Financial Services - , Massachusetts, United States
Experimental secure digital signature hardware designed to live somewhere between a credit card and smartphone, but operating mainly offline. Develop the basic proof-of-concept for a retail PoS system based on Bitcoin and connected with SAP. The system allowed direct settlement, eliminated the requirement to transmit and aggregate data at the end of every shop day, and improved the information flow.The Bitcoin-based project was abandoned due to market volatility but remains in active research on a private Ethereum based blockchain.