diff --git a/Cargo.lock b/Cargo.lock
index b132544c..b38c38e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -235,12 +235,56 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "anstream"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
 [[package]]
 name = "anstyle"
 version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
 
+[[package]]
+name = "anstyle-parse"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52ce7f38b242319f7cabaa6813055467063ecdc9d355bbb4ce0c68908cd8130e"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
+dependencies = [
+ "anstyle",
+ "once_cell_polyfill",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.104"
@@ -520,7 +564,7 @@ dependencies = [
  "tokio-happy-eyeballs",
  "tokio-rustls",
  "tokio-socks",
- "tokio-tungstenite",
+ "tokio-tungstenite 0.28.0",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
@@ -676,6 +720,21 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
+[[package]]
+name = "base58ck"
+version = "0.1.101"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "365c0acd5b2e8dd0111a46c4faea83fb3cfb6e39a49a7c73a06e090db7b2eff0"
+dependencies = [
+ "bitcoin_hashes 0.14.101",
+]
+
 [[package]]
 name = "base62"
 version = "2.2.6"
@@ -688,6 +747,12 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -706,6 +771,12 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
+[[package]]
+name = "bech32"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32637268377fc7b10a8c6d51de3e7fba1ce5dd371a96e342b34e6078db558e7f"
+
 [[package]]
 name = "bech32"
 version = "0.12.0"
@@ -737,6 +808,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90dbd31c98227229239363921e60fcf5e558e43ec69094d46fc4996f08d1d5bc"
 dependencies = [
  "bitcoin_hashes 0.14.101",
+ "rand 0.8.8",
+ "rand_core 0.6.4",
  "serde",
  "unicode-normalization",
 ]
@@ -762,6 +835,24 @@ version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
 
+[[package]]
+name = "bitcoin"
+version = "0.32.102"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0ce8bd5baaa0d303a19915a6d93afed161f528654e42da2a7a97d05c59499a"
+dependencies = [
+ "base58ck",
+ "base64 0.21.7",
+ "bech32 0.11.1",
+ "bitcoin-io",
+ "bitcoin-units",
+ "bitcoin_hashes 0.14.101",
+ "hex-conservative 0.2.3",
+ "hex_lit",
+ "secp256k1 0.29.1",
+ "serde",
+]
+
 [[package]]
 name = "bitcoin-consensus-encoding"
 version = "1.3.0"
@@ -794,6 +885,27 @@ dependencies = [
  "bitcoin-consensus-encoding",
 ]
 
+[[package]]
+name = "bitcoin-payment-instructions"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29f5b43b0e8338cd36ce7940bd6b8a007d54f1cbe25314ec3fbba566f870b085"
+dependencies = [
+ "bitcoin",
+ "lightning",
+ "lightning-invoice",
+]
+
+[[package]]
+name = "bitcoin-units"
+version = "0.1.101"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cb95693f371d089a4b5b6fc41c6f3ea6e01ee8c15388335dfac8ea685173b51"
+dependencies = [
+ "bitcoin-consensus-encoding",
+ "serde",
+]
+
 [[package]]
 name = "bitcoin_hashes"
 version = "0.14.101"
@@ -802,6 +914,7 @@ checksum = "bca4c7abb40c8817d77403c880988cfd484f23ab2365726afb2f798363e2c4a2"
 dependencies = [
  "bitcoin-io",
  "hex-conservative 0.2.3",
+ "serde",
 ]
 
 [[package]]
@@ -831,6 +944,22 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "bitreq"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2118ef89c7d94696800407a4b0e555da52d36a791f522c3b98d7cceff9b45f51"
+dependencies = [
+ "base64 0.22.1",
+ "rustls",
+ "rustls-webpki",
+ "serde",
+ "serde_json",
+ "tokio",
+ "tokio-rustls",
+ "webpki-roots 1.0.11",
+]
+
 [[package]]
 name = "bitstream-io"
 version = "4.10.0"
@@ -1019,6 +1148,30 @@ dependencies = [
  "wayland-client",
 ]
 
+[[package]]
+name = "cashu"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "bitcoin",
+ "cbor-diag",
+ "ciborium",
+ "lightning",
+ "lightning-invoice",
+ "serde",
+ "serde_bytes",
+ "serde_json",
+ "serde_with",
+ "thiserror 2.0.21",
+ "tracing",
+ "unicode-normalization",
+ "ur",
+ "url",
+ "uuid",
+ "web-time",
+ "zeroize",
+]
+
 [[package]]
 name = "castaway"
 version = "0.2.4"
@@ -1055,6 +1208,25 @@ dependencies = [
  "toml 0.8.23",
 ]
 
+[[package]]
+name = "cbor-diag"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc245b6ecd09b23901a4fbad1ad975701fd5061ceaef6afa93a2d70605a64429"
+dependencies = [
+ "bs58",
+ "chrono",
+ "data-encoding",
+ "half",
+ "nom 7.1.3",
+ "num-bigint",
+ "num-rational",
+ "num-traits",
+ "separator",
+ "url",
+ "uuid",
+]
+
 [[package]]
 name = "cc"
 version = "1.10.0"
@@ -1067,6 +1239,146 @@ dependencies = [
  "shlex 2.0.1",
 ]
 
