India, March 31 -- We do not usually ask what makes a digital transaction believable. It goes through, it settles, and the record stands.That depends on a simple idea: that what is verified today will remain verifiable tomorrow. In India, that idea carries unusual weight. Every UPI payment, every Aadhaar authentication, every digitally signed document and land record relies on it. It is what allows billions of transactions to move without friction, and what gives digital records their authority.But that expectation rests on methods that do not remain fixed.

As the old saying goes, satya sthir hota hai - truth endures. Indian thought has long drawn a distinction between satya (truth) and pramaan (proof). The difference now has practical c...