diff --git a/Cargo.lock b/Cargo.lock
index 4daa4856..bbfca330 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -644,6 +644,15 @@ dependencies = [
  "generic-array 0.14.7",
 ]
 
+[[package]]
+name = "block-padding"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8894febbff9f758034a5b8e12d87918f56dfc64a8e1fe757d65e29041538d93"
+dependencies = [
+ "generic-array 0.14.7",
+]
+
 [[package]]
 name = "bls12_381"
 version = "0.8.0"
@@ -3633,6 +3642,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
 dependencies = [
+ "block-padding",
  "generic-array 0.14.7",
 ]
 
@@ -9526,9 +9536,6 @@ name = "spin"
 version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
-dependencies = [
- "lock_api",
-]
 
 [[package]]
 name = "spki"
diff --git a/coins/bitcoin/Cargo.toml b/coins/bitcoin/Cargo.toml
index 608d7b76..ac6979bd 100644
--- a/coins/bitcoin/Cargo.toml
+++ b/coins/bitcoin/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2021"
 [dependencies]
 std-shims = { version = "0.1.1", path = "../../common/std-shims", default-features = false }
 
-thiserror = { version = "1", optional = true }
+thiserror = { version = "1", default-features = false, optional = true }
 
 zeroize = { version = "^1.5", default-features = false }
 rand_core = { version = "0.6", default-features = false }
@@ -22,18 +22,18 @@ bitcoin = { version = "0.31", default-features = false, features = ["no-std"] }
 
 k256 = { version = "^0.13.1", default-features = false, features = ["arithmetic", "bits"] }
 
-transcript = { package = "flexible-transcript", path = "../../crypto/transcript", version = "0.3", features = ["recommended"], optional = true }
-frost = { package = "modular-frost", path = "../../crypto/frost", version = "0.8", features = ["secp256k1"], optional = true }
+transcript = { package = "flexible-transcript", path = "../../crypto/transcript", version = "0.3", default-features = false, features = ["recommended"], optional = true }
+frost = { package = "modular-frost", path = "../../crypto/frost", version = "0.8", default-features = false, features = ["secp256k1"], optional = true }
 
-hex = { version = "0.4", optional = true }
-serde = { version = "1", features = ["derive"], optional = true }
-serde_json = { version = "1", optional = true }
-reqwest = { version = "0.11", features = ["json"], optional = true }
+hex = { version = "0.4", default-features = false, optional = true }
+serde = { version = "1", default-features = false, features = ["derive"], optional = true }
+serde_json = { version = "1", default-features = false, optional = true }
+reqwest = { version = "0.11", default-features = false, features = ["default-tls", "json"], optional = true }
 
 [dev-dependencies]
 frost = { package = "modular-frost", path = "../../crypto/frost", features = ["tests"] }
 
-tokio = { version = "1", features = ["full"] }
+tokio = { version = "1", features = ["macros"] }
 
 [features]
 std = [
@@ -52,13 +52,13 @@ std = [
 
   "k256/std",
 
-  "transcript",
+  "transcript/std",
   "frost",
 
-  "hex",
-  "serde",
-  "serde_json",
-  "reqwest"
+  "hex/std",
+  "serde/std",
+  "serde_json/std",
+  "reqwest",
 ]
 hazmat = []
 default = ["std"]
diff --git a/coins/monero/Cargo.toml b/coins/monero/Cargo.toml
index 910b152c..701f7ebb 100644
--- a/coins/monero/Cargo.toml
+++ b/coins/monero/Cargo.toml
@@ -15,7 +15,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 std-shims = { path = "../../common/std-shims", version = "^0.1.1", default-features = false }
 
 async-trait = { version = "0.1", default-features = false }
-thiserror = { version = "1", optional = true }
+thiserror = { version = "1", default-features = false, optional = true }
 
 zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] }
 subtle = { version = "^2.4", default-features = false }
@@ -40,8 +40,8 @@ multiexp = { path = "../../crypto/multiexp", version = "0.4", default-features =
 
