Take look at Argentina's market. You can get 20% of return on yearly bonds in dollars. Yes, its a bubble but its more mature than any kids ICO
Argentina has basically turned defaulting into a sport [1].
[1] https://en.m.wikipedia.org/wiki/Argentine_debt_restructuring
Anyone lending money to Argentina does so knowing their money is 50% not coming back.
There is no free money in finance.
There can be free money in the sense that a strategy can beat the market at a similar or lower level of risk. The "cost" for this is in personnel and infrastructure capital.
They have a big sailing ship and an (obviously unpleasant) guy in New York got it impounded in West-Africa a few years back (purely from a sailor's perspective).