I love you bro, but if you didnt see this coming its your fault for not understanding the tech properly. This is literally what blockchain is for
A Ledger serves one purpose no matter how public or decentralized, and that is to keep records.
What is the main purpose of keeping records?
To index them for proof and/or to be recalled at a later date.
RE: Amazon Patents Orwellian Tech Allowing Police To Track Bitcoin Transactions