diff --git a/electrum/constants.py b/electrum/constants.py
index ae08dc127..957d2fc92 100644
--- a/electrum/constants.py
+++ b/electrum/constants.py
@@ -304,8 +304,7 @@ class BitcoinPurple(AbstractNet):
     }
     XPUB_HEADERS_INV = inv_dict(XPUB_HEADERS)
 
-    # Provisional BIP44 coin type (not SLIP-0044 registered; matches BTCP P2P port)
-    BIP44_COIN_TYPE = 13496
+    BIP44_COIN_TYPE = 0
     LN_REALM_BYTE = 0
     LN_DNS_SEEDS = []
 
diff --git a/tecnichal-data.md b/tecnichal-data.md
index 5be3a5f1c..456649de2 100644
--- a/tecnichal-data.md
+++ b/tecnichal-data.md
@@ -519,7 +519,7 @@ Modelled after the `AbstractNet` interface (see `pallectrum` for a working examp
 | `BOLT11_HRP` | `"btcp"` | `"tbtcp"` | LN invoice prefix |
 | `GENESIS` | `000003823f…c015` | `000002fdc3…d998` | full hashes in §2.5 / §3 |
 | `DEFAULT_PORTS` | `{'t':'50001','s':'50002'}` | `{'t':'60001','s':'60002'}` | |
-| `BIP44_COIN_TYPE` | **TBD / private project constant** | `1` | not registered for BitcoinPurple — see note |
+| `BIP44_COIN_TYPE` | `0` (same as Bitcoin) | `1` | no SLIP-0044 entry; matches Bitcoin derivation |
 | `LN_REALM_BYTE` | `0` | `1` | LN DNS realm byte; unused while `LN_DNS_SEEDS=[]` |
 | `LN_DNS_SEEDS` | `[]` | `[]` | no LN seeds configured |
 | `SKIP_POW_DIFFICULTY_VALIDATION` | `False` only after BTCP retarget support | `False` only after BTCP retarget support | see §7.7 |
@@ -527,14 +527,10 @@ Modelled after the `AbstractNet` interface (see `pallectrum` for a working examp
 | `COINBASE_MATURITY` | `100` | `100` | blocks before coinbase is spendable |
 | `BLOCK_HEIGHT_FIRST_LIGHTNING_CHANNELS` | `0` | `0` | allowed from genesis if LN is enabled |
 
-> **BIP44 coin type:** BitcoinPurple has no SLIP-0044 entry. `BTCP` at index
-> `183` is already assigned to Bitcoin Private, so do not reuse it for
-> BitcoinPurple. In Electrum constants, store the non-hardened index
-> (`0 <= value < 0x80000000`); wallet derivation code adds the hardened bit when
-> building paths such as `m/44'/COIN_TYPE'/0'`. Use one project-wide provisional
-> integer until an official SLIP-0044 slot is registered. The `13496` value below
-> is a project-local placeholder chosen to match the BTCP P2P port, not a
-> registered SLIP-0044 value.
+> **BIP44 coin type:** BitcoinPurple uses `0` (same as Bitcoin mainnet). BTCP
+> has no SLIP-0044 registration and shares the same HD derivation path
+> convention as Bitcoin (`m/44'/0'/0'`). The testnet class keeps `1`
+> (standard testnet coin type).
 
 ### 7.2 `constants.py` Class Definitions
 
@@ -562,8 +558,7 @@ class BitcoinPurple(AbstractNet):
     COINBASE_MATURITY = 100     # consensus/consensus.h:19
     POW_TARGET_SPACING = 60     # 60-second blocks
 
-    # BIP44 coin type — not registered in SLIP-0044
-    BIP44_COIN_TYPE = 13496       # provisional private constant; update when registered
+    BIP44_COIN_TYPE = 0           # same as Bitcoin; no SLIP-0044 entry for BTCP
 
     # Lightning. Height 0 means "allowed from genesis" in Electrum.
     BLOCK_HEIGHT_FIRST_LIGHTNING_CHANNELS = 0
@@ -631,15 +626,14 @@ class BitcoinPurpleTestnet(BitcoinPurple):
 
 ### 7.3 Derivation Paths (BIP44 / 49 / 84 / 86)
 
-Standard HD paths for each script type. Replace `COIN_TYPE` with the registered
-value (TBD — see §7.1 note).
+Standard HD paths for each script type. Mainnet uses coin type `0`; testnet uses `1`.
 
-| BIP | Script type | Path template | xpub/xprv prefix |
-|-----|-------------|---------------|-----------------|
-| BIP44 | P2PKH (legacy) | `m/44'/COIN_TYPE'/0'/0/n` | `xpub` / `xprv` |
-| BIP49 | P2WPKH-P2SH (wrapped SegWit) | `m/49'/COIN_TYPE'/0'/0/n` | `ypub` / `yprv` |
-| BIP84 | P2WPKH (native SegWit) | `m/84'/COIN_TYPE'/0'/0/n` | `zpub` / `zprv` |
-| BIP86 | P2TR (Taproot) | `m/86'/COIN_TYPE'/0'/0/n` | `xpub` / `xprv` or descriptors |
+| BIP | Script type | Path template (mainnet) | xpub/xprv prefix |
+|-----|-------------|------------------------|-----------------|
+| BIP44 | P2PKH (legacy) | `m/44'/0'/0'/0/n` | `xpub` / `xprv` |
+| BIP49 | P2WPKH-P2SH (wrapped SegWit) | `m/49'/0'/0'/0/n` | `ypub` / `yprv` |
+| BIP84 | P2WPKH (native SegWit) | `m/84'/0'/0'/0/n` | `zpub` / `zprv` |
+| BIP86 | P2TR (Taproot) | `m/86'/0'/0'/0/n` | `xpub` / `xprv` or descriptors |
 
 - `ACCOUNT` = `0'` (first account, hardened)
 - `CHANGE` = `0` (receive) or `1` (change)
@@ -770,7 +764,7 @@ Files that must be added or changed in an Electrum fork:
 | `electrum/chains/bitcoinpurple/checkpoints.json` | Generate from a synced BTCP node |
 | header chain verifier | Use 120-block retarget and BTCP `powLimit` |
 | address module | Accept Base58 versions 56/55 and Bech32 HRP `btcp` |
-| transaction/wallet formats | Use BTCP provisional BIP44 coin type consistently |
+| transaction/wallet formats | Use BIP44 coin type `0` (mainnet) / `1` (testnet) |
 | Lightning invoice parser | Accept `lnbtcp` / `lntbtcp` BOLT11 prefixes if LN is enabled |
 | UI/network selector | Expose BitcoinPurple mainnet/testnet names and datadirs |
 
diff --git a/tests/test_bitcoinpurple.py b/tests/test_bitcoinpurple.py
index 3f2529103..045e95075 100644
--- a/tests/test_bitcoinpurple.py
+++ b/tests/test_bitcoinpurple.py
@@ -171,7 +171,7 @@ class TestBitcoinPurpleConstants(ElectrumTestCase):
         self.assertEqual([], BitcoinPurpleTestnet.LN_DNS_SEEDS)
 
     def test_bip44_coin_type(self):
-        self.assertEqual(13496, BitcoinPurple.BIP44_COIN_TYPE)
+        self.assertEqual(0, BitcoinPurple.BIP44_COIN_TYPE)
         self.assertEqual(1, BitcoinPurpleTestnet.BIP44_COIN_TYPE)
 
     # --- NETS_LIST integrity ---