diff --git a/package-lock.json b/package-lock.json
index 9b8b66551..c1633fd6c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22226,6 +22226,7 @@
       "version": "6.16.1",
       "license": "MIT",
       "dependencies": {
+        "@noble/secp256k1": "1.7.1",
         "@stacks/common": "^6.16.0",
         "@stacks/encryption": "^6.16.1",
         "@stacks/network": "^6.16.0",
@@ -22437,6 +22438,7 @@
         "@stacks/api": "^6.9.0",
         "@stacks/blockchain-api-client": "^7.12.0",
         "@stacks/network": "^6.16.0",
+        "@stacks/stacking": "^6.9.0",
         "jest-fetch-mock": "^3.0.3"
       }
     },
diff --git a/packages/auth/package.json b/packages/auth/package.json
index 27d6eeea6..fa84a8cac 100644
--- a/packages/auth/package.json
+++ b/packages/auth/package.json
@@ -20,6 +20,7 @@
     "typecheck:watch": "npm run typecheck -- --watch"
   },
   "dependencies": {
+    "@noble/secp256k1": "1.7.1",
     "@stacks/common": "^6.16.0",
     "@stacks/encryption": "^6.16.1",
     "@stacks/network": "^6.16.0",
diff --git a/packages/auth/src/userSession.ts b/packages/auth/src/userSession.ts
index b4da5d88f..24cc2082b 100644
--- a/packages/auth/src/userSession.ts
+++ b/packages/auth/src/userSession.ts
@@ -6,12 +6,8 @@ import { InstanceDataStore, LocalStorageStore, SessionDataStore } from './sessio
 import { decodeToken } from 'jsontokens';
 import { verifyAuthResponse } from './verification';
 import * as authMessages from './messages';
-import {
-  decryptContent,
-  encryptContent,
-  EncryptContentOptions,
-  isValidPrivateKey,
-} from '@stacks/encryption';
+import { utils } from '@noble/secp256k1';
+import { decryptContent, encryptContent, EncryptContentOptions } from '@stacks/encryption';
 import { getAddressFromDID } from './dids';
 import {
   createFetchFn,
@@ -254,7 +250,7 @@ export class UserSession {
             )) as string;
           } catch (e) {
             Logger.warn('Failed decryption of appPrivateKey, will try to use as given');
-            if (!isValidPrivateKey(tokenPayload.private_key as string)) {
+            if (!utils.isValidPrivateKey(tokenPayload.private_key as string)) {
               throw new LoginFailedError(
                 'Failed decrypting appPrivateKey. Usually means' +
                   ' that the transit key has changed during login.'
diff --git a/packages/cli/src/keys.ts b/packages/cli/src/keys.ts
index 6a405d837..f20a3bfad 100644
--- a/packages/cli/src/keys.ts
+++ b/packages/cli/src/keys.ts
@@ -7,11 +7,7 @@ const c32check = require('c32check');
 import { HDKey } from '@scure/bip32';
 import * as scureBip39 from '@scure/bip39';
 
-import {
-  compressPrivateKey,
-  getPublicKeyFromPrivate,
-  publicKeyToBtcAddress,
-} from '@stacks/encryption';
+import { getPublicKeyFromPrivate, publicKeyToBtcAddress } from '@stacks/encryption';
 import { DerivationType, deriveAccount, generateWallet, getRootNode } from '@stacks/wallet-sdk';
 import * as bip32 from 'bip32';
 import * as bip39 from 'bip39';
@@ -20,6 +16,7 @@ import * as wif from 'wif';
 
 import { getMaxIDSearchIndex, getPrivateKeyAddress } from './common';
 import { CLINetworkAdapter } from './network';
+import { compressPrivateKey } from '@stacks/transactions';
 
 const BITCOIN_PUBKEYHASH = 0;
 const BITCOIN_PUBKEYHASH_TESTNET = 111;
diff --git a/packages/common/src/utils.ts b/packages/common/src/utils.ts
index 60d3b45de..75643f263 100644
--- a/packages/common/src/utils.ts
+++ b/packages/common/src/utils.ts
@@ -439,7 +439,7 @@ function nthBit(value: bigint, n: bigint) {
   return value & (BigInt(1) << n);
 }
 
