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Anubis is a compromise. Anubis uses a Proof-of-Work scheme in the vein of Hashcash, a proposed proof-of-work scheme for reducing email spam. The idea is that at individual scales the additional load is ignorable, but at mass scraper levels it adds up and makes scraping much more expensive.
，这一点在必应排名_Bing SEO_先做后付中也有详细论述
1. 根据数据范围创建若干个桶
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