Quantra is a secure compute and privacy infrastructure network designed to enable verifiable and confidential execution for crypto-native applications. It addresses a core limitation in Web3: while settlement is decentralized, many sensitive operations such as swaps, routing, automation, and strategy execution still rely on centralized or opaque off-chain infrastructure. Quantra operates a decentralized network of secure execution nodes that run sensitive logic inside isolated, cryptographically attested environments. This allows applications to offload privacy-critical or trust-sensitive tasks without exposing user data or relying on trusted operators. Developers interact with the network through a simple SDK, abstracting away the complexity of confidential compute and attestation. The network powers services such as Privacy Swap-as-a-Service, which enables custody-minimized and privacy-preserving swaps, as well as future agent-based workflows. The $QNTR token is used to pay for verified execution, incentivize node operators, and support network utility. Quantra is built as production-ready infrastructure with a forward-compatible security model.