A crypto wallet labelled as belonging to the U.S. Department of Justice, and holding around $2 billion worth of bitcoin, appears to have initiated a test transaction to Coinbase Prime, according to Arkham's data.

The wallet, which holds over 30,174 bitcoin, initiated a transaction of 0.001 BTC ($0.065) with a wallet labelled on Arkham as belonging to Coinbase Prime. The transaction currently has one block confirmation. Typically exchanges require multiple confirmations before a transaction is confirmed.

The rest of the funds were sent to a change address — which means they may have effectively stayed in the same place. But if it is a test transaction, further movements could be on the way.

The $2 billion in bitcoin appears to be tied to funds the DOJ confiscated from the now-defunct …