Swarm City supposedly ensures the reputation and offers payment in US Dollars, Bitcoin (BTC), Euros, or Ethereum (ETH). However, it does not look as if Swarm City will create an economy of scale with its technology.
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An inherent advantage is that it involves no human experts. Instead, Mr. Market himself picks the cryptocurrencies. Another inherent advantage is that it pays no high fees to the experts because there are no “experts.”
Therefore, Blackmoon’s index funds are trustless investing. Trustless mechanisms eliminate the need to trust a human expert or gatekeeper by relying on simple automatic actions.