Lucky Framework Tutorial - Let's build a Bitcoin wallet. - ONCHAIN.IO APILucky Tutorial - Let's build a Bitcoin wallet Installing Crystal and the Lucky Framework. First you have to add the repository to your APT configuration. For easy setup just run in your command line: curl -sSL https://dist.crystal-lang.org/apt/setup.sh | sudo bash Once the repository is configured you're ready to install Crystal: sudo apt install crystal Call crystal -v to check everything install
