If you prefer tangible diversification, a gold IRA allows investment in gold bullion or coins with purity necessities

https://cashkhyl438.cloudhinter.com/posts/understanding-a-physical-gold-ira-rollover-a-practical-academic-information

If you decide tangible diversification, a gold IRA allows funding in gold bullion or dollars with purity standards, controlled by means of a compliant custodian.