-/** @internal */
+/** @ignore */
 export function bytesToTwosBigInt(bytes: Uint8Array): bigint {
   return fromTwos(BigInt(`0x${bytesToHex(bytes)}`), BigInt(bytes.byteLength * 8));
 }
diff --git a/packages/encryption/src/keys.ts b/packages/encryption/src/keys.ts
index 00cf735b1..1c826c26e 100644
--- a/packages/encryption/src/keys.ts
+++ b/packages/encryption/src/keys.ts
@@ -2,7 +2,6 @@ import { hmac } from '@noble/hashes/hmac';
 import { sha256 } from '@noble/hashes/sha256';
 import { getPublicKey as nobleGetPublicKey, signSync, utils } from '@noble/secp256k1';
 import {
-  PRIVATE_KEY_BYTES_COMPRESSED,
   PrivateKey,
   bytesToHex,
   concatBytes,
@@ -13,7 +12,6 @@ import {
 import base58 from 'bs58';
 import { hashRipemd160 } from './hashRipemd160';
 import { hashSha256Sync } from './sha2Hash';
-import { privateKeyToHex } from '../../transactions/src';
 
 const BITCOIN_PUBKEYHASH = 0x00;
 
@@ -112,21 +110,3 @@ export function ecSign(messageHash: Uint8Array, privateKey: PrivateKey) {
     der: false,
   });
 }
-
-/**
- * @ignore
- */
-export function isValidPrivateKey(privateKey: PrivateKey): boolean {
-  return utils.isValidPrivateKey(privateKeyToBytes(privateKey));
-}
-
-/**
- * @ignore
- */
-export function compressPrivateKey(privateKey: PrivateKey): string {
-  privateKey = privateKeyToHex(privateKey);
-
-  return privateKey.length == PRIVATE_KEY_BYTES_COMPRESSED * 2
-    ? privateKey // leave compressed
-    : `${privateKey}01`; // compress
-}
diff --git a/packages/encryption/tests/keys.test.ts b/packages/encryption/tests/keys.test.ts
index da5f9f57e..261b7e75e 100644
--- a/packages/encryption/tests/keys.test.ts
+++ b/packages/encryption/tests/keys.test.ts
@@ -5,12 +5,11 @@ import {
   hexToBytes,
   utf8ToBytes,
 } from '@stacks/common';
-import { address, ECPair, networks } from 'bitcoinjs-lib';
+import { ECPair, address, networks } from 'bitcoinjs-lib';
 import bs58check from 'bs58check';
 import { SECP256K1Client } from 'jsontokens';
 import {
   base58Encode,
-  compressPrivateKey,
   ecSign,
   getPublicKeyFromPrivate,
   hashSha256Sync,
@@ -109,20 +108,3 @@ test('ecSign', () => {
 
   expect(bytesToHex(signature)).toEqual(signatureHex);
 });
-
-describe(compressPrivateKey, () => {
-  it('does not change already compressed key', () => {
-    const privateKeyCompressed =
-      '00cdce6b5f87d38f2a830cae0da82162e1b487f07c5affa8130f01fe1a2a25fb01';
-
-    expect(compressPrivateKey(privateKeyCompressed)).toEqual(privateKeyCompressed);
-  });
-
-  it('compresses uncompressed key', () => {
-    const privateKey = '00cdce6b5f87d38f2a830cae0da82162e1b487f07c5affa8130f01fe1a2a25fb';
-    const privateKeyCompressed =
-      '00cdce6b5f87d38f2a830cae0da82162e1b487f07c5affa8130f01fe1a2a25fb01';
-
-    expect(compressPrivateKey(privateKey)).toEqual(privateKeyCompressed);
-  });
-});
diff --git a/packages/internal/package.json b/packages/internal/package.json
index 91e221c40..2642bc5df 100644
--- a/packages/internal/package.json
+++ b/packages/internal/package.json
@@ -8,6 +8,7 @@
   },
   "devDependencies": {
     "@stacks/api": "^6.9.0",
+    "@stacks/stacking": "^6.9.0",
     "@stacks/blockchain-api-client": "^7.12.0",
     "@stacks/network": "^6.16.0",
     "jest-fetch-mock": "^3.0.3"
diff --git a/packages/internal/src/apiMockingHelpers.ts b/packages/internal/src/apiMockingHelpers.ts
index d922e965d..a9d761d03 100644
--- a/packages/internal/src/apiMockingHelpers.ts
+++ b/packages/internal/src/apiMockingHelpers.ts
@@ -1,7 +1,7 @@
 import { Configuration, TransactionsApi } from '@stacks/blockchain-api-client';
 import { STACKS_TESTNET } from '@stacks/network';
 import { MockResponseInitFunction } from 'jest-fetch-mock';
-import { StackingClient } from '../../stacking/src';
+import { StackingClient } from '@stacks/stacking';
 import { StacksNodeApi } from '@stacks/api';
 
