"It took the FBI two-and-a-half years to do what they did ... but four weeks of temporary silence is all they got," a site administrator wrote, also using the "Dread Pirate Roberts" moniker. Ulbricht's lawyer on Wednesday said his client would plead not guilty to drug trafficking, hacking and money laundering charges. Senator Tom Carper, a top lawmaker on the Homeland Security committee, who plans to hold a hearing on digital currencies this month, said the new Silk Road site shows that government needs to adapt to fast-moving technology. "Rather than play 'whack-a-mole' with the latest website, currency, or other method criminals are using in an effort to evade the law, we need to develop thoughtful, nimble and sensible federal policies that protect the public without stifling innovation and economic growth," Carper said in a statement. Two weeks ago, federal prosecutors said 144,336 Bitcoins were discovered on Ulbricht's confiscated computer, adding to more than 30,000 Bitcoins previously seized. With the digital currency trading at an all-time on Wednesday, those Bitcoins were worth close to $50 million, according to the Mt Gox trading website. The relaunched Silk Road will soon hire staff to handle marketing for the site, the administrator mentioned in his post. The Silk Road has risen once more. ... Open communication with your old suppliers and customers, let this wonderful news be taken to all corners of the Tor Network and beyond," the person wrote. Additional reporting by Emily Flitter in New York and Brett Wolf in St. Louis; Editing by Leslie Gevirtz and Lisa Shumaker