diff --git a/Cargo.lock b/Cargo.lock
index 1b0d5e6d55282a..f407a61d234406 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3626,6 +3626,61 @@ dependencies = [
  "ascii_utils",
 ]
 
+[[package]]
+name = "fastcrypto"
+version = "0.1.6"
+source = "git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5#4e7debce78340848f0009b648f56d912d6bd02d5"
+dependencies = [
+ "aes",
+ "aes-gcm",
+ "ark-ec",
+ "ark-ff",
+ "ark-secp256r1",
+ "ark-serialize",
+ "auto_ops",
+ "base64ct",
+ "bincode",
+ "blake2",
+ "blake3",
+ "blst",
+ "bs58",
+ "bulletproofs",
+ "cbc",
+ "ctr",
+ "curve25519-dalek-ng",
+ "derive_more",
+ "digest 0.10.6",
+ "ecdsa 0.16.6",
+ "ed25519-consensus",
+ "elliptic-curve 0.13.4",
+ "eyre",
+ "fastcrypto-derive 0.1.3 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "generic-array",
+ "hex",
+ "hkdf",
+ "lazy_static",
+ "merlin",
+ "once_cell",
+ "p256",
+ "rand 0.8.5",
+ "readonly",
+ "rfc6979 0.4.0",
+ "rsa",
+ "schemars",
+ "secp256k1",
+ "serde",
+ "serde_bytes",
+ "serde_with",
+ "sha2 0.10.6",
+ "sha3 0.10.6",
+ "signature 2.0.0",
+ "static_assertions",
+ "thiserror",
+ "tokio",
+ "typenum",
+ "zeroize",
+]
+
 [[package]]
 name = "fastcrypto"
 version = "0.1.6"
@@ -3654,7 +3709,7 @@ dependencies = [
  "ed25519-consensus",
  "elliptic-curve 0.13.4",
  "eyre",
- "fastcrypto-derive",
+ "fastcrypto-derive 0.1.3 (git+https://github.com/MystenLabs/fastcrypto?rev=6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b)",
  "generic-array",
  "hex",
  "hkdf",
@@ -3681,6 +3736,17 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "fastcrypto-derive"
+version = "0.1.3"
+source = "git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5#4e7debce78340848f0009b648f56d912d6bd02d5"
+dependencies = [
+ "convert_case 0.6.0",
+ "proc-macro2 1.0.58",
+ "quote 1.0.26",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "fastcrypto-derive"
 version = "0.1.3"
@@ -3692,6 +3758,35 @@ dependencies = [
  "syn 1.0.107",
 ]
 
