A community-launched memecoin tied to Coinbase CEO Brian Armstrong has lost more than 90% of its peak value after a brief profile-picture change triggered a rush of speculative trading on Base.
Armstrong posted “New profile photo, who dis” on July 16 after replacing his X avatar with a pixelated character used by Coinbase Man, a memecoin trading under the BRIAN ticker. Armstrong did not create the token, promote its contract or describe the image change as an endorsement.
Traders made the connection anyway. BRIAN’s market capitalization climbed from below $1 million to more than $30 million as the post drew roughly 1.6 million views and thousands of wallets entered the market. The token accumulated more than 10,000 holders during the surge.
Armstrong changed his avatar again on July 18, this time to a CryptoPunk image. BRIAN quickly fell toward a market value of about $1.7 million, reversing nearly the entire move.
One trader bought 50 ETH of BRIAN, worth roughly $88,000, when the token was valued near $34 million. Less than 24 hours later, the position was worth about 1.5 ETH, or roughly $3,000, after the market collapsed.
The loss reflected price exposure rather than a confirmed exploit or liquidity removal. BRIAN remained tradable on Uniswap, and available contract scans did not identify an immediate token-level security issue.
DEX Screener placed BRIAN near a $2 million market capitalization, with about $97,000 of liquidity in its main ETH pool. OpenSea listed approximately 8,900 holders and $36.1 million of trading volume over seven days.
The episode revived scrutiny of Base-linked personality tokens after earlier launches produced similarly concentrated gains and sharp reversals. A wallet that entered Jesse Pollak’s creator token during its first second previously made more than $1.3 million from the JESSE launch.
The BRIAN crash arrived days after Base creator Jesse Pollak handed leadership of the Base App to Jordan Fish, known as Cobie, following weaker-than-expected adoption for its onchain social and creator-token strategy.
Cobie is taking control of the consumer application as Coinbase shifts it toward trading, payments and access to onchain products. Pollak remains responsible for the Base blockchain and its developer ecosystem.
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