# RFC 9116. oppen's pitch is key custody, so a reachable disclosure path is # part of the product, not paperwork. Contact: mailto:security@oppen.xyz Expires: 2027-09-04T00:00:00.000Z Preferred-Languages: en Canonical: https://oppen.xyz/.well-known/security.txt Policy: https://oppen.xyz/whitepaper/#s6-the-key-model