Blockchain-Based Supply Chain for Postage Stamps

Radiology on postage stamps.

Postage stamps of ophthalmological interest.

POSTAGE stamps of ophthalmological interest include portrait figures of two practising ophthalmologists, Ferdinand Ritter von Arlt (1812-87) and Franz Cornelius Donders (1818-89). Four further portrait figures of scientists who have directly or indirectly contributed greatly to ophthalmology are shown in the stamps commemorating Johannes Evangelista Purkinje (1787-1869), Hermann von Helmholtz (...

When Postage Stamps Promoted Cigarette Smoking.

Fig. 1: Postcard depicting New York central post office at the beginning of the 20th century (1875-1877) with the shielded eagle of the German Reich Fig. 2: Postcard (1869) of the Kingdom of Serbia depicting prince Milan with a postal employee committed in sorting mail Fig. 3: Postcard (1862) of Hong Kong with Queen Victoria of England depicting a country post office along a medium class lady c...

Digital Supply Chain Transformation toward Blockchain Integration

Digital supply chain integration is becoming increasingly dynamic. Access to customer demand needs to be shared effectively, and product and service deliveries must be tracked to provide visibility in the supply chain. Business process integration is based on standards and reference architectures, which should offer end-to-end integration of product data. Companies operating in supply chains es...

Supply Chain with Blockchain Showcase Rfid