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In this work we study the $E_{\infty}$-ring $\text{THH}(\mathbb{F}_p)$ as agraded spectrum. Following an identification at the level of $E_2$-algebraswith $\mathbb{F}_p[\Omega S^3]$, the group ring of the $E_1$-group $\Omega S^3$over $\mathbb{F}_p$, we show that the grading on $\text{THH}(\mathbb{F}_p)$arises from decomposition on the cyclic bar construction of the pointed monoid$\Omega S^3$. This allows us to use trace methods to compute the algebraic$K$-theory of $\text{THH}(\mathbb{F}_p)$. We also show that as an $E_2$$H\mathbb{F}_p$-ring, $\text{THH}(\mathbb{F}_p)$ is uniquely determined by itshomotopy groups. These results hold in fact for $\text{THH}(k)$, where $k$ isany perfect field of characteristic $p$. Along the way we expand on some of themethods used by Hesselholt-Madsen and later by Speirs to develop certain toolsto study the THH of graded ring spectra and the algebraic $K$-theory of formalDGAs.

Algebraic $K$-theory of $\text{THH}(\mathbb{F}_p)$