Applied use cases.
WHAT IS CLAIMED
Provenance that cannot be falsified.
WHAT THE TECHNOLOGY ACTUALLY PROVIDES
A record that cannot be altered after recording.
WHY THAT DISTINCTION IS EVERYTHING
If false information is recorded, it is immutably false.
WHAT THAT MEANS
The difficulty is not the ledger; it is verifying reality at the point of entry.
WHAT ADDRESSES IT PARTIALLY
Sensors recording automatically Tamper-evident physical seals Several independent parties recording
WHAT NONE OF IT ELIMINATES
Trust in whoever operates the sensors or seals.
WHERE THE TECHNOLOGY GENUINELY HELPS
Several parties who do not trust each other needing a shared record Disputes about what was recorded when Records that must outlive any one participant
WHERE IT DOES NOT
A single organisation recording its own data Situations where a trusted registry exists
WHAT CREDENTIAL APPLICATIONS PROVIDE
Verifiable certificates, checkable without contacting the issuer.
WHAT THEY REQUIRE
Issuers being identifiable and trusted.
WHAT LAND AND TITLE APPLICATIONS FACE
That legal ownership is determined by law, not by a ledger.
WHAT THAT MEANS
A ledger can record; only a legal framework can confer.
WHAT TO ASSESS
Whether the problem is record-keeping or trust.