[Home](./index.md) > [bitburner](./bitburner.md) > [HacknetServerHashUpgrade](./bitburner.hacknetserverhashupgrade.md) ## HacknetServerHashUpgrade type **Signature:** ```typescript type HacknetServerHashUpgrade = | "Sell for Money" | "Sell for Corporation Funds" | "Reduce Minimum Security" | "Increase Maximum Money" | "Improve Studying" | "Improve Gym Training" | "Exchange for Corporation Research" | "Exchange for Bladeburner Rank" | "Exchange for Bladeburner SP" | "Generate Coding Contract" | "Company Favor"; ```