All listings on v4 are non-custodial. v4 also features off chain / on-chain order optionality, providing developers with greater flexibility:
- Off-chain orders: free listings 👤
- On-chain orders: easily indexable and discoverable orders 🔍
v4上的所有房源都是非托管的。v4还具有链外/链上订单可选性，为开发人员提供了更大的灵活性：
-链外订单：免费登录👤
-链订单：易于索引和发现的订单🔍