Build on Bitcoin is a hybrid Layer-2 network Bitcoin blockchain


George Town, Cayman Islands

Mile End, London, UK

They are a venture capital firm focused exclusively on public blockchains. They invest in infrastructure and application companies that will enable these transformative protocols to power services for the next billion users.

Castle Island Ventures

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Signal that you'd be interested in working with a Castle Island Ventures company to help us put the right opportunities at great companies on your radar. The choice to pursue a new career move is then up to you.

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As our companies grow, they look to us to help them find the best talent.
Signal that you'd be interested in working with a Castle Island Ventures company to help us put the right opportunities at great companies on your radar. The choice to pursue a new career move is then up to you.