diff --git a/Cargo.lock b/Cargo.lock
index 68075542f3..feb40f52a4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -393,7 +393,7 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -410,7 +410,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -637,13 +637,13 @@ dependencies = [
  "lazy_static",
  "lazycell",
  "peeking_take_while",
- "prettyplease 0.2.4",
+ "prettyplease 0.2.5",
  "proc-macro2",
  "quote",
  "regex",
  "rustc-hash",
  "shlex",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1661,7 +1661,7 @@ dependencies = [
  "ident_case",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1672,7 +1672,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1808,7 +1808,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -1991,13 +1991,13 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
 name = "equihash"
 version = "0.1.0"
-source = "git+https://github.com/zcash/librustzcash/?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
+source = "git+https://github.com/zcash/librustzcash?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
 dependencies = [
  "blake2b_simd 1.0.1",
  "byteorder",
@@ -2395,7 +2395,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -2643,9 +2643,9 @@ dependencies = [
 
 [[package]]
 name = "hdpath"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09ae1615f843ce3981b47468f3f7c435ac17deb33c2261e64d7f1e87f5c11acc"
+checksum = "dfa5bc9db2c17d2660f53ce217b778d06d68de13d1cd01c0f4e5de4b7918935f"
 dependencies = [
  "byteorder",
 ]
@@ -3091,7 +3091,7 @@ dependencies = [
  "toml",
  "tonic",
  "tracing 0.1.37",
- "uuid 1.3.2",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -3303,9 +3303,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.62"
+version = "0.3.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68c16e1bfd491478ab155fd8b4896b86f9ede344949b641e61501e07c2b8b4d5"
+checksum = "2f37a4a5928311ac501dee68b3c7613a1037d0edb30c8e5427bd832d55d1b790"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -3434,9 +3434,9 @@ dependencies = [
 
 [[package]]
 name = "libm"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb"
+checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
 
 [[package]]
 name = "librocksdb-sys"
@@ -3624,7 +3624,7 @@ dependencies = [
 [[package]]
 name = "masp_primitives"
 version = "0.5.0"
-source = "git+https://github.com/anoma/masp?rev=bee40fc465f6afbd10558d12fe96eb1742eee45c#bee40fc465f6afbd10558d12fe96eb1742eee45c"
+source = "git+https://github.com/anoma/masp?rev=4274fc0bf300bcdae4f186fba134bab8af83ae93#4274fc0bf300bcdae4f186fba134bab8af83ae93"
 dependencies = [
  "aes",
  "bip0039",
@@ -3657,7 +3657,7 @@ dependencies = [
 [[package]]
 name = "masp_proofs"
 version = "0.5.0"
-source = "git+https://github.com/anoma/masp?rev=bee40fc465f6afbd10558d12fe96eb1742eee45c#bee40fc465f6afbd10558d12fe96eb1742eee45c"
+source = "git+https://github.com/anoma/masp?rev=4274fc0bf300bcdae4f186fba134bab8af83ae93#4274fc0bf300bcdae4f186fba134bab8af83ae93"
 dependencies = [
  "bellman",
  "blake2b_simd 1.0.1",
@@ -3899,7 +3899,7 @@ dependencies = [
  "tagptr",
  "thiserror",
  "triomphe",
- "uuid 1.3.2",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -4520,7 +4520,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -4836,7 +4836,7 @@ checksum = "39407670928234ebc5e6e580247dd567ad73a3578460c5990f9503df207e8f07"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -4939,12 +4939,12 @@ dependencies = [
 
 [[package]]
 name = "prettyplease"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ceca8aaf45b5c46ec7ed39fff75f57290368c1846d33d24a122ca81416ab058"
+checksum = "617feabb81566b593beb4886fb8c1f38064169dae4dccad0e3220160c3b37203"
 dependencies = [
  "proc-macro2",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -5004,9 +5004,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "fa1fb82fc0c281dd9671101b66b771ebbe1eaf967b96ac8740dcba4b70005ca8"
 dependencies = [
  "unicode-ident",
 ]
@@ -5524,9 +5524,9 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.11.17"
+version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13293b639a097af28fc8a90f22add145a9c954e49d77da06263d58cf44d5fb91"
+checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
 dependencies = [
  "base64 0.21.0",
  "bytes 1.4.0",
@@ -5625,7 +5625,7 @@ dependencies = [
  "rkyv_derive",
  "seahash",
  "tinyvec",
- "uuid 1.3.2",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -5901,9 +5901,9 @@ dependencies = [
 
