Things like proving sufficient income to apartments without giving them my paycheck info, better privacy in credit reporting, more privacy-conscious advertising

Things like proving sufficient income to apartments without giving them my paycheck info, better privacy in credit reporting, more privacy-conscious advertising. I worked with the Brave team to sketch out how the latter could be done in their system. It's 1 of 10 proposals and iirc half are using ZKPs to reduce information given to advertisers.