The EU Data Strategy established Common European Data Spaces: sector-specific frameworks enabling secure, standardized data sharing across organizations and borders. Data spaces are being developed for health (patient records), agriculture (farm data), energy (grid and consumption), mobility (traffic and transport), manufacturing (Industry 4.0), and finance.
The technology is governance infrastructure: technical standards, consent mechanisms, data quality frameworks, and interoperability protocols that enable a German hospital to share anonymized patient data with a French research institution, or a Danish wind farm to share operational data with a Spanish grid operator.
The Gaia-X initiative provides the underlying cloud and data infrastructure, designed to ensure data sovereignty (data stays under the control of its owner) while enabling sharing. This contrasts with the US model (where data flows freely to platform companies) and the Chinese model (where data flows to the state). European Data Spaces represent a 'third way' — controlled sharing that creates economic value while preserving privacy and sovereignty.