Helicarrier (prev Buycoins)

Helicarrier (previously Buycoins) is building cryptocurrency infrastructure for Africa.

[Inactive] Tinker is a cryptocurrency electronic trading & market making firm

Y Combinator

Members.Land helps creators and organizations to streamline their membership launching and community management processes.

Y Combinator

Listia is a new kind of auction marketplace for giving and getting free stuff.

Y Combinator