Author here: The latency can be reduced by future work. For example, Section 9 in the paper mentions an idea for reducing the amount of noise (and thus reducin

Author here: The latency can be reduced by future work. For example, Section 9 in the paper mentions an idea for reducing the amount of noise (and thus reducing latency) by treating honest users as noise. Vuvuzela can also be configured with a smaller "privacy budget" to reduce latency.