Base meme coin BRIAN briefly tops $34 million market cap

BRIAN, also referred to as Brain, remained highly volatile on Coinbase’s Base blockchain after traders linked the token to changes in Brian Armstrong’s X profile image. The meme coin was launched on Base with one billion tokens, and developers sent roughly 80% of the supply to Armstrong’s wallet address, a move that fueled speculation of tacit backing. Momentum accelerated after Armstrong changed his profile photo on July 16 to an image traders associated with the token’s mascot, helping push reported market capitalization estimates to peaks ranging from about $17 million to $37 million within hours. The rally then reversed sharply after Armstrong switched his profile image again, with selling pressure increasing as liquidity faded. DexScreener data in the latest update showed the token down roughly 86% over 24 hours to about a $1.5 million market value on its main liquidity pool, after earlier reports using GMGN data showed a drop to roughly $1.4 million and a decline of more than 93% from a brief peak above $35 million. Trading remained heavy, with DexScreener showing about $13.2 million exchanged across roughly 30 Uniswap pools in 24 hours against about $561,000 in total liquidity, while one trader who bought $179,000 worth of BRIAN at an average price of $0.01311 is now showing a floating loss of $159,000, down 88.7%, according to on-chain analyst Ai Yi. The episode has become a flashpoint for broader frustration with Base’s meme-coin ecosystem, where social-media cues and narrative momentum can drive rapid inflows and equally fast collapses. Armstrong posted “New profile photo - who dis” after changing his avatar to the “Coinbase Man” image on July 16, a move traders read as attention if not endorsement, before he later switched to a CryptoPunk. The token trades under a contract beginning 0xB2, a vanity address associated in the latest report with Base’s newer B20 token standard, and Armstrong has claimed no affiliation with it even though his public wallet tied to barmstrong.eth still holds a balance. The saga also lands as Base shifts its focus toward trading, payments and AI agents after Coinbase said creator and content coin efforts fell short, underscoring how strongly the chain’s meme-coin activity can still react to Armstrong’s personal online signals.