$1M sweet spot round size
Most of their 1 investments are in rounds between $1M and $1M
2015
Coin Center raised $1M on February 21, 2017
Investors: Bitso, ConsenSys, ShapeShift.io, Ripple, Abra and OB1
$5M
from 9 investors over 9 rounds
OB1 raised $5M on March 13, 2018
Investors: Union Square Ventures, Andreessen Horowitz, OMERS Ventures, Digital Currency Group and Bitmain
OB1 raised $3M on December 14, 2016
Investors: Andreessen Horowitz and Union Square Ventures
OB1 raised $1M on April 24, 2015
Investors: Andreessen Horowitz and Union Square Ventures