Add secondname to the schema

docs/adding-a-chain.md

@@ -8,6 +8,8 @@ Each chain should be defined as a JSON file in the `registry` directory with the
 
 - `shortName` - Brief display name (e.g., "Ethereum", "BNB")
 
+- `secondName` [optional] - Second display name (e.g., "Sepolia", "One")
+
 - `fullName` - Full display name (e.g., "Ethereum Mainnet", "BNB Smart Chain")
 
 - `aliases` [optional] - Alternative names for the chain (e.g., ["ethereum", "eth", "eth-mainnet"]). Aliases need to be unique

package.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.4.3",
+  "version": "0.5.0",
   "private": true,
   "type": "module",
   "scripts": {

registry/antelope/jungle4.json

@@ -1,6 +1,7 @@
 {
   "id": "jungle4",
-  "shortName": "Jungle4",
+  "shortName": "EOS",
+  "secondName": "Jungle4",
   "fullName": "EOS Jungle4 Testnet",
   "aliases": ["jungle"],
   "caip2Id": "antelope:73e4385a2708e6d7048834fbc1079f2f",

registry/antelope/kylin.json

@@ -1,6 +1,7 @@
 {
   "id": "kylin",
-  "shortName": "Kylin",
+  "shortName": "EOS",
+  "secondName": "Kylin",
   "fullName": "Kylin Testnet",
   "aliases": ["eos-kylin"],
   "caip2Id": "antelope:5fff1dae8dc8e2fc4d5b23b2c7665c97",

registry/beacon/holesky-cl.json

@@ -1,6 +1,7 @@
 {
   "id": "holesky-cl",
-  "shortName": "Holesky Beacon",
+  "shortName": "Ethereum Beacon",
+  "secondName": "Holesky",
   "fullName": "Ethereum Holesky Consensus Layer Chain",
   "aliases": ["holesky-beacon"],
   "caip2Id": "beacon:17000",

registry/beacon/sepolia-cl.json

@@ -1,6 +1,7 @@
 {
   "id": "sepolia-cl",
-  "shortName": "Sepolia Beacon",
+  "shortName": "Ethereum Beacon",
+  "secondName": "Sepolia",
   "fullName": "Ethereum Sepolia Consensus Layer Chain",
   "aliases": ["sepolia-beacon"],
   "caip2Id": "beacon:11155111",

registry/eip155/arbitrum-nova.json

@@ -1,6 +1,7 @@
 {
   "id": "arbitrum-nova",
-  "shortName": "Arbitrum Nova",
+  "shortName": "Arbitrum",
+  "secondName": "Nova",
   "fullName": "Arbitrum Nova",
   "aliases": ["evm-42170", "arbnova", "arb-nova", "arbitrum-nova-mainnet"],
   "caip2Id": "eip155:42170",

registry/eip155/arbitrum-one.json

@@ -1,6 +1,7 @@
 {
   "id": "arbitrum-one",
-  "shortName": "Arbitrum One",
+  "shortName": "Arbitrum",
+  "secondName": "One",
   "fullName": "Arbitrum One Mainnet",
   "aliases": ["arbone", "arbitrum", "arb-sepolia", "evm-42161"],
   "caip2Id": "eip155:42161",

registry/eip155/arbitrum-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "arbitrum-sepolia",
-  "shortName": "Arbitrum Sepolia",
+  "shortName": "Arbitrum",
+  "secondName": "Sepolia",
   "fullName": "Arbitrum Sepolia Testnet",
   "aliases": ["evm-421614"],
   "caip2Id": "eip155:421614",

registry/eip155/astar-zkevm-mainnet.json

@@ -1,6 +1,7 @@
 {
   "id": "astar-zkevm-mainnet",
-  "shortName": "Astar zkEVM",
+  "shortName": "Astar",
+  "secondName": "zkEVM",
   "fullName": "Astar zkEVM Mainnet",
   "aliases": ["evm-3776", "astar", "astar-zkevm"],
   "caip2Id": "eip155:3776",

