Uncle Sam is now selling litecoins it obtained for tax nonpayment.
The GSA's next BTC auction could fetch more than $300K, generating even more excitement among cryptocurrency investors.
The General Services Administration has been auctioning bitcoin since 2014, when the FBI shut down the Silk Road black market.
The U.S. Marshals Service plans to auction more than 4,000 bitcoin, worth about $37.7 million at press time, later this month.