Polygon, a blockchain network focused on payments, has announced the launch of private stablecoin payments in partnership with Hinkal, a privacy infrastructure provider. The solution leverages zero-knowledge proofs (ZKPs) to allow institutions and enterprises to send USDC and USDT without revealing sender, receiver, or transaction amounts, addressing one of the key hurdles to blockchain adoption: financial privacy.
Key Takeaways
- Polygon and Hinkal introduce a ZKP-based private payment solution for USDC and USDT.
- The solution provides bank-like privacy for institutions while maintaining Know-Your-Transaction (KYT) compliance for regulators.
- Available now in the Polygon wallet, with more privacy features under development.
“We heard it from partners across payments, payroll, and treasury: confidentiality is not a feature request, it is a prerequisite,” Polygon stated in the announcement. The network emphasized that exposure of financial information is a real operational problem for institutions unwilling to make tradeoffs to enjoy speed and cost improvements.
The solution, built using Hinkal's shielded pool technology with ZKPs, verifies each transfer without accessing specific transaction details. At the same time, the shielded pool incorporates KYT screening to ensure compliance with regulatory requirements. The system does not take custody of the funds being transacted, preserving full user control.
Polygon claims this release gives institutions an experience equivalent to how banking transactions work today: operations are private from the market but traceable by regulators, yet executed on a faster, cheaper, and always-available network. The feature is already live in the Polygon wallet, where users now see a new option labeled “private send.”
The network hinted at developing more confidentiality-oriented functions in the near future, stating that it is “working on more privacy offerings to complement the wallet and will share specifics as each piece is ready.”
The Shifting Privacy Narrative in Crypto
Privacy, once viewed as a negative attribute in cryptocurrency, is now increasingly regarded as essential for mainstream adoption. Analysts argue that without adequate confidentiality, institutions will remain hesitant to move large volumes onto public blockchain. Polygon's move aligns with this broader industry trend, potentially paving the way for billions of dollars in traditional finance volume to migrate on-chain.