Fireblocks Patents

Patent portfolio assigned to Fireblocks (verified via public assignee records). Digital-asset custody/MPC infrastructure (US), matching fintech hint. Competitors (BitGo, Copper) from Fireblocks' own comparison page plus Anchorage/Paxos from CB Insights. Customers taken directly from Fireblocks' own customer-stories page (fetched). Patent confirmed via patents.google.com US20210203492A1 (IoT security with MPC) assigned to Fireblocks Ltd. Count not visible from Google Patents assignee page (blocked).