 # Needed for multisig
 transcript = { package = "flexible-transcript", path = "../../crypto/transcript", version = "0.3", default-features = false, features = ["recommended"], optional = true }
-dleq = { path = "../../crypto/dleq", version = "0.4", features = ["serialize"], optional = true }
-frost = { package = "modular-frost", path = "../../crypto/frost", version = "0.8", features = ["ed25519"], optional = true }
+dleq = { path = "../../crypto/dleq", version = "0.4", default-features = false, features = ["serialize"], optional = true }
+frost = { package = "modular-frost", path = "../../crypto/frost", version = "0.8", default-features = false, features = ["ed25519"], optional = true }
 
 monero-generators = { path = "generators", version = "0.4", default-features = false }
 
@@ -55,7 +55,7 @@ serde_json = { version = "1", default-features = false, features = ["alloc"] }
 base58-monero = { version = "2", default-features = false, features = ["check"] }
 
 # Used for the provided HTTP RPC
-digest_auth = { version = "0.3", optional = true }
+digest_auth = { version = "0.3", default-features = false, optional = true }
 hyper = { version = "0.14", default-features = false, features = ["http1", "tcp", "client", "backports", "deprecated"], optional = true }
 hyper-rustls = { version = "0.24", default-features = false, features = ["http1", "native-tokio"], optional = true }
 tokio = { version = "1", default-features = false, optional = true }
@@ -65,7 +65,7 @@ dalek-ff-group = { path = "../../crypto/dalek-ff-group", version = "0.4", defaul
 monero-generators = { path = "generators", version = "0.4", default-features = false }
 
 [dev-dependencies]
-tokio = { version = "1", features = ["rt-multi-thread", "sync", "macros"] }
+tokio = { version = "1", features = ["sync", "macros"] }
 
 frost = { package = "modular-frost", path = "../../crypto/frost", features = ["tests"] }
 
@@ -79,14 +79,18 @@ std = [
   "subtle/std",
 
   "rand_core/std",
-  "rand_chacha/std",
   "rand/std",
+  "rand_chacha/std",
   "rand_distr/std",
 
   "sha3/std",
+  "pbkdf2/std",
 
   "multiexp/std",
 
+  "transcript/std",
+  "dleq/std",
+
   "monero-generators/std",
 
   "futures/std",
diff --git a/common/std-shims/Cargo.toml b/common/std-shims/Cargo.toml
index e4cf7378..3f248dc6 100644
--- a/common/std-shims/Cargo.toml
+++ b/common/std-shims/Cargo.toml
@@ -14,8 +14,8 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-spin = { version = "0.9", features = ["mutex", "once"] }
-hashbrown = "0.14"
+spin = { version = "0.9", default-features = false, features = ["use_ticket_mutex", "once"] }
+hashbrown = { version = "0.14", default-features = false, features = ["ahash", "inline-more"] }
 
 [features]
 std = []
diff --git a/common/zalloc/Cargo.toml b/common/zalloc/Cargo.toml
index c8076df5..169f08a4 100644
--- a/common/zalloc/Cargo.toml
+++ b/common/zalloc/Cargo.toml
@@ -17,5 +17,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 zeroize = { version = "^1.5", default-features = false }
 
 [features]
+std = ["zeroize/std"]
+default = ["std"]
 # Commented for now as it requires nightly and we don't use nightly
 # allocator = []
diff --git a/coordinator/Cargo.toml b/coordinator/Cargo.toml
index 5ce736ac..760dc0a8 100644
--- a/coordinator/Cargo.toml
+++ b/coordinator/Cargo.toml
@@ -14,23 +14,21 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-async-trait = "0.1"
+async-trait = { version = "0.1", default-features = false }
 
-zeroize = "^1.5"
-rand_core = "0.6"
-rand_chacha = "0.3"
+zeroize = { version = "^1.5", default-features = false, features = ["std"] }
+rand_core = { version = "0.6", default-features = false, features = ["std"] }
+rand_chacha = { version = "0.3", default-features = false, features = ["std"] }
 
