Euler team denies on-chain sleuth was a suspect in hack case

The pseudonymous Twitter idiosyncratic and blockchain researcher Officer’s Notes believes they whitethorn person been a fishy successful the $195 cardinal Euler Finance hack. In an April 4 Twitter thread, the information researcher stated, “Seems similar I was a fishy successful this case, arsenic usual.”

The Euler squad has denied that Officer's Notes was a suspect, claiming alternatively that the researcher was adjuvant successful the investigation.

— Officer's Notes (@officer_cia) April 5, 2023

Officer’s Notes, besides known arsenic Officer_cia, is simply a information researcher, blogger, and auditor for blockchain information steadfast Pessimistic, according to the user’s Twitter bio. Their blog posts are featured connected Pessimistic’s authoritative website and incorporate in-depth explanations of crypto information topics. They besides support the Crypto Op Sec Self Guard GitHub repo, which features privateness tools for crypto users.

In their Twitter thread, Officer’s Notes stated that the Euler squad woke them up “in the mediate of the night,” asking for entree information logs from the Op Sec repo, including IP addresses of radical who person visited it. Officer's Notes complied with the petition aft being told “This information was important successful the investigation.”

Officer’s Notes expressed remorse for handing retired this information, seeing it arsenic a usurpation of readers’ privacy:

So if you've ever interacted with my repositories, I anticipation you've done it nether a VPN. I person nary mode of knowing what volition hap to that data. I’m sorry.

The blogger stated they mightiness person been seen arsenic a fishy successful the Euler hacking lawsuit but protested the conception due to the fact that they were excessively engaged to perpetrate immoderate specified crime: 

“Really, if I wanted to hack the protocol, would I beryllium successful my 3rd twelvemonth of blogging and working? Please deliberation astir it. I'm gladsome you similar my nickname, but you can't exaggerate jokes similar that.”

Related: Sentiment recovers $870K aft negotiations with hacker

In a speech with Cointelegraph, a typical from Euler stated that Officer’s Notes was ne'er a fishy and that the squad aboriginal thanked them for their assistance with the case:

“The probe reached retired to Officer CIA for assistance astatine a constituent erstwhile it believed immoderate of his information tools were being utilized by the attacker to debar detection. At nary constituent was helium believed by anyone astatine Euler to person played a portion successful the exploit. He was aboriginal thanked for the assistance helium gave, adjacent though helium had been inadvertently near disconnected the archetypal communications list.”

Euler Finance was the victim of a flash indebtedness exploit connected March 13. Over $195 cardinal worthy of crypto was stolen successful the attack. On March 20, the attacker attempted to unfastened negotiations with the Euler squad to instrumentality the stolen funds. On March 18, they posted an apology missive to the Ethereum web saying, “I didn’t privation to, but I messed with others’ money, others’ jobs, others’ lives […] I’m sorry."

Euler exploiter’s publically posted apology. Source: Ethereum transaction hash.

The attacker returned each of the recoverable funds by April 4.