The niche industry where precision keeps money trustworthy

In an era of increasingly sophisticated counterfeiting, intellectual property and collaboration are the invisible shields of global currency.

Back in 2024, German investigators seized a horde of fake US dollar bills with a face value of over $103 million. Believed to have been produced in Turkey, the 75 cartons discovered by officers were being stored before an eventual export across the Atlantic. There have been many stories like this over the last few years, but the main takeaway each time isn’t the face value recovered so much as the continued sophistication and reach of the actors involved and the need for constant technological renewal by central banks and their suppliers.

The banknote printing sector plays a key role in the fight back. Combating counterfeiting requires a very specific kind of expertise and technological know-how. The sector is highly competitive, and third-party-developed technologies are essential, meaning that the safeguarding of intellectual property (IP) has become crucial in the fight.

Security begins in the material

Modern banknotes are engineered objects, not “printed paper.” The substrate (paper, polymer or hybrid) carries embedded features that interact with inks, threads, windows and machine-readable elements to resist imitation and extend note life. Academic overviews of the industry describe a value chain driven by R&D and patents, where successive generations of features are protected and iterated to stay ahead of counterfeiters.

One academic overview describes the industry as “a complex value chain from input production to destruction of unfit notes.” In practice, that means the substrate itself is part of the security architecture. Research shows that each material has a microscopic fingerprint that can be identified through high-resolution imaging, providing a forensic method to distinguish genuine paper from counterfeit

Indeed, a growing focus is the substrate architecture. For example, Giesecke+Devrient’s Hybrid and Hybrid ADDvance protect a cotton core with an ultra-thin polymer film, allowing conventional features (watermarks, threads) to be embedded while improving durability in harsh circulation conditions. G+D cites lifecycle gains and processing benefits tied to these materials. Other players — such as the French firm Oberthur Fiduciaire — remain primarily committed to cotton substrates, which they consider the optimal material for hosting a wide range of security features.

For central banks, the substrate choice determines cost, sustainability and security. Longer-lasting materials reduce, in theory, replacement needs, while multi-layered structures support advanced optical features that are far more difficult to imitate.

Intellectual property as strategy

In this specialised market, intellectual property is not an afterthought. It is the core mechanism that drives innovation and protects trust. As Thomas Savare, CEO of Oberthur Fiduciaire, explained “I have long believed that innovation—together with the protection of intellectual property—is absolutely vital. Simply knowing how to print banknotes is no longer sufficient. Success now depends on the ability to develop security features and techniques that make each note unique and impossible to forge.”

Indeed, Oberthur has recently sharpened its technology portfolio around advanced micro-optical security, with Anima emerging as its flagship innovation. Developed by Rolling Optics and now integrated into Oberthur’s offering, Anima is a next-generation micro-lens security thread that delivers highly dynamic visual effects that are instantly recognisable to the public and extremely resistant to counterfeiting. This capability is reinforced by Oberthur’s upstream control of banknote substrates following the acquisition of VHP Security Paper, which enables tight integration between high-security paper manufacturing and embedded features. Together, micro-optical innovation and substrate mastery position Oberthur Fiduciaire to deliver banknotes that combine durability, intuitive authentication and state-of-the-art anti-counterfeiting performance as with the Highlink solution, a high-durability cotton substrate.

These moves reflect a broader trend. Security printers compete not only on quality and price but on ownership of unique, protected technologies. They often develop hybrid substrates linked to sustainability claims, or integrate polymer and holographic systems under single IP frameworks. Each company positions its portfolio as a secure, licensable platform for central banks.

Intellectual property matters because it guarantees both innovation and accountability. Patented materials and processes can be independently audited and traced. When counterfeiters attempt to mimic official designs, it is often the proprietary chemistry or optical response of these materials that exposes the fraud.

Collaboration over isolation

Despite the confidentiality surrounding banknote production, cooperation between industry actors is essential. Central banks, state printers and private companies frequently work together to integrate multiple technologies within a single series, such as Oberthur Fiduciaire’s Bioguard solution, designed as an anti-fungal and antiviral solution to prevent the spread of dangerous pathogens (particularly relevant since the COVID pandemic), and in order to maintain a symbolic identity. According to Thomas Savare, however, believes that central banks’ expectations have not fundamentally changed since the pandemic. He says: “They continue to demand banknotes that are impossible to counterfeit, aesthetically impeccable, and reflective of a nation’s history and identity—or, in the euro area, the collective identity of a region. Ongoing discussions around the redesign of euro banknotes illustrate this perfectly. Cash is not only a means of payment; it is also a symbol, and our teams work under the guidance of clients to bring that symbolism to life.”

Security features from one supplier may be combined with substrates or inks from another. Cross-licensing agreements allow technologies to coexist while preserving ownership rights. This cooperation accelerates innovation and strengthens collective resilience against counterfeiting, but trust in suppliers is paramount. “Supplier quality audits are helpful in many ways,” says Jon Ngin, Vice President of Operations at Crane Currency. “You get a feel for the suppliers’ manufacturing core competencies, the security of their operations, their capacity, and lastly, their financial security.” 

The seizure in Germany demonstrates that counterfeiting remains a complex and organised threat. Each operation dismantled is a reminder that trust in physical money is constantly tested. The response lies not only in secrecy but in a continuous cycle of innovation, protection and collaboration. As payment systems evolve toward digital currencies, the tangible note endures as a test of technological integrity. Its survival depends less on ink and engraving than on the network of expertise, patents and partnerships that make authenticity measurable.