# User Account Management

- [Check if Username is Taken](/docs/raindrop/client-side-raindrop/user-account-management/check-if-username-is-taken.md)
- [Creating HydroIDs](/docs/raindrop/client-side-raindrop/user-account-management/creating-hydroids.md): https://rinkeby.etherscan.io/address/0xb29778Cf8abFFF8BF245b9060CD2299ADb358040#writeContract
- [Creating HydroIDs (delegated)](/docs/raindrop/client-side-raindrop/user-account-management/creating-hydroids-delegated.md): https://rinkeby.etherscan.io/address/0xb29778Cf8abFFF8BF245b9060CD2299ADb358040#writeContract
- [Deleting Users](/docs/raindrop/client-side-raindrop/user-account-management/deleting-users.md)