diff --git a/crypto/keypair.ts b/crypto/keypair.ts
index acefb40..5290094 100644
--- a/crypto/keypair.ts
+++ b/crypto/keypair.ts
@@ -13,10 +13,10 @@ export class BlahKeyPair {
   publicKey: BlahPublicKey;
   private privateKey: CryptoKey;
 
-  get id() {
+  get id(): string {
     return this.publicKey.id;
   }
-  get name() {
+  get name(): string {
     return this.publicKey.name;
   }
 
diff --git a/crypto/mod.ts b/crypto/mod.ts
index 5a3ba3c..d952766 100644
--- a/crypto/mod.ts
+++ b/crypto/mod.ts
@@ -1,4 +1,4 @@
 export * from "./keypair.ts";
 export * from "./publicKey.ts";
-export * from "./signedPayload.ts";
+export type { BlahPayloadSignee, BlahSignedPayload } from "./signedPayload.ts";
 export * from "./utils.ts";
diff --git a/crypto/signedPayload.test.ts b/crypto/signedPayload.test.ts
new file mode 100644
index 0000000..c3466b0
--- /dev/null
+++ b/crypto/signedPayload.test.ts
@@ -0,0 +1,25 @@
+import z from "zod";
+import type { BlahSignedPayload } from "./mod.ts";
+import {
+  type BlahPayloadSignee,
+  blahPayloadSigneeSchemaOf,
+  blahSignedPayloadSchemaOf,
+} from "./signedPayload.ts";
+import { assertTypeMatchesZodSchema } from "../test/utils.ts";
+
+const testPayloadSchema = z.object({
+  foo: z.string(),
+});
+type TestPayload = z.infer<typeof testPayloadSchema>;
+
+Deno.test("type BlahPayloadSignee is accurate", () => {
+  assertTypeMatchesZodSchema<BlahPayloadSignee<TestPayload>>(
+    blahPayloadSigneeSchemaOf(testPayloadSchema),
+  );
+});
+
+Deno.test("type BlahSignedPayload is accurate", () => {
+  assertTypeMatchesZodSchema<BlahSignedPayload<TestPayload>>(
+    blahSignedPayloadSchemaOf(testPayloadSchema),
+  );
+});
diff --git a/crypto/signedPayload.ts b/crypto/signedPayload.ts
index 5eed005..22ec36e 100644
--- a/crypto/signedPayload.ts
+++ b/crypto/signedPayload.ts
@@ -17,10 +17,15 @@ export function blahSignedPayloadSchemaOf<P extends z.ZodTypeAny>(schema: P) {
   });
 }
 
-export type BlahPayloadSignee<P extends z.ZodTypeAny> = z.infer<
-  ReturnType<typeof blahPayloadSigneeSchemaOf<P>>
->;
+export type BlahPayloadSignee<P> = {
+  nonce: number;
+  payload: P;
+  timestamp: number;
+  id_key: string;
+  act_key?: string;
+};
 
