diff --git a/.changeset/rotten-wasps-grab.md b/.changeset/rotten-wasps-grab.md
new file mode 100644
index 00000000..75c35762
--- /dev/null
+++ b/.changeset/rotten-wasps-grab.md
@@ -0,0 +1,5 @@
+---
+"@wagmi/chains": patch
+---
+
+Added shardeum sphinx chain.
diff --git a/packages/chains/README.md b/packages/chains/README.md
index 23ddd6f4..054d276d 100644
--- a/packages/chains/README.md
+++ b/packages/chains/README.md
@@ -79,6 +79,7 @@ const { chains, provider } = configureChains(
 - `polygonMumbai`
 - `pulsechain`
 - `pulsechainV4`
+- `shardeumSphinx`
 - `skaleBlockBrawlers`
 - `skaleCalypso`
 - `skaleCalypsoTestnet`
diff --git a/packages/chains/src/index.ts b/packages/chains/src/index.ts
index 297e07ff..9d9236f9 100644
--- a/packages/chains/src/index.ts
+++ b/packages/chains/src/index.ts
@@ -116,6 +116,7 @@ export { skaleTitan } from './skale/titan'
 export { skaleTitanTestnet } from './skale/titanTestnet'
 export { songbird } from './songbird'
 export { songbirdTestnet } from './songbirdTestnet'
+export { shardeumDappsSphinx } from './shardeumDappsSphinx'
 export { shardeumSphinx } from './shardeumSphinx'
 export { syscoin } from './syscoin'
 export { syscoinTestnet } from './syscoinTestnet'
diff --git a/packages/chains/src/shardeumDappsSphinx.ts b/packages/chains/src/shardeumDappsSphinx.ts
new file mode 100644
index 00000000..2f5155a6
--- /dev/null
+++ b/packages/chains/src/shardeumDappsSphinx.ts
@@ -0,0 +1,22 @@
+import { Chain } from './types'
+
+export const shardeumDappsSphinx = {
+  id: 8081,
+  name: 'Shardeum Dapp Sphinx 1.X',
+  network: 'shmDappsSphinx',
+  nativeCurrency: { name: 'SHARDEUM', symbol: 'SHM', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://dapps.shardeum.org'],
+    },
+    public: {
+      http: ['https://dapps.shardeum.org'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Shardeum Explorer',
+      url: 'https://explorer-dapps.shardeum.org',
+    },
+  }
+} as const satisfies Chain