Sorry, that was a little joke. I don't think anyone should hold more than a small portion of their total assets in cryptocurrencies.
http://www.businessinsider.com/fidelity-retirement-bitcoin-o...
>>"The Bitcoin Investment Trust was previously approved by Fidelity as an eligible investment for accredited clients in their self-directed IRA accounts and investments began closing last week. We understand that Fidelity has decided to reevaluate this decision."