-export type BlahSignedPayload<P extends z.ZodTypeAny> = z.infer<
-  ReturnType<typeof blahSignedPayloadSchemaOf<P>>
->;
+export type BlahSignedPayload<P> = {
+  sig: string;
+  signee: BlahPayloadSignee<P>;
+};
diff --git a/deno.json b/deno.json
index 0ae46f9..cbf43a5 100644
--- a/deno.json
+++ b/deno.json
@@ -8,6 +8,10 @@
   "imports": {
     "@deno/dnt": "jsr:@deno/dnt@^0.41.3",
     "@std/expect": "jsr:@std/expect@^1.0.3",
+    "@std/testing": "jsr:@std/testing@^1.0.3",
     "zod": "https://deno.land/x/zod@v3.23.8/mod.ts"
+  },
+  "tasks": {
+    "build:npm": "deno run ./scripts/build_npm.ts"
   }
 }
diff --git a/deno.lock b/deno.lock
index b4009a9..f10b2d2 100644
--- a/deno.lock
+++ b/deno.lock
@@ -9,20 +9,26 @@
       "jsr:@std/assert@^0.223.0": "jsr:@std/assert@0.223.0",
       "jsr:@std/assert@^0.226.0": "jsr:@std/assert@0.226.0",
       "jsr:@std/assert@^1.0.5": "jsr:@std/assert@1.0.5",
+      "jsr:@std/assert@^1.0.6": "jsr:@std/assert@1.0.6",
       "jsr:@std/bytes@^0.223.0": "jsr:@std/bytes@0.223.0",
-      "jsr:@std/expect@^1.0.3": "jsr:@std/expect@1.0.3",
+      "jsr:@std/data-structures@^1.0.4": "jsr:@std/data-structures@1.0.4",
+      "jsr:@std/expect@^1.0.3": "jsr:@std/expect@1.0.4",
       "jsr:@std/fmt@1": "jsr:@std/fmt@1.0.2",
       "jsr:@std/fmt@^0.223": "jsr:@std/fmt@0.223.0",
-      "jsr:@std/fs@1": "jsr:@std/fs@1.0.3",
+      "jsr:@std/fs@1": "jsr:@std/fs@1.0.4",
       "jsr:@std/fs@^0.223": "jsr:@std/fs@0.223.0",
       "jsr:@std/fs@^0.229.3": "jsr:@std/fs@0.229.3",
+      "jsr:@std/fs@^1.0.4": "jsr:@std/fs@1.0.4",
       "jsr:@std/internal@^1.0.3": "jsr:@std/internal@1.0.3",
+      "jsr:@std/internal@^1.0.4": "jsr:@std/internal@1.0.4",
       "jsr:@std/io@^0.223": "jsr:@std/io@0.223.0",
       "jsr:@std/path@1": "jsr:@std/path@1.0.6",
       "jsr:@std/path@1.0.0-rc.1": "jsr:@std/path@1.0.0-rc.1",
       "jsr:@std/path@^0.223": "jsr:@std/path@0.223.0",
       "jsr:@std/path@^0.225.2": "jsr:@std/path@0.225.2",
       "jsr:@std/path@^1.0.4": "jsr:@std/path@1.0.6",
+      "jsr:@std/path@^1.0.6": "jsr:@std/path@1.0.6",
+      "jsr:@std/testing@^1.0.3": "jsr:@std/testing@1.0.3",
       "jsr:@ts-morph/bootstrap@^0.24.0": "jsr:@ts-morph/bootstrap@0.24.0",
       "jsr:@ts-morph/common@^0.24.0": "jsr:@ts-morph/common@0.24.0"
     },
@@ -66,9 +72,18 @@
           "jsr:@std/internal@^1.0.3"
         ]
       },
+      "@std/assert@1.0.6": {
+        "integrity": "1904c05806a25d94fe791d6d883b685c9e2dcd60e4f9fc30f4fc5cf010c72207",
+        "dependencies": [
+          "jsr:@std/internal@^1.0.4"
+        ]
+      },
       "@std/bytes@0.223.0": {
         "integrity": "84b75052cd8680942c397c2631318772b295019098f40aac5c36cead4cba51a8"
       },
+      "@std/data-structures@1.0.4": {
+        "integrity": "fa0e20c11eb9ba673417450915c750a0001405a784e2a4e0c3725031681684a0"
