zkTax: A pragmatic way to support zero-knowledge tax disclosures

arXiv:2311.13008v2 Announce Type: replace
Abstract: Tax returns contain key financial information of interest to third parties: public officials are asked to share financial data for transparency, companies seek to assess the financial status of business partners, and individuals need to prove their income to landlords or to receive benefits. Tax returns also contain sensitive data such that sharing them in their entirety undermines privacy. We introduce a zero-knowledge tax disclosure system (zkTax) that allows individuals and organizations to make provable …

arxiv benefits business business partners companies cs.cr data disclosures financial financial data information interest key knowledge officials partners pragmatic prove public share support tax tax returns third third parties transparency