diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..0e465b2
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[target.wasm32-unknown-unknown]
+rustflags = ["--cfg", "getrandom_backend=\"wasm_js\""]
diff --git a/Cargo.lock b/Cargo.lock
index f6b95b4..aed7148 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -129,6 +129,7 @@ dependencies = [
  "console_error_panic_hook",
  "derive_more",
  "error_reporter",
+ "getrandom 0.3.1",
  "http 1.2.0",
  "leptos",
  "leptos_axum",
@@ -343,9 +344,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.11"
+version = "1.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4730490333d58093109dc02c23174c3f4d490998c3fed3cc8e82d57afedb9cf"
+checksum = "755717a7de9ec452bf7f3f1a3099085deabd7f2962b861dae91ecd7a365903d2"
 dependencies = [
  "shlex",
 ]
@@ -859,10 +860,24 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "libc",
+ "wasi 0.13.3+wasi-0.2.2",
+ "wasm-bindgen",
+ "windows-targets",
+]
+
 [[package]]
 name = "gimli"
 version = "0.31.1"
@@ -1448,9 +1463,9 @@ checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
 [[package]]
 name = "js-sys"
-version = "0.3.76"
+version = "0.3.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
+checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
 dependencies = [
  "once_cell",
  "wasm-bindgen",
@@ -1473,7 +1488,7 @@ dependencies = [
  "cfg-if",
  "either_of",
  "futures",
- "getrandom",
+ "getrandom 0.2.15",
  "hydration_context",
  "leptos_config",
  "leptos_dom",
@@ -1800,7 +1815,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2886843bf800fba2e3377cff24abf6379b4c4d5c6681eaf9ea5b0d15090450bd"
 dependencies = [
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.52.0",
 ]
 
@@ -1898,9 +1913,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.20.2"
+version = "1.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
+checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
 
 [[package]]
 name = "or_poisoned"
@@ -2117,7 +2132,7 @@ checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
 dependencies = [
  "rand_chacha 0.9.0",
  "rand_core 0.9.0",
- "zerocopy 0.8.16",
+ "zerocopy 0.8.17",
 ]
 
 [[package]]
@@ -2146,7 +2161,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
 ]
 
 [[package]]
@@ -2155,7 +2170,8 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b08f3c9802962f7e1b25113931d94f43ed9725bebc59db9d0c3e9a23b67e15ff"
 dependencies = [
- "zerocopy 0.8.16",
+ "getrandom 0.3.1",
+ "zerocopy 0.8.17",
 ]
 
 [[package]]
@@ -2305,9 +2321,9 @@ checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
 [[package]]
 name = "rustc-hash"
-version = "2.1.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7fb8039b3032c191086b10f11f319a6e99e1e82889c5cc6046f515c9db1d497"
+checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
 
 [[package]]
 name = "rustversion"
@@ -2755,9 +2771,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.19"
+version = "0.8.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
+checksum = "cd87a5cdd6ffab733b2f74bc4fd7ee5fff6634124999ac278c35fc78c6120148"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -3039,12 +3055,14 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.12.1"
+version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3758f5e68192bb96cc8f9b7e2c2cfdabb435499a28499a42f8f984092adad4b"
+checksum = "ced87ca4be083373936a67f8de945faa23b6b42384bd5b64434850802c6dccd0"
 dependencies = [
- "getrandom",
+ "getrandom 0.3.1",
+ "js-sys",
  "serde",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -3076,21 +3094,31 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
-name = "wasm-bindgen"
-version = "0.2.99"
+name = "wasi"
+version = "0.13.3+wasi-0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
+checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
 dependencies = [
  "cfg-if",
  "once_cell",
+ "rustversion",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
+checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
 dependencies = [
  "bumpalo",
  "log",
@@ -3102,9 +3130,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.49"
+version = "0.4.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38176d9b44ea84e9184eff0bc34cc167ed044f816accfe5922e54d84cf48eca2"
+checksum = "555d470ec0bc3bb57890405e5d4322cc9ea83cebb085523ced7be4144dac1e61"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -3115,9 +3143,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
+checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -3125,9 +3153,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
+checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3138,9 +3166,12 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
+checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+dependencies = [
+ "unicode-ident",
+]
 
 [[package]]
 name = "wasm-streams"
@@ -3157,9 +3188,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.76"
+version = "0.3.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04dd7223427d52553d3702c004d3b2fe07c148165faa56313cb00211e31c12bc"
+checksum = "33b6dd2ef9186f1f2072e409e99cd22a975331a6b3591b12c764e0e55c60d5d2"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -3296,6 +3327,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "write16"
 version = "1.0.0"
@@ -3362,11 +3402,11 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.16"
+version = "0.8.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b8c07a70861ce02bad1607b5753ecb2501f67847b9f9ada7c160fff0ec6300c"
+checksum = "aa91407dacce3a68c56de03abe2760159582b846c6a4acd2f456618087f12713"
 dependencies = [
- "zerocopy-derive 0.8.16",
+ "zerocopy-derive 0.8.17",
 ]
 