-blake2 = "0.10"
+blake2 = { version = "0.10", default-features = false, features = ["std"] }
 
-transcript = { package = "flexible-transcript", path = "../crypto/transcript", features = ["recommended"] }
-ciphersuite = { path = "../crypto/ciphersuite" }
-schnorr = { package = "schnorr-signatures", path = "../crypto/schnorr" }
+transcript = { package = "flexible-transcript", path = "../crypto/transcript", default-features = false, features = ["std", "recommended"] }
+ciphersuite = { path = "../crypto/ciphersuite", default-features = false, features = ["std"] }
+schnorr = { package = "schnorr-signatures", path = "../crypto/schnorr", default-features = false, features = ["std"] }
 frost = { package = "modular-frost", path = "../crypto/frost" }
 frost-schnorrkel = { path = "../crypto/schnorrkel" }
 
-scale = { package = "parity-scale-codec", version = "3", features = ["derive"] }
-
-sp-application-crypto = { git = "https://github.com/serai-dex/substrate", default-features = false }
+scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["std", "derive"] }
 
 serai-db = { path = "../common/db", features = ["rocksdb"] }
 serai-env = { path = "../common/env" }
@@ -39,20 +37,21 @@ processor-messages = { package = "serai-processor-messages", path = "../processo
 message-queue = { package = "serai-message-queue", path = "../message-queue" }
 tributary = { package = "tributary-chain", path = "./tributary" }
 
-serai-client = { path = "../substrate/client", features = ["serai"] }
+serai-client = { path = "../substrate/client", default-features = false, features = ["serai"] }
 
-hex = "0.4"
-bincode = "1"
-serde_json = { version = "1", default-features = false }
+hex = { version = "0.4", default-features = false, features = ["std"] }
+bincode = { version = "1", default-features = false }
+serde_json = { version = "1", default-features = false, features = ["std"] }
 
-log = "0.4"
-env_logger = "0.10"
+log = { version = "0.4", default-features = false, features = ["std"] }
+env_logger = { version = "0.10", default-features = false, features = ["humantime"] }
 
-futures = "0.3"
-tokio = { version = "1", features = ["rt-multi-thread", "sync", "time", "macros"] }
-libp2p = { version = "0.52", features = ["tokio", "tcp", "noise", "yamux", "gossipsub", "mdns", "macros"] }
+futures = { version = "0.3", default-features = false, features = ["std"] }
+tokio = { version = "1", default-features = false, features = ["rt-multi-thread", "sync", "time", "macros"] }
+libp2p = { version = "0.52", default-features = false, features = ["tokio", "tcp", "noise", "yamux", "gossipsub", "mdns", "macros"] }
 
 [dev-dependencies]
-futures = "0.3"
+futures = { version = "0.3", default-features = false, features = ["std"] }
 tributary = { package = "tributary-chain", path = "./tributary", features = ["tests"] }
-sp-runtime = { git = "https://github.com/serai-dex/substrate", default-features = false }
+sp-application-crypto = { git = "https://github.com/serai-dex/substrate", default-features = false, features = ["std"] }
+sp-runtime = { git = "https://github.com/serai-dex/substrate", default-features = false, features = ["std"] }
diff --git a/coordinator/tributary/Cargo.toml b/coordinator/tributary/Cargo.toml
index b4eb4935..ff6dc1e3 100644
--- a/coordinator/tributary/Cargo.toml
+++ b/coordinator/tributary/Cargo.toml
@@ -8,31 +8,31 @@ authors = ["Luke Parker <lukeparker5132@gmail.com>"]
 edition = "2021"
 
 [dependencies]
-async-trait = "0.1"
-thiserror = "1"
+async-trait = { version = "0.1", default-features = false }
+thiserror = { version = "1", default-features = false }
 
