The Organization for Economic Cooperation and Development (OECD) just published a Crypto-Asset Reporting Framework and Amendments to the Common Reporting Standard document. It is intended to propose a global tax transparency compliance framework with model rules for the automatic reporting and exchange of digital asset-related taxpayer information.
The document is available here [PDF]: https://www.oecd.org/tax/exchange-of-tax-information/crypto-asset-reporting-framework-and-amendments-to-the-common-reporting-standard.pdf