+[[package]]
+name = "cdk"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "anyhow",
+ "arc-swap",
+ "async-trait",
+ "bitcoin",
+ "bitcoin-payment-instructions",
+ "cdk-common",
+ "cdk-http-client",
+ "cdk-signatory",
+ "futures",
+ "getrandom 0.4.3",
+ "gloo-timers",
+ "lightning",
+ "lightning-invoice",
+ "ring",
+ "rustls",
+ "serde",
+ "serde_json",
+ "thiserror 2.0.21",
+ "tokio",
+ "tokio-util",
+ "tracing",
+ "url",
+ "uuid",
+ "web-time",
+ "zeroize",
+]
+
+[[package]]
+name = "cdk-common"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "bitcoin",
+ "cashu",
+ "cdk-http-client",
+ "futures",
+ "getrandom 0.4.3",
+ "gloo-timers",
+ "jsonwebtoken",
+ "lightning",
+ "lightning-invoice",
+ "parking_lot",
+ "paste",
+ "serde",
+ "serde_json",
+ "thiserror 2.0.21",
+ "tokio",
+ "tonic",
+ "tracing",
+ "url",
+ "uuid",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-time",
+]
+
+[[package]]
+name = "cdk-http-client"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "async-trait",
+ "bitreq",
+ "cashu",
+ "futures",
+ "futures-channel",
+ "getrandom 0.4.3",
+ "js-sys",
+ "regex",
+ "rustls",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "thiserror 2.0.21",
+ "tokio-tungstenite 0.26.2",
+ "tracing",
+ "url",
+ "uuid",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
+[[package]]
+name = "cdk-nostr"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "nostr",
+ "nostr-sdk",
+ "thiserror 2.0.21",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "cdk-redb"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "async-trait",
+ "cdk-common",
+ "redb",
+ "serde",
+ "serde_json",
+ "thiserror 2.0.21",
+ "tracing",
+ "uuid",
+]
+
+[[package]]
+name = "cdk-signatory"
+version = "0.18.0"
+source = "git+https://github.com/cashubtc/cdk#578e719fbf683871a8480961627700f01f3ee7ee"
+dependencies = [
+ "anyhow",
+ "arc-swap",
+ "async-trait",
+ "bip39",
+ "bitcoin",
+ "cdk-common",
+ "clap",
+ "getrandom 0.4.3",
+ "home",
+ "rustls",
+ "thiserror 2.0.21",
+ "tokio",
+ "tokio-stream",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "cesu8"
 version = "1.1.0"
@@ -1188,6 +1500,33 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
+[[package]]
+name = "ciborium"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
+dependencies = [
+ "ciborium-io",
+ "ciborium-ll",
+ "serde",
+]
+
+[[package]]
+name = "ciborium-io"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
+
+[[package]]
+name = "ciborium-ll"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
+dependencies = [
+ "ciborium-io",
+ "half",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -1221,6 +1560,46 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "clap"
+version = "4.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa8876b300ab35ba921adea3dfd70157a46249b33f95c9084ae5709785478946"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0797fb7aeb1406c84efac526901f7ec3ead2124f946b494e72879d4b54704d"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9c751b79415d4e559e3d1fcf128e09e720eb673a06d26cf6f392d37d75b66e0"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "syn 3.0.9",
+]
+
+[[package]]
+name = "clap_lex"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c133bc6a41be0d194c306b5506d15e6feeea7b1d6604bd3f8310dfb2ca96486"
+
 [[package]]
 name = "cmake"
 version = "0.1.58"
@@ -1283,6 +1662,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
 
+[[package]]
+name = "colorchoice"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
+
 [[package]]
 name = "combine"
 version = "4.6.9"
@@ -1360,6 +1745,12 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
 [[package]]
 name = "const-oid"
 version = "0.10.2"
@@ -1445,6 +1836,7 @@ dependencies = [
  "native-theme-gpui",
  "nip29",
  "nip4e",
+ "nip60",
  "nostr-sdk",
  "person",
  "settings",
@@ -1685,6 +2077,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "217698eaf96b4a3f0bc4f3662aaa55bdf913cd54d7204591faa790070c6d0853"
+
 [[package]]
 name = "crc32fast"
 version = "1.5.3"
@@ -1734,6 +2141,18 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
 
+[[package]]
+name = "crypto-bigint"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
+dependencies = [
+ "generic-array",
+ "rand_core 0.6.4",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.7"
@@ -1782,6 +2201,33 @@ dependencies = [
  "cmov",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.2.17",
+ "curve25519-dalek-derive",
+ "digest 0.10.7",
+ "fiat-crypto",
+ "rustc_version",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
 [[package]]
 name = "daachorse"
 version = "3.0.3"
@@ -1938,13 +2384,24 @@ dependencies = [
  "syn 3.0.9",
 ]
 
