Pets has voted and won. Its recognition is slightly lower than the big four (s&p, ccs, ndss, usenix sec), but it is considered the best among tier 2. As the name suggests, there are more work related to privacy protection and system direction, but pure crypto is also available. At the same level, the for schools and general exams are about the same difficulty, but in terms of test questions, the content of the for schools exams will be more relevant to campus learning and life. 2. What English level do ket and pet represent? The reason why ket and pet are so popular in China.
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