> For the complete documentation index, see [llms.txt](https://docs.otterspace.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.otterspace.xyz/integrations/on-opensea-metamask-etc.md).

# On OpenSea, Metamask etc

Since Badges are maximally compatible with ERC-721 and they actually implement the `IERC721Metadata` interface, Badges will look and feel exactly like NFTs (minus the transferability).

<table><thead><tr><th width="164">Network</th><th>Url</th></tr></thead><tbody><tr><td>Optimism</td><td><a href="https://opensea.io/collection/otterspace-badges-optimism">https://opensea.io/collection/otterspace-badges-optimism</a></td></tr><tr><td>Polygon</td><td><a href="https://opensea.io/collection/otterspace-badges-polygon">https://opensea.io/collection/otterspace-badges-polygon</a></td></tr><tr><td>Mainnet</td><td>Coming soon</td></tr></tbody></table>