Any news appears to be good news for Riot Blockchain.
The middlemen in the bitcoin boom are making out like bandits.
Investors are willing to pay more than twice what bitcoins are actually worth for the convenience of buying it with a brokerage account.
Bitcoin is an online currency for the tech-savvy, difficult to buy and perhaps even harder to store safely.
Here is a recap of what's going on across Warren Buffett's empire.