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@@ -26,8 +26,8 @@ Submarine swaps don't scale. From sweeping funds to opening a channel, overall p
## Specification ## Specification
This BDS proposes a replacement for submarine swaps; silent swaps. Silent swaps are effectively a specialized form of submarine swaps, however, built in mind with scaling and privacy. Silent swaps utilize a channel factory approach to save massively on fees and space and use ECDH to enable offline receiving while preserving recipient privacy. This BDS proposes a replacement for submarine swaps; silent swaps. Silent swaps are effectively a specialized form of submarine swaps, however, built in mind with scaling and privacy. Silent swaps utilize a channel factory approach to save massively on fees and space and use ECDH to enable offline receiving while preserving recipient privacy.
The sender non-interactively pays the recipient based on their dedicated Nostr pubkey npub without revealing the npub itself, similar to silent payments. The recipient can get paid without inbound liquidity issues, doesn't need to remain online to receive, and their npub is not doxxed to the rest of the network. The sender non-interactively pays the recipient based on their dedicated Nostr pubkey [npub](https://github.com/nostr-protocol/nips/blob/329cd8d8a19fd1dcb12df7eb7a5d640b2a5b6bf8/19.md?plain=1#L19) without revealing the npub itself, similar to [silent payments](https://gist.github.com/RubenSomsen/c43b79517e7cb701ebf77eec6dbb46b8). The recipient can get paid without inbound liquidity issues, doesn't need to remain online to receive, and their npub is not doxxed to the rest of the network.
When a sender wants to pay the recipient, the sender initiates a swap-in payment through a specialized submarine service provided by TBD wallet SSP. Here's how it's done step-by-step: When a sender wants to pay the recipient, the sender initiates a swap-in payment through a specialized submarine service provided by BitsApp SSP. Here's how it's done step-by-step:
### 1. The sender first generates a preimage and a tweaked destination: ### 1. The sender first generates a preimage and a tweaked destination:
* Where the recipient npub is `R = r*G` , and the sender npub is `S = s*G`. * Where the recipient npub is `R = r*G` , and the sender npub is `S = s*G`.