-subtle = "^2"
-zeroize = "^1.5"
+subtle = { version = "^2", default-features = false, features = ["std"] }
+zeroize = { version = "^1.5", default-features = false, features = ["std"] }
 
-rand = "0.8"
-rand_chacha = "0.3"
+rand = { version = "0.8", default-features = false, features = ["std"] }
+rand_chacha = { version = "0.3", default-features = false, features = ["std"] }
 
-blake2 = "0.10"
-transcript = { package = "flexible-transcript", path = "../../crypto/transcript", features = ["recommended"] }
+blake2 = { version = "0.10", default-features = false, features = ["std"] }
+transcript = { package = "flexible-transcript", path = "../../crypto/transcript", default-features = false, features = ["std", "recommended"] }
 
-ciphersuite = { package = "ciphersuite", path = "../../crypto/ciphersuite", features = ["ristretto"] }
-schnorr = { package = "schnorr-signatures", path = "../../crypto/schnorr" }
+ciphersuite = { package = "ciphersuite", path = "../../crypto/ciphersuite", default-features = false, features = ["std", "ristretto"] }
+schnorr = { package = "schnorr-signatures", path = "../../crypto/schnorr", default-features = false, features = ["std"] }
 
-hex = "0.4"
-log = "0.4"
+hex = { version = "0.4", default-features = false, features = ["std"] }
+log = { version = "0.4", default-features = false, features = ["std"] }
 
 serai-db = { path = "../../common/db" }
 
-scale = { package = "parity-scale-codec", version = "3", features = ["derive"] }
-futures = "0.3"
+scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["std", "derive"] }
+futures = { version = "0.3", default-features = false, features = ["std"] }
 tendermint = { package = "tendermint-machine", path = "./tendermint" }
 
-tokio = { version = "1", features = ["sync", "time", "rt"] }
+tokio = { version = "1", default-features = false, features = ["sync", "time", "rt"] }
 
 [dev-dependencies]
 tokio = { version = "1", features = ["macros"] }
diff --git a/coordinator/tributary/tendermint/Cargo.toml b/coordinator/tributary/tendermint/Cargo.toml
index 14a79746..652e10d8 100644
--- a/coordinator/tributary/tendermint/Cargo.toml
+++ b/coordinator/tributary/tendermint/Cargo.toml
@@ -8,16 +8,16 @@ authors = ["Luke Parker <lukeparker5132@gmail.com>"]
 edition = "2021"
 
 [dependencies]
-async-trait = "0.1"
-thiserror = "1"
+async-trait = { version = "0.1", default-features = false }
+thiserror = { version = "1", default-features = false }
 
-hex = "0.4"
-log = "0.4"
+hex = { version = "0.4", default-features = false, features = ["std"] }
+log = { version = "0.4", default-features = false, features = ["std"] }
 
-parity-scale-codec = { version = "3", features = ["derive"] }
+parity-scale-codec = { version = "3", default-features = false, features = ["std", "derive"] }
 
-futures = "0.3"
-tokio = { version = "1", features = ["sync", "time"] }
+futures = { version = "0.3", default-features = false, features = ["std", "async-await"] }
+tokio = { version = "1", default-features = false, features = ["sync", "time"] }
 
 [dev-dependencies]
 tokio = { version = "1", features = ["rt-multi-thread", "macros"] }
diff --git a/crypto/ciphersuite/Cargo.toml b/crypto/ciphersuite/Cargo.toml
index 40ccea9b..2dad4877 100644
--- a/crypto/ciphersuite/Cargo.toml
+++ b/crypto/ciphersuite/Cargo.toml
@@ -38,15 +38,36 @@ k256 = { version = "^0.13.1", default-features = false, features = ["arithmetic"
 minimal-ed448 = { path = "../ed448", version = "0.4", default-features = false, optional = true }
 
 [dev-dependencies]
-hex = "0.4"
+hex = { version = "0.4", default-features = false, features = ["std"] }
 
