A single social media post has reignited one of the more durable arguments in crypto markets: how high XRP can realistically climb. The Modern Investor (@ModernInvest) told followers on X on Oct. 27 that the token is headed to $25, a call that set off a wide-ranging argument among holders and traders over whether the number is fantasy, conservative, or simply beside the point.

The reaction split along familiar lines. The most common objection was arithmetic rather than sentiment: Ripple, the fintech company behind the XRP Ledger, still controls a large share of the token’s supply, and a $25 valuation would imply a market capitalization that would make it one of the most valuable enterprises in the world. User @textiledexile framed the…