{
  "id": 16034159,
  "title": "How do you delete what you have anchored?",
  "url": "https://urgent.news/2026/10/22/come-si-cancella-cio-che-si-e-ancorato",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-22T11:13:39.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/omarbaruzzo/come-si-cancella-cio-che-si-e-ancorato-37jk"
  },
  "original_language": "it",
  "account": "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.",
  "summary": "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…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}