Here is an idea:
... Privacy on Public sphere could work in such a way that people could choose to become private/anonymous but their interactions with the public can be recorded, and saved on public system. The recorded activities have to be immutable, thoroughly encrypted, and the keys to decrypt them can only be controlled by their owners... or could be decrypted without their owners, mainly by the law enforcement agencies through the laws and public consensus, once their owners have committed serious crime.
Source: https://bitcointalksearch.org/topic/m.55735459
Source: https://bitcointalksearch.org/topic/m.55735459
The formula should be in this order:
*Users list things or body features that uniquely identify them ⏩ *Qualified verifiers are randomly selected on Decentralized Network to verify the features without having any copy of them (on their nodes, servers, etc) ⏩ *Once the features are verified as correct, they are hashed, throughly encrypted & recorded on a Shared/Decentralized Network ⏩ *The keys to decrypt the private data is given to their owners and only their owners alone know the keys & can decrypt the data ⏩ *The owners can now create unlimited anonymous identities from their verified & encrypted private identities
/data, so that the unlimited anonymous identities can always be linked to the known/encrypted identities ⏩ *In cases where the owners commit serious crimes, it should be possible to decrypt the criminals identities or private data through public consensus