+      },
       "@std/expect@1.0.3": {
         "integrity": "d9cbd03323ef7feafd1e969ed85d5edb04ebbd9937b0fe7a52d5ff53be8e913a",
         "dependencies": [
@@ -76,6 +91,13 @@
           "jsr:@std/internal@^1.0.3"
         ]
       },
+      "@std/expect@1.0.4": {
+        "integrity": "97f68a445a9de0d9670200d2b7a19a7505a01b2cb390a983ba8d97d90ce30c4f",
+        "dependencies": [
+          "jsr:@std/assert@^1.0.6",
+          "jsr:@std/internal@^1.0.4"
+        ]
+      },
       "@std/fmt@0.223.0": {
         "integrity": "6deb37794127dfc7d7bded2586b9fc6f5d50e62a8134846608baf71ffc1a5208"
       },
@@ -97,9 +119,18 @@
           "jsr:@std/path@^1.0.4"
         ]
       },
+      "@std/fs@1.0.4": {
+        "integrity": "2907d32d8d1d9e540588fd5fe0ec21ee638134bd51df327ad4e443aaef07123c",
+        "dependencies": [
+          "jsr:@std/path@^1.0.6"
+        ]
+      },
       "@std/internal@1.0.3": {
         "integrity": "208e9b94a3d5649bd880e9ca38b885ab7651ab5b5303a56ed25de4755fb7b11e"
       },
+      "@std/internal@1.0.4": {
+        "integrity": "62e8e4911527e5e4f307741a795c0b0a9e6958d0b3790716ae71ce085f755422"
+      },
       "@std/io@0.223.0": {
         "integrity": "2d8c3c2ab3a515619b90da2c6ff5ea7b75a94383259ef4d02116b228393f84f1",
         "dependencies": [
@@ -125,6 +156,16 @@
       "@std/path@1.0.6": {
         "integrity": "ab2c55f902b380cf28e0eec501b4906e4c1960d13f00e11cfbcd21de15f18fed"
       },
+      "@std/testing@1.0.3": {
+        "integrity": "f98c2bee53860a5916727d7e7d3abe920dd6f9edace022e2d059f00d05c2cf42",
+        "dependencies": [
+          "jsr:@std/assert@^1.0.6",
+          "jsr:@std/data-structures@^1.0.4",
+          "jsr:@std/fs@^1.0.4",
+          "jsr:@std/internal@^1.0.4",
+          "jsr:@std/path@^1.0.6"
+        ]
+      },
       "@ts-morph/bootstrap@0.24.0": {
         "integrity": "a826a2ef7fa8a7c3f1042df2c034d20744d94da2ee32bf29275bcd4dffd3c060",
         "dependencies": [
@@ -158,7 +199,8 @@
   "workspace": {
     "dependencies": [
       "jsr:@deno/dnt@^0.41.3",
-      "jsr:@std/expect@^1.0.3"
+      "jsr:@std/expect@^1.0.3",
+      "jsr:@std/testing@^1.0.3"
     ]
   }
 }
diff --git a/identity/actKey.test.ts b/identity/actKey.test.ts
new file mode 100644
index 0000000..831c230
--- /dev/null
+++ b/identity/actKey.test.ts
@@ -0,0 +1,6 @@
+import { type BlahActKeyRecord, blahActKeyRecordSchema } from "./actKey.ts";
+import { assertTypeMatchesZodSchema } from "../test/utils.ts";
+
+Deno.test("type BlahActKeyRecord is accurate", () => {
+  assertTypeMatchesZodSchema<BlahActKeyRecord>(blahActKeyRecordSchema);
+});
diff --git a/identity/actKey.ts b/identity/actKey.ts
index 18a4753..9314b85 100644
--- a/identity/actKey.ts
+++ b/identity/actKey.ts
@@ -1,11 +1,15 @@
 import z from "zod";
 
