Python Scrapers for Scraping Cryptomarkets on Tor. - Yubao Wu; Fengpan Zhao; Xucan Chen; Pavel Skums; Eric L. Sevigny; David Maimon; Marie Ouellet; Monica Haavisto Swahn; Sheryl M. Strasser; Mohammad Javad Feizollahi; Youfang Zhang; Gunjan Sekhon (SpaCCS, 2019)