My next step in the cashu spilman channel will be a 'client ...

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2026-03-28T19:55:27Z

My next step in the cashu spilman channel will be a 'client proxy' and a 'server proxy'. The server proxy will sit in front of typical services like Nostr relays or Blossom, but they will enforce payment and will raise 402 errors if the payment is missing

Similarly, the client proxy will run on your device to insert the payment into the request before it's send to the server

Blossom seems like a good place to start, to charge for uploading; I checked a few details about the protocol today, BUD-02 allows to upload to one server (the server proxy) where the server proxy will 'redirect' the client to the real Blossom server for future reading, and I think that typical Nostr clients will 'do the right thing' when they are behind the proxy

It should be easy for us to extend the functionality of this 'server proxy' over time. Nostr and Blossom today, but it could wrap other things in future

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