 export const blahActKeyRecordSchema = z.object({
-  typ: z.literal("use_act_key"),
+  typ: z.literal("user_act_key"),
   act_key: z.string(),
   expire_time: z.number().int(),
   comment: z.string(),
 });
 
-export type BlahActKeyRecord = z.input<typeof blahActKeyRecordSchema>;
-export type BlahParsedActKeyRecord = z.infer<typeof blahActKeyRecordSchema>;
+export type BlahActKeyRecord = {
+  typ: "user_act_key";
+  act_key: string;
+  expire_time: number;
+  comment: string;
+};
diff --git a/identity/identity.ts b/identity/identity.ts
new file mode 100644
index 0000000..1dfb49f
--- /dev/null
+++ b/identity/identity.ts
@@ -0,0 +1,9 @@
+import type { BlahSignedPayload } from "../crypto/mod.ts";
+import type { BlahActKeyRecord } from "./actKey.ts";
+import type { BlahProfile } from "./profile.ts";
+
+export class BlahIdentity {
+  idKeyId: string;
+  actKeys: BlahSignedPayload<BlahActKeyRecord>[];
+  profile: BlahSignedPayload<BlahProfile>;
+}
diff --git a/identity/identityFile.test.ts b/identity/identityFile.test.ts
new file mode 100644
index 0000000..328da65
--- /dev/null
+++ b/identity/identityFile.test.ts
@@ -0,0 +1,9 @@
+import {
+  type BlahIdentityFile,
+  blahIdentityFileSchema,
+} from "./identityFile.ts";
+import { assertTypeMatchesZodSchema } from "../test/utils.ts";
+
+Deno.test("type BlahIdentityFile is accurate", () => {
+  assertTypeMatchesZodSchema<BlahIdentityFile>(blahIdentityFileSchema);
+});
diff --git a/identity/identityFile.ts b/identity/identityFile.ts
index cec2f2c..fb7355e 100644
--- a/identity/identityFile.ts
+++ b/identity/identityFile.ts
@@ -1,7 +1,8 @@
 import { z } from "zod";
-import { blahSignedPayloadSchemaOf } from "../crypto/mod.ts";
-import { blahActKeyRecordSchema } from "./actKey.ts";
-import { blahProfileSchema } from "./profile.ts";
+import { blahSignedPayloadSchemaOf } from "../crypto/signedPayload.ts";
+import { type BlahActKeyRecord, blahActKeyRecordSchema } from "./actKey.ts";
+import { type BlahProfile, blahProfileSchema } from "./profile.ts";
+import type { BlahSignedPayload } from "../crypto/mod.ts";
 
 export const blahIdentityFileSchema = z.object({
   id_key: z.string(),
@@ -9,5 +10,8 @@ export const blahIdentityFileSchema = z.object({
   profile: blahSignedPayloadSchemaOf(blahProfileSchema),
 });
 
-export type BlahIdentityFile = z.input<typeof blahIdentityFileSchema>;
-export type BlahParsedIdentityFile = z.infer<typeof blahIdentityFileSchema>;
+export type BlahIdentityFile = {
+  id_key: string;
+  act_keys: Array<BlahSignedPayload<BlahActKeyRecord>>;
+  profile: BlahSignedPayload<BlahProfile>;
+};
diff --git a/identity/mod.ts b/identity/mod.ts
index face16d..a909596 100644
--- a/identity/mod.ts
+++ b/identity/mod.ts
@@ -1,3 +1,3 @@
-export * from "./actKey.ts";
-export * from "./identityFile.ts";
-export * from "./profile.ts";
+export type { BlahActKeyRecord } from "./actKey.ts";
+export type { BlahIdentityFile } from "./identityFile.ts";
+export type { BlahProfile } from "./profile.ts";
diff --git a/identity/profile.test.ts b/identity/profile.test.ts
new file mode 100644
index 0000000..ad0dda5
--- /dev/null
+++ b/identity/profile.test.ts
@@ -0,0 +1,6 @@
+import { type BlahProfile, blahProfileSchema } from "./profile.ts";
+import { assertTypeMatchesZodSchema } from "../test/utils.ts";
+
+Deno.test("type BlahProfile is accurate", () => {
+  assertTypeMatchesZodSchema<BlahProfile>(blahProfileSchema);
+});
diff --git a/identity/profile.ts b/identity/profile.ts
index b814378..c61a9bf 100644
--- a/identity/profile.ts
+++ b/identity/profile.ts
@@ -8,5 +8,10 @@ export const blahProfileSchema = z.object({
   bio: z.string().optional(),
 });
 
-export type BlahProfile = z.input<typeof blahProfileSchema>;
-export type BlahParsedProfile = z.infer<typeof blahProfileSchema>;
+export type BlahProfile = {
+  typ: "profile";
+  preferred_chat_server_urls: string[];
+  id_urls: string[];
+  name: string;
+  bio?: string;
+};
diff --git a/test/utils.ts b/test/utils.ts
new file mode 100644
index 0000000..0f7784e
--- /dev/null
+++ b/test/utils.ts
@@ -0,0 +1,10 @@
+import { assertType, type IsExact } from "@std/testing/types";
+import type { z } from "zod";
+
+export function assertTypeMatchesZodSchema<T>(
+  schema: z.ZodTypeAny,
+) {
+  assertType<IsExact<T, z.infer<typeof schema>>>(
+    true as IsExact<T, z.infer<typeof schema>>,
+  );
+}