Digital Commodity A digital commodity is a scarce, electronically transferrable product or service. are contracts whose terms are recorded in a computer language instead of traditional legal language. They are simply one method for restricting the transactions performed in a database. Digital Commodity A digital commodity is a scarce, electronically transferrable product or service. can be automatically executed by a computing system, such as a Attestation Ledger An Attestation Ledger is a distributed ledger providing a durable record of agreements. It can also be expanded to include commitments or statements in so far that it provides evidence that these agreements, commitments or statements were made. system.