 // NOTES
diff --git a/packages/internal/tsconfig.build.json b/packages/internal/tsconfig.build.json
index c0ddf5612..e65f27fb7 100644
--- a/packages/internal/tsconfig.build.json
+++ b/packages/internal/tsconfig.build.json
@@ -7,5 +7,13 @@
     "tsBuildInfoFile": "./tsconfig.build.tsbuildinfo",
     "composite": true
   },
+  "references": [
+    {
+      "path": "../api/tsconfig.build.json"
+    },
+    {
+      "path": "../stacking/tsconfig.build.json"
+    }
+  ],
   "include": ["src/**/*"]
 }
diff --git a/packages/stacking/tsconfig.build.json b/packages/stacking/tsconfig.build.json
index 358f147c0..039ff6365 100644
--- a/packages/stacking/tsconfig.build.json
+++ b/packages/stacking/tsconfig.build.json
@@ -17,9 +17,6 @@
     {
       "path": "../encryption/tsconfig.build.json"
     },
-    {
-      "path": "../internal/tsconfig.build.json"
-    },
     {
       "path": "../network/tsconfig.build.json"
     },
diff --git a/packages/storage/src/hub.ts b/packages/storage/src/hub.ts
index 91a5f6989..9294b692b 100644
--- a/packages/storage/src/hub.ts
+++ b/packages/storage/src/hub.ts
@@ -9,11 +9,11 @@ import {
   NotEnoughProofError,
   PayloadTooLargeError,
   PreconditionFailedError,
+  PRIVATE_KEY_BYTES_COMPRESSED,
   utf8ToBytes,
   ValidationError,
 } from '@stacks/common';
 import {
-  compressPrivateKey,
   ecSign,
   getPublicKeyFromPrivate,
   hashSha256Sync,
@@ -151,7 +151,9 @@ function makeLegacyAuthToken(challengeText: string, signerKeyHex: string): strin
   }
   if (parsedChallenge[0] === 'gaiahub' && parsedChallenge[3] === 'blockstack_storage_please_sign') {
     const digest = hashSha256Sync(utf8ToBytes(challengeText));
-    const signatureBytes = ecSign(digest, compressPrivateKey(signerKeyHex));
+    const compressedPrivateKey =
+      signerKeyHex.length === PRIVATE_KEY_BYTES_COMPRESSED * 2 ? signerKeyHex : `${signerKeyHex}01`;
+    const signatureBytes = ecSign(digest, compressedPrivateKey);
     // We only want the DER encoding so use toDERHex provided by @noble/secp256k1
     const signature = Signature.fromCompact(bytesToHex(signatureBytes)).toDERHex();
 
diff --git a/packages/transactions/src/keys.ts b/packages/transactions/src/keys.ts
index 7a5daf80f..fae637479 100644
--- a/packages/transactions/src/keys.ts
+++ b/packages/transactions/src/keys.ts
@@ -209,6 +209,17 @@ export function signMessageHashRsv({
   return signatureVrsToRsv(signWithKey(privateKey, messageHash));
 }
 
