diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebd62211..131c786a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `EncryptedThresholdDecryptionRequest`/`EncryptedThresholdDecryptionResponse` types and bindings. ([#52])`
 
 
+### Changed
+
+- Bumped MSRV to 1.65. ([#52])
+
+
 [#52]: https://github.com/nucypher/nucypher-core/pull/52
 
 
diff --git a/nucypher-core-python/nucypher_core/__init__.py b/nucypher-core-python/nucypher_core/__init__.py
index 9c967d27..501c856f 100644
--- a/nucypher-core-python/nucypher_core/__init__.py
+++ b/nucypher-core-python/nucypher_core/__init__.py
@@ -18,7 +18,7 @@
     MetadataResponse,
     MetadataResponsePayload,
     ThresholdDecryptionRequest,
-    E2EEThresholdDecryptionRequest,
+    E2EThresholdDecryptionRequest,
     ThresholdDecryptionResponse,
     EncryptedThresholdDecryptionRequest,
     EncryptedThresholdDecryptionResponse,
diff --git a/nucypher-core-python/nucypher_core/__init__.pyi b/nucypher-core-python/nucypher_core/__init__.pyi
index 236a61b4..0ec56072 100644
--- a/nucypher-core-python/nucypher_core/__init__.pyi
+++ b/nucypher-core-python/nucypher_core/__init__.pyi
@@ -408,20 +408,15 @@ class ThresholdDecryptionRequest:
     def __init__(self, ritual_id: int, variant: int, ciphertext: bytes, conditions: Optional[Conditions], context: Optional[Context]):
         ...
 
-    def id(self) -> int:
-        ...
+    ritual_id: int
 
-    def conditions(self) -> Optional[Conditions]:
-        ...
+    conditions: Optional[Conditions]
 
-    def context(self) -> Optional[Context]:
-        ...
+    context: Optional[Context]
 
-    def variant(self) -> int:
-        ...
+    variant: int
 
-    def ciphertext(self) -> bytes:
-        ...
+    ciphertext: bytes
 
     def encrypt(self, request_encrypting_key: PublicKey, response_encrypting_key: PublicKey) -> EncryptedThresholdDecryptionRequest:
         ...
@@ -434,16 +429,14 @@ class ThresholdDecryptionRequest:
         ...
 
 
-class E2EEThresholdDecryptionRequest:
+class E2EThresholdDecryptionRequest:
 
-    def decryption_request(self) -> ThresholdDecryptionRequest:
-        ...
+    decryption_request: ThresholdDecryptionRequest
 
-    def response_encrypting_key(self) -> PublicKey:
-        ...
+    response_encrypting_key: PublicKey
 
     @staticmethod
-    def from_bytes(data: bytes) -> E2EEThresholdDecryptionRequest:
+    def from_bytes(data: bytes) -> E2EThresholdDecryptionRequest:
         ...
 
     def __bytes__(self) -> bytes:
@@ -451,13 +444,12 @@ class E2EEThresholdDecryptionRequest:
 
 
 class EncryptedThresholdDecryptionRequest:
-    def id(self) -> int:
-        ...
+    ritual_id: int
 
     def decrypt(
         self,
         sk: SecretKey
-    ) -> E2EEThresholdDecryptionRequest:
+    ) -> E2EThresholdDecryptionRequest:
         ...
 
     @staticmethod
@@ -473,8 +465,7 @@ class ThresholdDecryptionResponse:
     def __init__(self, decryption_share: bytes):
         ...
 
-    def decryption_share(self) -> bytes:
-        ...
+    decryption_share: bytes
 
     def encrypt(self, encrypting_key: PublicKey) -> EncryptedThresholdDecryptionResponse:
         ...
@@ -487,7 +478,6 @@ class ThresholdDecryptionResponse:
         ...
 
