Hacker Sinks $6.9M in Crypto Trading Blunder

A suspected hacker lost ~$6.9M swapping ETH—lessons in on-chain trading.

  • Hackers received 12,282 ETH via THORChain/Chainflip three months ago.
  • Sold at $1,932 then repurchased at $2,495—locking in a $6.9M loss.
  • Shows on-chain data can reveal costly mistakes, even for hackers.

Wallet address 0x17E0e39da162e17aFC566f835Fe41a5DF56E4EA5—suspected to belong to a hacker—made a costly trading decision. About three months ago, this wallet received 12,282 ETH, worth around $23.7 million at the time, from protocols THORChain and Chainflip. The entire amount was sold at a price of approximately $1,932 per ETH.

Betting Against the Usual Hacker Playbook

Fast forward to just 30 minutes ago on July 1, 2025—the same wallet made a surprising move. It bought back 4,958 ETH for around $12.37 million, this time at a significantly higher price of $2,495 per ETH.

This kind of move is quite unusual. Hackers typically avoid re-entering the market, especially at a worse price. But in this case, the wallet chose to jump back in, possibly expecting ETH to climb even higher.

Math Doesn’t Lie: $6.9M Red Ink

Let’s simplify the numbers:

TransactionETH AmountPrice per ETHUSD Value
Sold12,282$1,932$23.7M
Bought4,958$2,495$12.37M

This means the hacker bought back less than half the ETH sold—at a higher price—leading to a paper loss of approximately $6.9 million. Whether this was a panic move or a miscalculated strategy remains unknown.

Lessons from a Hacker’s Loss

  • On-chain activity reveals everything: No wallet is invisible, not even one tied to hacks.
  • Even hackers make bad trades: Selling low and buying high is a mistake many fall into.
  • Trading without a strategy is risky: Big money doesn’t guarantee smart decisions.

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Disclaimer: The content on CoinoMedia is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency investments carry risks, and readers should conduct their own research before making any decisions. CoinoMedia is not responsible for any losses or actions taken based on the information provided.

Ava Nakamura

Ava Nakamura is a seasoned crypto journalist and blockchain enthusiast who has been covering digital assets since 2017. With a sharp eye for market trends and a passion for decentralization, Ava breaks down complex crypto topics into engaging stories. She covers Bitcoin, altcoins, DeFi, and everything in between — aiming to empower readers through knowledge.

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