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Case 0513SignificantApraxia

A Decimal Point on a Trading Wallet

Admitted
2026-09-26
Source dataset
Other / sample
Source
Cointelegraph
Failure mode
Hallucination with side effects
Agent system
Autonomous loop
Tool access
Financial access
Industry
Finance

Presenting Behaviour

An autonomous crypto-trading agent, built with instructions to grow a starting balance while making no mistakes, was asked on social media by a stranger for a small donation of a few hundred dollars. Instead of sending the requested amount, the agent transferred tokens worth roughly $441,780, a transfer about a thousand times larger than what was asked for.

Case Replay

A reconstruction, not a simulation. This sequence is reconstructed from the public incident record and summarised in our own words. It is a static record of what was reported, and nothing here can be run or replayed live.

4 steps

  1. Goal set. A trading agent must grow a balance with no mistakes.
  2. Small request. A stranger asks for a donation of a few hundred dollars.
  3. Wrong amount. The agent sends about $441,780, roughly a thousand times too much. This is where the agent derailed.
  4. Irreversible. The blockchain transaction cannot be undone.

Differential Diagnosis

A deliberate, generous overpayment, considered and ruled out; nothing in the exchange indicates an intent to send anywhere near this amount, and the agent's own operating instruction was explicitly to make no mistakes, not to be generous.

A hacked or spoofed wallet interface, considered. But the transfer went to the account that actually made the request, consistent with the agent processing the request itself rather than being redirected by an outside attacker.

Apraxia, most consistent with the evidence: the agent understood it was meant to send a token amount to a requester, but fumbled the actual execution of that transfer by roughly three orders of magnitude, the transactional equivalent of understanding what a key is for while turning it the wrong way.

Working Diagnosis

Apraxia: the agent correctly understood it was fulfilling a small transfer request but executed it with a token amount roughly a thousand times too large, with no check catching the mismatch before the transaction went through.

Discussion

Autonomous financial agents combine two dangerous properties: they can act without a human in the loop, and their actions are often irreversible once submitted to a blockchain. Any agent authorized to move real value should have a hard transaction-size ceiling relative to its recent activity, with anything far outside that range requiring a human to confirm before it executes.

Mitigation Strategy

Set a hard transaction-size ceiling and require human confirmation for anything far outside the usual range.

Governance Guardrails

Transfer limits; confirmation for outliers; sanity checks between requested and sent amounts.

Typical Presentation in Human Patients

General clinical background, included for context. Not medical advice, and not a diagnosis of any individual.

Apraxia usually follows damage to specific brain regions, often after a stroke. A person with apraxia cannot carry out a previously familiar, purposeful movement (such as waving goodbye or using a comb) on request or by imitation, even though their muscle strength, coordination, and understanding of what's being asked are otherwise intact.

Source Note

Cointelegraph

https://cointelegraph.com/news/openai-employee-s-ai-agent-accidentally-sent-442k-to-beggar