 
-
 class EncryptedThresholdDecryptionResponse:
 
     def decrypt(
diff --git a/nucypher-core-python/src/lib.rs b/nucypher-core-python/src/lib.rs
index 87fa3248..1f10a42c 100644
--- a/nucypher-core-python/src/lib.rs
+++ b/nucypher-core-python/src/lib.rs
@@ -645,7 +645,7 @@ pub struct ThresholdDecryptionRequest {
 impl ThresholdDecryptionRequest {
     #[new]
     pub fn new(
-        id: u16,
+        ritual_id: u16,
         variant: u8,
         ciphertext: &[u8], // TODO use ferveo Ciphertext type
         conditions: Option<&Conditions>,
@@ -663,7 +663,7 @@ impl ThresholdDecryptionRequest {
 
         Ok(Self {
             backend: nucypher_core::ThresholdDecryptionRequest::new(
-                id,
+                ritual_id,
                 ciphertext,
                 conditions
                     .map(|conditions| conditions.backend.clone())
@@ -675,7 +675,7 @@ impl ThresholdDecryptionRequest {
     }
 
     #[getter]
-    pub fn id(&self) -> u16 {
+    pub fn ritual_id(&self) -> u16 {
         self.backend.ritual_id
     }
 
@@ -734,16 +734,16 @@ impl ThresholdDecryptionRequest {
 }
 
 //
-// E2EEThresholdDecryptionRequest
+// E2EThresholdDecryptionRequest
 //
 #[pyclass(module = "nucypher_core")]
 #[derive(derive_more::From, derive_more::AsRef)]
-pub struct E2EEThresholdDecryptionRequest {
-    backend: nucypher_core::E2EEThresholdDecryptionRequest,
+pub struct E2EThresholdDecryptionRequest {
+    backend: nucypher_core::E2EThresholdDecryptionRequest,
 }
 
 #[pymethods]
-impl E2EEThresholdDecryptionRequest {
+impl E2EThresholdDecryptionRequest {
     #[getter]
     pub fn decryption_request(&self) -> ThresholdDecryptionRequest {
         self.backend.decryption_request.clone().into()
@@ -756,7 +756,7 @@ impl E2EEThresholdDecryptionRequest {
 
     #[staticmethod]
     pub fn from_bytes(data: &[u8]) -> PyResult<Self> {
-        from_bytes::<_, nucypher_core::E2EEThresholdDecryptionRequest>(data)
+        from_bytes::<_, nucypher_core::E2EThresholdDecryptionRequest>(data)
     }
 
     fn __bytes__(&self) -> PyObject {
@@ -777,14 +777,14 @@ pub struct EncryptedThresholdDecryptionRequest {
 #[pymethods]
 impl EncryptedThresholdDecryptionRequest {
     #[getter]
-    pub fn id(&self) -> u16 {
+    pub fn ritual_id(&self) -> u16 {
         self.backend.ritual_id
     }
 
-    pub fn decrypt(&self, sk: &SecretKey) -> PyResult<E2EEThresholdDecryptionRequest> {
+    pub fn decrypt(&self, sk: &SecretKey) -> PyResult<E2EThresholdDecryptionRequest> {
         self.backend
             .decrypt(sk.as_ref())
-            .map(E2EEThresholdDecryptionRequest::from)
+            .map(E2EThresholdDecryptionRequest::from)
             .map_err(|err| PyValueError::new_err(format!("{}", err)))
     }
 
@@ -1333,7 +1333,7 @@ fn _nucypher_core(py: Python, m: &PyModule) -> PyResult<()> {
     m.add_class::<MetadataResponsePayload>()?;
     m.add_class::<MetadataResponse>()?;
     m.add_class::<ThresholdDecryptionRequest>()?;
-    m.add_class::<E2EEThresholdDecryptionRequest>()?;
+    m.add_class::<E2EThresholdDecryptionRequest>()?;
     m.add_class::<ThresholdDecryptionResponse>()?;
     m.add_class::<EncryptedThresholdDecryptionRequest>()?;
     m.add_class::<EncryptedThresholdDecryptionResponse>()?;
diff --git a/nucypher-core-wasm/src/lib.rs b/nucypher-core-wasm/src/lib.rs
index 3c59633e..e8ecec14 100644
--- a/nucypher-core-wasm/src/lib.rs
+++ b/nucypher-core-wasm/src/lib.rs
@@ -572,8 +572,8 @@ impl ThresholdDecryptionRequest {
         )))
     }
 
