Second Level Domains
SLD on Secondary

SLDs on Secondary Marketplace

SLDs are standard ERC-721 tokens that can be bought and sold in a permissionless manner through compatible marketplaces on the Optimism blockchain, such as OpenSea (opens in a new tab). To do so, you will need a self-custody wallet such as MetaMask (opens in a new tab).


Transfers are instant once the transaction is complete. The owner of the domain is free to configure and update the resolver settings using HNS.ID (opens in a new tab).