Impact of cashless payments

The Environmental Footprint of Cash

Cash has a larger environmental footprint than most people realise. The production of banknotes and coins requires raw materials — cotton, polymer, metals — that must be sourced, processed, and manufactured. The printing and minting processes consume energy and generate waste. And once produced, cash must be transported, stored, and eventually destroyed and replaced as it wears out.

Consider the lifecycle: raw materials are extracted and refined. Banknotes are printed at secure facilities using specialised inks and substrates. Coins are minted from metal alloys. Both are then transported to central banks, commercial banks, ATMs, and retail outlets across entire countries. Worn-out notes are collected, shredded, and disposed of, only to be replaced by new ones in an ongoing cycle.

Key Environmental Metrics

Research has quantified the environmental impact of cash and card payments, revealing numbers that add up at scale:

• Carbon emissions: The average per-capita annual carbon footprint of cash usage is estimated at approximately 1.9 kg of CO2. This accounts for production, transportation, and disposal.
• Card production: Manufacturing a single plastic payment card generates approximately 150 grams of CO2 equivalent, considering raw material extraction, production, and shipping.
• Waste generation: The combined waste from cash handling and card production generates approximately 1.3 kg of waste per person annually.

Reduced Emissions from Cash Transportation

One of the largest contributors to the carbon footprint of cash is transportation. Cash must be physically moved — from printing facilities to banks, from banks to ATMs, from ATMs to businesses, and eventually back again. This requires armoured vehicles, fuel, and the infrastructure to support secure transportation networks.

Digital payments eliminate this transportation entirely. When money moves digitally, no vehicle is dispatched, no fuel is burned, and no armoured car traverses the roads. The environmental savings from reduced transportation alone are significant, particularly in countries with large geographic areas and dispersed populations.

Reducing Plastic Waste from Cards

While payment cards are more convenient than cash, they introduce their own environmental concerns. Most payment cards are made from PVC plastic, which is not biodegradable and is rarely recycled. With billions of cards in circulation globally, and cards typically replaced every three to five years, the cumulative plastic waste is substantial.

Mobile digital payments — where transactions are conducted through a smartphone rather than a physical card — eliminate this plastic waste entirely. The phone that the user already owns becomes the payment device, requiring no additional physical materials.

The Impact at Scale

The environmental benefits of digital payments become truly significant when viewed at population scale. Consider a scenario where 10 million people switch from cash and card payments to fully digital mobile payments:

• CO2 reduction: Approximately 120,000 tonnes of CO2 emissions could be avoided annually.
• Waste reduction: Approximately 13,000 tonnes of waste from cash handling and card production could be eliminated each year.
• Resource conservation: Significant quantities of cotton, polymer, metals, and PVC plastic would no longer need to be sourced and processed.

A Sustainable Path Forward

The environmental case for digital payments aligns with the financial inclusion case. Moving from cash to digital is not just better for people — it is better for the planet. By reducing the need for physical currency production, transportation, and disposal, digital payment platforms contribute to lower carbon emissions and reduced waste.

Blipply's approach — using the mobile phones that people already carry as the primary payment interface — maximises the environmental benefits by eliminating the need for any additional physical payment infrastructure. No cards to produce, no cash to transport, no waste to dispose of.

As more people and businesses adopt digital payments, the environmental benefits will compound. The transition from cash to digital is not just a financial evolution — it is an environmental one, and every transaction that moves from physical to digital is a small step toward a more sustainable future.