-    #[wasm_bindgen(getter)]
-    pub fn id(&self) -> u16 {
+    #[wasm_bindgen(getter, js_name = ritualId)]
+    pub fn ritual_id(&self) -> u16 {
         self.0.ritual_id
     }
 
@@ -613,18 +613,18 @@ impl ThresholdDecryptionRequest {
 }
 
 //
-// E2EEThresholdDecryptionRequest
+// E2EThresholdDecryptionRequest
 //
 
 #[wasm_bindgen]
 #[derive(PartialEq, Debug, derive_more::From, derive_more::AsRef)]
-pub struct E2EEThresholdDecryptionRequest(nucypher_core::E2EEThresholdDecryptionRequest);
+pub struct E2EThresholdDecryptionRequest(nucypher_core::E2EThresholdDecryptionRequest);
 
 #[wasm_bindgen]
-impl E2EEThresholdDecryptionRequest {
+impl E2EThresholdDecryptionRequest {
     #[wasm_bindgen(js_name = fromBytes)]
-    pub fn from_bytes(data: &[u8]) -> Result<E2EEThresholdDecryptionRequest, Error> {
-        from_bytes::<_, nucypher_core::E2EEThresholdDecryptionRequest>(data)
+    pub fn from_bytes(data: &[u8]) -> Result<E2EThresholdDecryptionRequest, Error> {
+        from_bytes::<_, nucypher_core::E2EThresholdDecryptionRequest>(data)
     }
 
     #[wasm_bindgen(js_name = toBytes)]
@@ -632,7 +632,7 @@ impl E2EEThresholdDecryptionRequest {
         to_bytes(self)
     }
 
-    #[wasm_bindgen(getter, js_name=decryption_request)]
+    #[wasm_bindgen(getter, js_name=decryptionRequest)]
     pub fn decryption_request(&self) -> ThresholdDecryptionRequest {
         ThresholdDecryptionRequest::from(self.0.decryption_request.clone())
     }
@@ -653,16 +653,16 @@ pub struct EncryptedThresholdDecryptionRequest(nucypher_core::EncryptedThreshold
 
 #[wasm_bindgen]
 impl EncryptedThresholdDecryptionRequest {
-    #[wasm_bindgen(getter)]
-    pub fn id(&self) -> u16 {
+    #[wasm_bindgen(getter, js_name = ritualId)]
+    pub fn ritual_id(&self) -> u16 {
         self.0.ritual_id
     }
 
-    pub fn decrypt(&self, sk: &SecretKey) -> Result<E2EEThresholdDecryptionRequest, Error> {
+    pub fn decrypt(&self, sk: &SecretKey) -> Result<E2EThresholdDecryptionRequest, Error> {
         self.0
             .decrypt(sk.as_ref())
             .map_err(map_js_err)
-            .map(E2EEThresholdDecryptionRequest)
+            .map(E2EThresholdDecryptionRequest)
     }
 
     #[wasm_bindgen(js_name = fromBytes)]
diff --git a/nucypher-core-wasm/tests/wasm.rs b/nucypher-core-wasm/tests/wasm.rs
index b3eea31f..3255bd12 100644
--- a/nucypher-core-wasm/tests/wasm.rs
+++ b/nucypher-core-wasm/tests/wasm.rs
@@ -697,7 +697,7 @@ fn threshold_decryption_request() {
         EncryptedThresholdDecryptionRequest::from_bytes(&encrypted_request_bytes).unwrap();
 
     assert_eq!(encrypted_request_from_bytes, encrypted_request);
-    assert_eq!(encrypted_request_from_bytes.id(), ritual_id);
+    assert_eq!(encrypted_request_from_bytes.ritual_id(), ritual_id);
 
     let e2e_request = encrypted_request_from_bytes
         .decrypt(&request_secret)
diff --git a/nucypher-core/src/dkg.rs b/nucypher-core/src/dkg.rs
index 422c41c6..90f6e684 100644
--- a/nucypher-core/src/dkg.rs
+++ b/nucypher-core/src/dkg.rs
@@ -94,14 +94,14 @@ impl<'a> ProtocolObject<'a> for ThresholdDecryptionRequest {}
 
