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1. en.wikipedia.org › wiki › Rai_stonesRai stones - Wikipedia

   en.wikipedia.org › wiki › Rai_stones

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   The largest extant stone is located on Rumung island, near the Riy village; it is 3.6 metres (12 ft) in diameter and 50 centimetres (20 in) thick, and weighs 4,000 kilograms (8,800 lb). [3] [4] Rai stones were quarried on several of the Micronesian islands, mainly Palau, [5] but briefly on Guam as well.

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3. www.bbc.com › travel › articleThe tiny island with human-sized money - BBC

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   May 3, 2018 · Hundreds of large stone discs can be found across the Micronesian island of Yap (Credit: Robert Michael Poole) ... The coins are valued by their size – they range from 7cm to 3.6m in diameter ...

4. www.sciencealert.com › the-original-bitcoin-stillThe "Original Bitcoin" Was This Giant Stone Money on a Tiny ...

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   Jun 12, 2019 · "They are one of the world's most intriguing coins," says archaeologist Scott Fitzpatrick the University of Oregon. "Carved from limestone quarries located in the Palau islands some 250 miles (400 km) from Yap, they're the largest objects ever moved over the open Pacific Ocean during the pre-European contact era."

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6. www.npr.org › sections › moneyThe Island Of Stone Money : Planet Money : NPR

   www.npr.org › sections › money

   Dec 10, 2010 · On the island of Yap, people used giant stone coins that weighed thousands of pounds. The island's story helps answer a fundamental economic question: What is money?

7. www.sciencenews.org › article › yap-stone-money-How an ancient stone money system works like cryptocurrency

   www.sciencenews.org › article › yap-stone-money-

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   Jul 29, 2018 · At least several hundred years ago, islanders on Yap in western Micronesia used principles at the heart of cryptocurrencies to conduct business, says archaeologist Scott Fitzpatrick of the ...

8. www.thevintagenews.com › 2017/12/28 › rai-stonesThe Rai Stones are huge stone wheels used as currency on the ...

   www.thevintagenews.com › 2017/12/28 › rai-stones

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   Dec 28, 2017 · A large Rai Stone in the village of Gachpar. Author: Eric Guinther – CC BY-SA 3.0. Rai Stones came in different sizes. The smallest ones were just 7-8 centimeters, while the largest ones were up to 3.6 meters in diameter and 0.5 meters thick. These huge stone wheels weighed up to four metric tons.

9. www.odditycentral.com › travel › this-tiny-islandThis Tiny Island Has the World's Largest and Heaviest Currency

   www.odditycentral.com › travel › this-tiny-island

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   May 9, 2018 · There are an estimated 13,000 stone discs in circulation on Yap, ranging from 30 centimetres to 3.50 meters in diameter, with the largest ones being considered the most valuable.