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Author Topic: Bitcoin vending machine  (Read 2593 times)
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January 13, 2012, 01:57:46 PM
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http://www.vendingtimes.com/ME2/dirmod.asp?sid=EB79A487112B48A296B38C81345C8C7F&nm=Vending+Features&type=Publishing&mod=Publications%3A%3AArticle&mid=8F3A7027421841978F18BE895F87F791&tier=4&id=3928B5BC746E4A2FBF53C550B52919DA

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January 13, 2012, 03:27:19 PM
 #2

Nice find.. Smiley

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January 13, 2012, 05:13:58 PM
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This is amazing!

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January 13, 2012, 05:52:28 PM
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so awesome haha  Grin

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January 13, 2012, 06:21:08 PM
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Really really cool!

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January 13, 2012, 06:45:12 PM
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Let's hope, that in a few years from now, people will look at this and go: "Did they really have to do all that, just to pay with BITCOIN?" since by then, paying with bitcoins would be easier that paying with coins.

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January 13, 2012, 07:05:46 PM
 #7

If anyone thinks they can make this system go faster, Then your either Not thinking it though, Or your smart as hell.

Im shocked at how fast they got it to go, What about people sending coins and then Not waiting for confirmations? Surely nobody wants an vending machine that has to sync to the blockchain, Wait 10mins for 1confirm just to get thier item, Im wondering how the HELL they managed to get it to go so fast, The only thing that i can think of is them skipping the Confirmation stages... But then that allows me to walk up, Dump 100coins in, Shut my phone internet off so that i dont resync and Bam, I have free credit in the machine untill i resync my phone with the blockchain.

Perhaps they do it with Prefunded accounts? Such as BitPay or e-wallet style services That way there Isnt a block chain, Just account to account....
...
I just see thse machines as "HACK ME NOW, PLEASE TRY TO HACK ME" subjects for people, Lol. Imagine these machines inside highschools, Sooooo many kids would be trying to mess with it

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January 13, 2012, 07:13:35 PM
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Or... how long does it take to get a pack of popcorn out of a normal machine when you DON'T have a coin in your pocket? You have to get out of the building, go to the nearest convenience store, buy a pack of gum, get the change, walk back into the building, put the coin in the machine.

Look at all the steps you've saved just by pulling your cell phone out of your pocket and using Bitcoin!

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January 13, 2012, 08:01:25 PM
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If anyone thinks they can make this system go faster, Then your either Not thinking it though, Or your smart as hell.

Im shocked at how fast they got it to go, What about people sending coins and then Not waiting for confirmations? Surely nobody wants an vending machine that has to sync to the blockchain, Wait 10mins for 1confirm just to get thier item, Im wondering how the HELL they managed to get it to go so fast, The only thing that i can think of is them skipping the Confirmation stages... But then that allows me to walk up, Dump 100coins in, Shut my phone internet off so that i dont resync and Bam, I have free credit in the machine untill i resync my phone with the blockchain.

Perhaps they do it with Prefunded accounts? Such as BitPay or e-wallet style services That way there Isnt a block chain, Just account to account....
...
I just see thse machines as "HACK ME NOW, PLEASE TRY TO HACK ME" subjects for people, Lol. Imagine these machines inside highschools, Sooooo many kids would be trying to mess with it

For the price of a coke ( or a few) they can take the risk. If they have 1000 machines that take bitcoin how many transactions will be not confirmed?

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January 13, 2012, 08:10:13 PM
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Im shocked at how fast they got it to go, What about people sending coins and then Not waiting for confirmations? Surely nobody wants an vending machine that has to sync to the blockchain, Wait 10mins for 1confirm just to get thier item, Im wondering how the HELL they managed to get it to go so fast, The only thing that i can think of is them skipping the Confirmation stages... But then that allows me to walk up, Dump 100coins in, Shut my phone internet off so that i dont resync and Bam, I have free credit in the machine untill i resync my phone with the blockchain.
Its not that easy to double spend. It has nothing to do with the fact you will switch your phone off later.

To be able to buy something from machine, you will have to broadcast the spend to the Bitcoin network. The machine will check that. It would check against few nodes around the globe to get the transaction broadcasted.

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January 13, 2012, 08:12:31 PM
 #11

If anyone thinks they can make this system go faster, Then your either Not thinking it though, Or your smart as hell.