+[[package]]
+name = "fastcrypto-zkp"
+version = "0.1.1"
+source = "git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5#4e7debce78340848f0009b648f56d912d6bd02d5"
+dependencies = [
+ "ark-bls12-381",
+ "ark-bn254",
+ "ark-crypto-primitives",
+ "ark-ec",
+ "ark-ff",
+ "ark-groth16",
+ "ark-relations",
+ "ark-serialize",
+ "bcs",
+ "blst",
+ "byte-slice-cast",
+ "derive_more",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "im",
+ "num-bigint",
+ "once_cell",
+ "poseidon-ark",
+ "regex",
+ "reqwest",
+ "schemars",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "fastcrypto-zkp"
 version = "0.1.1"
@@ -3709,7 +3804,7 @@ dependencies = [
  "blst",
  "byte-slice-cast",
  "derive_more",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b)",
  "im",
  "num-bigint",
  "once_cell",
@@ -6290,7 +6385,7 @@ version = "0.11.0"
 dependencies = [
  "cfg-if",
  "ed25519-consensus",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "hashbrown 0.12.3",
  "impl-trait-for-tuples",
  "indexmap",
@@ -6336,7 +6431,7 @@ dependencies = [
 name = "narwhal-config"
 version = "0.1.0"
 dependencies = [
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "insta",
  "match_opt",
  "mysten-network",
@@ -6362,7 +6457,7 @@ dependencies = [
  "bincode",
  "cfg-if",
  "criterion",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "indexmap",
  "match_opt",
@@ -6392,7 +6487,7 @@ dependencies = [
  "bcs",
  "bincode",
  "criterion",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "hex-literal",
  "proptest",
  "proptest-derive",
@@ -6413,7 +6508,7 @@ dependencies = [
  "bcs",
  "bincode",
  "bytes",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "indexmap",
  "itertools",
@@ -6485,7 +6580,7 @@ dependencies = [
  "cfg-if",
  "clap 2.34.0",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "mysten-metrics",
  "mysten-network",
@@ -6534,7 +6629,7 @@ dependencies = [
  "bincode",
  "bytes",
  "dashmap",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "governor",
  "indexmap",
@@ -6578,7 +6673,7 @@ name = "narwhal-storage"
 version = "0.1.0"
 dependencies = [
  "dashmap",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "lru",
  "mysten-common",
@@ -6602,7 +6697,7 @@ name = "narwhal-test-utils"
 version = "0.1.0"
 dependencies = [
  "anemo",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "fdlimit",
  "indexmap",
  "itertools",
@@ -6644,7 +6739,7 @@ dependencies = [
  "criterion",
  "derive_builder",
  "enum_dispatch",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "indexmap",
  "mockall",
@@ -6690,7 +6785,7 @@ dependencies = [
  "byteorder",
  "bytes",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "governor",
  "itertools",
@@ -9207,7 +9302,7 @@ version = "0.0.0"
 dependencies = [
  "bcs",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "serde",
  "serde_repr",
  "workspace-hack",
@@ -9570,8 +9665,8 @@ dependencies = [
  "const-str",
  "csv",
  "expect-test",
- "fastcrypto",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "fs_extra",
  "git-version",
  "inquire",
@@ -9702,7 +9797,7 @@ dependencies = [
  "byteorder",
  "bytes",
  "ed25519-consensus",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "indicatif",
  "integer-encoding",
@@ -9743,7 +9838,7 @@ dependencies = [
  "clap 3.2.23",
  "comfy-table",
  "duration-str",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "hdrhistogram",
  "indicatif",
@@ -9795,7 +9890,7 @@ dependencies = [
  "async-trait",
  "bcs",
  "clap 3.2.23",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "jsonrpsee",
  "move-core-types",
@@ -9837,7 +9932,7 @@ dependencies = [
  "bcs",
  "csv",
  "dirs",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "insta",
  "move-binary-format",
  "move-core-types",
@@ -9876,8 +9971,8 @@ dependencies = [
  "enum_dispatch",
  "expect-test",
  "eyre",
- "fastcrypto",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "fs_extra",
  "futures",
  "im",
@@ -9981,7 +10076,7 @@ dependencies = [
  "bcs",
  "clap 3.2.23",
  "expect-test",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "fs_extra",
  "futures",
  "indexmap",
@@ -10172,7 +10267,7 @@ dependencies = [
  "camino",
  "csv",
  "dirs",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "insta",
  "move-binary-format",
  "move-core-types",
@@ -10208,7 +10303,7 @@ dependencies = [
  "bcs",
  "clap 3.2.23",
  "expect-test",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "hex",
  "hyper",
  "insta",
@@ -10239,7 +10334,7 @@ dependencies = [
  "diesel",
  "diesel-derive-enum",
  "diesel_migrations",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "itertools",
  "jsonrpsee",
@@ -10281,7 +10376,7 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "bcs",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "move-binary-format",
  "move-bytecode-utils",
  "move-core-types",
@@ -10310,7 +10405,7 @@ dependencies = [
  "cached",
  "expect-test",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "hyper",
