diff --git a/veilid-core/Cargo.toml b/veilid-core/Cargo.toml
index 926c0fd2..66d2aa04 100644
--- a/veilid-core/Cargo.toml
+++ b/veilid-core/Cargo.toml
@@ -10,7 +10,8 @@ license = "LGPL-2.0-or-later OR MPL-2.0 OR (MIT AND BSD-3-Clause)"
 crate-type = ["cdylib", "staticlib", "rlib"]
 
 [features]
-default = [ "enable-crypto-none", "enable-crypto-vld0" ]
+default = [ "enable-crypto-vld0" ]
+crypto-test = [ "enable-crypto-vld0", "enable-crypto-none" ]
 enable-crypto-vld0 = []
 enable-crypto-none = []
 rt-async-std = ["async-std", "async-std-resolver", "async_executors/async_std", "rtnetlink?/smol_socket", "veilid-tools/rt-async-std"]
diff --git a/veilid-flutter/rust/Cargo.toml b/veilid-flutter/rust/Cargo.toml
index 933a37df..8b8b0773 100644
--- a/veilid-flutter/rust/Cargo.toml
+++ b/veilid-flutter/rust/Cargo.toml
@@ -7,12 +7,13 @@ edition = "2021"
 crate-type = ["cdylib", "staticlib", "rlib"]
 
 [features]
-default = [ "rt-tokio" ]
+default = [ "rt-tokio", "veilid-core/default" ]
+crypto-test = [ "rt-tokio", "veilid-core/crypto-test"]
 rt-async-std = [ "veilid-core/rt-async-std", "async-std", "opentelemetry/rt-async-std", "opentelemetry-otlp/grpc-sys"]
 rt-tokio = [ "veilid-core/rt-tokio", "tokio", "tokio-stream", "tokio-util", "opentelemetry/rt-tokio"]
 
 [dependencies]
-veilid-core = { path="../../veilid-core" }
+veilid-core = { path="../../veilid-core", default-features = false }
 tracing = { version = "^0", features = ["log", "attributes"] }
 tracing-subscriber = "^0"
 parking_lot = "^0"
diff --git a/veilid-server/Cargo.toml b/veilid-server/Cargo.toml
index 9a31f676..72664670 100644
--- a/veilid-server/Cargo.toml
+++ b/veilid-server/Cargo.toml
@@ -11,13 +11,15 @@ name = "veilid-server"
 path = "src/main.rs"
 
 [features]
-default = [ "rt-tokio" ]
+default = [ "rt-tokio", "veilid-core/default" ]
+crypto-test = [ "rt-tokio", "veilid-core/crypto-test"]
+
 rt-async-std = [ "veilid-core/rt-async-std", "async-std", "opentelemetry/rt-async-std", "opentelemetry-otlp/grpc-sys" ]
 rt-tokio = [ "veilid-core/rt-tokio", "tokio", "tokio-stream", "tokio-util", "opentelemetry/rt-tokio", "console-subscriber" ]
 tracking = [ "veilid-core/tracking" ]
 
 [dependencies]
-veilid-core = { path = "../veilid-core" }
+veilid-core = { path = "../veilid-core", default-features = false }
 tracing = { version = "^0", features = ["log", "attributes"] }
 tracing-subscriber = { version = "^0", features = ["env-filter"] }
 tracing-appender = "^0"
diff --git a/veilid-wasm/Cargo.toml b/veilid-wasm/Cargo.toml
index 2d21b445..b253fbf1 100644
--- a/veilid-wasm/Cargo.toml
+++ b/veilid-wasm/Cargo.toml
@@ -8,8 +8,13 @@ license = "LGPL-2.0-or-later OR MPL-2.0 OR (MIT AND BSD-3-Clause)"
 [lib]
 crate-type = ["cdylib", "rlib"]
 
+
+[features]
+default = [ "veilid-core/rt-tokio", "veilid-core/default" ]
+crypto-test = [ "veilid-core/rt-tokio", "veilid-core/crypto-test"]
+
 [dependencies]
-veilid-core = { path = "../veilid-core" }
+veilid-core = { path = "../veilid-core", default-features = false  }
 
 tracing = { version = "^0", features = ["log", "attributes"] }
 tracing-wasm = "^0"