OpenSea NFT, Ethereum and Polygon: What collectors and traders in the US really need to know

Surprising but true: the single most common mistake experienced NFT buyers make is treating OpenSea like a conventional marketplace—click-to-buy, seller guarantees, customer service that can reverse a charge. In practice OpenSea is a decentralized, non-custodial layer sitting on public blockchains; that changes almost every operational assumption a collector should have. This article corrects common misconceptions […]