Praxis, a project that claims to be the world's first "cyber nation," announced on Tuesday that it has received $525 million in funding to build a tech frontier city to support the development of crypto, artificial intelligence, energy and biotechnology. According to the announcement, the fundraising participants include Arch Lending, GEM Digital, Manifold Trading, etc. New angel investors include Dan Romero (CEO of Farcaster), Tom Schmidt (General Partner of Dragonfly), Rob Hadick (General Partner of Dragonfly), and others.