On-chain privacy protocol RAILGUN will be launching a “Private Proof of Innocence” (PPOI) tool, enabling DeFi users to remain anonymous whilst simultaneously proving that they do not interact with malicious actors. 

This tool is designed so users can cryptographically prove that their tokens are legitimately sourced without having to reveal any information about their balance or viewing keys. 

The PPOI aims to achieve this outcome through using zero-knowledge (zk) technology, Alan Scott, a RAILGUN contributor, told Blockworks. 

According to DeFiLlama, RAILGUN is one of the largest privacy protocols today with a total value locked (TVL) of $32.6 million, second only to Tornado…

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