So sánh phương pháp

	Mã sửa lỗi lượng tử dạng bề mặt	Phân phối khóa lượng tử (BB84)
Lĩnh vực	Tính toán lượng tử	Tính toán lượng tử
Họ	Machine learning	Machine learning
Năm ra đời	2003	1984
Người khởi xướng	Alexei Kitaev	Charles Bennett and Gilles Brassard
Loại	Error correction code	Cryptographic protocol
Công trình gốc	Kitaev, A. Y. (2003). Fault-tolerant quantum computation by anyons. Annals of Physics, 303, 2–30.	Bennett, C. H., Brassard, G. (1984). Quantum cryptography: public key distribution and coin tossing. Proceedings of IEEE International Conference on Computers, Systems, and Signal Processing, 175–179.
Tên gọi khác	surface code, topological error correction	BB84, quantum cryptography
Liên quan	3	2
Tóm tắt	Surface Code is a two-dimensional topological quantum error-correcting code that protects quantum information through geometric redundancy. Introduced by Alexei Kitaev in 2003, surface code is considered the leading candidate for large-scale fault-tolerant quantum computing due to its high error thresholds and feasibility on two-dimensional qubit arrays.	Quantum Key Distribution (QKD) BB84 is a cryptographic protocol allowing two parties to establish a shared secret key using quantum mechanics. Proposed by Bennett and Brassard in 1984, BB84 provides information-theoretic security: an eavesdropper's presence is guaranteed to be detected, and the secret key is provably secure against unlimited computational power.