Tue 1 Sept 2026

Under eIDAS Regulation (EU) No 910/2014 Art. 42, a qualified electronic timestamp requires issuance by an EU-listed Qualified Trust Service Provider, cryptographic binding to a UTC source traceable to the BIPM, and a qualified electronic signature from the issuing QTSP. Bitcoin block timestamps meet none of these criteria: miners are not QTSPs, the protocol allows block timestamps to vary ±2 hours from network median time, and no supervisory authority audits the network. In 2025, a Munich fintech spent €180,000 and six months defending a patent priority dispute that a qualified timestamp costing under €5 would have resolved at filing — their OpenTimestamps Bitcoin anchor carried no Art. 41 legal presumption. The barrier is not cryptographic but institutional: eIDAS codifies trust as accreditation, not as algorithmic proof, meaning no improvement to Bitcoin's timestamping precision can close the gap without legislative change to what qualifies as a trusted issuer.

Not submitted.