Polygon Launches ‘Privately Send’ for USDC and Tether

Polygon introduces 'Privately Send' for USDC and Tether, enabling confidential transactions for businesses using zero-knowledge technology.

With the launch of the “Privately Send” option on May 4, the network now allows the transfer of USD Coin and Tether without publicly revealing the participants or the transaction amount—a shift that could reshape how businesses utilize public blockchain technology.

Privacy as the Missing Link

This new feature addresses one of the primary hurdles for companies using blockchain: total transaction transparency. In standard on-chain payments, anyone can track who is sending funds, to whom, and in what amount, creating a risk of exposing sensitive business information.

With “Privately Send,” Polygon aims to eliminate this drawback by providing a level of privacy comparable to traditional financial systems. This is particularly vital for corporate users who want to use stablecoins for payments without exposing operational details to competitors or the broader market.

How the Technology Works

The feature utilizes Hinkal’s infrastructure—a privacy layer that processes transactions through what is known as a “shielded pool.” This process applies zero-knowledge proofs, which allow for transaction validation (for instance, confirming the sender has sufficient funds) without revealing key data points.

Significantly, the system remains non-custodial. Funds are not held by a third party but remain under the user’s control throughout the entire process. This preserves a core principle of blockchain technology while adding a new layer of functionality.

Balancing Privacy and Regulation

Polygon is clearly positioning the feature as a tool for “privacy, not anonymity.” Unlike traditional mixers that often face regulatory pressure, this system integrates “Know Your Transaction” (KYT) checks.

This means that while transactions are hidden from the public blockchain, they still pass through compliance mechanisms designed to limit illegal activity. This approach is aimed at attracting institutional participants who require both privacy and regulatory certainty.

Implications for Developers and the Ecosystem

The functionality is not limited to end-users. Any application integrated with the Polygon wallet can activate this capability without building its own privacy infrastructure.

This opens the door for broader stablecoin use in business operations—ranging from supplier payments to internal transfers and financial services. For developers, this translates to faster deployment of solutions that previously required complex and expensive architectures.

The Broader Context

With this move, Polygon positions itself at the center of growing competition to build institutional blockchain infrastructure. Amid rising interest in tokenization and digital payments, privacy is emerging as a key factor for the next phase of growth.

If the technology sees wide adoption, it could change the perception of public blockchains—moving from fully transparent systems toward hybrid solutions that combine transparency for regulators with privacy for participants. This shift could prove decisive in attracting corporate capital to the ecosystem.