translate English to French: Jurors were never totally anonymous — they were subject to selection interviews and were present and visible during the proceedings — but it was possible to protect them by keeping their personal details (name and address) secret.
Les jurés ne sont jamais totalement anonymes - ils sont choisis à l'issue d'un entretien et ils sont présents et visibles pendant le procès - mais il est possible de les protéger en gardant secrètes les informations personnelles (nom et adresse).