When I first read the story I thought it was an exchange for actualgoods, like bed pans and surgical kits, a circa-1999 idea like the old Commerce One or VerticalNet.
Can you name a person who ended up poor and unhappy because they devoted too many resources to the voluntary production of public goods of actual value to the rest of society?
For years big technology companies that employed thousands of people, made and sold real products, and once in a while even exported actual American-made goods, had to accept being the fat targets of patent trolls.
The ideal would be to find an annuity that varies with the actual inflation rate, because the basket of goods that a retiree will consume is going to be different than the basket of goods a young person will consume .