Cryptocurrency offers an exciting new investment opportunity for those willing to tap into their retirement funds.

The size, versatility, and rapid growth of cryptocurrency make the market attractive for investment by retirement-account holders. In his latest book, self-directed retirement-plan guru Adam Bergman, Esq., explains how easily self-directed IRA and Solo 401(k) plans can be used to invest in such cryptocurrencies as Bitcoin, Ethereum, Litecoin, and more without tax.