TLDR
A tiny privacy algorithm called zero-knowledge proof (ZPK) has emerged as the missing piece to the cryptographic privacy puzzle. ZKPs essentially act as digital notaries, authenticating information in digital transactions. ZPK applications will soon enable universal digital signatures for PayPal, swap transactions for decentralized derivatives exchange dYdX and fast batch transaction processing for Tether. Over 20 Ethereum DApps plan to use ZKP rollups (or less secure Optimistic rollups) for off-chain transactions.via the TL;DR App
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Written by trinekatelle | As a biz journalist, Trine has covered finance from NY, tech from Silicon Valley, and the blockchain space.