By being valued at 12 Bitcoins. That means the house has outperformed Bitcoin. When the house was bought: 1 Bitcoin = $100k 1 house = 10 BTC = $1m After 2 years 1 Bitcoin = $200k 1 house = 12 BTC = $2.4m That means the house has outperformed Bitcoin. Even if there's no dollar in the world anymo...