+[[package]]
+name = "der"
+version = "0.7.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7c1832837b905bbfb5101e07cc24c8deddf52f93225eee6ead5f4d63d53ddcb"
+dependencies = [
+ "const-oid 0.9.6",
+ "pem-rfc7468 0.7.0",
+ "zeroize",
+]
+
 [[package]]
 name = "der"
 version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a996a108feb8b427a6e12fcf6af4aa83409b79d72c15337d7741368131ee004"
 dependencies = [
- "pem-rfc7468",
+ "pem-rfc7468 1.0.0",
  "zeroize",
 ]
 
@@ -2018,6 +2475,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer 0.10.4",
+ "const-oid 0.9.6",
  "crypto-common 0.1.7",
  "subtle",
 ]
@@ -2029,7 +2487,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
 dependencies = [
  "block-buffer 0.12.1",
- "const-oid",
+ "const-oid 0.10.2",
  "crypto-common 0.2.2",
  "ctutils",
 ]
@@ -2113,6 +2571,15 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "dnssec-prover"
+version = "0.6.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9468f1a08c50bd1e5ad91b151e11ce8e806f8fa1c1eb9b07f66c7011de45a2e"
+dependencies = [
+ "bitcoin_hashes 0.14.101",
+]
+
 [[package]]
 name = "document-features"
 version = "0.2.12"
@@ -2182,18 +2649,77 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
 
+[[package]]
+name = "ecdsa"
+version = "0.16.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
+dependencies = [
+ "der 0.7.10",
+ "digest 0.10.7",
+ "elliptic-curve",
+ "rfc6979",
+ "signature",
+ "spki",
+]
+
+[[package]]
+name = "ed25519"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
+dependencies = [
+ "pkcs8",
+ "signature",
+]
+
 [[package]]
 name = "ed25519-compact"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1454db4f2edb7f0e8fe0c5b375b0c978fc63244cc9f010d160e417eb10139aa8"
 
+[[package]]
+name = "ed25519-dalek"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "serde",
+ "sha2 0.10.9",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "either"
 version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e9c71c2167ca323c882b99918929403426e2373ea17242ff5653e0d5e1058be"
 
+[[package]]
+name = "elliptic-curve"
+version = "0.13.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
+dependencies = [
+ "base16ct",
+ "crypto-bigint",
+ "digest 0.10.7",
+ "ff",
+ "generic-array",
+ "group",
+ "hkdf",
+ "pem-rfc7468 0.7.0",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "sec1",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "embed-resource"
 version = "3.0.12"
@@ -2458,6 +2984,22 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "ff"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0b50bfb653653f9ca9095b427bed08ab8d75a137839d9ad64eb11810d5b6393"
+dependencies = [
+ "rand_core 0.6.4",
+ "subtle",
+]
+
+[[package]]
+name = "fiat-crypto"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
+
 [[package]]
 name = "filedescriptor"
 version = "0.8.3"
@@ -2795,6 +3337,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -3683,6 +4226,17 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "h2"
 version = "0.4.20"
@@ -3742,6 +4296,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -3864,6 +4424,12 @@ dependencies = [
  "arrayvec",
 ]
 
+[[package]]
+name = "hex_lit"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3011d1213f159867b13cfd6ac92d2cd5f1345762c63be3554e84092d85a50bbd"
+
 [[package]]
 name = "hkdf"
 version = "0.12.4"
@@ -3897,6 +4463,15 @@ version = "1.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ad320b3b96fb2a455a0726d16efe0a5afdbd34b71dea5bc53b05ea057714d4e"
 
+[[package]]
+name = "home"
+version = "0.5.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc627f471c528ff0c4a49e1d5e60450c8f6461dd6d10ba9dcd3a61d3dff7728d"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "hound"
 version = "3.5.1"
@@ -4398,6 +4973,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "is_terminal_polyfill"
+version = "1.70.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
+
 [[package]]
 name = "itertools"
 version = "0.11.0"
@@ -4580,6 +5161,30 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "jsonwebtoken"
+version = "10.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eba32bfb4ffdeaca3e34431072faf01745c9b26d25504aa7a6cf5684334fc4fc"
+dependencies = [
+ "base64 0.22.1",
+ "ed25519-dalek",
+ "getrandom 0.2.17",
+ "hmac 0.12.1",
+ "js-sys",
+ "p256",
+ "p384",
+ "pem",
+ "rand 0.8.8",
+ "rsa",
+ "serde",
+ "serde_json",
+ "sha2 0.10.9",
+ "signature",
+ "simple_asn1",
+ "zeroize",
+]
+
 [[package]]
 name = "khronos-egl"
 version = "6.0.0"
@@ -4645,6 +5250,9 @@ name = "lazy_static"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20870f649af7073d53e38067b2a84312175d56ea15217e1b15bc83506ec50afb"
+dependencies = [
+ "spin 0.9.9",
+]
 
