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The Securities and Exchange Commission’s X account was hacked yesterday and briefly displayed a post falsely announcing the approval of bitcoin exchange-traded funds (ETFs), causing an abrupt swing in bitcoin’s price.

“The @SECGov X account was compromised, and an unauthorized post was posted,” the SEC said after the hack. “The SEC has not approved the listing and trading of spot bitcoin exchange-traded products.” SEC Chair Gary Gensler also confirmed the hack and said the commission had not approved bitcoin ETFs.

While the incident highlighted ongoing concerns about the security of government or organizational accounts on X, the social network formerly named Twitter said in a post on its safety account that there was no breach of its systems.