Offline validator for an Austrian UID (VAT) number: format ATU followed by 8 digits. Normalizes input, checks structure and verifies the weighted modulo-10 check digit algorithm (weights 1,2,1,2,1,2,1 on the first 7 digits, digit-sum reduction, check = (10-(sum+4)%10)%10).
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0x318d...3dbe |