 [[package]]
 name = "lebe"
@@ -4704,6 +5312,55 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "lightning"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "982ffb82e8362ea95e03a5de8a6004bceb7a577fc1f07d5b02cfc3fc7c930a90"
+dependencies = [
+ "bech32 0.11.1",
+ "bitcoin",
+ "dnssec-prover",
+ "hashbrown 0.13.2",
+ "libm",
+ "lightning-invoice",
+ "lightning-macros",
+ "lightning-types",
+ "possiblyrandom",
+]
+
+[[package]]
+name = "lightning-invoice"
+version = "0.34.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47d83bd798e04ab9eecc8bbef1fa17d3808859bcdc0406bd16c55d51c8834444"
+dependencies = [
+ "bech32 0.11.1",
+ "bitcoin",
+ "lightning-types",
+ "serde",
+]
+
+[[package]]
+name = "lightning-macros"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4c717494cdc2c8bb85bee7113031248f5f6c64f8802b33c1c9e2d98e594aa71"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "lightning-types"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c77c676d4a34cceb2ae3756916e446b4d17f9430a24107e099981f0f9aec77e6"
+dependencies = [
+ "bitcoin",
+]
+
 [[package]]
 name = "linebender_resource_handle"
 version = "0.1.1"
@@ -5053,6 +5710,15 @@ dependencies = [
  "xml5ever",
 ]
 
+[[package]]
+name = "matchers"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1525a2a28c7f4fa0fc98bb91ae755d1e2d1505079e05539e35bc876b5d65ae9"
+dependencies = [
+ "regex-automata",
+]
+
 [[package]]
 name = "matrixmultiply"
 version = "0.3.11"
@@ -5138,6 +5804,12 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "minicbor"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7244eafd1e09e7c4e33043881997aa6ab6dffff3ed2cee3395a278980481d6e"
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -5455,6 +6127,18 @@ dependencies = [
  "ui",
 ]
 
+[[package]]
+name = "nip60"
+version = "2.0.0-alpha3"
+dependencies = [
+ "cdk",
+ "cdk-nostr",
+ "cdk-redb",
+ "gpui-pre",
+ "nostr",
+ "nostr-sdk",
+]
+
 [[package]]
 name = "no_std_io2"
 version = "0.9.4"
@@ -5511,7 +6195,7 @@ source = "git+https://github.com/rust-nostr/nostr#37f139dfbb0a5c5f879cb052df7376
 dependencies = [
  "aes",
  "base64 0.22.1",
- "bech32",
+ "bech32 0.12.0",
  "bip39",
  "bitcoin_hashes 1.2.0",
  "cbc",
@@ -5521,7 +6205,7 @@ dependencies = [
  "opaquerr 0.2.0",
  "rand 0.10.3",
  "scrypt",
- "secp256k1",
+ "secp256k1 0.30.0",
  "serde",
  "serde_json",
  "unicode-normalization",
@@ -5744,6 +6428,22 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-bigint-dig"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e661dda6640fad38e827a6d4a310ff4763082116fe217f279885c97f511bb0b7"
+dependencies = [
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand 0.8.8",
+ "smallvec",
+ "zeroize",
+]
+
 [[package]]
 name = "num-bigint-dig"
 version = "0.9.1"
@@ -6282,6 +6982,12 @@ version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
+[[package]]
+name = "once_cell_polyfill"
+version = "1.70.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
+
 [[package]]
 name = "onig"
 version = "6.5.3"
@@ -6327,7 +7033,7 @@ dependencies = [
  "hmac 0.12.1",
  "md-5",
  "num",
- "num-bigint-dig",
+ "num-bigint-dig 0.9.1",
  "pbkdf2 0.12.2",
  "serde",
  "serde_bytes",
@@ -6468,6 +7174,30 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "p256"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
+dependencies = [
+ "ecdsa",
+ "elliptic-curve",
+ "primeorder",
+ "sha2 0.10.9",
+]
+
+[[package]]
+name = "p384"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe42f1670a52a47d448f14b6a5c61dd78fce51856e68edaa38f7ae3a46b8d6b6"
+dependencies = [
+ "ecdsa",
+ "elliptic-curve",
+ "primeorder",
+ "sha2 0.10.9",
+]
+
 [[package]]
 name = "page_size"
 version = "0.6.0"
@@ -6580,6 +7310,25 @@ dependencies = [
  "hmac 0.13.0",
 ]
 
+[[package]]
+name = "pem"
+version = "3.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d30c53c26bc5b31a98cd02d20f25a7c8567146caf63ed593a9d87b2775291be"
+dependencies = [
+ "base64 0.22.1",
+ "serde_core",
+]
+
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "1.0.0"
@@ -6749,6 +7498,27 @@ dependencies = [
  "futures-io",
 ]
 
+[[package]]
+name = "pkcs1"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der 0.7.10",
+ "pkcs8",
+ "spki",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der 0.7.10",
+ "spki",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.34"
@@ -6854,6 +7624,15 @@ dependencies = [
  "portable-atomic",
 ]
 
+[[package]]
+name = "possiblyrandom"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c564dbf654befd49035528299f1208a40508f6e07efb11c163444e304e4484f"
+dependencies = [
+ "getrandom 0.2.17",
+]
+
 [[package]]
 name = "potential_utf"
 version = "0.1.6"
@@ -6899,6 +7678,15 @@ dependencies = [
  "num-integer",
 ]
 
+[[package]]
+name = "primeorder"
+version = "0.13.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "353e1ca18966c16d9deb1c69278edbc5f194139612772bd9537af60ac231e1e6"
+dependencies = [
+ "elliptic-curve",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "3.5.0"
@@ -7151,6 +7939,15 @@ dependencies = [
  "rand_core 0.10.1",
 ]
 
