A two-stage S-money scheme lets users precommit a random string and later choose the token's presentation point with a classical one-time-padded message, improving flexibility and transferability.
[7] the issuer transmits a quantum state |Ψ ⟩ to the user, chosen from a predetermined set
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Flexible quantum tokens in spacetime
A two-stage S-money scheme lets users precommit a random string and later choose the token's presentation point with a classical one-time-padded message, improving flexibility and transferability.