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What is a Digital Commerce Currency?

A currency purpose-built for buying and selling, that aligns customers, creators and merchants instead of extracting from them.

By Greggar Deterville, updated 10 November 2026

What is a Digital Commerce Currency?

What is a Digital Commerce Currency?

General-purpose money is a blunt instrument for commerce. It moves value, but it knows nothing about the relationship between a shopper and a shop, rewards no one for loyalty, and hands all the useful data to the intermediaries in the middle. Loyalty schemes try to patch the gap, but they are fragmented, closed off from each other and rarely worth much. A digital commerce currency is what you get when you design the money for commerce in the first place.

The simple definition

A digital commerce currency is a currency purpose-built for buying and selling within a commerce ecosystem. It is not designed to be a speculative store of value. It is a medium of exchange with a loyalty layer and an intelligence layer built directly into it, aligning the incentives of everyone who uses it.

A commerce currency is not trying to replace your bank account. It is trying to make the act of buying and selling better for everyone in the transaction.

The three participants it serves

A true commerce currency has to work for every side of the market at once:

How KAELUM applies this

KAE is a digital commerce currency in the fullest sense. Customers buy KAE at a fixed £0.20 per unit and receive a 6%+ discount when they spend it with participating merchants. A 4.5% platform fee applies. A portion of transaction value, the TPR at 1.2%, flows into the KAELUM Performance Reserve and is distributed quarterly in KAE, so participation is rewarded over time. Merchants receive analysis from the Merchant Performance agent, and every transaction is enriched by the Transaction Insights agent to surface trends and personalised value.

Underpinning all of it, K.A.T.E. governs each transaction, and the closed-loop design keeps the economics inside the ecosystem where they benefit the people using it. KAELUM owns a category the card-rail incumbents cannot easily enter: commerce currency, not cryptocurrency.

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