  "itertools",
@@ -10394,7 +10489,7 @@ dependencies = [
  "bcs",
  "colored",
  "enum_dispatch",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "itertools",
  "move-binary-format",
  "move-bytecode-utils",
@@ -10419,7 +10514,7 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "bip32",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "rand 0.8.5",
  "serde",
  "serde_json",
@@ -10499,7 +10594,7 @@ dependencies = [
  "clap 3.2.23",
  "colored",
  "const-str",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "git-version",
  "jemalloc-ctl",
@@ -10540,7 +10635,7 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "datatest-stable",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "move-binary-format",
  "move-bytecode-utils",
  "move-bytecode-verifier",
@@ -10565,8 +10660,8 @@ version = "0.1.0"
 dependencies = [
  "bcs",
  "better_any",
- "fastcrypto",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "linked-hash-map",
  "move-binary-format",
  "move-core-types",
@@ -10585,8 +10680,8 @@ version = "0.1.0"
 dependencies = [
  "bcs",
  "better_any",
- "fastcrypto",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "linked-hash-map",
  "move-binary-format",
  "move-core-types",
@@ -10609,7 +10704,7 @@ dependencies = [
  "anyhow",
  "dashmap",
  "ed25519-consensus",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "governor",
  "mysten-metrics",
@@ -10645,8 +10740,8 @@ dependencies = [
  "axum",
  "clap 3.2.23",
  "const-str",
- "fastcrypto",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "git-version",
  "mysten-common",
@@ -10690,7 +10785,7 @@ dependencies = [
  "anyhow",
  "bcs",
  "clap 3.2.23",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "move-core-types",
  "pretty_assertions",
  "rand 0.8.5",
@@ -10798,7 +10893,7 @@ dependencies = [
  "bytes",
  "clap 3.2.23",
  "const-str",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "git-version",
  "http-body",
  "hyper",
@@ -10905,7 +11000,7 @@ dependencies = [
  "chrono",
  "clap 3.2.23",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "hyper",
  "move-bytecode-utils",
@@ -11000,7 +11095,7 @@ dependencies = [
  "clap 3.2.23",
  "colored",
  "dirs",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "futures-core",
  "jsonrpsee",
@@ -11030,7 +11125,7 @@ version = "0.7.0"
 dependencies = [
  "anemo",
  "anemo-tower",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "lru",
  "move-package",
  "msim",
@@ -11056,7 +11151,7 @@ dependencies = [
  "bcs",
  "byteorder",
  "bytes",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "integer-encoding",
  "num_enum",
@@ -11153,7 +11248,7 @@ dependencies = [
  "clap 4.3.3",
  "criterion",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "hyper",
  "hyper-rustls 0.24.0",
@@ -11257,7 +11352,7 @@ dependencies = [
  "camino",
  "csv",
  "dirs",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "insta",
  "move-binary-format",
  "move-core-types",
@@ -11287,7 +11382,7 @@ dependencies = [
 name = "sui-telemetry"
 version = "0.1.0"
 dependencies = [
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "reqwest",
  "serde",
  "sui-core",
@@ -11335,7 +11430,7 @@ dependencies = [
  "axum",
  "axum-server",
  "ed25519",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "pkcs8 0.9.0",
  "rand 0.8.5",
  "rcgen",
@@ -11361,7 +11456,7 @@ dependencies = [
  "colored",
  "comfy-table",
  "eyre",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "futures",
  "hex",
  "indicatif",
@@ -11427,7 +11522,7 @@ dependencies = [
  "bcs",
  "bimap",
  "clap 3.2.23",
- "fastcrypto",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "move-binary-format",
  "move-bytecode-utils",
  "move-command-line-common",
@@ -11470,8 +11565,8 @@ dependencies = [
  "derive_more",
  "enum_dispatch",
  "eyre",
- "fastcrypto",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=4e7debce78340848f0009b648f56d912d6bd02d5)",
  "im",
  "indexmap",
  "itertools",
@@ -13591,9 +13686,9 @@ dependencies = [
  "eyre",
  "fail",
  "fast_chemail",
- "fastcrypto",
- "fastcrypto-derive",
- "fastcrypto-zkp",
+ "fastcrypto 0.1.6 (git+https://github.com/MystenLabs/fastcrypto?rev=6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b)",
+ "fastcrypto-derive 0.1.3 (git+https://github.com/MystenLabs/fastcrypto?rev=6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b)",
+ "fastcrypto-zkp 0.1.1 (git+https://github.com/MystenLabs/fastcrypto?rev=6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b)",
  "fastrand",
  "fd-lock",
  "fdlimit",
diff --git a/Cargo.toml b/Cargo.toml
index 2414e6d1f91e56..ffce23f5969a01 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -413,8 +413,8 @@ move-stackless-bytecode = { path = "external-crates/move/move-prover/bytecode" }
 move-symbol-pool = { path = "external-crates/move/move-symbol-pool" }
 move-abstract-stack = { path = "external-crates/move/move-abstract-stack" }
 
-fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b" }
-fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "6c17d6e5efb0a4d8c1b1b909ef38ee0b09eafa8b", package = "fastcrypto-zkp" }
+fastcrypto = { git = "https://github.com/MystenLabs/fastcrypto", rev = "4e7debce78340848f0009b648f56d912d6bd02d5" }
+fastcrypto-zkp = { git = "https://github.com/MystenLabs/fastcrypto", rev = "4e7debce78340848f0009b648f56d912d6bd02d5", package = "fastcrypto-zkp" }
 
 # anemo dependencies
 anemo = { git = "https://github.com/mystenlabs/anemo.git", rev = "0f0ae8d8f222820a20b586088ea7a2941478a159" }
diff --git a/crates/sui-core/src/signature_verifier.rs b/crates/sui-core/src/signature_verifier.rs
index 24374643abaffd..b4cc392b125096 100644
--- a/crates/sui-core/src/signature_verifier.rs
+++ b/crates/sui-core/src/signature_verifier.rs
@@ -99,8 +99,8 @@ pub struct SignatureVerifier {
     /// very cheaply.
     oauth_provider_jwk: RwLock<ImHashMap<JwkId, JWK>>,
 
-    /// A list of supported providers for ZKLogin and the environment (prod/test) the code runs in.
-    zk_login_params: RwLock<ZkLoginParams>,
+    /// Params that contains a list of supported providers for ZKLogin and the environment (prod/test) the code runs in.
+    zk_login_params: ZkLoginParams,
 
     queue: Mutex<CertBuffer>,
     pub metrics: Arc<SignatureVerifierMetrics>,
@@ -136,10 +136,10 @@ impl SignatureVerifier {
             oauth_provider_jwk: Default::default(),
             queue: Mutex::new(CertBuffer::new(batch_size)),
             metrics,
-            zk_login_params: RwLock::new(ZkLoginParams {
+            zk_login_params: ZkLoginParams {
                 supported_providers,
                 env,
-            }),
+            },
         }
     }
 
@@ -320,11 +320,10 @@ impl SignatureVerifier {
             .is_verified(signed_tx.full_message_digest(), || {
                 signed_tx.verify_epoch(self.committee.epoch())?;
                 let oauth_provider_jwk = self.oauth_provider_jwk.read().clone();
-                let zklogin_params = self.zk_login_params.read().clone();
                 let aux_data = VerifyParams::new(
                     oauth_provider_jwk,
-                    zklogin_params.supported_providers,
-                    zklogin_params.env,
+                    self.zk_login_params.supported_providers.clone(),
+                    self.zk_login_params.env.clone(),
                 );
                 signed_tx.verify_message_signature(&aux_data)
             })
diff --git a/crates/sui/src/keytool.rs b/crates/sui/src/keytool.rs
index f7ee259e40c7c9..b2ed1f3297ece4 100644
--- a/crates/sui/src/keytool.rs
+++ b/crates/sui/src/keytool.rs
@@ -11,7 +11,7 @@ use fastcrypto::traits::{KeyPair, ToFromBytes};
 use fastcrypto_zkp::bn254::utils::get_oidc_url;
 use fastcrypto_zkp::bn254::zk_login::{AddressParams, OIDCProvider};
 use json_to_table::{json_to_table, Orientation};
-use num_bigint::{BigInt, Sign};
+use num_bigint::BigUint;
 use rand::rngs::StdRng;
 use rand::SeedableRng;
 use rusoto_core::Region;
@@ -179,7 +179,7 @@ pub enum KeyToolCommand {
     Unpack { keypair: SuiKeyPair },
 
     /// Given the max_epoch, generate an OAuth url, ask user to paste the redirect with id_token, call salt server, then call the prover server,
-    /// create a test transaction, use the ephemeral key to sign and execute it with a serialized zklogin signature.
+    /// create a test transaction, use the ephemeral key to sign and execute it by assembling to a serialized zkLogin signature.
     ZkLoginSignAndExecuteTx {
         #[clap(long)]
         max_epoch: EpochId,
@@ -712,14 +712,14 @@ impl KeyToolCommand {
 
                 let mut eph_pk_bytes = vec![pk.flag()];
                 eph_pk_bytes.extend(pk.as_ref());
-                let kp_bigint = BigInt::from_bytes_be(Sign::Plus, &eph_pk_bytes);
+                let kp_bigint = BigUint::from_bytes_be(&eph_pk_bytes);
                 println!("Ephemeral pubkey (BigInt): {:?}", kp_bigint);
 
