Quantum Error Correction
Error correction in quantum computing introduces significant overhead, requiring thousands of physical qubits to create just a few logical qubits. This complexity is a major barrier to breaking current cryptographic systems. As we enter the noisy intermediate scale quantum era, there's potential for quantum computers to outperform classical ones, but practical applications remain to be seen as researchers race to discover useful capabilities.In this clip
From this podcast

Lex Fridman Podcast
Scott Aaronson: Quantum Computing | Lex Fridman Podcast #72
Related Questions
What are the main challenges of quantum computing as discussed in the episode Scott Aaronson: Quantum Computing | Lex Fridman Podcast #72 and the clip Quantum Error Correction?
What are the main challenges of quantum computing as discussed in the episode Scott Aaronson: Quantum Computing | Lex Fridman Podcast #72 and the clip Quantum Error Correction?