The U.S Office of Government Ethics has moved towards creating transparency in government officials cryptocurrency holdings.

Those working for the executive branch of the U.S. government must disclose their cryptocurrency holdings, ethics officials said Monday.

In a legal advisory released Monday, the U.S. Office of Government Ethics (OGE) clarified that cryptocurrency is “property held … for investment or the production of income” instead of a “real” currency or legal tender. As a result, the OGE will now require executive branch employees to report holdings of digital currencies because they “may create a conflict of interest for employees who own it.”

The disclosure requirement is a major move, requiring members of the U.S. executive branch – officials working for the White House as well as the galaxy of federal agencies – to reveal their crypto holdings. Earlier this year, a member of the U.S. Congress submitted a petition seeking similar requirements for federal lawmakers.

The OGE’s document also specifically…