-rand_core = { version = "0.6", features = ["std"] }
+rand_core = { version = "0.6", default-features = false, features = ["std"] }
 
 ff-group-tests = { version = "0.13", path = "../ff-group-tests" }
 
 [features]
 alloc = ["std-shims"]
-std = ["zeroize/std", "std-shims/std"]
+std = [
+  "std-shims/std",
+
+  "rand_core/std",
+
+  "zeroize/std",
+  "subtle/std",
+
+  "digest/std",
+  "transcript/std",
+  "sha2?/std",
+  "sha3?/std",
+
+  "ff/std",
+
+  "dalek-ff-group?/std",
+
+  "elliptic-curve?/std",
+  "p256?/std",
+  "k256?/std",
+  "minimal-ed448?/std",
+]
 
 dalek = ["sha2", "dalek-ff-group"]
 ed25519 = ["dalek"]
diff --git a/crypto/dalek-ff-group/Cargo.toml b/crypto/dalek-ff-group/Cargo.toml
index 8dc1a675..dc0ce06f 100644
--- a/crypto/dalek-ff-group/Cargo.toml
+++ b/crypto/dalek-ff-group/Cargo.toml
@@ -32,5 +32,9 @@ sha2 = { version = "0.10", default-features = false }
 curve25519-dalek = { version = ">= 4.0, < 4.2", default-features = false, features = ["alloc", "zeroize", "digest", "group", "precomputed-tables"] }
 
 [dev-dependencies]
-rand_core = { version = "0.6", features = ["std"] }
+rand_core = { version = "0.6", default-features = false, features = ["std"] }
 ff-group-tests = { path = "../ff-group-tests" }
+
+[features]
+std = ["zeroize/std", "subtle/std", "rand_core/std", "digest/std", "sha2/std"]
+default = ["std"]
diff --git a/crypto/dkg/Cargo.toml b/crypto/dkg/Cargo.toml
index efc00587..ac26d3a9 100644
--- a/crypto/dkg/Cargo.toml
+++ b/crypto/dkg/Cargo.toml
@@ -40,16 +40,22 @@ ciphersuite = { path = "../ciphersuite", default-features = false, features = ["
 [features]
 std = [
   "thiserror",
+
   "rand_core/std",
 
   "std-shims/std",
 
-  "ciphersuite/std",
+  "serde/std",
 
-  "multiexp/batch",
+  "transcript/std",
+  "chacha20/std",
+
+  "ciphersuite/std",
   "multiexp/std",
+  "multiexp/batch",
 
   "schnorr/std",
+  "dleq/std",
   "dleq/serialize"
 ]
 serde = ["dep:serde"]
diff --git a/crypto/dleq/Cargo.toml b/crypto/dleq/Cargo.toml
index 0e41ad5c..36da9765 100644
--- a/crypto/dleq/Cargo.toml
+++ b/crypto/dleq/Cargo.toml
@@ -41,15 +41,18 @@ dalek-ff-group = { path = "../dalek-ff-group" }
 transcript = { package = "flexible-transcript", path = "../transcript", features = ["recommended"] }
 
 [features]
-std = []
+std = ["rand_core/std", "zeroize/std", "digest/std", "transcript/std", "ff/std", "multiexp?/std"]
 serialize = ["std"]
 
 # Needed for cross-group DLEqs
 secure_capacity_difference = []
 experimental = ["std", "thiserror", "multiexp"]
 
-# Only applies to experimental, yet is default to ensure security
-# experimental doesn't mandate it itself in case two curves with extreme
-# capacity differences are desired to be used together, in which case the user
-# must specify experimental without default features
-default = ["secure_capacity_difference"]
+default = [
+  "std",
+  # Only applies to experimental, yet is default to ensure security
+  # experimental doesn't mandate it itself in case two curves with extreme
+  # capacity differences are desired to be used together, in which case the user
+  # must specify experimental without default features
+  "secure_capacity_difference"
+]
diff --git a/crypto/ed448/Cargo.toml b/crypto/ed448/Cargo.toml
index c9184ed0..ce8f0f5e 100644
--- a/crypto/ed448/Cargo.toml
+++ b/crypto/ed448/Cargo.toml
@@ -28,8 +28,12 @@ generic-array = { version = "1", default-features = false }
 crypto-bigint = { version = "0.5", default-features = false, features = ["zeroize"] }
 
