Once a hash is used from a plot does the plot need deleted? February 01, 2023 22:14 Updated No. A plot has a significant number of hashes. If one is used, there is still plenty to last for the upcoming years. Related articles Can I use USB 3.0 cable connected to SSD/NVME running the Temp files? Is there any advantage in plotting larger k sizes? What is recommended for plotting? How can I get synced and stay synced? What happens if the power to my plotters goes out?