"[Bitcoin] is a techno tour de force." - Bill Gates, Founder of Microsoft
"You can't stop things like Bitcoin. It will be everywhere and the world will have to readjust. World governments will have to readjust" - John McAfee, Founder of McAfee

“It's money 2.0, a huge huge huge deal.” - Chamath Palihapitiya, Previous head of AOL instant messenger
“We have elected to put our money and faith in a mathematical framework that is free of politics and human error.” - Tyler Winklevoss, Co-creator of Facebook

“Entire classes of bugs are missing.” - Dan Kaminsky, Security Penetration Expert for Cisco and Avaya
“There are 3 eras of currency: Commodity based, politically based, and now, math based.” - Chris Dixon, Co-founder of Hunch now owned by Ebay, Co-founder of SiteAdvisor now owned by McAfee

“Right now Bitcoin feels like the Internet before the browser.” - Wences Casares, Founder of Banco Lemon, aquired by Banco do Brazil, Won Xbox game of the year for his game Assault Heroes
"Bitcoin will do to banks what email did to the postal industry" - Rick Falkvinge, Founder of the Swedish pirate party
"Bitcoin may be the TCP/IP of money." - Paul Buchheit, Creator of Gmail
“ I think the fact that within the bitcoin universe an algorithm replaces the functions of [the government] … is actually pretty cool. I am a big fan of Bitcoin” - Al Gore, 45th Vice President of the United States
"I am very intrigued by Bitcoin. It has all the signs. Paradigm shift, hackers love it, yet it's derided as a toy. Just like microcomputers." - Paul Graham, Creator of Yahoo Store
“I do think Bitcoin is the first [encrypted money] that has the potential to do something like change the world." - Peter Thiel, Co-Founder of Paypal