 [dev-dependencies]
-hex = "0.4"
+hex = { version = "0.4", default-features = false, features = ["std"] }
 
-rand_core = { version = "0.6", features = ["std"] }
+rand_core = { version = "0.6", default-features = false, features = ["std"] }
 
 ff-group-tests = { path = "../ff-group-tests" }
+
+[features]
+std = ["rand_core/std", "zeroize/std", "subtle/std", "ff/std"]
+default = ["std"]
diff --git a/crypto/multiexp/Cargo.toml b/crypto/multiexp/Cargo.toml
index d9231d0f..128fca4a 100644
--- a/crypto/multiexp/Cargo.toml
+++ b/crypto/multiexp/Cargo.toml
@@ -32,7 +32,7 @@ k256 = { version = "^0.13.1", default-features = false, features = ["arithmetic"
 dalek-ff-group = { path = "../dalek-ff-group" }
 
 [features]
-std = ["std-shims/std", "zeroize/std"]
+std = ["std-shims/std", "zeroize/std", "ff/std", "rand_core/std"]
 
 batch = ["rand_core"]
 
diff --git a/crypto/schnorr/Cargo.toml b/crypto/schnorr/Cargo.toml
index 191b3289..fc03a10b 100644
--- a/crypto/schnorr/Cargo.toml
+++ b/crypto/schnorr/Cargo.toml
@@ -36,5 +36,5 @@ dalek-ff-group = { path =  "../dalek-ff-group" }
 ciphersuite = { path = "../ciphersuite", features = ["ed25519"] }
 
 [features]
-std = ["std-shims/std", "ciphersuite/std", "multiexp/std"]
+std = ["std-shims/std", "rand_core/std", "zeroize/std", "transcript/std", "ciphersuite/std", "multiexp/std"]
 default = ["std"]
diff --git a/crypto/transcript/Cargo.toml b/crypto/transcript/Cargo.toml
index e5526121..eba5da7e 100644
--- a/crypto/transcript/Cargo.toml
+++ b/crypto/transcript/Cargo.toml
@@ -29,6 +29,8 @@ sha2 = { version = "0.10", default-features = false }
 blake2 = { version = "0.10", default-features = false }
 
 [features]
+std = ["subtle/std", "zeroize/std", "digest/std", "blake2?/std", "merlin?/std"]
 recommended = ["blake2"]
 merlin = ["dep:merlin"]
 tests = []
+default = ["std"]
diff --git a/message-queue/Cargo.toml b/message-queue/Cargo.toml
index d0911789..d131e422 100644
--- a/message-queue/Cargo.toml
+++ b/message-queue/Cargo.toml
@@ -15,28 +15,29 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
 # Macros
-lazy_static = "1"
-serde = { version = "1", features = ["derive"] }
+lazy_static = { version = "1", default-features = false }
+serde = { version = "1", default-features = false, features = ["std", "derive"] }
 
 # Encoders
-hex = "0.4"
-bincode = "1"
-serde_json = "1"
+hex = { version = "0.4", default-features = false, features = ["std"] }
+bincode = { version = "1", default-features = false }
+serde_json = { version = "1", default-features = false, features = ["std"] }
 
 # Libs
-zeroize = "1"
-rand_core = "0.6"
+zeroize = { version = "1", default-features = false, features = ["std"] }
+rand_core = { version = "0.6", default-features = false, features = ["std"] }
 
