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A coin in your pocket today could be with someone else tomorrow and with a new person day after.
A GPS technology inside the coin lets you know how far this coin has travelled. May be it would have visited several cities and countries from the time the coin is minted.
Swipe the coin across a scanner
and it displays the distance and route travelled so far by that coin.
what's the use? - it's just for fun!
feels good to know those clink clanking metal pieces in your pocket has reached you after a long journey :)
Halfbakery: Smart Money
Smart Money
A take on a similar idea. [zen_tom, Jul 26 2013]
We're terribly sorry eh...
http://www.cbc.ca/n...0/rfid-defence.html
[2 fries shy of a happy meal, Jul 26 2013]
baked with US dollar bill
http://www.wheresgeorge.com/
[xandram, Jul 26 2013]
Geocoins
http://shop.geocach...able-items/geocoins
[Klaatu, Jul 26 2013]
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Great for burglars looking for your stash. Bad for dragons. - Bilbo |
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But… how? Or is this just WIBNI? |
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Where's George? (dot com) |
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/Great for burglars looking for your stash/ |
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The data stored inside will be something like air miles, which means it's kind of high level info only. The coin should not store exact locations which is not the purpose of the concept |
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linky not work [2fries] BUT There was a movement for tracking dollar bills. I think it was called *where's Gerorge*...I'll look for a link. |
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By looking for large numbers of bills that are no longer
tracked after reaching a certain place it's possible to
find an approximate location of a hoard of money. |
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GPS tech in the coin would probably make it overly
expensive to produce, compared to its face value. |
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Where'sGeorge.com seems to rely on human
effort: people take the time to visit the web site
to record a sighting of a marked bill, but this
model could easily be automated by etching
scannable, unique marks into the coins' surface.
Perhaps a tiny QR code on one face or a simple bar
code around a milled edge. |
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Machines that presently take coins, such as
vending machines, parking meters, etc., could
include readers and report to a central data store
each time a marked coin is detected. |
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Special machines could accept a marked coin and,
as well as reporting its most recent location up to
the central data store, could get details of its
journey for display. |
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Monetising the scheme is as simple as keeping the
scanned coin, or if you're less mercenary,
returning another (of lower denomination) along
with a cheery message... |
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"Your pound coin travelled 2578 miles since being
minted in Llantrisant in 1997. It was sighted in
John O' Groats 2 years and 3 months ago. Here's a
50p that's been around since 2003 but only
travelled 239 miles. Have fun with it!" |
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[link] fixed. Thanks xan. |
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Wonders if there's a market for hafnium coins, ideal for the haf(nium) bakery currency.? |
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