Handshake didn't do an ICO. They raised $10.2m from institutional investors like A16Z, Sequoia, Greylock, and Founders Fund, and then donated all the money they raised to non-profits and open-source projects. Here's a notice from the free software foundation when they received $1m from Handshake https://www.fsf.org/news/free-software-foundation-receives-1...