Challenge Coins

Challenge coins are small, collectible coins that are typically made of metal and feature an organization’s emblem, insignia, or other design on one or both sides. They are often used to represent membership, loyalty, and camaraderie within a group or organization, such as the military, law enforcement, or firefighting community.

The origin of challenge coins is uncertain, but it is believed that they first became popular during World War I. Soldiers would carry coins with them to show their affiliation with a particular unit, and to prove their identity if they were captured or lost their identification. Some stories suggest that challenge coins were also used as a way to buy drinks, with soldiers challenging each other to produce their coins. If a soldier couldn’t produce his coin, he would have to buy drinks for the rest of the group.

Today, challenge coins are still popular among members of the military and other organizations. They are often presented as gifts to members who have demonstrated exceptional service or achievement, and they are also exchanged as a sign of friendship and camaraderie. Some organizations, such as the Secret Service, have specific rules about how challenge coins are used and displayed.

Challenge coins come in a variety of shapes, sizes, and designs. Some are made of precious metals and feature intricate designs, while others are simple and affordable. Many challenge coins are highly collectible, and collectors often trade them with other enthusiasts or display them in special cases.

I love challenge coins, so all Digital Defiance employees will be given one or two challenge coins to start with. You can give them to special people. They’re often used to show who you’ve bumped elbows with.

Here are our coins as they’re going to be!


  • Jessica Mulein

    Jessica Mulein's dedication to technology began at the tender age of 12, setting the foundation for her future endeavors. In 1995, she co-founded Silicon Connections, an Internet Service Provider that remains active under the leadership of her co-founder. Jessica's career path led her to Microsoft, marking a notable chapter in her professional journey. Parallel to this, her unwavering commitment to Open Source inspired the establishment of Digital Defiance in 2022, which was incorporated in 2023. Even in its early stages, Digital Defiance is actively exploring promising opportunities, such as corporate matching and giving programs. Today, alongside her role at Microsoft, Jessica provides strategic direction as the President and Chief Operating Officer of Digital Defiance.

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