Hello, World premiere! The talk notes titled “Contracts, Contracts, Contracts - Code Your Own (Crypto Blockchain) Contracts w/ Ruby (sruby), Universum & Co” from the world’s first official (secure) ruby talk at last nights Vienna Ruby (Crypto) meetup incl. What’s a (Smart) Contract? ++ History of Contract-Oriented Programming Languages (on the Blockchain) ++ 10 Contract Examples and more. Happy coding with (secure) ruby. Cheers. Prost.