Blockchain accelerator Techstars has ended its partnership with Steven Nerayoff’s firm Alchemist after he was arrested last month in an alleged multi-million-dollar cryptocurrency extortion scheme. Techstars told The Block on Monday that the move was “necessary," given several issues that have arisen around the viability of their partnership. Steven Nerayoff is a technology entrepreneur involved with Ethereum, CasperLabs, tZero and other cryptocurrency projects, and via his firm Alchemist, he partnered with Techstars in 2018 to help blockchain entrepreneurs succeed. Nerayoff was co-lead of an accelerator program in ... (full story)