                 let jwt_randomness = if fixed {
                     "100681567828351849884072155819400689117".to_string()
                 } else {
                     let random_bytes = rand::thread_rng().gen::<[u8; 16]>();
-                    let jwt_random_bytes = BigInt::from_bytes_be(Sign::Plus, &random_bytes);
+                    let jwt_random_bytes = BigUint::from_bytes_be(&random_bytes);
                     jwt_random_bytes.to_string()
                 };
                 println!("Jwt randomness: {jwt_randomness}");
diff --git a/crates/sui/src/zklogin_commands_util.rs b/crates/sui/src/zklogin_commands_util.rs
index 5d34c7a2b19363..915878fccf307f 100644
--- a/crates/sui/src/zklogin_commands_util.rs
+++ b/crates/sui/src/zklogin_commands_util.rs
@@ -1,12 +1,12 @@
 // Copyright (c) Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
+use anyhow::anyhow;
 use fastcrypto::traits::EncodeDecodeBase64;
 use fastcrypto_zkp::bn254::utils::get_enoki_address;
-use fastcrypto_zkp::bn254::zk_login::ZkLoginInputs;
+use fastcrypto_zkp::bn254::utils::{get_proof, get_salt};
 use regex::Regex;
 use reqwest::Client;
-use serde::Deserialize;
 use serde_json::json;
 use shared_crypto::intent::Intent;
 use std::io;
@@ -21,8 +21,6 @@ use sui_types::transaction::Transaction;
 use sui_types::zk_login_authenticator::ZkLoginAuthenticator;
 
 const GAS_URL: &str = "http://127.0.0.1:9123/gas";
-const SALT_SERVER_URL: &str = "http://salt.api-devnet.mystenlabs.com/get_salt";
-const PROVER_SERVER_URL: &str = "http://185.209.177.123:8000/test/zkp";
 
 /// Read a line from stdin, parse the id_token field and return.
 pub fn read_cli_line() -> Result<String, anyhow::Error> {
@@ -56,55 +54,6 @@ pub(crate) async fn request_tokens_from_faucet(address: SuiAddress) -> Result<()
     Ok(())
 }
 
-/// Call the salt server to get the salt based on the given JWT token.
-pub async fn get_salt(jwt_token: &str) -> Result<String, anyhow::Error> {
-    let client = Client::new();
-    let body = json!({ "token": jwt_token });
-    let response = client
-        .post(SALT_SERVER_URL)
-        .json(&body)
-        .header("Content-Type", "application/json")
-        .send()
-        .await?;
-    let full_bytes = response.bytes().await?;
-    let res: GetSaltResponse = serde_json::from_slice(&full_bytes)?;
-    Ok(res.salt)
-}
-
-/// Call the prover backend to get the zklogin inputs based on jwt_token, max_epoch, jwt_randomness, eph_pubkey and salt.
-pub async fn get_proof(
-    jwt_token: &str,
-    max_epoch: EpochId,
-    jwt_randomness: &str,
-    eph_pubkey: &str,
-    salt: &str,
-) -> Result<ZkLoginInputs, anyhow::Error> {
-    let client = Client::new();
-    let body = json!({
-        "jwt": jwt_token,
-        "eph_public_key": eph_pubkey,
-        "max_epoch": max_epoch,
-        "jwt_randomness": jwt_randomness,
-        "subject_pin": salt,
-        "key_claim_name": "sub"
-    });
-    let response = client
-        .post(PROVER_SERVER_URL.to_string())
-        .header("Content-Type", "application/json")
-        .json(&body)
-        .send()
-        .await?;
-    let full_bytes = response.bytes().await?;
-    let get_proof_response: ZkLoginInputs = serde_json::from_slice(&full_bytes)
-        .map_err(|e| anyhow::anyhow!("json deser failed with bytes {:?}: {e}", full_bytes))?;
-    Ok(get_proof_response)
-}
-
-#[derive(Deserialize)]
-struct GetSaltResponse {
-    salt: String,
-}
-
 /// A helper function that performs a zklogin test transaction based on the provided parameters.
 pub async fn perform_zk_login_test_tx(
     parsed_token: &str,
@@ -114,7 +63,9 @@ pub async fn perform_zk_login_test_tx(
     ephemeral_key_identifier: SuiAddress,
     keystore: &mut Keystore,
 ) -> Result<String, anyhow::Error> {
-    let user_salt = get_salt(parsed_token).await?;
+    let user_salt = get_salt(parsed_token)
+        .await
+        .map_err(|_| anyhow!("Failed to get salt"))?;
     println!("User salt: {user_salt}");
     let mut zk_login_inputs = get_proof(
         parsed_token,
@@ -123,7 +74,8 @@ pub async fn perform_zk_login_test_tx(
         kp_bigint,
         &user_salt,
     )
-    .await?;
+    .await
+    .map_err(|_| anyhow!("Failed to get salt"))?;
     println!("ZkLogin inputs:");
     println!("{:?}", serde_json::to_string(&zk_login_inputs).unwrap());
     zk_login_inputs.init()?;