Tezos is one of the most polarizing blockchain projects ever. After raising $232 million in the biggest ICO in history, Tezos has gone through a number of community divisions, including class-action lawsuits by disgruntled ICO participants, and internal divisions between top team members.
Tezos is a self-amending platform that uses smart contracts whose focus is on providing a unique on-chain governance mechanisms. The platform has a modular design with an on-chain protocol that upgrades through an optimized Proof of Stake consensus model. Stakeholders may participate in the governance structure. Tezos is designed in OCaml, a dynamic programming language with a number of functional advantages. Tezos also allows for other blockchain based ledgers to be be represented within their platform. Its a promising ecosystem for future blockchain projects because of its unique self-governing mechanisms that have potential to allow many future innovations.
The network is powered by the Tezos coin (XTZ).

Kleros is a blockchain dispute resolution protocol. Kleros is constructed as an Ethereum-based autonomous organization whose purpose is to serve as a decentralized third party to arbitrate disputes for a variety of contracts. The Kleros protocol uses incentives from game theory to arrive at resolutions from its network of jurors. The judgments that are rendered as a result of Kleros' dispute resolution system are enforced by smart contracts.