TIPS are the single best source of inflation protection, but

Unfortunately they are expensive, with 10-year TIPS paying 0.9% below inflation. 

Inflation needs to rise at least that much over the decade just to maintain purchasing power. If inflation fears pick up, TIPS prices are likely to rise as more people buy them. 

WSJ 11 May 2021

https://www.wsj.com/articles/if-inflation-is-coming-here-is-what-to-do-about-it-11620694235

Inflation might be the way out of the debt crisis

For this entire house of cards not to crumble, growth and inflation need to be restored. 

https://englundmacro.blogspot.com/2021/04/inflation-might-be-way-out-of-debt_25.html