IDOs, unlike ICOs, have small market capitalization after a public offering. This is due to the vesting period for any private investors and the small number of tokens. … Differences between ICO & IDO. CharacteristicsICOIDORegulationPartially regulated (depends on the region)UnregulatedThe Key Difference Between ICO and IDO – IdeaSoft.io ideasoft.io › blog › the-key-difference-between-ico-and-ido