These documents each specify parts of the Cashu protocol.
A description of the steps of the protocol is given in the Cashu wallet specs.
Wallets and mints MUST implement all mandatory specs and CAN implement optional specs.
| # | Description | Wallets | Mints |
|---|---|---|---|
| 00 | Cryptography and Models | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| 01 | Mint public keys | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| 02 | Keysets and keyset IDs | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| 03 | Request minting | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| 04 | Minting tokens | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| 05 | Melting tokens | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| 06 | Splitting tokens | Nutshell, Feni, Cashu.Me, Nutstash, JS | Nutshell, Feni, LNbits |
| # | Description | Wallets | Mints |
|---|---|---|---|
| 07 | Token spendable check | Nutshell, Feni, Cashu.Me, Nutstash | Nutshell, Feni, LNbits |
| 08 | Overpaid Lightning fees | Nutshell, Feni, Cashu.Me, Nutstash | Nutshell, LNbits |
| 09 | Mint info | - | Nutshell |
| TBD | Multimint support | Nutshell, Cashu.Me, Nutstash | N/A |
| TBD | DLEQ proofs | - | - |
| TBD | Bitcoin script | Nutshell | Nutshell |
| TBD | Token version prefixes | - | N/A |
| TBD | Cashu URI | - | N/A |
| TBD | Mint LN swap | Cashu.Me, Nutstash | N/A |
| TBD | Token comment | - | N/A |
| TBD | Token sender information | - | N/A |
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