TLDR:
- Event: On June 19, 2025, a16z (Andreessen Horowitz) announced that its X account was briefly hacked, leading to the launch of the token a16z ($A16Z).
- Response: a16z clarified on social media that the posts and token were not authorized, apologizing for any inconvenience, and the hack did not lead to further harm.
On June 19, 2025, venture capital company a16z (Andreessen Horowitz) was hacked in a security breach of its official X account, which was briefly hijacked by hackers. The company was prompt to react on social media, where it said, “Earlier today, our X account was briefly hacked. During this time, the account posted a certain token and other false content, none of which came from a16z. We sincerely apologize for any inconvenience caused by the attackers who temporarily took control of our account.”
The hacking saw the unauthorized listing of token a16z ($A16Z) with contract address 2Cf9vXunYYyGECuCEMAxzMNxsoMPRn9YnCyRMjqXpump, which had only a market capitalization of nearly $700,000, indicating minimal impact.
See more details of $A16Z on MevX!
The hacker used the prominence of a16z in the crypto space to shill $A16Z, a common trend with the recent wave of high-profile account hacks to shill scam tokens. The hack, however, did not spiral out of control, unlike in those cases that saw a broad market disruption. The market capitalization of the token of approximately $700,000 shows the community was fast to spot the unauthorized listing, keeping the damage minimal. This is also consistent with a16z’s promptness to call out and answer, something that would have been instrumental in keeping the extent of the hack minimal.
This attack is reflective of the ongoing torrent of security breaches on crypto accounts. In February 2025, the personal X account belonging to a16z founder Chris Dixon was also hacked to shill a scam project. In reporting the attack on June 19, the firm noted that the breach had been limited to its X account and that the shilled $A16Z token had no relation to a16z. The firm was also careful to note that it had not endorsed any of the content posted during the attack. With the relatively small market cap of the token, the hack appears to have had little financial impact and did not weigh heavily on the overall market.
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