NFTs, or Non-Fungible Tokens, are coming to Instagram. In a video, Mark Zuckerberg mentioned that Instagram is testing NFT integrations, and Instagram CEO Adam Mosseri announced that the NFT integration will begin this week.

“Over the next several months, [you’ll get] the ability to bring some of your NFTs in, and hopefully over time be able to mint things within that environment,” he said at the time.

Instagram CEO Adam Mosseri announced today that the social media platform will begin testing NFTs with a select set of creators in the United States this week. According to Mosseri, there would be no costs associated with publishing or sharing a digital collectible on Instagram.

For showcasing NFTs on Instagram, The blockchains Ethereum and Polygon are currently supported, with Solana support coming soon. Interoperability will be available for third-party wallets such as Rainbow, Trust Wallet, and MetaMask.

Sports leagues like the NBA and MLB are also selling NFTs of highlights and player cards. Last year, NFT baseball cards were sold for as little as $5 a pack, but this year the price went up to $25.