A former employee of memecoin creation and trading platform pump.fun, alleged to have carried out a recent $1.9 million exploit, claims he was arrested and is now on bail in the United Kingdom. On May 16, the X user “STACCoverflow,” who revealed his identity as Jarett Dunn, took responsibility for the attack. Pump.fun alleges Dunn exploited a “privileged position” to access a “withdraw authority,” compromising the protocol’s systems. In a series of posts on a different X account on May 18, Dunn claimed he “spent overnight in custody” and was charged with “theft from employer” for $2 million and conspiracy