Elon Musk has continued his potentially ironic support of the "joke" bitcoin rival dogecoin.
The price of bitcoin may be dropping dramatically, but among payments companies, interest in cryptocurrency as a revenue generator is growing.
It's time to take bitcoin way more seriously as an investable asset, says Goldman Sachs.
Summers said cryptocurrencies could stay a feature of global markets as something akin to “digital gold,” even if their importance remains limited.