Storiqa is developing a decentralized e-Commerce marketplace with a focus on eliminating fake reviews. It will be powered by the STQ token and will allow users to buy and sell items with a smart contract enabled platform. The STQ token will also be used to reward users that participate in reviewing items and sellers.

INVioU is developing a blockchain-based invoice trading platform. Their blockchain protocol allows users to buy and sell invoices, and provides companies with an alternative funding solution for immediate cash flow needs.

Particl is developing a privacy-focused blockchain-based marketplace. The platform will include encrypted communication tools and a native confidential currency. It will also be integrated with other cryptocurrency projects. The Particl marketplace will have confidential transactions, escrow services, and a decentralized self-governance system. Their native blockchain has a Proof-of-Stake (PoS) consensus mechanism with quantum-resistant cold-staking.