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Glossary

Every technical term this platform uses, with what it means and — the part that is harder to find elsewhere — the mistake it prevents. On this subject the intuitive reading is often the wrong one, so each entry says what a reader would otherwise get wrong.

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Distillation

Consuming many low-quality magic states to produce fewer better ones.

Easy to get wrong: It only improves a state below a fixed point. Above roughly 1/√35 for the standard protocol, each round makes things worse and no number of rounds helps.