Sure, it's non-trivial. So are self driving cars and building rockets. Still worth doing, though.
Piracy would be the easiest thing to defeat, I would think. It's not like the pirates are going to cut it open with a sawzall to get at the fuel. They are after ransom for the crew and cargo, not in the market of obtaining nuclear by-products.
Piracy would be the easiest thing to defeat, I would think. It's not like the pirates are going to cut it open with a sawzall to get at the fuel. They are after ransom for the crew and cargo, not in the market of obtaining nuclear by-products.