diff --git a/chain4energy/chain.json b/chain4energy/chain.json
index c1a69faa48..d33c16c196 100644
--- a/chain4energy/chain.json
+++ b/chain4energy/chain.json
@@ -161,6 +161,11 @@
         "id": "8542cd7e6bf9d260fef543bc49e59be5a3fa9074",
         "address": "seed.publicnode.com:26656",
         "provider": "Allnodes ⚡️ Nodes & Staking"
+      },
+      {
+        "id": "7c7c5158c5b67797f85a4e376db8b79da0dadbac",
+        "address": "seed.polcrypto.pl:26656",
+        "provider": "POLCRYPTO.PL"
       }
     ],
     "persistent_peers": [
@@ -228,6 +233,11 @@
         "id": "15ea07bf6211f708eb2966b6c66e3aaa45834137",
         "address": "185.144.99.37:16656",
         "provider": "CrypTech"
+      },
+      {
+        "id": "7c7c5158c5b67797f85a4e376db8b79da0dadbac",
+        "address": "peer.polcrypto.pl:26656",
+        "provider": "POLCRYPTO.PL"
       }
     ]
   },
@@ -352,6 +362,10 @@
       {
         "address": "https://chain4energy_mainnet_rpc.chain.whenmoonwhenlambo.money",
         "provider": "🚀 WHEN MOON 🌕 WHEN LAMBO 🔥"
+      },
+      {
+        "address": "https://rpc.polcrypto.pl:443",
+        "provider": "POLCRYPTO.PL"
       }
     ],
     "rest": [
@@ -458,6 +472,10 @@
       {
         "address": "https://chain4energy_mainnet_api.chain.whenmoonwhenlambo.money",
         "provider": "🚀 WHEN MOON 🌕 WHEN LAMBO 🔥"
+      },
+      {
+        "address": "https://rest.polcrypto.pl:443",
+        "provider": "POLCRYPTO.PL"
       }
     ],
     "grpc": [
@@ -560,6 +578,10 @@
       {
         "address": "http://207.180.208.47:46657",
         "provider": "NakoTurk"
+      },
+      {
+        "address": "grpc.polcrypto.pl:443",
+        "provider": "POLCRYPTO.PL"
       }
     ]
   },
@@ -646,6 +668,12 @@
       "url": "https://explorer.whenmoonwhenlambo.money/chain4energy",
       "tx_page": "https://explorer.whenmoonwhenlambo.money/chain4energy/tx/${txHash}",
       "account_page": "https://explorer.whenmoonwhenlambo.money/chain4energy/account/${accountAddress}"
+    },
+    {
+      "kind": "POLCRYPTO.PL",
+      "url": "https://explorer.polcrypto.pl",
+      "tx_page": "https://explorer.polcrypto.pl/tx/${txHash}",
+      "account_page": "https://explorer.polcrypto.pl/account/${accountAddress}"
     }
   ],
   "images": [
@@ -653,4 +681,4 @@
       "png": "https://raw.githubusercontent.com/cosmos/chain-registry/master/chain4energy/images/c4e.png"
     }
   ]
-}
\ No newline at end of file
+}