Arbitrary numbers are boring. Nobody reads newspapers to read about numbers. People read newspapers with stories about violence and scandal. I would rather hear about the Bitcoin CEO being the terrorist mastermind behind The Honey Boo Boo show.
I'm pretty sure the number 10,000,000,000 written that way would catch anyone into reading the article.
Future Headlines: Bitcoin's Market Cap Once Again Breaks 1,000,000,000,000 US Cents Wall
The title and OP have been updated.