Like any competitor,Yueqi Chen was anxious as he awaited the chance to demonstrate his skill in public.It was the afternoon of 19May 2022,and Chen,then a visiting fellow in computer science at Northwestern University in Evanston,IL,USA,was sitting at a cloth-draped table in front of a small audience at Pwn2Own2022 Vancouver,a computer hacking competition held at the Vancouver Sheraton Wall Centre in Canada [1].
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