registry/eip155/avalanche.json

@@ -1,6 +1,7 @@
 {
   "id": "avalanche",
   "shortName": "Avalanche",
+  "secondName": "C-Chain",
   "fullName": "Avalanche C-Chain",
   "aliases": ["evm-43114", "avalanche-mainnet"],
   "caip2Id": "eip155:43114",

registry/eip155/base-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "base-sepolia",
   "shortName": "Base",
+  "secondName": "Sepolia",
   "fullName": "Base Sepolia Testnet",
   "aliases": ["evm-84532", "base-testnet"],
   "caip2Id": "eip155:84532",

registry/eip155/blast-testnet.json

@@ -1,6 +1,7 @@
 {
   "id": "blast-testnet",
-  "shortName": "Blast Sepolia",
+  "shortName": "Blast",
+  "secondName": "Sepolia",
   "fullName": "Blast Sepolia Testnet",
   "aliases": ["evm-23888", "blast-sepolia"],
   "caip2Id": "eip155:23888",

registry/eip155/boba-bnb-testnet.json

@@ -1,6 +1,7 @@
 {
   "id": "boba-bnb-testnet",
-  "shortName": "Boba BNB",
+  "shortName": "Boba",
+  "secondName": "BNB",
   "fullName": "Boba BNB Testnet",
   "aliases": ["evm-9728", "boba-bsc-testnet"],
   "caip2Id": "eip155:9728",

registry/eip155/boba-bnb.json

@@ -1,6 +1,7 @@
 {
   "id": "boba-bnb",
-  "shortName": "Boba BNB",
+  "shortName": "Boba",
+  "secondName": "BNB",
   "fullName": "Boba BNB Mainnet",
   "aliases": ["evm-56288", "boba-bsc"],
   "caip2Id": "eip155:56288",

registry/eip155/boba-testnet.json

@@ -1,6 +1,7 @@
 {
   "id": "boba-testnet",
-  "shortName": "Boba Sepolia",
+  "shortName": "Boba",
+  "secondName": "Sepolia",
   "fullName": "Boba Sepolia Testnet",
   "aliases": ["boba-sepolia"],
   "caip2Id": "eip155:28882",

registry/eip155/celo-alfajores.json

@@ -1,6 +1,7 @@
 {
   "id": "celo-alfajores",
-  "shortName": "Celo Alfajores",
+  "shortName": "Celo",
+  "secondName": "Alfajores",
   "fullName": "Celo Alfajores Testnet",
   "aliases": ["evm-44787", "celo-testnet"],
   "caip2Id": "eip155:44787",

registry/eip155/chapel.json

@@ -1,6 +1,7 @@
 {
   "id": "chapel",
-  "shortName": "BNB Chapel",
+  "shortName": "BNB",
+  "secondName": "Chapel",
   "fullName": "BNB Smart Chain Chapel Testnet",
   "aliases": ["bnb-chapel", "bnb-testnet", "bsc-testnet"],
   "caip2Id": "eip155:97",

registry/eip155/chiliz-testnet.json

@@ -1,6 +1,7 @@
 {
   "id": "chiliz-testnet",
   "shortName": "Chiliz",
+  "secondName": "Spicy",
   "fullName": "Chiliz Spicy Testnet",
   "aliases": ["chiliz-spicy-testnet", "evm-88882"],
   "caip2Id": "eip155:88882",

registry/eip155/fantom-testnet.json

@@ -1,7 +1,7 @@
 {
   "id": "fantom-testnet",
   "shortName": "Fantom",
-  "fullName": "Fantom Opera Testnet",
+  "fullName": "Fantom Testnet",
   "aliases": ["evm-4002"],
   "caip2Id": "eip155:4002",
   "graphNode": { "protocol": "ethereum" },

registry/eip155/fantom.json

@@ -1,6 +1,7 @@
 {
   "id": "fantom",
   "shortName": "Fantom",
+  "secondName": "Opera",
   "fullName": "Fantom Opera Mainnet",
   "aliases": ["evm-250", "fantom-mainnet", "fantom-opera"],
   "caip2Id": "eip155:250",

