Decentralized marketplaces leverage blockchain technology to facilitate transactions in a peer-to-peer manner. They aim to remove intermediaries, enabling users to transact directly while maintaining greater control over their data, security, and privacy. Users can usually transact using cryptocurrencies, which can offer advantages such as lower fees and faster transactions. These marketplaces may also implement smart contracts to automate various processes such as payments, escrow services, and dispute resolution, further enhancing trust and transparency. Examples include OpenSea for digital assets, and platforms like Origin and LocalBitcoins for goods and services, or even sharing economy services.