Offline validator for Brazilian CPF (individual) and CNPJ (company) registration numbers. Strips formatting, checks length, rejects known invalid sequences (all same digit), and recomputes the official modulo-11 check digits for both formats.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002000 USDC | 0x318d...3dbe |