+[[package]]
+name = "rand_xoshiro"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "662effc7698e08ea324d3acccf8d9d7f7bf79b9785e270a174ea36e56900c91d"
+dependencies = [
+ "rand_core 0.10.1",
+]
+
 [[package]]
 name = "range-alloc"
 version = "0.1.5"
@@ -7314,6 +8111,15 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03251193000f4bd3b042892be858ee50e8b3719f2b08e5833ac4353724632430"
 
+[[package]]
+name = "redb"
+version = "3.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ba239c1c1693315d3cc0e601db3b3965543afbf48c41730fdca2f069f510f4a"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
@@ -7474,6 +8280,16 @@ dependencies = [
  "zune-jpeg 0.5.15",
 ]
 
+[[package]]
+name = "rfc6979"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
+dependencies = [
+ "hmac 0.12.1",
+ "subtle",
+]
+
 [[package]]
 name = "rgb"
 version = "0.8.53"
@@ -7521,6 +8337,26 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "rsa"
+version = "0.9.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8573f03f5883dcaebdfcf4725caa1ecb9c15b2ef50c43a07b816e06799bb12d"
+dependencies = [
+ "const-oid 0.9.6",
+ "digest 0.10.7",
+ "num-bigint-dig 0.8.6",
+ "num-integer",
+ "num-traits",
+ "pkcs1",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "signature",
+ "spki",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rsqlite-vfs"
 version = "0.1.1"
@@ -7941,6 +8777,32 @@ dependencies = [
  "syn 3.0.9",
 ]
 
+[[package]]
+name = "sec1"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
+dependencies = [
+ "base16ct",
+ "der 0.7.10",
+ "generic-array",
+ "pkcs8",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "secp256k1"
+version = "0.29.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9465315bc9d4566e1724f0fffcbcc446268cb522e60f9a27bcded6b19c108113"
+dependencies = [
+ "bitcoin_hashes 0.14.101",
+ "rand 0.8.8",
+ "secp256k1-sys",
+ "serde",
+]
+
 [[package]]
 name = "secp256k1"
 version = "0.30.0"
@@ -8000,6 +8862,12 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "separator"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f97841a747eef040fcd2e7b3b9a220a7205926e60488e673d9e4926d27772ce5"
+
 [[package]]
 name = "serde"
 version = "1.0.229"
@@ -8253,6 +9121,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest 0.10.7",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.10"
@@ -8294,6 +9172,18 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "simple_asn1"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d585997b0ac10be3c5ee635f1bab02d512760d14b7c468801ac8a01d9ae5f1d"
+dependencies = [
+ "num-bigint",
+ "num-traits",
+ "thiserror 2.0.21",
+ "time",
+]
+
 [[package]]
 name = "simplecss"
 version = "0.2.2"
@@ -8436,6 +9326,16 @@ dependencies = [
  "bitflags 2.13.2",
 ]
 
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der 0.7.10",
+]
+
 [[package]]
 name = "spm_precompiled"
 version = "0.1.4"
@@ -9005,7 +9905,9 @@ dependencies = [
  "bytes",
  "libc",
  "mio",
+ "parking_lot",
  "pin-project-lite",
+ "signal-hook-registry",
  "socket2",
  "tokio-macros",
  "windows-sys 0.61.2",
@@ -9065,6 +9967,22 @@ dependencies = [
  "tokio-util",
 ]
 
+[[package]]
+name = "tokio-tungstenite"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a9daff607c6d2bf6c16fd681ccb7eecc83e4e2cdc1ca067ffaadfca5de7f084"
+dependencies = [
+ "futures-util",
+ "log",
+ "rustls",
+ "rustls-native-certs",
+ "rustls-pki-types",
+ "tokio",
+ "tokio-rustls",
+ "tungstenite 0.26.2",
+]
+
 [[package]]
 name = "tokio-tungstenite"
 version = "0.28.0"
@@ -9077,7 +9995,7 @@ dependencies = [
  "rustls-pki-types",
  "tokio",
  "tokio-rustls",
- "tungstenite",
+ "tungstenite 0.28.0",
  "webpki-roots 0.26.11",
 ]
 
@@ -9187,6 +10105,27 @@ version = "1.1.3+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06bdbd8cfc056b8d2e2e85f29b56a3bdbecb527cef81eb39e3e7b98af4652770"
 
+[[package]]
+name = "tonic"
+version = "0.14.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2cdfc673aabd30fe8fee92e65837b644c37c5d47f0f97ae6d5e0f1237d15e1b"
+dependencies = [
+ "base64 0.22.1",
+ "bytes",
+ "http",
+ "http-body",
+ "http-body-util",
+ "percent-encoding",
+ "pin-project",
+ "sync_wrapper",
+ "tokio-stream",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower"
 version = "0.5.3"
@@ -9282,10 +10221,14 @@ version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb7f578e5945fb242538965c2d0b04418d38ec25c79d160cd279bf0731c8d319"
 dependencies = [
+ "matchers",
  "nu-ansi-term",
+ "once_cell",
+ "regex-automata",
  "sharded-slab",
  "smallvec",
  "thread_local",
+ "tracing",
  "tracing-core",
  "tracing-log",
 ]
@@ -9364,6 +10307,25 @@ dependencies = [
  "zbus",
 ]
 