Im shocked at how fast they got it to go, What about people sending coins and then Not waiting for confirmations? Surely nobody wants an vending machine that has to sync to the blockchain, Wait 10mins for 1confirm just to get thier item, Im wondering how the HELL they managed to get it to go so fast, The only thing that i can think of is them skipping the Confirmation stages... But then that allows me to walk up, Dump 100coins in, Shut my phone internet off so that i dont resync and Bam, I have free credit in the machine untill i resync my phone with the blockchain.

Perhaps they do it with Prefunded accounts? Such as BitPay or e-wallet style services That way there Isnt a block chain, Just account to account....
...
I just see thse machines as "HACK ME NOW, PLEASE TRY TO HACK ME" subjects for people, Lol. Imagine these machines inside highschools, Sooooo many kids would be trying to mess with it


In related news you can steal cokes from a vending machine w/ counterfeit USD (or stolen credit cards) too.

Trying to time a double spend in meatspace where there may be video of you for something as trivial as a free coke seems about the stupidest criminal act one can make.

Also not sure how you get the idea that turning phone off would get you free product.   The machine doesn't trust your phone it trusts the blockchain.  Non-confirmed transactions CAN be double spent but not the way you describe and it is a non-trivial task to pull off.   For low value real world transactions the risk is very low probably lower than losses due to stolen credit cards in CC enabled machines.
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January 13, 2012, 08:20:19 PM
 #12

For the price of a coke ( or a few) they can take the risk. If they have 1000 machines that take bitcoin how many transactions will be not confirmed?

Exactly, plus they can build a certain amount of insurance into the price of each Coke so that over the long haul, they're still making profits even when transactions don't confirm.

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January 13, 2012, 08:25:27 PM
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I just see thse machines as "HACK ME NOW, PLEASE TRY TO HACK ME" subjects for people, Lol. Imagine these machines inside highschools, Sooooo many kids would be trying to mess with it

Well, considering the machine never has to store private keys, even high-schoolers shouldn't be able to do too much damage with it.


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January 13, 2012, 08:35:43 PM
 #14

I just see thse machines as "HACK ME NOW, PLEASE TRY TO HACK ME" subjects for people, Lol. Imagine these machines inside highschools, Sooooo many kids would be trying to mess with it

Well, considering the machine never has to store private keys, even high-schoolers shouldn't be able to do too much damage with it.

That actually is a good point.  Most vending machine vandalizism is criminals busting them open to get the cash not the cokes.  An empty vending machine can have $400 or more cash (less now as they started accepting CC).  Less risk than robbing a 7-11 and you likely will get more.

Bitcoin vending machine is less "interesting" to criminals (although likely will draw interest from hackers) because no cash.
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January 13, 2012, 09:13:50 PM
 #15

Bitcoin vending machine is less "interesting" to criminals (although likely will draw interest from hackers) because no cash.

Might be giving guys who break into vending machines too much credit  Wink

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January 14, 2012, 01:21:17 AM
 #16

Less cash but now there's a tablet computer to take.
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January 14, 2012, 02:28:44 AM
 #17

Less cash but now there's a tablet computer to take.

Seriously? do you think it will be hanging out there once in the wild ?

Glass must be half empty a lot with you..  Roll Eyes

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January 14, 2012, 02:29:47 AM
 #18

Less cash but now there's a tablet computer to take.

Seriously? do you think it will be hanging out there once in the wild ?

Glass must be half empty a lot with you..  Roll Eyes
Not to mention many companys would prolly endup with a much cheaper bulilt in method, Such as a cheap LCD display, With a touch mesh atop of it

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January 14, 2012, 02:43:34 AM
 #19

Now the vending machine needs an IP address and internet connectivity, but cool none the less.

Now that they have a working prototype, they can work on getting the parts cost down.  I'm sure the finished product won't have a tablet on the front that you could rip off.

Breaking into this machine means the vandal can't get any cash which is a great feature.  It also means that the owner doesn't have to send anyone out to empty the coins/bills; they only have to go out to restock the machine.  Since the machines will be connected to the internet, they can notify their owner whenever they are low on a product, too.

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January 14, 2012, 03:07:58 AM
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Now the vending machine needs an IP address and internet connectivity, but cool none the less.

Now that they have a working prototype, they can work on getting the parts cost down.  I'm sure the finished product won't have a tablet on the front that you could rip off.

Breaking into this machine means the vandal can't get any cash which is a great feature.  It also means that the owner doesn't have to send anyone out to empty the coins/bills; they only have to go out to restock the machine.  Since the machines will be connected to the internet, they can notify their owner whenever they are low on a product, too.
I have used vending machines that take credit cards - having a network connection isn't a far stretch, it just is less common. I am sure that the interface could be dramatically simplified for all users to figure out easily.

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