Anything that a person finds useful (or, more strictly, that a person can trade) can be an asset. Bitcoin is a new type of asset that has properties never seen

Anything that a person finds useful (or, more strictly, that a person can trade) can be an asset. Bitcoin is a new type of asset that has properties never seen before. That is what my point is, that they new properties are being discounted heavily by the author as they try to force it into a traditional asset to make a shaky comparison.