 [[package]]
 name = "scale-info"
-version = "2.6.0"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfdef77228a4c05dc94211441595746732131ad7f6530c6c18f045da7b7ab937"
+checksum = "b569c32c806ec3abdf3b5869fb8bf1e0d275a7c1c9b0b05603d9464632649edf"
 dependencies = [
  "cfg-if 1.0.0",
  "derive_more",
@@ -6143,7 +6143,7 @@ checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -6165,7 +6165,7 @@ checksum = "bcec881020c684085e55a25f7fd888954d56609ef363479dc5a1305eb0d40cab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -6472,9 +6472,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "a6f671d4b5ffdb8eadec19c0ae67fe2639df8684bd7bc4b83d986b8db549cf01"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -6846,7 +6846,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -7029,7 +7029,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -7181,15 +7181,15 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ab8ed2edee10b50132aed5f331333428b011c99402b5a534154ed15746f9622"
+checksum = "5a76a9312f5ba4c2dec6b9161fdf25d87ad8a09256ccea5a556fef03c706a10f"
 
 [[package]]
 name = "toml_edit"
-version = "0.19.8"
+version = "0.19.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "239410c8609e8125456927e6707163a3b1fdb40561e4b803bc041f466ccfdc13"
+checksum = "92d964908cec0d030b812013af25a0e57fddfadb1e066ecc6681d86253129d4f"
 dependencies = [
  "indexmap",
  "toml_datetime",
@@ -7364,7 +7364,7 @@ checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
@@ -7663,9 +7663,9 @@ checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 
 [[package]]
 name = "uuid"
-version = "1.3.2"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dad5567ad0cf5b760e5665964bec1b47dfd077ba8a2544b513f3556d3d239a2"
+checksum = "345444e32442451b267fc254ae85a209c64be56d2890e601a0c37ff0c3c5ecd2"
 dependencies = [
  "getrandom 0.2.9",
 ]
@@ -7815,9 +7815,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.85"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b6cb788c4e39112fbe1822277ef6fb3c55cd86b95cb3d3c4c1c9597e4ac74b4"
+checksum = "5bba0e8cb82ba49ff4e229459ff22a191bbe9a1cb3a341610c9c33efc27ddf73"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -7825,24 +7825,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.85"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35e522ed4105a9d626d885b35d62501b30d9666283a5c8be12c14a8bdafe7822"
+checksum = "19b04bc93f9d6bdee709f6bd2118f57dd6679cf1176a1af464fca3ab0d66d8fb"
 dependencies = [
  "bumpalo",
  "log 0.4.17",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.35"
+version = "0.4.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "083abe15c5d88556b77bdf7aef403625be9e327ad37c62c4e4129af740168163"
+checksum = "2d1985d03709c53167ce907ff394f5316aa22cb4e12761295c5dc57dacb6297e"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -7852,9 +7852,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.85"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "358a79a0cb89d21db8120cbfb91392335913e4890665b1a7981d9e956903b434"
+checksum = "14d6b024f1a526bb0234f52840389927257beb670610081360e5a03c5df9c258"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -7862,28 +7862,28 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.85"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4783ce29f09b9d93134d41297aded3a712b7b979e9c6f28c32cb88c973a94869"
+checksum = "e128beba882dd1eb6200e1dc92ae6c5dbaa4311aa7bb211ca035779e5efc39f8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.85"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a901d592cafaa4d711bc324edfaff879ac700b19c3dfd60058d2b445be2691eb"
+checksum = "ed9d5b4305409d1fc9482fee2d7f9bcbf24b3972bf59817ef757e23982242a93"
 
 [[package]]
 name = "wasm-encoder"
-version = "0.26.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d05d0b6fcd0aeb98adf16e7975331b3c17222aa815148f5b976370ce589d80ef"
+checksum = "e77053dc709db790691d3732cfc458adc5acc881dec524965c608effdcd9c581"
 dependencies = [
  "leb128",
 ]
@@ -8126,9 +8126,9 @@ checksum = "718ed7c55c2add6548cca3ddd6383d738cd73b892df400e96b9aa876f0141d7a"
 
 [[package]]
 name = "wast"
-version = "57.0.0"
+version = "58.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6eb0f5ed17ac4421193c7477da05892c2edafd67f9639e3c11a82086416662dc"
+checksum = "372eecae2d10a5091c2005b32377d7ecd6feecdf2c05838056d02d8b4f07c429"
 dependencies = [
  "leb128",
  "memchr",
@@ -8138,18 +8138,18 @@ dependencies = [
 
