The crypto startup reported a significant growth in its revenue for the past year. : Blockfills, a digital asset trading company, announced on Thursday that it has closed a multi-million dollar funding round in May. This is the first outside capital the crypto startup has taken as it was running on bootstrapped capital till now. The round attracted some venture capital heavyweights like Susquehanna Private Equity Investments LLLP, CME Ventures, Simplex Holdings, Future Perfect Ventures, Visionary Private Equity Group, and JackDaw Capital.