# Cashu

> Chaumian ecash protocol on Bitcoin/Lightning used for private agent micropayments

Canonical: https://satsforbots.com/tool/cashu/

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## Cashu
[Protocols](https://satsforbots.com/category/protocols/)

Chaumian ecash protocol on Bitcoin/Lightning used for private agent micropayments
[Visit Cashu ↗](https://cashu.space)

 | Website | [https://cashu.space](https://cashu.space)
 | Category | Protocols
 | Last verified | 2026-10-16

## Related
[Protocols](https://satsforbots.com/category/protocols/)
### [L402 Protocol Spec](https://satsforbots.com/tool/l402-protocol-spec/)
Specification for HTTP 402 Lightning payment authentication with macaroons

[Protocols](https://satsforbots.com/category/protocols/)
### [Nostr Wallet Connect (NWC)](https://satsforbots.com/tool/nostr-wallet-connect-nwc/)
Open protocol for apps and agents to control a remote Lightning wallet with scoped permissions
