Authorities are banding together ever more closely with the financial sector and Internet providers in hopes of disrupting the multibillion-dollar global child-pornography trade. These concerted efforts come as the child-porn industry has shifted in the last five years to a more anonymous, web-based system for moving funds, according to law-enforcement officials, technology specialists and money-laundering experts. To root out the companies that supply an estimated $20 billion annual global child-porn market, the Financial Coalition Against Child Pornography -- comprised of Internet service providers, financial heavyweights and technology companies -- is working closely with law-enforcement agencies in the United States and around the world…Tom Kellermann [of Core Security Technologies], who has chaired the financial coalition's technology group, says there are two backbones of the Internet that child-porn producers are exploiting: hosting services and electronic payment systems...To begin to address the issue, the largest hosting company in the world, GoDaddy.com, recently joined the financial coalition.