Holder Finance

COTI is the world’s first blockchain protocol optimized for decentralized payments, designed for use by merchants, governments, payment dApps and stable coin issuers. COTI Pay, our first app, already boasts a network of 5,000 merchants and 80,000 users. COTI uses a DAG (directed acyclic graph) ledger to address the shortcomings of blockchain platforms that make them unsuitable for supporting mainstream and everyday transactional needs.

DocTailor is a unique self customizing smart legal contract platform, that allows, lawyers, individuals and organizations to send and create legal tailor-made smart contracts and agreements on the blockchain without developer experience.Bridging the gap between the trillion dollar crypto economy market.

Adrealm aims to rebuild the digital advertising ecosystem and cultivate a self-sustaining open ecosystem for all participants to achieve advertising efficiency. Built on ERC-20 standard of the Ethereum platform, Adrealm connects advertisers, service providers, content publishers, developers etc on its decentralized public ledger ensuring privacy and no third-party management of data. Thanks to its three-tier architecture made of an on-chain layer, off-chain layer, and a service layer, speed and efficiency can be guaranteed and the industry pain-points such as fraud, low-quality ads, and data leakage can be overcome. Adrealm relies on a particular consensus mechanism called Proof of Valid Traffic (PoVT) that makes high-quality ads and traffic the fundamental criteria for the operational success of transactions.

By accepting to share their shopping data with the network, a shopper earns reward tokens, while the data is used by retailers to build redemption offers that best suit each customer’s needs. Shoppers can redeem their tokens through these exclusive and personalized offers.

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.

Vidy is the world's first decentralized ad network, powered by the ethereum blockchain. Vidy's ad platform allows advertisers to embed video ads directly into hyper-relevant website text, improving user experience, ad conversions and publisher payments. With just a hold, users can now reveal tiny hyper-relevant videos embedded in the text of any page on the web, unlocking a whole new dimension of the internet. All ads are placed with an NLP consensus protocol driven by miners. With a team of veteran engineers, industry-leading advisors and world-class brand partners, Vidy is on it's way to reinventing online advertising, e-commerce, and entertainment.