Understanding the human body is a team effort. That's where the Yachtel group comes in.

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This is Scientific American's 60-second science. I'm Christopher in Taliatta.

There are now more than 16 million bitcoins in circulation, with a total market cap of $130 billion.

That's more than the market value of Netflix, price line, or Starbucks. Just going by numbers, Bitcoin is the one coin to rule them all. But if you consider the

spectrum of 600 actively traded crypto coins as a financial ecosystem, well then you can take

an evolutionary approach and ask, which is the fittest of the coins? Or in other words,

every cryptocurrency, so Bitcoin, Ethereum, there are many, are a different species.

Andrea Barunkelli, a network scientist at City University of London.

He and his team used evolutionary models to approximate the real-world behavior of cryptocurrencies.

Each week of currency trading was treated as a new generation of progeny.

Reporting their results in the journal Royal Society

Open Science, they found that a so-called neutral model of evolution best-explained coin behavior,

meaning no coin had a selective advantage, which implies this. Investors choose which cryptocurrencies

to invest in only proportionally to the cryptocurrencies market share and nothing

else. So they are not apparently considering other fundamentals, like for example the underlying

technology or the purpose for which a certain cryptocurrency has been designed for. They are just

sampling each cryptocurrency proportionally to its current market share.

And only when investors begin to value coins for a particular attribute, such as their

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