registry/eip155/fuji.json

@@ -1,6 +1,7 @@
 {
   "id": "fuji",
-  "shortName": "Avalanche Fuji",
+  "shortName": "Avalanche",
+  "secondName": "Fuji",
   "fullName": "Avalanche Fuji Testnet",
   "aliases": ["evm-43113", "avalanche-fuji"],
   "caip2Id": "eip155:43113",

registry/eip155/gnosis-chiado.json

@@ -1,6 +1,7 @@
 {
   "id": "gnosis-chiado",
-  "shortName": "Gnosis Chiado",
+  "shortName": "Gnosis",
+  "secondName": "Chiado",
   "fullName": "Gnosis Chiado Testnet",
   "aliases": ["chiado"],
   "caip2Id": "eip155:10200",

registry/eip155/gravity-mainnet.json

@@ -1,6 +1,7 @@
 {
   "id": "gravity-mainnet",
   "shortName": "Gravity",
+  "secondName": "Alpha",
   "fullName": "Gravity Alpha Mainnet",
   "aliases": ["gravity"],
   "caip2Id": "eip155:1625",

registry/eip155/gravity-testnet.json

@@ -1,6 +1,7 @@
 {
   "id": "gravity-testnet",
-  "shortName": "Gravity Sepolia",
+  "shortName": "Gravity",
+  "secondName": "Sepolia",
   "fullName": "Gravity Sepolia Testnet",
   "aliases": ["gravity-sepolia"],
   "caip2Id": "eip155:13505",

registry/eip155/holesky.json

@@ -1,6 +1,7 @@
 {
   "id": "holesky",
-  "shortName": "Holesky",
+  "shortName": "Ethereum",
+  "secondName": "Holesky",
   "fullName": "Ethereum Holesky Testnet",
   "aliases": ["evm-17000"],
   "caip2Id": "eip155:17000",

registry/eip155/jungle4-evm.json

@@ -1,6 +1,7 @@
 {
   "id": "jungle4-evm",
-  "shortName": "Jungle4 EVM",
+  "shortName": "EOS EVM",
+  "secondName": "Jungle4",
   "fullName": "EOS Jungle4 EVM Testnet",
   "aliases": ["jungle4-evm-testnet", "eos-evm-testnet", "evm-15557"],
   "caip2Id": "eip155:15557",

registry/eip155/kaia-testnet.json

@@ -1,7 +1,8 @@
 {
   "id": "kaia-testnet",
   "shortName": "Kaia",
-  "fullName": "Kaia Testnet Kairos",
+  "secondName": "Kairos",
+  "fullName": "Kaia Kairos Testnet",
   "aliases": ["evm-1001"],
   "caip2Id": "eip155:1001",
   "graphNode": { "protocol": "ethereum" },

registry/eip155/linea-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "linea-sepolia",
-  "shortName": "Linea Sepolia",
+  "shortName": "Linea",
+  "secondName": "Sepolia",
   "fullName": "Linea Sepolia Testnet",
   "aliases": ["evm-59141", "linea-testnet"],
   "caip2Id": "eip155:59141",

registry/eip155/mbase.json

@@ -1,6 +1,7 @@
 {
   "id": "mbase",
-  "shortName": "Moonbase Alpha",
+  "shortName": "Moonbase",
+  "secondName": "Alpha",
   "fullName": "Moonbase Alpha Testnet",
   "aliases": ["evm-1287", "moonbase"],
   "caip2Id": "eip155:1287",

registry/eip155/mode-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "mode-sepolia",
-  "shortName": "Mode Sepolia",
+  "shortName": "Mode",
+  "secondName": "Sepolia",
   "fullName": "Mode Sepolia Testnet",
   "aliases": ["evm-919", "mode-testnet"],
   "caip2Id": "eip155:919",

