Joystream

Ravelous is the crypto ecommerce marketplace that lets users sell their stuff online for crypto. Sellers can accept many types of payments from buyers, and withdraw your balance in the token of their choosing. Buyers who do not have the currency the sellers prefer can exchange their coins for RAVE tokens which used for payment. The RAVE tokens can also be traded for other coins, and will have a value backed by the crypto-marketplace and the RAVE treasury that will increase over time as the treasury grows in value.

The REPU system (abbreviated from English – "reputation") is a revolutionary project that allows you to completely rethink the way social networks are perceived. REPU is a rating and feedback system based on decentralized blockchain technology. Technology allows you to completely replace the system of “likes” with the rating - both for users and for companies. The rating, subsequently, can be used as an assessment tool in various areas of the individual’s life - starting with professional skills, financial stability, and ending with all possible aspects of behavior and interaction with the public.

Verifier is an innovative technology designed to verify identity, events, deals, and any other kind of data. This is a blockchain based solution that verifies data quickly, accurately, trustworthy, and securely.

The Constellation protocol implements a horizontally scalable blockchain architecture known as Extended Trust Chain with a peer to peer layer known as a gossip protocol that can be deployed on a mobile device. Constellation approaches smart contracts with a microservice architecture allowing for highly available services to be chained and composed into distributed applications with just an understanding of each microservice’s SLA (service level agreement) and/or type signature. This architecture ensures high transaction throughput, allowing for consumer grade distributed applications to be built on Constellation.

MediLOT is a health data protocol that aims to solve the concerns of Electronic Health Records (EHR). Current EHR systems are fragmented, centralised and lack patient ownership. Through a dual blockchain solution, MediLOT incorporates Artificial Intelligence capabilities onboard its control and data layers which allows the equitable sharing of health data. The MediLOT ecosystem will consist of patients, healthcare providers, researchers and commercial companies.

DenCity is an AI and Blockchain powered platform that provides you an engaging and immersive VR experience and lets you make a world of your own. A user will not only be able to explore, learn and create a life of his/her choice in accordance with the real world rules but also earn tokens that can be used to buy real life goods and services in the real world.