What is the meaning of Revelation 2:23?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

Then I will strike her children dead, and all the churches will know that I am the One who searches minds and hearts, and I will repay each of you according to your deeds.

Berean Standard Bible (BSB)

I will kill her children with Death, and all the assemblies will know that I am he who searches the minds and hearts. I will give to each one of you according to your deeds.

World English Bible (WEB)

And{G2532} I will kill{G615}{(G5692)} her{G846} children{G5043} with{G1722} death{G2288}; and{G2532} all{G3956} the churches{G1577} shall know{G1097}{(G5695)} that{G3754} I{G1473} am{G1510}{(G5748)} he which{G3588} searcheth{G2045}{(G5723)} the reins{G3510} and{G2532} hearts{G2588}: and{G2532} I will give{G1325}{(G5692)} unto every one{G1538} of you{G5213} according to{G2596} your{G5216} works{G2041}.

Strong's King James

(23) I will kill her children with a death and every assembly-church will know that I AM, The One who examines the kidneys (inner-man) and hearts and I will give to everyone according to your works.

The F.O.G*

[23] I will strike her children dead. Then all the communities will know that I am the One who searches minds and hearts, and I will repay each of you according to your deeds.

The F.O.G Paraphrase

and her children I will kill in death, and know shall all the assemblies that I am he who is searching reins and hearts; and I will give to you—to each—according to your works.

Young's Literal Translation