registry/eip155/optimism-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "optimism-sepolia",
-  "shortName": "Optimism Sepolia",
+  "shortName": "Optimism",
+  "secondName": "Sepolia",
   "fullName": "OP Sepolia Testnet",
   "aliases": ["op-sepolia", "opsepolia"],
   "caip2Id": "eip155:11155420",

registry/eip155/polygon-amoy.json

@@ -1,6 +1,7 @@
 {
   "id": "polygon-amoy",
-  "shortName": "Amoy",
+  "shortName": "Polygon",
+  "secondName": "Amoy",
   "fullName": "Polygon Amoy Testnet",
   "aliases": ["amoy-testnet", "amoy"],
   "caip2Id": "eip155:80002",

registry/eip155/polygon-zkevm.json

@@ -1,6 +1,7 @@
 {
   "id": "polygon-zkevm",
-  "shortName": "Polygon zkEVM",
+  "shortName": "Polygon",
+  "secondName": "zkEVM",
   "fullName": "Polygon zkEVM Mainnet",
   "aliases": [],
   "caip2Id": "eip155:1101",

registry/eip155/scroll-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "scroll-sepolia",
-  "shortName": "Scroll Sepolia",
+  "shortName": "Scroll",
+  "secondName": "Sepolia",
   "fullName": "Scroll Sepolia Testnet",
   "aliases": ["evm-534351", "scroll-testnet"],
   "caip2Id": "eip155:534351",

registry/eip155/sei-atlantic.json

@@ -1,6 +1,7 @@
 {
   "id": "sei-atlantic",
-  "shortName": "Sei Atlantic",
+  "shortName": "Sei",
+  "secondName": "Atlantic",
   "fullName": "Sei Atlantic Testnet",
   "aliases": ["sei-testnet", "sei-atlantic2"],
   "caip2Id": "eip155:1328",

registry/eip155/sepolia.json

@@ -1,7 +1,8 @@
 {
   "id": "sepolia",
-  "shortName": "Ethereum Sepolia",
-  "fullName": "Ethereum Seepolia Testnet",
+  "shortName": "Ethereum",
+  "secondName": "Sepolia",
+  "fullName": "Ethereum Sepolia Testnet",
   "aliases": ["evm-11155111"],
   "caip2Id": "eip155:11155111",
   "networkType": "testnet",

registry/eip155/soneium-minato.json

@@ -1,6 +1,7 @@
 {
   "id": "soneium-minato",
-  "shortName": "Soneium Minato",
+  "shortName": "Soneium",
+  "secondName": "Minato",
   "fullName": "Soneium Minato Testnet",
   "aliases": ["soneium-minato-testnet", "soneium-testnet"],
   "caip2Id": "eip155:1946",

registry/eip155/unichain-testnet.json

@@ -1,6 +1,7 @@
 {
   "id": "unichain-testnet",
-  "shortName": "Unichain Sepolia",
+  "shortName": "Unichain",
+  "secondName": "Sepolia",
   "fullName": "Unichain Sepolia Testnet",
   "aliases": ["evm-1301"],
   "caip2Id": "eip155:1301",

registry/eip155/xlayer-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "xlayer-sepolia",
   "shortName": "XLayer",
+  "secondName": "Sepolia",
   "fullName": "XLayer Testnet",
   "aliases": ["evm-195"],
   "caip2Id": "eip155:195",

registry/eip155/zksync-era-sepolia.json

@@ -1,6 +1,7 @@
 {
   "id": "zksync-era-sepolia",
   "shortName": "zkSync",
+  "secondName": "Sepolia",
   "fullName": "zkSync Sepolia Testnet",
   "aliases": ["evm-300", "zksync-testnet", "zksync-sepolia"],
   "caip2Id": "eip155:300",

registry/eip155/zksync-era.json

@@ -1,6 +1,7 @@
 {
   "id": "zksync-era",
   "shortName": "zkSync",
+  "secondName": "Era",
   "fullName": "zkSync Mainnet",
   "aliases": ["evm-324", "zksync"],
   "caip2Id": "eip155:324",