ESMA shall establish a publicly available register containing: (a) crypto‑asset white papers for crypto‑assets other than asset‑referenced tokens and e‑money tokens; (b) issuers of asset‑referenced tokens; (c) issuers of e‑money tokens; and (d) crypto‑asset service providers. The register will be regularly updated; competent authorities must communicate changes and provide data necessary for classification, including legal entity identifiers. White papers and modified versions must be included, with out‑of‑date versions kept in a separate archive and clearly marked.

The register must record specified information per category, including legal name, form and LEI, contact details, white papers, host Member States, intended or actual start dates, services outside the Regulation, and dates of authorisation or withdrawal. Competent authorities must notify ESMA of certain supervisory and public precautionary measures for publication; withdrawals and notified measures remain published for five years. ESMA shall draft regulatory technical standards to specify classification data and machine‑readable arrangements and submit them to the Commission by 30 June 2024 for adoption under delegated powers.