Two new semi-device-independent randomness expansion protocols achieve high rates by recycling input randomness or biasing inputs, secure against quantum side information, with expansion possible in 10^5 to 10^6 rounds.
We now outline our notation for different registers: •X i: classical register storing the input of roundi
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Higher rates for semi-device-independent randomness expansion by recycling input randomness
Two new semi-device-independent randomness expansion protocols achieve high rates by recycling input randomness or biasing inputs, secure against quantum side information, with expansion possible in 10^5 to 10^6 rounds.