How do you delete what you have anchored?
In breve: dati personali fuori catena con un salt casuale per record; sulla catena solo l'impegno. Cancellati dato e salt, l'impegno non punta a niente. Un registro delle decisioni è utile perché le sue voci non si possono cambiare a posteriori. La stessa proprietà diventa un problema la prima volta che una voce contiene dati personali e qualcuno chiede di cancellarli. La risposta si decide in…
A method for handling personal data on a blockchain involves storing the data outside the chain and only storing a commitment to it on the chain. This allows for the data to be deleted while still maintaining a record of its existence. To prevent hash collisions, a random salt is added to each record. When a deletion request is made, the data and salt are removed, leaving the commitment on the chain useless.
A register of decisions is useful for tracking changes, and it's essential to plan for data deletion before implementing the blockchain.
Written by urgent.news from Dev.to's report — not a translation of it. Machine-written — may contain errors; check the original before relying on it.