Gaubee · Jan 5, 2026 · Jan 5, 2026 · Jan 5, 2026 · Jan 5, 2026 · Jan 5, 2026
diff --git a/docs/white-book/04-服务篇/02-链服务/IIdentityService.md b/docs/white-book/04-服务篇/02-链服务/IIdentityService.md
@@ -102,11 +102,14 @@ IIdentityService {
 
 ## 派生路径规范
 
-| 链类型 | 派生路径 | 算法 |
-|-------|---------|------|
-| EVM 兼容 | m/44'/60'/0'/0/{index} | secp256k1 |
-| Bitcoin | m/44'/0'/0'/0/{index} | secp256k1 |
-| BFM 链 | m/44'/9999'/0'/0/{index} | Ed25519 |
+| 链类型 | 派生路径 | 算法 | 地址格式 |
+|-------|---------|------|---------|
+| EVM 兼容 | m/44'/60'/0'/0/{index} | secp256k1 | 0x... (checksum) |
+| Bitcoin | m/84'/0'/0'/0/{index} | secp256k1 | bc1q... (Native SegWit) |
+| Tron | m/44'/195'/0'/0/{index} | secp256k1 | T... (Base58Check) |
+| BioForest | m/44'/9999'/0'/0/{index} | Ed25519 | b... (Base58) |
+
+> **注意**: Bitcoin 使用 BIP84 路径（Native SegWit），不再使用 BIP44 Legacy 路径。
 
 ### 派生流程
 

diff --git a/docs/white-book/04-服务篇/07-链配置管理/index.md b/docs/white-book/04-服务篇/07-链配置管理/index.md
@@ -97,7 +97,7 @@ interface ChainConfig {
   // 必需字段
   id: string              // 唯一标识，格式: /^[a-z0-9-]+$/
   version: string         // 配置版本，格式: "major.minor"
-  type: ChainConfigType   // 链类型
+  chainKind: ChainKind    // 链类型（严格枚举，不支持 custom）
   name: string            // 显示名称
   symbol: string          // 原生代币符号
   decimals: number        // 原生代币精度
@@ -113,7 +113,7 @@ interface ChainConfig {
   source: ChainConfigSource // 配置来源
 }
 
