After a smaller 401(k) provider announced they are letting clients hold up to 5% of retirement savings in crypto, the Fidelity Investment behemoth one-upped the offer by allowing pension plan subscribers to save up to 20% of their nest egg in bitcoins. The move prompted a backlash from the Labor Department which advises against placing Americans' retirement savings at unnecessary risk.
https://www.notebookcheck.net/Labor-Department-says-crypto-puts-Americans-retirement-savings-at-risk-as-Fidelity-lets-Bitcoin-in-401-k-pension-plans.616279.0.html