 [[package]]
 name = "wat"
-version = "1.0.63"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab9ab0d87337c3be2bb6fc5cd331c4ba9fd6bcb4ee85048a0dd59ed9ecf92e53"
+checksum = "6d47446190e112ab1579ab40b3ad7e319d859d74e5134683f04e9f0747bf4173"
 dependencies = [
  "wast",
 ]
 
 [[package]]
 name = "web-sys"
-version = "0.3.62"
+version = "0.3.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16b5f940c7edfdc6d12126d98c9ef4d1b3d470011c47c76a6581df47ad9ba721"
+checksum = "3bdd9ef4e984da1187bf8110c5cf5b845fbc87a23602cdf912386a76fcd3a7c2"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -8563,7 +8563,7 @@ dependencies = [
 [[package]]
 name = "zcash_encoding"
 version = "0.0.0"
-source = "git+https://github.com/zcash/librustzcash/?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
+source = "git+https://github.com/zcash/librustzcash?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
 dependencies = [
  "byteorder",
  "nonempty",
@@ -8584,7 +8584,7 @@ dependencies = [
 [[package]]
 name = "zcash_note_encryption"
 version = "0.1.0"
-source = "git+https://github.com/zcash/librustzcash/?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
+source = "git+https://github.com/zcash/librustzcash?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
 dependencies = [
  "chacha20",
  "chacha20poly1305",
@@ -8595,7 +8595,7 @@ dependencies = [
 [[package]]
 name = "zcash_primitives"
 version = "0.5.0"
-source = "git+https://github.com/zcash/librustzcash/?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
+source = "git+https://github.com/zcash/librustzcash?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
 dependencies = [
  "aes",
  "bip0039",
@@ -8621,13 +8621,13 @@ dependencies = [
  "sha2 0.9.9",
  "subtle",
  "zcash_encoding",
- "zcash_note_encryption 0.1.0 (git+https://github.com/zcash/librustzcash/?rev=2425a08)",
+ "zcash_note_encryption 0.1.0 (git+https://github.com/zcash/librustzcash?rev=2425a08)",
 ]
 
 [[package]]
 name = "zcash_proofs"
 version = "0.5.0"
-source = "git+https://github.com/zcash/librustzcash/?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
+source = "git+https://github.com/zcash/librustzcash?rev=2425a08#2425a0869098e3b0588ccd73c42716bcf418612c"
 dependencies = [
  "bellman",
  "blake2b_simd 1.0.1",
@@ -8659,7 +8659,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.16",
 ]
 
 [[package]]
diff --git a/apps/Cargo.toml b/apps/Cargo.toml
index a6439fbb35..9167622865 100644
--- a/apps/Cargo.toml
+++ b/apps/Cargo.toml
@@ -70,7 +70,7 @@ abciplus = [
 ]
 
 [dependencies]
-namada = {path = "../shared", default-features = false, features = ["wasm-runtime", "ferveo-tpke", "masp-tx-gen"]}
+namada = {path = "../shared", default-features = false, features = ["wasm-runtime", "ferveo-tpke", "masp-tx-gen", "multicore"]}
 ark-serialize = "0.3.0"
 ark-std = "0.3.0"
 # branch = "bat/arse-merkle-tree"
@@ -148,8 +148,8 @@ tracing-subscriber = {version = "0.3.7", features = ["env-filter", "json"]}
 websocket = "0.26.2"
 winapi = "0.3.9"
 #libmasp = { git = "https://github.com/anoma/masp", branch = "murisi/masp-incentive" }
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c", features = ["transparent-inputs"] }
-masp_proofs = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c", features = ["bundled-prover", "download-params"] }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93", features = ["transparent-inputs"] }
+masp_proofs = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93", features = ["bundled-prover", "download-params"] }
 bimap = {version = "0.6.2", features = ["serde"]}
 rust_decimal = "=1.26.1"
 rust_decimal_macros = "=1.26.1"
diff --git a/apps/src/lib/client/tx.rs b/apps/src/lib/client/tx.rs
index ce334adb41..40479c94c8 100644
--- a/apps/src/lib/client/tx.rs
+++ b/apps/src/lib/client/tx.rs
@@ -7,6 +7,7 @@ use std::path::PathBuf;
 
 use async_std::io;
 use async_std::io::prelude::WriteExt;
+use async_trait::async_trait;
 use borsh::{BorshDeserialize, BorshSerialize};
 use data_encoding::HEXLOWER_PERMISSIVE;
 use masp_proofs::prover::LocalTxProver;
@@ -336,6 +337,7 @@ impl Default for CLIShieldedUtils {
     }
 }
 
