Peter Howson, Northumbria University, Newcastle
The price of bitcoin has reached US$50,000 (£36,095) – another all-time high. It’s hard to believe that 10,000 bitcoin would only buy a couple of pizzas ten years ago. It’s even stranger to think that bitcoins are completely virtual. You can’t hold one, except on a hard drive, and there’s no underlying asset to them. A bitcoin is simply a digital representation of the computer power needed to make one, what’s called its “proof-of-work”.
This isn’t actually a new idea though. Rai stones were one of the first forms of money used on the Micronesian islands of Yap. To get hold of a Rai, you had to row a canoe for 500km or so to Palau and chisel away at some local limestone. Then you needed to take the 3m-wide lump of rock back to Yap without sinking in the Pacific. No one is quite sure when it started, but the practice is at least several centuries old. Yapese money had no inherent value. For everyone to respect the proof-of-work, the ...
Want to see the rest of this article?
Would you like to see the rest of this article and all the other benefits that Issues Online can provide with?
- Useful related articles
- Video and multimedia references
- Statistical information and reference material
- Glossary of terms
- Key Facts and figures
- Related assignments
- Resource material and websites