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The Starknet team has introduced a new privacy layer for ERC20 tokens powered by zero-knowledge proofs. The solution allows users to hide balances and transfers while preserving the ability to disclose information when requested by regulators.
According to the company, the new system is called STRK20. It enables developers to add these features to any ERC20 asset without building separate privacy infrastructure.
The developers emphasized that STRK20 is not a crypto mixer. Unlike such services, the new system does not require users to move funds into a separate pool to obscure transaction history. Instead, privacy features are integrated directly into the asset management process.
Starknet believes this approach could make privacy a standard feature of blockchain applications rather than a specialized tool used by a limited group of users.
The first major implementation of the technology is strkBTC. The project gained the ability to use hidden balances and private Bitcoin transfers within the Starknet ecosystem.
StarkWare CEO Eli Ben-Sasson believes further advances in zero-knowledge technology could change how regulators conduct blockchain investigations. In his view, instead of analyzing large numbers of addresses, authorities could obtain only the specific information needed to verify individual transactions.

STRK/USDT price on Binance. Source: TradingView.
Over a broader timeframe, the picture appears less positive. STRK has lost about 12% of its value over the past week despite ongoing ecosystem development and the launch of new products.
Against this backdrop, the launch of STRK20 may be a long-term catalyst for network activity rather than an event capable of immediately changing the project's market valuation.
Earlier, MetaMask launched a wallet for AI agents with access to DeFi.