STX

Stacks is a new internet of decentralized applications, equipped with a full suite of open source development tools to build and bootstrap a decentralized ecosystem of applications and protocols. Users own their own data, and a browser is all they need to get started. Stacks is the "Google" of blockchain, where the architecture is divided into three layers: the bottom layer of the blockchain - the peer-to-peer network - the data layer. The business model of Stacks is very clear, and the goal is to be a blockchain browser on which users can create basic Todo applications themselves as well as build single-page JavaScript applications.

Stacks (formerly Blockstack) seeks to power a new type of decentralized internet that would give users more control over their data and make censorship of content more difficult.
It has properties like "built-in privacy" where data in the Stacks app (e.g. photos, messages, health records) is encrypted by default. Apps will not be able to view, access or track your activity. The user, not the app, owns 100% of all data. Additionally, users are free to move their data as well as transact and transfer your assets - without any app or company permission.
Based on its programming language Clarity, Stacks' smart contracts can create, own and trade new types of digital assets such as tokens and digital collectibles. By using the Stacks app, creators can also share the value they create.
Stacks uses a hybrid consensus mechanism, which Stacks calls Proof of Transfer (PoX).