Glossary

• Entity: An asset such as a real estate asset or NFT, to which messages are associated.

• Bucket: A logical collection of messages (pointers to m) associated with an entity.

• Storage Layer: Any system capable of storing messages such as IPFS, Google Drive, etc.

• Message (m): Any piece of information (PDF, E-Mail, etc.) stored in a storage layer as a DIDComm message and logically grouped within a bucket. The format of the message m is following the DIDComm specification.

• Contributor: Account with write access to a specific bucket.

• Manager: Account with full management access to an entity, including update the admin set

• Admin: Account who is tasked with generating and distributing bucket decryption keys, and thus on top of read and write access can change the bucket’s status as well as current encryption key id.

• SKB: Secret key of the bucket, used to decrypt the content encryption keys (CEKs) of messages within the bucket.

• PKB: Public key of the bucket, used to encrypt the CEKs of messages for secure storage.

• CEK: Content encryption key in the DIDComm specification. Used to encrypt and decrypt the content of a specific message.

• *: Visualizes ciphertext. For instance, CEK* stands for an encrypted CEK.

• SID: Storage ID. A unique identifier for a message within a given storage layer.