Core Insights - IBM has been selected for Phase B of the Quantum Benchmarking Initiative (QBI) by DARPA, marking a significant validation of its path towards building large-scale fault-tolerant quantum computers [1] - The QBI aims to assess the feasibility of constructing industrial-grade fault-tolerant quantum computers that provide computational value exceeding their costs by 2033 [1] - IBM has partnered with SEEQC to explore new methods for scaling quantum computer control systems, integrating SEEQC's single-flux quantum (SFQ) chip technology with IBM's advanced quantum system architecture [2] Summary by Sections IBM's Involvement in QBI - IBM was previously selected for Phase A of the QBI in April 2023 and is now among 11 companies in Phase B, which includes various technology paths from superconducting qubits to neutral atoms [1][3] - Jay Gambetta, IBM's research director, emphasized that advancing to Phase B is a strong endorsement of IBM's approach to providing large-scale fault-tolerant quantum computing [1] Collaboration with SEEQC - The collaboration with SEEQC aims to enhance quantum system performance and reduce energy consumption by integrating SFQ technology into system-on-chip (SoC) designs [2] - IBM is committed to launching a fault-tolerant quantum computer by 2029, addressing significant engineering challenges in scaling such systems [2] QBI Structure and Evaluation - The QBI consists of three progressive phases: Phase A requires preliminary technical concepts, Phase B demands comprehensive R&D plans, and Phase C involves independent testing of hardware by DARPA [3][4] - DARPA's QBI is not a competitive elimination process but rather an independent evaluation of each company's technological advantages, acknowledging the diversity of quantum computing paths [4]