-type ChainConfigType = 'bioforest' | 'evm' | 'bip39' | 'custom'
+type ChainKind = 'bioforest' | 'evm' | 'bitcoin' | 'tron'
 type ChainConfigSource = 'default' | 'subscription' | 'manual'
 ```
 
@@ -156,18 +156,37 @@ EVM 兼容链，使用 BIP44 派生（coin type 60）：
 
 **支持的链**: Ethereum, BSC, Polygon 等
 
-### bip39
+### bitcoin
 
-其他使用 BIP39/BIP44 的链：
+Bitcoin 网络，使用 BIP84 派生（Native SegWit）：
 
-| 链 | Coin Type | 说明 |
-|---|-----------|------|
-| Bitcoin | 0 | UTXO 模型 |
-| Tron | 195 | 账户模型 |
+| 字段 | 说明 |
+|-----|------|
+| decimals | 8 |
+| 地址格式 | `bc1q...` (Native SegWit P2WPKH) |
+
+**派生路径**: `m/84'/0'/account'/0/index`
+
+### tron
+
+Tron 网络，使用 BIP44 派生（coin type 195）：
+
+| 字段 | 说明 |
+|-----|------|
+| decimals | 6 |
+| 地址格式 | `T...` (Base58Check) |
+
+**派生路径**: `m/44'/195'/account'/0/index`
+
+---
+
+## 严格类型验证
 
-### custom
+从版本 2.0.0 起，`chainKind` 采用严格枚举验证：
 
-未知类型，用于向前兼容。应用 **MAY** 显示但 **MUST NOT** 执行交易操作。
+- **MUST** 使用 `bioforest`、`evm`、`bitcoin`、`tron` 之一
+- **MUST NOT** 使用 `custom` 或 `bip39`（已废弃）
+- 未知类型将导致配置加载失败，而不是静默降级
 
 ---
 

diff --git a/public/configs/testnet-chains.json b/public/configs/testnet-chains.json
@@ -1,62 +1,73 @@
-[
-  {
-    "id": "ethereum-sepolia",
-    "version": "1.0",
-    "type": "evm",
-    "name": "Ethereum Sepolia",
-    "symbol": "SepoliaETH",
-    "icon": "../icons/ethereum/chain.svg",
-    "decimals": 18,
-    "api": { "url": "https://rpc.sepolia.org", "path": "eth" },
-    "explorer": {
-      "url": "https://sepolia.etherscan.io",
-      "queryTx": "https://sepolia.etherscan.io/tx/:hash",
-      "queryAddress": "https://sepolia.etherscan.io/address/:address"
+{
+  "version": "2.0.0",
+  "chains": [
+    {
+      "id": "ethereum-sepolia",
+      "version": "1.0",
+      "chainKind": "evm",
+      "name": "Ethereum Sepolia",
+      "symbol": "SepoliaETH",
+      "icon": "../icons/ethereum/chain.svg",
+      "decimals": 18,
+      "api": {
+        "ethereum-rpc": "https://rpc.sepolia.org"
+      },
+      "explorer": {
+        "url": "https://sepolia.etherscan.io",
+        "queryTx": "https://sepolia.etherscan.io/tx/:hash",
+        "queryAddress": "https://sepolia.etherscan.io/address/:address"
+      }
+    },
+    {
+      "id": "bsc-testnet",
+      "version": "1.0",
+      "chainKind": "evm",
+      "name": "BSC Testnet",
+      "symbol": "tBNB",
+      "icon": "../icons/binance/chain.svg",
+      "decimals": 18,
+      "api": {
+        "ethereum-rpc": "https://bsc-testnet-rpc.publicnode.com"
+      },
+      "explorer": {
+        "url": "https://testnet.bscscan.com",
+        "queryTx": "https://testnet.bscscan.com/tx/:hash",
+        "queryAddress": "https://testnet.bscscan.com/address/:address"
+      }
+    },
+    {
+      "id": "tron-nile",
+      "version": "1.0",
+      "chainKind": "tron",
+      "name": "Tron Nile Testnet",
+      "symbol": "TRX",
+      "icon": "../icons/tron/chain.svg",
+      "decimals": 6,
+      "api": {
+        "tron-rpc": "https://nile.trongrid.io"
+      },
+      "explorer": {
+        "url": "https://nile.tronscan.org",
+        "queryTx": "https://nile.tronscan.org/#/transaction/:hash",
+        "queryAddress": "https://nile.tronscan.org/#/address/:address"
+      }
+    },
+    {
+      "id": "bitcoin-signet",
+      "version": "1.0",
+      "chainKind": "bitcoin",
+      "name": "Bitcoin Signet",
+      "symbol": "sBTC",
+      "icon": "../icons/bitcoin/chain.svg",
+      "decimals": 8,
+      "api": {
+        "mempool-v1": "https://mempool.space/signet/api"
+      },
+      "explorer": {
+        "url": "https://mempool.space/signet",
+        "queryTx": "https://mempool.space/signet/tx/:hash",
+        "queryAddress": "https://mempool.space/signet/address/:address"
+      }
     }
-  },
-  {
-    "id": "bsc-testnet",
-    "version": "1.0",
-    "type": "evm",
-    "name": "BSC Testnet",
-    "symbol": "tBNB",
-    "icon": "../icons/binance/chain.svg",
-    "decimals": 18,
-    "api": { "url": "https://bsc-testnet-rpc.publicnode.com", "path": "bnb" },
-    "explorer": {
-      "url": "https://testnet.bscscan.com",
-      "queryTx": "https://testnet.bscscan.com/tx/:hash",
-      "queryAddress": "https://testnet.bscscan.com/address/:address"
-    }
-  },
-  {
-    "id": "tron-nile",
-    "version": "1.0",
-    "type": "bip39",
-    "name": "Tron Nile Testnet",
-    "symbol": "TRX",
-    "icon": "../icons/tron/chain.svg",
-    "decimals": 6,
-    "api": { "url": "https://nile.trongrid.io", "path": "tron" },
-    "explorer": {
-      "url": "https://nile.tronscan.org",
-      "queryTx": "https://nile.tronscan.org/#/transaction/:hash",
-      "queryAddress": "https://nile.tronscan.org/#/address/:address"
-    }
-  },
-  {
-    "id": "bitcoin-signet",
-    "version": "1.0",
-    "type": "bip39",
-    "name": "Bitcoin Signet",
-    "symbol": "sBTC",
-    "icon": "../icons/bitcoin/chain.svg",
-    "decimals": 8,
-    "api": { "url": "https://mempool.space/signet/api", "path": "btc" },
-    "explorer": {
-      "url": "https://mempool.space/signet",
-      "queryTx": "https://mempool.space/signet/tx/:hash",
-      "queryAddress": "https://mempool.space/signet/address/:address"
-    }
-  }
-]
+  ]
+}
diff --git a/src/lib/crypto/address-derivation.test.ts b/src/lib/crypto/address-derivation.test.ts