet/issues/detail?id=72

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There are several different types of Bitcoin clients. Server-assisted clients like blockchain.info rely on centralized servers to do their network verification for them. Although the server can't steal the client's bitcoins directly, it can easily execute double-spending-style attacks against the client.
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Mike Hearn
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January 08, 2012, 05:30:35 PM
 #22

Having a qrcode per product is a great idea, except that it might be a bit too easy to accidentally scan the wrong one by accident.

I think the way described by Andreas makes sense: http://code.google.com/p/bitcoin-wallet/issues/detail?id=72

Push button, scan code, pay. Done.

Alternatively, an NFC tag per product could also work, for vending machines like drinks where you can't see the product but rather see promotional images on the front. Touch phone to product, press confirm, pick up product.

There are all kinds of things that can be done here.
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January 08, 2012, 08:04:39 PM
 #23

on the subject of QR codes, you could just print a separate code above each item in the vending machine, then all a customer has to do is scan the code and push 'confirm' and the machine will vend whenever it receives a payment on the particular account.

Of course this means if you ever change prices you need to re-print codes with the correct payment value on it, but it does mean that no codes need to be entered into the machine at all.

I love that idea!  Point your camera at the product, confirm payment, and you're done.

RE: changing prices:  I wonder if you could make little QR-code-capable LCD or e-ink displays cheap enough to put 20 of them in a vending machine.

[...]

you can direct the code to a website that auto redirects to a bitcoin uri

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January 08, 2012, 09:33:25 PM
 #24

Since the machine is obviously connected to the net, you could potentially be ordering and paying on your way to the machine. Just as you step up, the item is right inside that awesome door.

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January 09, 2012, 03:54:45 AM
 #25

on the subject of QR codes, you could just print a separate code above each item in the vending machine, then all a customer has to do is scan the code and push 'confirm' and the machine will vend whenever it receives a payment on the particular account.

Of course this means if you ever change prices you need to re-print codes with the correct payment value on it, but it does mean that no codes need to be entered into the machine at all.

I love that idea!  Point your camera at the product, confirm payment, and you're done.

Something like this has been done and very smart as well:

http://www.youtube.com/watch?v=o9zcs1dg8qo

Bitcoin integration should be a breeze.
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January 09, 2012, 03:59:17 AM
 #26

Since the machine is obviously connected to the net, you could potentially be ordering and paying on your way to the machine. Just as you step up, the item is right inside that awesome door.

Or pre-order and reserve your item using your 'vendingmachine app' online or on your mobile, lock the buy with a one time pincode you decide on, pick it up when you want by entering that same pincode at the vending machine.
TTBit
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January 09, 2012, 04:16:31 AM
 #27

Since the machine is obviously connected to the net, you could potentially be ordering and paying on your way to the machine. Just as you step up, the item is right inside that awesome door.

Or pre-order and reserve your item using your 'vendingmachine app' online or on your mobile, lock the buy with a one time pincode you decide on, pick it up when you want by entering that same pincode at the vending machine.

When phone is in bluetooth range, release snack.

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