https://atrium.markets/learn Buy, sell and OTC-trade Terra2 NFTs. Native cw721 collections, on-chain offers, no custodial escrow. en https://atrium.markets/learn/how-to-sell-an-nft-on-terra https://atrium.markets/learn/how-to-sell-an-nft-on-terra Wed, 19 Aug 2026 09:00:00 GMT List, price and settle a Terra2 NFT sale end to end — approvals, fees, royalties, offers and OTC swaps — without handing custody to anyone. https://atrium.markets/learn/cw721-explained https://atrium.markets/learn/cw721-explained Tue, 18 Aug 2026 09:00:00 GMT What a cw721 contract actually stores, how approvals and transfers work, where the metadata lives, and how it differs from Ethereum's ERC-721. https://atrium.markets/learn/nft-royalties-explained https://atrium.markets/learn/nft-royalties-explained Mon, 17 Aug 2026 09:00:00 GMT Royalty standards describe what should be paid, not what must be. Here is what cw2981 and EIP-2981 really do, why royalties became optional, and what works instead. https://atrium.markets/learn/terra2-nft-collections https://atrium.markets/learn/terra2-nft-collections Sun, 16 Aug 2026 09:00:00 GMT A guide to the cw721 collections with real activity on Terra2 — what each one is, what survived the 2022 collapse, and how to verify supply yourself.