You might have guessed that the business at is seasonal, but there’s one garment that’s keeping the fashion faux pas in style year-round. Fully-knit sweaters emblazoned with the logos of popular digital currencies, including bitcoin, Ethereum, and Litecoin — known as “ugly crypto sweaters” — are sweeping the online crypto community.

Their maker, Hodlmoon, a spinoff of, sold more than 2,000 sweaters in 2017. Long after the holiday office parties ended, crypto investors are still sharing photos of the garment on Twitter.

We talked to the sweater’s creator to learn how the unofficial crypto-uniform came to be. Zac Cohen, a web developer at, said he got the idea for bitcoin-themed sweaters after he turned a $100 investment in bitcoin into $5,000, as the price per coin soared.

He bought one bitcoin in 2013, because he said the basic math behind it made sense to him. Like gold, bitcoin has a limited and finite supply.

Because there will only ever be 21 million coins, people buy bitcoin with the expectation that its value will increase as supply decreases. “I was just like, I’m going to buy one so I can say I have one of 21 million,'” Cohen said. Read more from…

thumbnail courtesy of