Why would I need to sign a loan for a house in Bitcoin? With Bitcoin I can just buy the house outright. Debt currencies are used for signing loans. Anyway, th

Why would I need to sign a loan for a house in Bitcoin? With Bitcoin I can just buy the house outright. Debt currencies are used for signing loans. Anyway, there is probably a way to add an inflation metric over the blockchain based on it's length (or #transactions, or avg. transaction value, etc.), where some value equivalence can be drawn between older coins and newer coins, if it's really desired.