Cameron and Tyler Winklevoss have moved into the art world with an investment in auction site Paddle8.

To celebrate, the techie twins and Paddle8 co-founders Alexander Gilkes and Aditya Julka on Thursday hosted a private dinner, where guests included banking heir Matthew Mellon, Creative Time’s Anne Pasternak and Warby Parker co-founder Dave Gilboa, who ate paella and swilled from magnums of Pommery champagne.

The evening toasting the Bitcoin-backing Winklevii included an auction — appropriately titled “Currency” — of monetarily inspired works by Andy Warhol, Damien Hirst, Jeff Koons, Banksy and David LaChapelle.

The auction runs online till Thursday.