PolySwarm is a malware detection marketplace. It uses the Ethereum blockchain to create a marketplace for threat intelligence. Security resources are connected to help detect threats and maximize coverage. PolySwarm's real-time malware protection network is powered by the Ethereum-based NCT token. .

The Storeum token is a digital currency that is designed to act as the medium of exchange for Storeum's decentralized marketplace. The project's marketing materials are unclear and the team behind it is not known. The STO token increased rapidly in price and market cap, shortly after its release in 2019.

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.