Ken Seiff is a digital assets investor who founded Blockchange Ventures, an early-stage blockchain investment fund. Ken Seiff's Twitter Score is 41 out of 1000 as of September 2026, ranking #22,866 (top 5%) among 486,621 tracked accounts.
Ken Seiff founded Blockchange Ventures to back early-stage blockchain companies, and the fund has grown to hold positions in more than 100 such enterprises. In 2025, Ken Seiff was reported in court filings and press coverage as an alleged victim in a kidnapping scheme, with the perpetrators reportedly targeting him based on beliefs about his access to cryptocurrency assets; no adjudicated findings against Ken Seiff arose from those allegations.
Ken Seiff posts actively on the platform, with 534 posts to date. Ken Seiff has been mentioned by 26 accounts across 38 total mentions.
Who follows Ken Seiff on X?
The accounts that follow Ken Seiff include 152 founders, 64 angel investors, 26 influencers and 8 VCs. Among them are Chris Dixon, Michael Saylor, Kyle Samani, Meltem Demirors, Anthony Pompliano and Robert Leshner.