Recent ZK Knowledge podcast recently discussed a lot of this, how you can determine IP addresses inside blockchain transactions, and DDoS, and Chainanalysis usa

Recent ZK Knowledge podcast recently discussed a lot of this, how you can determine IP addresses inside blockchain transactions, and DDoS, and Chainanalysis usage of IP for KYC. https://zeroknowledge.fm/246-2/ https://zeroknowledge.fm/246-2/ I'm not clear if the conversation concluded with zk is impervious, or whether it is an active question of research.