D-quencer is Oraclizer's decentralized sequencing engine that provides Stage 1 rollup-level security. Through a consensus algorithm utilizing BLS (Boneh-Lynn-Shacham) signature-based VRF (Verifiable Random Function), it ensures fair sequencer selection and transaction reliability. In particular, by employing equal stake PoS and multisig-based consensus, it achieves a balance between scalability and security, providing the core foundational technology for regulatory-compliant oracle state machines.