Blockchain Capital, a venture capital firm in the blockchain space, has appointed former RADAR CEO Alan Curtis as head of platform and former RADAR Caleb Tebbe as chief research engineer. Alan will be responsible for supporting the founders and portfolio companies post-investment, and Caleb will be responsible for supporting the portfolio companies' engineering teams, research and technical due diligence. Alan and Caleb both join Blockchain Capital from Core Scientific. Alan was the CEO of RADAR and was previously the project director at Innosphere, and Caleb was the co-founder and CTO of RADAR and was previously an early data science engineer at Coinbase.