Glossary
CARF
The OECD framework requiring crypto-asset service providers to collect and report user and transaction data to tax authorities, which then exchange it internationally.
CARF extends the automatic exchange of tax information to crypto. Reporting providers must collect self-certifications, verify them against existing customer records, and report aggregated transaction data by asset and transaction type.
The practical burden is rarely the filing. It is the data: firms are typically missing tax identification numbers, place of birth and reliable jurisdiction of residence for accounts opened before the obligation existed, and remediating that population takes longer than the reporting cycle allows.
By jurisdiction
Where the meaning changes.
| Jurisdiction | What differs |
|---|---|
| European Union | Implemented through DAC8. |
| United Kingdom | Implemented domestically, with reports going to HMRC. |
Where this comes up
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