 # Cryptography
-transcript = { package = "flexible-transcript", path = "../crypto/transcript", features = ["recommended"] }
-ciphersuite = { path = "../crypto/ciphersuite", features = ["ristretto"] }
-schnorr-signatures = { path = "../crypto/schnorr" }
+transcript = { package = "flexible-transcript", path = "../crypto/transcript", default-features = false, features = ["std", "recommended"] }
+ciphersuite = { path = "../crypto/ciphersuite", default-features = false, features = ["std", "ristretto"] }
+schnorr-signatures = { path = "../crypto/schnorr", default-features = false, features = ["std"] }
 
 # Application
-log = "0.4"
-env_logger = "0.10"
+log = { version = "0.4", default-features = false, features = ["std"] }
+env_logger = { version = "0.10", default-features = false, features = ["humantime"] }
 
-tokio = { version = "1", features = ["rt-multi-thread", "time", "macros"] }
+# Uses a single threaded runtime since this shouldn't ever be CPU-bound
+tokio = { version = "1", default-features = false, features = ["rt", "time", "macros"] }
 
 serai-db = { path = "../common/db", optional = true }
 
@@ -44,8 +45,8 @@ serai-env = { path = "../common/env" }
 
 serai-primitives = { path = "../substrate/primitives" }
 
-jsonrpsee = { version = "0.16", features = ["server"], optional = true }
-reqwest = { version = "0.11", features = ["json"] }
+jsonrpsee = { version = "0.16", default-features = false, features = ["server"], optional = true }
+reqwest = { version = "0.11", default-features = false, features = ["json"] }
 
 [features]
 binaries = ["serai-db", "serai-db/rocksdb", "jsonrpsee"]
diff --git a/processor/Cargo.toml b/processor/Cargo.toml
index 2418d850..50d1a61e 100644
--- a/processor/Cargo.toml
+++ b/processor/Cargo.toml
@@ -15,47 +15,44 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
 # Macros
-async-trait = "0.1"
-lazy_static = "1"
-zeroize = "1"
-thiserror = "1"
-serde = { version = "1", default-features = false, features = ["derive"] }
+async-trait = { version = "0.1", default-features = false }
+lazy_static = { version = "1", default-features = false }
+zeroize = { version = "1", default-features = false, features = ["std"] }
+thiserror = { version = "1", default-features = false }
+serde = { version = "1", default-features = false, features = ["std", "derive"] }
 
 # Libs
-rand_core = { version = "0.6", default-features = false, features = ["getrandom"] }
-rand_chacha = { version = "0.3", default-features = false }
+rand_core = { version = "0.6", default-features = false, features = ["std", "getrandom"] }
+rand_chacha = { version = "0.3", default-features = false, features = ["std"] }
 
 # Encoders
-hex = "0.4"
-scale = { package = "parity-scale-codec", version = "3" }
+hex = { version = "0.4", default-features = false, features = ["std"] }
+scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["std"] }
 bincode = { version = "1", default-features = false }
-serde_json = { version = "1", default-features = false }
+serde_json = { version = "1", default-features = false, features = ["std"] }
 
 # Cryptography
-ciphersuite = { path = "../crypto/ciphersuite", default-features = false, features = ["ristretto"] }
+ciphersuite = { path = "../crypto/ciphersuite", default-features = false, features = ["std", "ristretto"] }
 
-transcript = { package = "flexible-transcript", default-features = false, path = "../crypto/transcript" }
-frost = { package = "modular-frost", path = "../crypto/frost", features = ["ristretto"] }
-frost-schnorrkel = { path = "../crypto/schnorrkel" }
-
-# Substrate
-sp-application-crypto = { git = "https://github.com/serai-dex/substrate", default-features = false }
+transcript = { package = "flexible-transcript", path = "../crypto/transcript", default-features = false, features = ["std"] }
+frost = { package = "modular-frost", path = "../crypto/frost", default-features = false, features = ["ristretto"] }
+frost-schnorrkel = { path = "../crypto/schnorrkel", default-features = false }
 
