| Core banking field | dooit field | Classification | Protection |
|---|---|---|---|
| CIF_ID | customer.id | Internal | Tokenised |
| NAT_ID | customer.nid | PII · NID | Encrypted, exact-match index |
| CUST_NAME | customer.name | PII | Encrypted, fuzzy index |
| ACCT_NUM | account.number | Financial | Tokenised |
| TRAN_AMT | txn.amount | Financial | Encrypted, range index |
| MOB_NO | customer.phone | PII | Encrypted |