"Sandbox" is a bad term to describe these regulatory programs, under which financial technology solutions can be safely seeded, fed, and controlled.
Japan's top financial official is cautious about the idea of his nation changing how it taxes gains from cryptocurrencies.
Russian president Vladimir Putin is still skeptical about cryptocurrencies, he said Thursday.
The Central Bank of Iran is the latest national bank to sound the alarm on the cryptocurrencies, fearing of its misuse in money laundering and fraud.
John Glen, the U.K. minister who oversees the financial sector, says regulation could lead to "a stable, flourishing" crypto exchange in London.
Economist Kenneth Rogoff said Tuesday that he expects bitcoin's price will decrease by 2028.