A challenge coin manufacturer has patented an innovative NFC-embedded coin design for fast contact data transfer, loyalty programs, and other business applications. Harrisburg, Pennsylvania ...

He’s “Butterfingers” Biden. The president accidentally dropped and then had to chase a challenge coin as it rolled away from him Monday during an awkward exchange with a senior military officer.

2nd Lt. Michael Moser took his 13 years of experience in the US Army and infused it into the challenge coin he created for his class of 74 person SBOLC class that recently graduated.