As Musk explained, earlier NFT implementations featured a link to the content highlighted in the file that led to a website, something that was pointed out by critics of the NFT mania back in the day. However, Ordinal inscriptions and Stamps, two recently introduced protocols, allow users to save the desired media directly on top of the Bitcoin blockchain, securing the longevity of the file. The rise of these inscriptions has raised discussions on what constitutes a “fair use” of the blockchain space, with some mining pools even opting to filter transactions containing them, considering these inscriptions “spam.”