OECD: 46 countries to start automatic crypto data sharing in 2027
- —46 countries and territories to exchange crypto data starting 2027
- —Germany begins data collection in tax year 2026, exchange in 2027
- —Switzerland, Canada and UAE start in 2028, the US in 2029
- —77 jurisdictions have committed to the CARF standard
Why it matters: Exchanges will report trades and transfers to self-hosted wallets to tax authorities, raising the risk of disputes for users with poor records.
Source: Block-Builders