+[[package]]
+name = "tungstenite"
+version = "0.26.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4793cb5e56680ecbb1d843515b23b6de9a75eb04b66643e256a396d43be33c13"
+dependencies = [
+ "bytes",
+ "data-encoding",
+ "http",
+ "httparse",
+ "log",
+ "rand 0.9.5",
+ "rustls",
+ "rustls-pki-types",
+ "sha1",
+ "thiserror 2.0.21",
+ "utf-8",
+]
+
 [[package]]
 name = "tungstenite"
 version = "0.28.0"
@@ -9545,6 +10507,18 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
+[[package]]
+name = "ur"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28bccbac381852c37efd0217ce8c96742e5cf22f6dbb2a4f0f51418c7f3ab980"
+dependencies = [
+ "bitcoin_hashes 1.2.0",
+ "crc",
+ "minicbor",
+ "rand_xoshiro",
+]
+
 [[package]]
 name = "ureq"
 version = "3.5.0"
@@ -9553,7 +10527,7 @@ checksum = "cde93ff05758a36a851a398a772b0b79a82fbe3c186a46f2696baaeaf84c966b"
 dependencies = [
  "base64 0.23.1",
  "cookie_store",
- "der",
+ "der 0.8.3",
  "log",
  "native-tls",
  "percent-encoding",
@@ -9665,6 +10639,12 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+
 [[package]]
 name = "uuid"
 version = "1.29.0"
diff --git a/Cargo.toml b/Cargo.toml
index 48581112..b1bf19bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ nostr-connect = { git = "https://github.com/rust-nostr/nostr" }
 nostr-browser-signer = { git = "https://github.com/rust-nostr/nostr" }
 nostr-sdk = { git = "https://github.com/rust-nostr/nostr" }
 nostr-sqlite = { git = "https://github.com/rust-nostr/nostr" }
-nostr = { git = "https://github.com/rust-nostr/nostr", features = [ "nip59", "nip49", "nip44", "nip98" ] }
+nostr = { git = "https://github.com/rust-nostr/nostr", features = [ "nip59", "nip49", "nip44", "nip60", "nip98" ] }
 
 # Crypto (NIP-17 encrypted file messages)
 aes-gcm = "0.10"
@@ -48,6 +48,14 @@ hmac = "0.12"
 # Pinned to the instance `nostr-sdk` already builds, so NIP-44 nonces share it
 rand = { version = "0.10", default-features = false, features = [ "std", "sys_rng", "thread_rng" ] }
 
+# Cashu (NIP-60). From git: the published 0.18.x line targets nostr 0.44 and
+# cannot unify with the git rust-nostr used here, while main targets 0.45.x
+# (redirected to this repo by the [patch.crates-io] section below). redb
+# storage: pure Rust, avoids the libsqlite3-sys links clash with nostr-sqlite.
+cdk = { git = "https://github.com/cashubtc/cdk", default-features = false, features = [ "wallet" ] }
+cdk-redb = { git = "https://github.com/cashubtc/cdk", default-features = false, features = [ "wallet" ] }
+cdk-nostr = { git = "https://github.com/cashubtc/cdk", default-features = false }
+
 # Others
 anyhow = "1.0.44"
 tts = { git = "https://github.com/ndarilek/tts-rs" }
@@ -66,6 +74,12 @@ webbrowser = "1.0.4"
 tracing-subscriber = { version = "0.3.18", features = ["fmt"] }
 instant = "0.1"
 
