Can anyone explain for me Sai and Naruto's conversation?

[123fire]

What did sai mean with all the Hashirama cells conversation? Was he referencing Shin Uchiha? And Forbidden Technology?developing a military weapon? Kawaki? Can anyone please explain?

 

[Genocide]

danzos koto was a military weapon and i think the rest was never revealed, i doubt he would know about shin

 

[MomoSaka]

Take a look at Indra's thread....
He made a post about who are/is the villain(s):Sparks:

 

[123fire]

Take a look at Indra's thread....
He made a post about who are/is the villain(s):Sparks:

What thread?

 

[MomoSaka]

What thread?

"Boruto episodes this month"