 /// A request for an Ursula to derive a decryption share that specifies the key to encrypt Ursula's response.
 #[derive(PartialEq, Debug, Clone, Serialize, Deserialize)]
-pub struct E2EEThresholdDecryptionRequest {
+pub struct E2EThresholdDecryptionRequest {
     /// The decryption request.
     pub decryption_request: ThresholdDecryptionRequest,
     /// The key to encrypt the corresponding decryption response.
     pub response_encrypting_key: PublicKey,
 }
 
-impl E2EEThresholdDecryptionRequest {
+impl E2EThresholdDecryptionRequest {
     /// Create E2E decryption request.
     pub fn new(
         decryption_request: &ThresholdDecryptionRequest,
@@ -114,7 +114,7 @@ impl E2EEThresholdDecryptionRequest {
     }
 }
 
-impl<'a> ProtocolObjectInner<'a> for E2EEThresholdDecryptionRequest {
+impl<'a> ProtocolObjectInner<'a> for E2EThresholdDecryptionRequest {
     fn version() -> (u16, u16) {
         (1, 0)
     }
@@ -136,7 +136,7 @@ impl<'a> ProtocolObjectInner<'a> for E2EEThresholdDecryptionRequest {
     }
 }
 
-impl<'a> ProtocolObject<'a> for E2EEThresholdDecryptionRequest {}
+impl<'a> ProtocolObject<'a> for E2EThresholdDecryptionRequest {}
 
 /// An encrypted request for an Ursula to derive a decryption share.
 #[derive(PartialEq, Debug, Clone, Serialize, Deserialize)]
@@ -156,7 +156,7 @@ impl EncryptedThresholdDecryptionRequest {
         response_encrypting_key: &PublicKey,
     ) -> Self {
         let e2e_decryption_request =
-            E2EEThresholdDecryptionRequest::new(request, response_encrypting_key);
+            E2EThresholdDecryptionRequest::new(request, response_encrypting_key);
         // TODO: using Umbral for encryption to avoid introducing more crypto primitives.
         let (capsule, ciphertext) =
             encrypt(request_encrypting_key, &e2e_decryption_request.to_bytes())
@@ -173,11 +173,11 @@ impl EncryptedThresholdDecryptionRequest {
     pub fn decrypt(
         &self,
         sk: &SecretKey,
-    ) -> Result<E2EEThresholdDecryptionRequest, DecryptionError> {
+    ) -> Result<E2EThresholdDecryptionRequest, DecryptionError> {
         let decryption_request_bytes = decrypt_original(sk, &self.capsule, &self.ciphertext)
             .map_err(DecryptionError::DecryptionFailed)?;
         let decryption_request =
-            E2EEThresholdDecryptionRequest::from_bytes(&decryption_request_bytes)
+            E2EThresholdDecryptionRequest::from_bytes(&decryption_request_bytes)
                 .map_err(DecryptionError::DeserializationFailed)?;
         Ok(decryption_request)
     }
diff --git a/nucypher-core/src/lib.rs b/nucypher-core/src/lib.rs
index 70422159..8da9564b 100644
--- a/nucypher-core/src/lib.rs
+++ b/nucypher-core/src/lib.rs
@@ -27,7 +27,7 @@ pub struct VerificationError;
 pub use address::Address;
 pub use conditions::{Conditions, Context};
 pub use dkg::{
-    E2EEThresholdDecryptionRequest, EncryptedThresholdDecryptionRequest,
+    E2EThresholdDecryptionRequest, EncryptedThresholdDecryptionRequest,
     EncryptedThresholdDecryptionResponse, FerveoVariant, ThresholdDecryptionRequest,
     ThresholdDecryptionResponse,
 };