Digital containers for smart contracts

A system comprising:

• a building service configured to perform operations comprising:
• receiving data characterizing a first access policy for a first digital attestation including data characterizing an attestation affecting an execution of a smart contract;
• and
• encrypting and packaging the first digital attestation into a first digital attestation container;
• and
• an attestation clearing service configured to perform operations comprising:
• receiving data characterizing a first request for access to the first digital attestation container, the first request including a first recipient, the first recipient including a first recipient identifier;
• determining access to the first digital attestation container for the first recipient, the determining including comparing the first recipient identifier to the first access policy;
• and
• providing to the first recipient, access to the first digital attestation container.

A computer program product comprising a non-transitory machine readable medium storing instructions that, when executed by at least one programmable processor, cause the at least one programmable processor to perform operations comprising:

• receiving data characterizing a first access policy for a first digital attestation including data characterizing an attestation affecting an execution of a smart contract;
• encrypting and packaging the first digital attestation into a first digital attestation container;
• receiving data characterizing a first request for access to the first digital attestation container, the first request including a first recipient, the first recipient including a first recipient identifier;
• determining access to the first digital attestation container for the first recipient, the determining including comparing the first recipient identifier to the first access policy;
• and
• providing, to the first recipient, access to the first digital attestation container.