Cardano-based big data platform Iagon raises $3.4 million. The latest round was led by LedgerLink Labs while Blockchain Israel, AU21 Capital, Kirin Fund, Coinsgroup, Cinchblock, Panony, X21, Genblock, Alphabit, Launchpool, GBV Capital, Trustdao Network, Faculty Group, Llamas, BH Investments, Next Chymia Consulting and others also contributed.