Civil resistance
Proof of Personhood (PoP) is a Sybil resistance algorithm in Idena. Personally, I believe it can enhance security measures such as KYC and be used for oracles. RNG stands for Random Number Generator. Other related concepts include Randao and VDF.
According to shogochiai on Twitter(https://twitter.com/shogochiai/status/1360188545902682114?ref_src=twsrc%5Etfw) on February 12, 2021, PoP provides resistance against Civil Attacks.