+/**
+ * @ignore
+ */
+export function compressPrivateKey(privateKey: PrivateKey): string {
+  privateKey = privateKeyToHex(privateKey);
+
+  return privateKey.length == PRIVATE_KEY_BYTES_COMPRESSED * 2
+    ? privateKey // leave compressed
+    : `${privateKey}01`; // compress
+}
+
 /**
  * Convert a private key to a single-sig address.
  * @returns A Stacks address string (encoded with c32check)
diff --git a/packages/transactions/src/transaction.ts b/packages/transactions/src/transaction.ts
index c7ec7596a..0eb1e45e6 100644
--- a/packages/transactions/src/transaction.ts
+++ b/packages/transactions/src/transaction.ts
@@ -2,12 +2,13 @@ import {
   Hex,
   IntegerType,
   PrivateKey,
+  PublicKey,
   bytesToHex,
   concatArray,
   hexToBytes,
   intToBigInt,
   writeUInt32BE,
-} from '@stacks/common/src';
+} from '@stacks/common';
 import {
   ChainId,
   DEFAULT_CHAIN_ID,
@@ -59,7 +60,6 @@ import {
   deserializePayloadBytes,
   serializeLPListBytes,
 } from './wire';
-import { PublicKey } from '@stacks/common';
 
 export class StacksTransaction {
   version: TransactionVersion;
diff --git a/packages/transactions/tests/keys.test.ts b/packages/transactions/tests/keys.test.ts
index ec8945a9f..782028f42 100644
--- a/packages/transactions/tests/keys.test.ts
+++ b/packages/transactions/tests/keys.test.ts
@@ -18,6 +18,7 @@ import { ec as EC } from 'elliptic';
 import {
   PubKeyEncoding,
   StacksWireType,
+  compressPrivateKey,
   compressPublicKey,
   createStacksPublicKey,
   encodeStructuredData,
@@ -343,3 +344,20 @@ describe(privateKeyToAddress.name, () => {
     expect(addressTestnet).toBe('ST10J81WVGVB3M4PHQN4Q4G0R8586TBJH94CGRESQ');
   });
 });
+
+describe(compressPrivateKey, () => {
+  it('does not change already compressed key', () => {
+    const privateKeyCompressed =
+      '00cdce6b5f87d38f2a830cae0da82162e1b487f07c5affa8130f01fe1a2a25fb01';
+
+    expect(compressPrivateKey(privateKeyCompressed)).toEqual(privateKeyCompressed);
+  });
+
+  it('compresses uncompressed key', () => {
+    const privateKey = '00cdce6b5f87d38f2a830cae0da82162e1b487f07c5affa8130f01fe1a2a25fb';
+    const privateKeyCompressed =
+      '00cdce6b5f87d38f2a830cae0da82162e1b487f07c5affa8130f01fe1a2a25fb01';
+
+    expect(compressPrivateKey(privateKey)).toEqual(privateKeyCompressed);
+  });
+});
diff --git a/packages/wallet-sdk/src/derive.ts b/packages/wallet-sdk/src/derive.ts
index 21d183a99..0110c747d 100644
--- a/packages/wallet-sdk/src/derive.ts
+++ b/packages/wallet-sdk/src/derive.ts
@@ -3,7 +3,7 @@
 import { HDKey } from '@scure/bip32';
 import { getNameInfo } from '@stacks/auth';
 import { ApiParam, bytesToHex, defaultApiLike, utf8ToBytes } from '@stacks/common';
-import { compressPrivateKey, createSha2Hash } from '@stacks/encryption';
+import { createSha2Hash } from '@stacks/encryption';
 import {
   STACKS_MAINNET,
   StacksNetwork,
@@ -11,7 +11,7 @@ import {
   deriveDefaultUrl,
   networkFrom,
 } from '@stacks/network';
-import { getAddressFromPrivateKey } from '@stacks/transactions';
+import { compressPrivateKey, getAddressFromPrivateKey } from '@stacks/transactions';
 import { Account, HARDENED_OFFSET, WalletKeys } from './models/common';
 import { fetchFirstName } from './usernames';
 import { assertIsTruthy } from './utils';