Home › Merchant Directory Hauptwerk Category: ArchitectCountry: AustriaAccepts: BTCVisit website →← Back to the crypto merchant directoryHauptwerk is a architect in Wien, Austria that accepts BTC for payment. More crypto-friendly businesses nearbyHotel Saalbacher HofDon AlfredoLandgasthof zur LindePosidonasKiryakovStefanHinteregger Biohof Hotel AuszeitNew to paying with crypto?How to Buy Bitcoin (2026 Guide)Bitcoin Lightning Network GuideLedger vs Trezor: Hardware Wallets Compared