diff --git a/Cargo.lock b/Cargo.lock
index f005138..cffcc97 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -76,6 +76,12 @@ version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
+[[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -145,6 +151,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -180,6 +192,34 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.41",
+]
+
 [[package]]
 name = "dashmap"
 version = "5.5.3"
@@ -199,6 +239,16 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
 
+[[package]]
+name = "der"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
+dependencies = [
+ "const-oid",
+ "zeroize",
+]
+
 [[package]]
 name = "deranged"
 version = "0.3.10"
@@ -219,6 +269,30 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "ed25519"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
+dependencies = [
+ "pkcs8",
+ "signature",
+]
+
+[[package]]
+name = "ed25519-dalek"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f628eaec48bfd21b865dc2950cfa014450c01d2fa2b69a86c2fd5844ec523c0"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "serde",
+ "sha2",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "enum-as-inner"
 version = "0.5.1"
@@ -252,6 +326,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
+[[package]]
+name = "fiat-crypto"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27573eac26f4dd11e2b1916c3fe1baa56407c83c71a773a8ba17ec0bca03b6b7"
+
 [[package]]
 name = "finl_unicode"
 version = "1.2.0"
@@ -832,6 +912,22 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
+[[package]]
+name = "platforms"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14e6ab3f592e6fb464fc9712d8d6e6912de6473954635fd76a589d832cffcbb0"
+
 [[package]]
 name = "postgres-protocol"
 version = "0.6.6"
@@ -902,12 +998,12 @@ name = "quizzo-api"
 version = "0.7.0"
 dependencies = [
  "dashmap",
+ "ed25519-dalek",
  "hex",
  "http-body-util",
  "hyper 1.1.0",
  "log",
  "quizzo-db",
- "ring 0.17.7",
  "serde_json",
  "tokio",
  "twilight-http",
@@ -1015,6 +1111,15 @@ version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustls"
 version = "0.20.9"
@@ -1101,6 +1206,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
+
 [[package]]
 name = "serde"
 version = "1.0.193"
@@ -1173,6 +1284,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "rand_core",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.3.11"
@@ -1216,6 +1336,16 @@ version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
 [[package]]
 name = "stringprep"
 version = "0.1.4"
@@ -1804,3 +1934,9 @@ name = "windows_x86_64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
+[[package]]
+name = "zeroize"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
diff --git a/crates/api/Cargo.toml b/crates/api/Cargo.toml
index 148d6aa..194556b 100644
--- a/crates/api/Cargo.toml
+++ b/crates/api/Cargo.toml
@@ -6,11 +6,11 @@ edition = "2021"
 [dependencies]
 dashmap = { version = "5.5", default-features = false }
 db = { path = "../db", package = "quizzo-db" }
+ed25519-dalek = "2.1"
 hex = { version = "0.4", default-features = false }
 http-body-util = "0.1.0"
 hyper = { version = "1", default-features = false }
 log = "0.4"
-ring = { version = "0.17", default-features = false }
 serde_json = "1"
 twilight-model = "0.15"
 
diff --git a/crates/api/src/lib.rs b/crates/api/src/lib.rs
index df343c4..194416c 100644
--- a/crates/api/src/lib.rs
+++ b/crates/api/src/lib.rs
@@ -7,20 +7,20 @@ use hyper::{
     body::{Bytes, Incoming},
     Request, Response, StatusCode,
 };
-use ring::signature::UnparsedPublicKey;
 
 pub use db::{Client, Config, Database, NoTls};
+pub use ed25519_dalek::VerifyingKey;
 
 pub struct App {
     /// Command handler.
     bot: Bot,
     /// Ed25519 public key.
-    public: UnparsedPublicKey<Box<[u8]>>,
+    public: VerifyingKey,
 }
 
 impl App {
-    pub fn new(db: Database, id: NonZeroU64, token: String, public: Box<[u8]>) -> Self {
-        Self { bot: Bot::new(db, id, token), public: UnparsedPublicKey::new(&ring::signature::ED25519, public) }
+    pub fn new(db: Database, id: NonZeroU64, token: String, public: VerifyingKey) -> Self {
+        Self { bot: Bot::new(db, id, token), public }
     }
 
     pub async fn try_respond(&self, req: Request<Incoming>) -> Result<Response<Full<Bytes>>, StatusCode> {
@@ -59,6 +59,7 @@ impl App {
         let (sig, timestamp) = signature.zip(timestamp).ok_or(StatusCode::UNAUTHORIZED)?;
         let mut signature = [0; 64];
         hex::decode_to_slice(sig, &mut signature).map_err(|_| StatusCode::BAD_REQUEST)?;
+        let signature = ed25519_dalek::Signature::from_bytes(&signature);
 
         // Append body after the timestamp
         use http_body_util::BodyExt;
@@ -79,7 +80,7 @@ impl App {
         log::debug!("Fully received payload body.");
 
         // Validate the challenge
-        self.public.verify(&message, &signature).map_err(|_| StatusCode::UNAUTHORIZED)?;
+        self.public.verify_strict(&message, &signature).map_err(|_| StatusCode::UNAUTHORIZED)?;
 
         // Parse incoming interaction
         let payload = message.get(start..).ok_or(StatusCode::BAD_REQUEST)?;
diff --git a/src/main.rs b/src/main.rs
index d5133af..bb92ead 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,8 +13,10 @@ fn main() -> anyhow::Result<()> {
 
     // Retrieve the public key
     use std::env::{var, VarError};
-    let key = var("PUB_KEY")?;
-    let pub_key = hex::decode(key)?.into_boxed_slice();
+    let pub_key = var("PUB_KEY")?.into_bytes();
+    let mut pub_bytes = [0; 32];
+    hex::decode_to_slice(pub_key, &mut pub_bytes)?;
+    let pub_key = api::VerifyingKey::from_bytes(&pub_bytes)?;
 
     // Set up Postgres driver configuration
     let app_port = var("PORT")?.parse()?;