The funding will be used to provide more tools for blockchain app developers and bring on new tech talent.
Williams leads a pack of notable investors in the e-commerce firm, including her husband, Alexis Ohanian, and a handful of prominent YouTubers.
Horizon Games is announcing a seed round from leading crypto investors as it ramps up production on its flagship game, "Skyweaver."
Reddit co-founder and VC investor Alexis Ohanian has said that the crypto speculators have gone, leaving the "true believers" building the industry.
Even with their high level of volatility, bitcoin and cryptos are still poised to "fuel a potential new internet," said Reddit founder Alexis Ohanian.