OpenSea

OpenSea is the largest NFT marketplace, allowing users to buy, sell, create, and trade non-fungible tokens. The platform supports various NFT categories, including art, music, collectibles, virtual lands, and more. OpenSea operates on multiple blockchains, offering a user-friendly interface for both creators and collectors. The marketplace uses smart contracts for secure transactions and charges a 2.5% fee on secondary sales.
Crypto.com

Crypto.com is a cryptocurrency exchange that provides a comprehensive platform for buying, selling, and trading a wide range of cryptocurrencies, including Bitcoin and Ethereum. Its services encompass a mobile app, a secure exchange, a non-custodial wallet for decentralized finance (DeFi), and an NFT marketplace. The platform supports over 350 cryptocurrencies and offers various financial products, including crypto loans and staking options, catering to both individual users and businesses.