When several systems describe the same asset or right, a simple but decisive question arises: which source determines what actually applies?

A blockchain can record information. It can provide a clear history of what has been written into a digital system. But it does not automatically make every registered item legally true, economically current or complete in relation to the world outside the system.

Documentation, sources and verification are therefore core issues in tokenisation. A digital representation may be technically clear and still be based on information that has become old, incorrect, incomplete or misunderstood.

In this chapter we distinguish between data source, authoritative source, digital representation and traceability. The goal is not to describe Tokenisera Nordic's internal verification model, but to show why a robust structure must know which fact is being checked, where it comes from and what happens when sources do not say the same thing.