+# cdk's registry nostr/nostr-sdk requirements are redirected onto the same
+# git repo coop already uses, keeping a single copy of each in the graph.
+[patch.crates-io]
+nostr = { git = "https://github.com/rust-nostr/nostr" }
+nostr-sdk = { git = "https://github.com/rust-nostr/nostr" }
+
 [profile.release]
 strip = true
 opt-level = "z"
diff --git a/crates/nip60/Cargo.toml b/crates/nip60/Cargo.toml
new file mode 100644
index 00000000..13002034
--- /dev/null
+++ b/crates/nip60/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "nip60"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+gpui.workspace = true
+nostr.workspace = true
+nostr-sdk.workspace = true
+
+cdk.workspace = true
+cdk-redb.workspace = true
+cdk-nostr.workspace = true
diff --git a/crates/nip60/src/lib.rs b/crates/nip60/src/lib.rs
new file mode 100644
index 00000000..8c0aad9e
--- /dev/null
+++ b/crates/nip60/src/lib.rs
@@ -0,0 +1,49 @@
+#![cfg(not(target_arch = "wasm32"))]
+
+use gpui::App;
+use nostr::prelude::*;
+
+/// Initialize the wallet registry.
+pub fn init(_cx: &mut App) {}
+
+/// Compile-only phase 0 spike: proves the `nostr::nips::nip60` types, kinds,
+/// and the cdk crates resolve against the workspace's git nostr. Replaced by
+/// the real implementation.
+#[allow(dead_code)]
+fn spike() {
+    let _kinds = (
+        Kind::CashuWallet,
+        Kind::CashuWalletUnspentProof,
+        Kind::CashuWalletSpendingHistory,
+        Kind::CashuWalletQuote,
+    );
+
+    let _history =
+        nostr::nips::nip60::SpendingHistory::new(nostr::nips::nip60::TransactionDirection::In, 1);
+    let _builder = cdk::wallet::WalletBuilder::new();
+    let _store: Option<cdk_redb::WalletRedbDatabase> = None;
+    let _inbox: Option<cdk_nostr::inbox::NostrInbox> = None;
+
+    if let Ok(mint) = nostr::types::Url::parse("https://mint.example.com") {
+        let proof = nostr::nips::nip60::CashuProof {
+            id: String::new(),
+            amount: 1,
+            secret: String::new(),
+            c: String::new(),
+        };
+        let _wallet_event = nostr::nips::nip60::WalletEvent::new("privkey", vec![mint.clone()]);
+        let _token_event =
+            nostr::nips::nip60::TokenEvent::new(mint, vec![proof]).destroyed("id".to_string());
+    }
+}
+
+/// Only compiles when `nostr` and `cdk_nostr` resolve to the same crate.
+#[allow(dead_code)]
+fn spike_unified(key: nostr::key::SecretKey) -> cdk_nostr::nostr::key::SecretKey {
+    key
+}
+
+#[allow(dead_code)]
+fn spike_sdk_unified(client: nostr_sdk::client::Client) -> cdk_nostr::nostr_sdk::client::Client {
+    client
+}
diff --git a/desktop/Cargo.toml b/desktop/Cargo.toml
index e2bd9ebf..6c710c20 100644
--- a/desktop/Cargo.toml
+++ b/desktop/Cargo.toml
@@ -37,6 +37,7 @@ workspace = { path = "../crates/workspace" }
 ui = { path = "../crates/ui" }
 state = { path = "../crates/state" }
 nip4e = { path = "../crates/nip4e" }
+nip60 = { path = "../crates/nip60" }
 chat = { path = "../crates/chat" }
 chat_ui = { path = "../crates/chat_ui" }
 nip29 = { path = "../crates/nip29" }
diff --git a/desktop/src/main.rs b/desktop/src/main.rs
index f1e34dcd..5a2e3665 100644
--- a/desktop/src/main.rs
+++ b/desktop/src/main.rs
@@ -91,6 +91,11 @@ fn main() {
             // NIP-4e: https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md
             nip4e::init(cx);
 
+            // Initialize cashu wallet registry
+            //
+            // NIP-60: https://github.com/nostr-protocol/nips/blob/master/60.md
+            nip60::init(cx);
+
             // Initialize app registry
             chat::init(cx);
 
diff --git a/docs/nip60.md b/docs/nip60.md
index a6808eab..b4cdcbf0 100644
--- a/docs/nip60.md
+++ b/docs/nip60.md
@@ -1,7 +1,7 @@
 # NIP-60: cashu wallet — implementation plan
 
 Spec: https://github.com/nostr-protocol/nips/blob/master/60.md
-CDK: https://github.com/cashubtc/cdk (crates `cdk`, `cdk-sqlite`, `cdk-nostr` 0.18.x)
+CDK: https://github.com/cashubtc/cdk (crates `cdk`, `cdk-redb`, `cdk-nostr`, from git main)
 
 NIP-60 stores a user's cashu wallet state on relays: the wallet config
 (kind `17375`), its unspent proofs (kind `7375`), and an optional spending
@@ -50,7 +50,8 @@ Follows the existing crate patterns exactly; no new architecture.
   (runtime is already initialized by `state::init`). The `cdk-nostr`
   inbox listener also runs on that runtime.
 - Signer-agnostic encryption: the signer may be a bunker/extension, so we
-  never use `nostr::nip60::*::prepare` (they need an owned `SecretKey`).
+  never use `nostr::nips::nip60` prepare helpers (they need an owned
+  `SecretKey`).
   We build payloads as plain JSON, encrypt with
   `signer.nip44_encrypt(self_pubkey, json)` and sign with
   `EventBuilder::new(kind, content).finalize_async(signer)` — the same
@@ -72,31 +73,41 @@ Follows the existing crate patterns exactly; no new architecture.
 
