Gold isn't easy to steal because it's heavy, and the more you steal, the more it weighs. There's a big difference between stealing an ounce of gold and stealing

Gold isn't easy to steal because it's heavy, and the more you steal, the more it weighs. There's a big difference between stealing an ounce of gold and stealing five tons of gold. But there's no difference in "weight" between stealing 0.1 BTC and 10,000 BTC. Also, securing physical assets is much easier than securing digital assets.