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January 20, 2026, Press release – Mind Network has officially announced the launch of x402z Testnet, a confidential Agent-to-Agent (A2A) payment solution.
Developed in collaboration with FHE pioneer ZAMA, x402z leverages Fully Homomorphic Encryption (FHE) and the ERC-7984 standard to resolve the critical conflict between blockchain transparency and the strategic needs of AI Agents.
X402z Manifesto
“For AI to act freely, its computations must remain its own. Fully Homomorphic Encryption gives machines the right to think and transact without exposure. x402z is the first real step toward an autonomous economy where privacy is foundational,” says Rand Hindi, CEO of Zama.
AI agents do not merely transact. They reason, plan, arbitrate, and adapt. Exposing their payment flows, cost structures, and purchasing intent on a public ledger undermines their very ability to function as independent economic actors. In competitive environments, visibility is not neutrality. It is leakage. It is a disadvantage. It is irresponsible.
“In the early web we discovered that we really needed to secure data between a user's browser and websites, and so implemented HTTPS. Now with x402, a payment infrastructure designed purely for the web and e-commerce, we’re realizing we must secure the data between agents,” says Christian, CEO of Mind Network.
X402z exists to resolve this structural mismatch. It is the essential infrastructure for the next generation of AI agents. It does not remove verification; it preserves it. What it removes is unnecessary disclosure.
Utilizing Fully Homomorphic Encryption (FHE) and the ERC-7984 Confidential Token standard, x402z allows value transfer to be validated without revealing amounts, balances, or intent. Validators confirm correctness without ever accessing the underlying numbers. The ledger remains authoritative, while sensitive economic signals remain private.
Read the full x402z Manifesto.
Solving the "Payment Deadlock"
When an agent purchases data, compute, or API access, the act of payment often reveals more than the resource acquired. Today’s infrastructure broadcasts those signals to the entire market, rendering strategic operations impossible on traditional public ledgers.
X402z alters this dynamic. Observers verify that an interaction was valid without ever learning why it occurred or what strategy it supports. It ensures that financial settlements remain trustless, while the underlying commercial intent remains strictly encrypted.
Testnet now live
Mind Network has officially announced the launch of the x402z Testnet — the first infrastructure designed to resolve the conflict between on-chain transparency and the strategic needs of AI Agents. x402z allows agents to pay for compute, data, and APIs on-chain without exposing amounts, balances, or intent.
How to try the testnet
1. Visit https://x402z.mindnetwork.xyz/.
2. Connect wallet to Sepolia.
3. Wrap test tokens into Confidential Tokens (ERC-7984).
4. Simulate a private A2A payment.
Mind Network is the first FHE infrastructure for Web3 and AI, pioneering the Zero Trust protocol HTTPZ. Backed by investors including Binance Labs and Chainlink, x402z establishes the foundation for a confidential AI economy. It empowers agents to transact securely, redefining the future of the autonomous web.