+#[async_trait(?Send)]
 impl masp::ShieldedUtils for CLIShieldedUtils {
     type C = tendermint_rpc::HttpClient;
 
@@ -354,7 +356,7 @@ impl masp::ShieldedUtils for CLIShieldedUtils {
 
     /// Try to load the last saved shielded context from the given context
     /// directory. If this fails, then leave the current context unchanged.
-    fn load(self) -> std::io::Result<masp::ShieldedContext<Self>> {
+    async fn load(self) -> std::io::Result<masp::ShieldedContext<Self>> {
         // Try to load shielded context from file
         let mut ctx_file = File::open(self.context_dir.join(FILE_NAME))?;
         let mut bytes = Vec::new();
@@ -367,7 +369,10 @@ impl masp::ShieldedUtils for CLIShieldedUtils {
     }
 
     /// Save this shielded context into its associated context directory
-    fn save(&self, ctx: &masp::ShieldedContext<Self>) -> std::io::Result<()> {
+    async fn save(
+        &self,
+        ctx: &masp::ShieldedContext<Self>,
+    ) -> std::io::Result<()> {
         // TODO: use mktemp crate?
         let tmp_path = self.context_dir.join(TMP_FILE_NAME);
         {
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 0e98344216..9bea7955bc 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -7,7 +7,7 @@ resolver = "2"
 version = "0.16.0"
 
 [features]
-default = []
+default = ["multicore"]
 mainnet = []
 ferveo-tpke = [
   "ferveo",
@@ -42,11 +42,16 @@ ibc-mocks = [
   "ibc/mocks",
   "ibc/std",
 ]
+
 ibc-mocks-abcipp = [
   "ibc-abcipp/mocks",
   "ibc-abcipp/std",
 ]
 
+multicore = [
+  "bellman/multicore"
+]
+
 # for integration tests and test utilies
 testing = [
   "rand",
@@ -63,7 +68,7 @@ ark-serialize = {version = "0.3"}
 # branch = "bat/arse-merkle-tree"
 arse-merkle-tree = {package = "sparse-merkle-tree", git = "https://github.com/heliaxdev/sparse-merkle-tree", rev = "e086b235ed6e68929bf73f617dd61cd17b000a56", default-features = false, features = ["std", "borsh"]}
 bech32 = "0.8.0"
-bellman = "0.11.2"
+bellman = { version = "0.11.2", default-features = false, features = ["groth16"] }
 borsh = "0.9.0"
 chrono = {version = "0.4.22", default-features = false, features = ["clock", "std"]}
 data-encoding = "2.3.2"
@@ -81,7 +86,7 @@ ics23 = "0.9.0"
 index-set = {git = "https://github.com/heliaxdev/index-set", tag = "v0.7.1", features = ["serialize-borsh", "serialize-serde"]}
 itertools = "0.10.0"
 libsecp256k1 = {git = "https://github.com/heliaxdev/libsecp256k1", rev = "bbb3bd44a49db361f21d9db80f9a087c194c0ae9", default-features = false, features = ["std", "static-context"]}
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c" }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93" }
 proptest = {git = "https://github.com/heliaxdev/proptest", rev = "8f1b4abe7ebd35c0781bf9a00a4ee59833ffa2a1", optional = true}
 prost = "0.11.6"
 prost-types = "0.11.6"
diff --git a/shared/Cargo.toml b/shared/Cargo.toml
index 277034ae9f..cf422fbe02 100644
--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -91,12 +91,14 @@ namada-sdk = [
   "masp_primitives/transparent-inputs",
 ]
 
+multicore = ["bellman/multicore", "namada_core/multicore", "masp_proofs/multicore"]
+
 [dependencies]
 async-std = "1.11.0"
 namada_core = {path = "../core", default-features = false, features = ["secp256k1-sign-verify"]}
 namada_proof_of_stake = {path = "../proof_of_stake", default-features = false}
 async-trait = {version = "0.1.51", optional = true}
-bellman = "0.11.2"
+bellman = { version = "0.11.2", default-features = false, features = ["groth16"] }
 bls12_381 = "0.6.1"
 borsh = "0.9.0"
 circular-queue = "0.2.6"
@@ -141,8 +143,8 @@ wasmer-engine-universal = {version = "=2.2.0", optional = true}
 wasmer-vm = {version = "2.2.0", optional = true}
 wasmparser = "0.83.0"
 #libmasp = { git = "https://github.com/anoma/masp", branch = "murisi/masp-incentive" }
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c" }
-masp_proofs = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c" }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93" }
+masp_proofs = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93", default-features = false, features = ["local-prover"] }
 rand = {version = "0.8", default-features = false, optional = true}
 rand_core = {version = "0.6", default-features = false, optional = true}
 zeroize = "1.5.5"
diff --git a/shared/src/ledger/masp.rs b/shared/src/ledger/masp.rs
index 2c43028333..2801859e85 100644
--- a/shared/src/ledger/masp.rs
+++ b/shared/src/ledger/masp.rs
@@ -252,7 +252,7 @@ pub fn get_params_dir() -> PathBuf {
 
