Codex on Althash is a software as a service (SaaS) company that specializes in blockchain solutions and services. It is also a decentralized ecosystem of freelance developers creating applications on HTMLCoin blockchain. Some existing services are: a forum for discussion, an index for Althash API, a platform for freelance coders, and a 'tip bot' that can send a receive HTMLCoin and tokens. Codex ecosystem creates value by creating useful blockchain applications that are used on a daily basis using the 'CDEX' utility token, which uses HTMLCoin as its gas.