What is cryptocurrency index investing?
Cryptocurrency index investing is putting your money into many digital assets and then regularly balancing them so as to track an “index”. This is called “passive investing” because you don't have to actively decide where to put your money.
“The index fund is a sensible, serviceable method for obtaining the market's rate of return with absolutely no effort and minimal expense. Index funds eliminate the risks of individual stocks, market sectors and manager selection, leaving only stock market risk.”
John Bogle – the inventor of the index fund