US startups raised $37 billion from venture capitalists in the first quarter of this year, the lowest amount in 13 consecutive quarters, according to data from research firm PitchBook and the National Venture Capital Association. Investors have reduced both the size and number of checks they write. The first quarter marked the lowest number of deals, fewer than 3,000, in more than five years. 

London-based Catapult raised $5 million in a seed round led by Blockchain Capital.