 # Bitcoin
-secp256k1 = { version = "0.28", features = ["global-context", "rand-std"], optional = true }
-k256 = { version = "^0.13.1", optional = true }
-bitcoin-serai = { path = "../coins/bitcoin", optional = true }
+secp256k1 = { version = "0.28", default-features = false, features = ["std", "global-context", "rand-std"], optional = true }
+k256 = { version = "^0.13.1", default-features = false, features = ["std"], optional = true }
+bitcoin-serai = { path = "../coins/bitcoin", default-features = false, features = ["std"], optional = true }
 
 # Monero
-dalek-ff-group = { path = "../crypto/dalek-ff-group", optional = true }
-monero-serai = { path = "../coins/monero", features = ["multisig"], optional = true }
+dalek-ff-group = { path = "../crypto/dalek-ff-group", default-features = false, features = ["std"], optional = true }
+monero-serai = { path = "../coins/monero", default-features = false, features = ["std", "http-rpc", "multisig"], optional = true }
 
 # Application
-log = "0.4"
-env_logger = "0.10"
-tokio = { version = "1", features = ["rt-multi-thread", "sync", "time", "macros"] }
+log = { version = "0.4", default-features = false, features = ["std"] }
+env_logger = { version = "0.10", default-features = false, features = ["humantime"] }
+tokio = { version = "1", default-features = false, features = ["rt-multi-thread", "sync", "time", "macros"] }
 
-serai-db = { path = "../common/db", default-features = false, features = ["rocksdb"] }
+serai-db = { path = "../common/db", features = ["rocksdb"] }
 serai-env = { path = "../common/env" }
 serai-client = { path = "../substrate/client", default-features = false }
 
@@ -64,11 +61,11 @@ messages = { package = "serai-processor-messages", path = "./messages" }
 message-queue = { package = "serai-message-queue", path = "../message-queue" }
 
 [dev-dependencies]
-futures = "0.3"
+futures = { version = "0.3", default-features = false }
 
 frost = { package = "modular-frost", path = "../crypto/frost", features = ["tests"] }
 
-env_logger = "0.10"
+sp-application-crypto = { git = "https://github.com/serai-dex/substrate", default-features = false, features = ["std"] }
 
 dockertest = "0.4"
 serai-docker-tests = { path = "../tests/docker" }
diff --git a/processor/messages/Cargo.toml b/processor/messages/Cargo.toml
index b4078f90..98684ed3 100644
--- a/processor/messages/Cargo.toml
+++ b/processor/messages/Cargo.toml
@@ -14,14 +14,14 @@ all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
-zeroize = { version = "1", features = ["derive"] }
+zeroize = { version = "1", default-features = false, features = ["std", "derive"] }
 
-scale = { package = "parity-scale-codec", version = "3", default-features = false }
-serde = { version = "1", features = ["derive"] }
+scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["std"] }
+serde = { version = "1", default-features = false, features = ["std", "derive"] }
 
-dkg = { path = "../../crypto/dkg", features = ["serde"] }
+dkg = { path = "../../crypto/dkg", default-features = false, features = ["std", "serde"] }
 
-serai-primitives = { path = "../../substrate/primitives" }
-in-instructions-primitives = { package = "serai-in-instructions-primitives", path = "../../substrate/in-instructions/primitives" }
-coins-primitives = { package = "serai-coins-primitives", path = "../../substrate/coins/primitives" }
-validator-sets-primitives = { package = "serai-validator-sets-primitives", path = "../../substrate/validator-sets/primitives" }
+serai-primitives = { path = "../../substrate/primitives", default-features = false, features = ["std"] }
+in-instructions-primitives = { package = "serai-in-instructions-primitives", path = "../../substrate/in-instructions/primitives", default-features = false, features = ["std"] }
+coins-primitives = { package = "serai-coins-primitives", path = "../../substrate/coins/primitives", default-features = false, features = ["std"] }
+validator-sets-primitives = { package = "serai-validator-sets-primitives", path = "../../substrate/validator-sets/primitives", default-features = false, features = ["std"] }