Why prove your money before entering the crypto world? Most people’s first encounter with cryptocurrency begins on an exchange. Transferring funds from a bank to an exchange, then buying USDT or other crypto assets—this process seems straightforward. But if you think more carefully, you’ll realize there’s a cumbersome data verification step between traditional finance and blockchain. For example, the platform needs to confirm that the funds originated from your own account, that the transfer was successful, and that the amount meets requirements. The common solution? Users are asked to provide bank statements, transaction records, or upload screenshots of transfers. But problems arise. Screenshots can be altered; manual review takes time. Requesting full account statements, however, may expose unrelated transactions, balances, or even personal information. For platforms, verifying the source of funds is essential. For users, however, there’s no need to expose all financial details. This is precisely where Primus’s zkTLS comes in. Primus lists Crypto On-Ramp and Off-Ramp as key use cases for zkTLS—aiming to solve how applications can verify users’ data from banks or payment platforms while minimizing unnecessary data disclosure. Imagine this scenario: You want to use a service to convert funds from your bank account into USDT. The service needs to verify your payment history and confirm whether the transaction meets deposit criteria. Previously, this might have required submitting your entire transaction history. Now, with zkTLS, you can generate a verifiable proof based on specific data from a designated website. At the core of this process is leveraging the data validation mechanisms within HTTPS/TLS connections to confirm that the data genuinely originates from a specified Web2 source. Primus then generates an Attestation that the application can verify. Users no longer need to hand over their full data directly; developers can integrate the verification result directly into their application logic. Here’s the key difference: Platforms only need to confirm whether certain conditions are met—they don’t necessarily need access to all of a user’s financial details. Of course, zkTLS has its boundaries. It verifies the authenticity and origin of data but does not replace banks in processing transfers or directly facilitating fiat-to-crypto conversions. KYC, AML, and risk assessments still must be handled by service providers according to their own policies. Additionally, proofs are time-bound. If a proof confirms a successful deposit at a given moment, it validates the data at that point—it does not imply ongoing or future fund status updates. I believe the On-Ramp use case is particularly noteworthy because it sits precisely at the intersection of traditional finance and Web3. On-chain transactions are publicly verifiable, but users’ bank records, payment details, and identity information remain largely confined to Web2 platforms. If every time you want to bring funds on-chain you must resubmit vast amounts of personal data, user experience and privacy protection become impossible to balance. Primus aims to transform data that traditionally resides within web services into verifiable credentials via zkTLS. I believe the real value in the future will emerge from broader financial service integrations: deposits, withdrawals, lending, asset verification, and compliance services requiring proof of financial eligibility. When on-chain applications can understand off-chain data without requiring users to expose all their private information, a more natural connection between Web2 and Web3 becomes possible. This is why I continue to follow @primus_labs. #Primus #zkTLS