Every transaction on Ethereum is a postcard — anyone can read who sent it, who received it, how much moved, and when. For years, the blockchain industry treated this radical transparency as a feature. But in 2026, as institutional capital floods into DeFi and enterprises demand onchain financial tools, that transparency has become the single biggest barrier to adoption. No CFO wants their payroll visible to competitors. No hedge fund wants its trading strategy front-run by MEV bots.

On March 10, 2026, Starknet launched STRK20 — a privacy-native token standard that makes confidential balances, private transfers, and hidden sender identities the default for any ERC-20 token on the network. Unlike previous privacy solutions that forced users to choose between secrecy and compliance, STRK20 ships with built-in selective disclosure for regulators, auditors, and law enforcement.
It is the most ambitious attempt yet to answer the question that has paralyzed blockchain privacy since Tornado Cash: can you have confidentiality without becoming a money laundering tool?