Property is the international English term for real estate, used from London to Dubai and Singapore. Market adds the idea of many listings, buyers and sellers in one place. Bitcoin defines the means of payment and the audience: people who hold the asset and want to move part of it into land, homes or commercial buildings. The .com ending gives the name a global commercial reach, matching a market that crosses borders by nature and brings together parties from different jurisdictions.
The name belongs to the real estate category and the Bitcoin Real Estate collection, which also includes German terms such as Immobilie, Wohnung and Haus. It fits a listings portal, a brokerage brand, a data service tracking Bitcoin-settled transactions, or a platform that places holiday homes with international Bitcoin holders. The English wording makes it easy to operate in several countries at once.