推 isaacc: BIG data分析加上監控交易所? 10/18 07:41
IRS Followed Bitcoin Transactions, Resulting In Takedown Of The Largest Child
Exploitation Site On The Web
https://www.forbes.com/sites/kellyphillipserb/2019/10/16/irs-followed-bitcoin-transactions-resulting-in-takedown-of-the-largest-child-exploitation-site-on-the-web/
縮網址 https://reurl.cc/L1AbD9
By analyzing the blockchain and de-anonymizing bitcoin transactions, the
agency was able to identify hundreds of predators around the world - even
though those users thought that they could remain anonymous.
....
The website is among the first of its kind to monetize child exploitation
videos using bitcoin. Here’s how it worked: each user received a unique
bitcoin address when the user created an account on the website. Those
accounts could be used to pay to download the videos. An analysis of the
server revealed that the website had more than one million bitcoin addresses,
signifying that the website had the capacity for at least one million users.
...
還是不太理解是怎麼抓到的 為什麼bitcoin的交易有辦法map到是誰付錢？
--
That was the beginning, and the idea seemed so obvious to me and so elegant
that I fell deeply in love with it. And, like falling in love with a woman,
it is only possible if you do not know much about her, so you cannot see her
faults. The faults will become apparent later, but after the love is strong
enough to hold you to her. So, I was held to this theory, in spite of all
difficulties, by my youthful enthusiasm. --Richard P. Feynman in Nobel Lecture
--
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※ 文章網址: https://www.ptt.cc/bbs/NetSecurity/M.1571339475.A.2A0.html
※ 編輯: KirimaSyaro (140.112.16.173 臺灣), 10/18/2019 03:12:56