 ## Dependencies
 
-Workspace `Cargo.toml`:
+Workspace `Cargo.toml` (final state after the phase 0 spike):
 
 ```toml
 nostr = { git = "https://github.com/rust-nostr/nostr", features = [ "nip59", "nip49", "nip44", "nip60", "nip98" ] }
 
+# Cashu (NIP-60). From git: the published 0.18.x line targets nostr 0.44 and
+# cannot unify with the git rust-nostr used here, while main targets 0.45.x
+cdk = { git = "https://github.com/cashubtc/cdk", default-features = false, features = [ "wallet" ] }
+cdk-redb = { git = "https://github.com/cashubtc/cdk", default-features = false, features = [ "wallet" ] }
+cdk-nostr = { git = "https://github.com/cashubtc/cdk", default-features = false }
+
 [patch.crates-io]
-# cdk publishes against crates.io nostr 0.45.x; coop uses the git source.
-# The patch unifies both on one copy of the crate so types cross crate
-# boundaries (cdk-nostr inbox events, keys) without conversion.
 nostr = { git = "https://github.com/rust-nostr/nostr" }
 nostr-sdk = { git = "https://github.com/rust-nostr/nostr" }
 ```
 
-`crates/nip60/Cargo.toml` (all under `cfg(not(wasm32))`):
+Spike findings (all resolved and verified with `cargo check`):
 
-```toml
-cdk = { version = "0.18", default-features = false, features = ["wallet"] }
-cdk-sqlite = { version = "0.18", default-features = false, features = ["wallet"] }
-cdk-nostr = { version = "0.18", default-features = false } # inbox, for NIP-61
-```
-
-Version-unification is the one risky step; Phase 0 is a spike that proves
-`cdk 0.18.x` + git rust-nostr build together. Fallback if the patch fights
-back: convert only at the cdk-nostr inbox boundary (hex/serde) and skip the
-patch for `nostr-sdk`.
+- The cdk family hard-pins `cdk-common` with `=` per release, so all crates
+  must come from one release train. crates.io 0.18.3 pins nostr 0.44 and
+  cannot coexist with coop's git nostr 0.45.x; the git main line pins
+  nostr ^0.45.3, which the `[patch.crates-io]` block redirects onto the
+  same git rust-nostr checkout. The lockfile ends with exactly one `nostr`
+  and one `nostr-sdk`, proven by compile-time type-identity checks between
+  `nostr` and `cdk_nostr::nostr`.
+- Storage is `cdk-redb` (`WalletRedbDatabase::new(&Path)`, pure Rust), not
+  `cdk-sqlite`: published cdk-sqlite pins rusqlite ^0.31, whose
+  `libsqlite3-sys` clashes at the `links` level with the `nostr-sqlite`
+  wasm dependency of the `state` crate.
+- rust-nostr 0.45.x has no root re-exports: the module is
+  `nostr::nips::nip60`, and cdk-nostr re-exports the SDK as
+  `cdk_nostr::nostr` / `cdk_nostr::nostr_sdk`.
+- The `nip60` crate exists (`crates/nip60`) with a compile-only spike in
+  `lib.rs` and a no-op `init(cx)` wired into `desktop/src/main.rs`; both
+  are replaced in phase 1.
 
 ## Design
 
@@ -116,7 +127,7 @@ patch for `nostr-sdk`.
 
 ### Local state
 
-- cdk sqlite store at `config_dir().join("cashu")` (one `WalletDatabase`
+- cdk redb store at `config_dir().join("cashu")` (one `WalletDatabase`
   shared by all mint wallets).
 - `WalletRegistry` holds: parsed `17375` (`WalletEvent` + event id), the
   active `7375` events per mint (event id + `TokenEvent`), cdk `Wallet`
@@ -173,13 +184,14 @@ the UI crate when Phase 3 lands).
 
 ## Phases
 
-### Phase 0 — dependency spike (small, throwaway)
+### Phase 0 — dependency spike (done)
 
-1. Enable `nip60` on the `nostr` workspace dep; confirm
-   `nostr::nip60` types and the four kinds compile.
-2. Add the `[patch.crates-io]` block and a scratch dependency on
-   `cdk`/`cdk-sqlite`/`cdk-nostr`; `cargo check` desktop. Resolve the
-   nostr unification here before writing any code.
+Outcome recorded in the Dependencies section: cdk family on git main,
+`[patch.crates-io]` unification, cdk-redb storage, `nip60` crate skeleton
+wired into desktop. `cargo check -p nip60` and the full desktop check pass.
+
+The remaining spike code in `crates/nip60/src/lib.rs` is deleted in
+phase 1.
 
 ### Phase 1 — bootstrap + load + balance
 
@@ -228,9 +240,13 @@ the UI crate when Phase 3 lands).
 - Concurrent spends from two devices double-spend; recovery is the spec's
   Appendix-1 validation (check proofs at the mint, roll over survivors) —
   implemented as reconciliation on sync, not real-time locking.
-- Web target gets no wallet in v1: `cdk-sqlite` (rusqlite bundled) does
-  not build on wasm32; the crate compiles to nothing there (auto_update
-  pattern). A wasm store would need a cdk `WalletDatabase` over
-  IndexedDB — explicitly out of scope.
+- Tracking cdk via git main is a moving target; the lockfile pins a rev
+  and must be bumped deliberately (same policy as the rust-nostr git dep).
+  Watch for the next cdk release line built against nostr 0.45.x — moving
+  back to crates.io then removes the moving-target concern.
+- Web target gets no wallet in v1: cdk store backends (redb, sqlite) need
+  a real filesystem and do not build on wasm32; the crate compiles to
+  nothing there (auto_update pattern). A wasm store would need a cdk
+  `WalletDatabase` over IndexedDB — explicitly out of scope.
 - `7374` quote events are skipped (local cdk state per the spec); pending
   quotes are not visible to other devices until claimed.