From contact tracing apps to economic forecasting, 2020 has seen a range of innovative new uses for data – and also re-ignited long-standing debates on data sharing, data protection, privacy and public interest. Join PRIViLEDGE, a Horizon-2020 funded project releasing data privacy and anonymity tools, for an investigation into how blockchain and distributed ledger technologies (DLT) can offer solutions for data security and privacy issues.