IBM plans to launch the world's first fault-tolerant quantum computer by 2029, capable of performing 100 million operations, with construction of the facility already underway. This announcement reflects IBM's commitment to advancing quantum computing technology and staying competitive in the rapidly evolving field. In 2022, IBM outlined its quantum computing roadmap, which includes the release of two multi-qubit processors, named Crossbill and Flamingo, by 2024. The Crossbill processor will have 408 qubits and is designed for near-term applications, marking a significant step in short-distance entanglement technology. On the other hand, the Flamingo processor, with 1,386 qubits, will focus on long-distance entanglement solutions, enhancing the overall design and functionality of quantum systems. In 2023, IBM's scientists made a significant breakthrough by developing a quantum information storage method based on qLDPC codes, also known as quasi-cyclic LDPC (Low-Density Parity-Check) codes. These codes can transform 12 logical qubits into 144 physical qubits and provide error correction using 144 ancillary qubits, totaling 288 physical qubits. While surface codes have traditionally been the default error correction strategy for quantum computers due to their ability to tolerate high error rates and protect against adjacent entanglements, the qLDPC codes offer a substantial efficiency advantage. IBM has demonstrated that qLDPC codes can achieve similar error correction effectiveness with only a fraction—about one-tenth—of the physical qubits required by surface codes. In a recent paper published on arXiv, IBM detailed a modular architecture for a fault-tolerant quantum computer, built upon the double-variational codes described in a 2024 Nature paper. Simultaneously, IBM released a second paper that introduces a precise, fast, and compact error decoder solution, which can be efficiently implemented on FPGAs (Field-Programmable Gate Arrays) or ASICs (Application-Specific Integrated Circuits) for real-time error correction. "This enhancement strengthens the credibility of IBM's error correction methods," said Neil Gillespie, head of quantum error correction at Riverlane, a British quantum computing startup. Currently, IBM is at the forefront of the quantum technology industry. The company has deployed multiple quantum computers through cloud access and on-premises installations, including the 156-qubit Heron processor. According to IBM, the Heron processor represents the highest-performing quantum chip to date and is not only integral to the IBM Quantum System Two but also widely integrated into other quantum computing platforms. This ongoing investment and innovation underscore IBM's dedication to pushing the boundaries of quantum computing and maintaining its leadership position in the field.