 /// Abstracts platform specific details away from the logic of shielded pool
 /// operations.
-#[async_trait]
+#[async_trait(?Send)]
 pub trait ShieldedUtils:
     Sized + BorshDeserialize + BorshSerialize + Default + Clone
 {
@@ -263,10 +263,10 @@ pub trait ShieldedUtils:
     fn local_tx_prover(&self) -> LocalTxProver;
 
     /// Load up the currently saved ShieldedContext
-    fn load(self) -> std::io::Result<ShieldedContext<Self>>;
+    async fn load(self) -> std::io::Result<ShieldedContext<Self>>;
 
     /// Sace the given ShieldedContext for future loads
-    fn save(&self, ctx: &ShieldedContext<Self>) -> std::io::Result<()>;
+    async fn save(&self, ctx: &ShieldedContext<Self>) -> std::io::Result<()>;
 }
 
 /// Make a ViewingKey that can view notes encrypted by given ExtendedSpendingKey
@@ -394,15 +394,15 @@ impl<U: ShieldedUtils + Default> Default for ShieldedContext<U> {
 impl<U: ShieldedUtils> ShieldedContext<U> {
     /// Try to load the last saved shielded context from the given context
     /// directory. If this fails, then leave the current context unchanged.
-    pub fn load(&mut self) -> std::io::Result<()> {
-        let new_ctx = self.utils.clone().load()?;
+    pub async fn load(&mut self) -> std::io::Result<()> {
+        let new_ctx = self.utils.clone().load().await?;
         *self = new_ctx;
         Ok(())
     }
 
     /// Save this shielded context into its associated context directory
-    pub fn save(&self) -> std::io::Result<()> {
-        self.utils.save(self)
+    pub async fn save(&self) -> std::io::Result<()> {
+        self.utils.save(self).await
     }
 
     /// Merge data from the given shielded context into the current shielded
diff --git a/tx_prelude/Cargo.toml b/tx_prelude/Cargo.toml
index 8e7cdb3f1b..29a1728f9d 100644
--- a/tx_prelude/Cargo.toml
+++ b/tx_prelude/Cargo.toml
@@ -15,7 +15,7 @@ abciplus = [
 ]
 
 [dependencies]
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c" }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93" }
 namada_core = {path = "../core", default-features = false}
 namada_macros = {path = "../macros"}
 namada_proof_of_stake = {path = "../proof_of_stake", default-features = false}
diff --git a/vm_env/Cargo.toml b/vm_env/Cargo.toml
index 00141fcd8c..2f38485518 100644
--- a/vm_env/Cargo.toml
+++ b/vm_env/Cargo.toml
@@ -16,6 +16,6 @@ abciplus = [
 namada_core = {path = "../core", default-features = false}
 borsh = "0.9.0"
 #libmasp = { git = "https://github.com/anoma/masp", branch = "murisi/masp-incentive" }
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c" }
-masp_proofs = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c" }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93" }
+masp_proofs = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93" }
 hex = "0.4.3"
diff --git a/wasm/wasm_source/Cargo.toml b/wasm/wasm_source/Cargo.toml
index 85194462e6..68011d6a44 100644
--- a/wasm/wasm_source/Cargo.toml
+++ b/wasm/wasm_source/Cargo.toml
@@ -40,8 +40,8 @@ once_cell = {version = "1.8.0", optional = true}
 rust_decimal = {version = "=1.26.1", optional = true}
 wee_alloc = "0.4.5"
 getrandom = { version = "0.2", features = ["custom"] }
-masp_proofs = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c", optional = true }
-masp_primitives = { git = "https://github.com/anoma/masp", rev = "bee40fc465f6afbd10558d12fe96eb1742eee45c", optional = true }
+masp_proofs = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93", optional = true }
+masp_primitives = { git = "https://github.com/anoma/masp", rev = "4274fc0bf300bcdae4f186fba134bab8af83ae93", optional = true }
 ripemd = "0.1.3"
 
 [dev-dependencies]