 [[package]]
@@ -3382,9 +3422,9 @@ dependencies = [
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.16"
+version = "0.8.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5226bc9a9a9836e7428936cde76bb6b22feea1a8bfdbc0d241136e4d13417e25"
+checksum = "06718a168365cad3d5ff0bb133aad346959a2074bd4a85c121255a11304a8626"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/crates/ascend/Cargo.toml b/crates/ascend/Cargo.toml
index 9648a39..30733b5 100644
--- a/crates/ascend/Cargo.toml
+++ b/crates/ascend/Cargo.toml
@@ -27,7 +27,7 @@ leptos_axum = { version = "0.7", optional = true }
 leptos_meta = { version = "0.7" }
 leptos_router = { version = "0.7.0" }
 moonboard-parser = { workspace = true, optional = true }
-rand = { version = "0.9", default-features = false, features = ["std_rng"] }
+rand = { version = "0.9", default-features = false, features = ["thread_rng"] }
 ron = { version = "0.8" }
 serde = { version = "1", features = ["derive"] }
 server_fn = { version = "0.7.4", features = ["cbor"] }
@@ -39,7 +39,7 @@ tracing = { version = "0.1" }
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 tracing-subscriber-wasm = "0.1.0"
 type-toppings = { version = "0.2.1", features = ["result", "iterator"] }
-wasm-bindgen = "=0.2.99"
+wasm-bindgen = "=0.2.100"
 web-sys = { version = "0.3.76", features = ["File", "FileList"] }
 xdg = { version = "2.5", optional = true }
 uuid = { version = "1.12", features = ["serde", "v4"] }
@@ -48,12 +48,13 @@ bincode = { version = "1.3", optional = true }
 serde_json = { version = "1" }
 codee = { version = "0.3" }
 error_reporter = { version = "1" }
+getrandom = { version = "0.3.1" }
 
 [dev-dependencies.serde_json]
 version = "1"
 
 [features]
-hydrate = ["leptos/hydrate"]
+hydrate = ["leptos/hydrate", "getrandom/wasm_js", "uuid/js"]
 ssr = [
   "dep:axum",
   "dep:redb",
diff --git a/crates/ascend/src/pages/wall.rs b/crates/ascend/src/pages/wall.rs
index 5094b9f..aebb637 100644
--- a/crates/ascend/src/pages/wall.rs
+++ b/crates/ascend/src/pages/wall.rs
@@ -90,10 +90,9 @@ fn Ready(wall: models::Wall) -> impl leptos::IntoView {
             async move {
                 tracing::info!("Loading random problem");
 
-                // TODO: seed properly
                 use rand::seq::IteratorRandom;
-                let rng = &mut rand::rngs::StdRng::seed_from_u64(0);
-                let random_problem = problems.iter().choose(rng);
+                let mut rng = rand::rng();
+                let random_problem = problems.iter().choose(&mut rng);
 
                 let problem = if let Some(random_problem) = random_problem {
                     crate::server_functions::get_problem(wall_uid, *random_problem)
diff --git a/flake.lock b/flake.lock
index 62e8c5d..51e5c06 100644
--- a/flake.lock
+++ b/flake.lock
@@ -25,11 +25,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1736420959,
-        "narHash": "sha256-dMGNa5UwdtowEqQac+Dr0d2tFO/60ckVgdhZU9q2E2o=",
+        "lastModified": 1738797219,
+        "narHash": "sha256-KRwX9Z1XavpgeSDVM/THdFd6uH8rNm/6R+7kIbGa+2s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "32af3611f6f05655ca166a0b1f47b57c762b5192",
+        "rev": "1da52dd49a127ad74486b135898da2cef8c62665",
         "type": "github"
       },
       "original": {
@@ -53,11 +53,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1736649126,
-        "narHash": "sha256-XCw5sv/ePsroqiF3lJM6Y2X9EhPdHeE47gr3Q8b0UQw=",
+        "lastModified": 1738895285,
+        "narHash": "sha256-4Ukr4reJfQ67c6QqIxbX47wnPIGxE8BXCAEPu1C3MFM=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "162ab0edc2936508470199b2e8e6c444a2535019",
+        "rev": "85f3aed5f4b8eb312c6e8fe8c476bac248aed75f",
         "type": "github"
       },
       "original": {