diff --git a/production/mempool-config.bisq.json b/production/mempool-config.bisq.json
index bd00bd0bf..de1c32104 100644
--- a/production/mempool-config.bisq.json
+++ b/production/mempool-config.bisq.json
@@ -1,17 +1,20 @@
 {
   "MEMPOOL": {
     "NETWORK": "bisq",
+    "BACKEND": "esplora",
     "HTTP_PORT": 8996,
     "MINED_BLOCKS_CACHE": 144,
     "SPAWN_CLUSTER_PROCS": 4,
     "API_URL_PREFIX": "/api/v1/",
-    "WEBSOCKET_REFRESH_RATE_MS": 2000
-  },
-  "ELECTRS": {
-    "ENABLED": true,
-    "REST_API_URL": "http://[::1]:3000",
     "POLL_RATE_MS": 2000
   },
+  "CORE_RPC": {
+    "USERNAME": "foo",
+    "PASSWORD": "bar"
+  },
+  "ESPLORA": {
+    "REST_API_URL": "http://[::1]:3000"
+  },
   "DATABASE": {
     "ENABLED": false,
     "HOST": "localhost",
diff --git a/production/mempool-config.liquid.json b/production/mempool-config.liquid.json
index af2ce910a..5902dee68 100644
--- a/production/mempool-config.liquid.json
+++ b/production/mempool-config.liquid.json
@@ -1,16 +1,20 @@
 {
   "MEMPOOL": {
     "NETWORK": "liquid",
+    "BACKEND": "esplora",
     "HTTP_PORT": 8998,
     "MINED_BLOCKS_CACHE": 144,
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
     "WEBSOCKET_REFRESH_RATE_MS": 2000
   },
-  "ELECTRS": {
-    "ENABLED": true,
-    "REST_API_URL": "http://[::1]:3001",
-    "POLL_RATE_MS": 2000
+  "CORE_RPC": {
+    "PORT": 7041,
+    "USERNAME": "foo",
+    "PASSWORD": "bar"
+  },
+  "ESPLORA": {
+    "REST_API_URL": "http://[::1]:3001"
   },
   "DATABASE": {
     "ENABLED": true,
diff --git a/production/mempool-config.mainnet.json b/production/mempool-config.mainnet.json
index aef3838fc..bb6f7d2e1 100644
--- a/production/mempool-config.mainnet.json
+++ b/production/mempool-config.mainnet.json
@@ -1,17 +1,20 @@
 {
   "MEMPOOL": {
     "NETWORK": "mainnet",
+    "BACKEND": "esplora",
     "HTTP_PORT": 8999,
     "MINED_BLOCKS_CACHE": 144,
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
-    "WEBSOCKET_REFRESH_RATE_MS": 2000
-  },
-  "ELECTRS": {
-    "ENABLED": true,
-    "REST_API_URL": "http://[::1]:3000",
     "POLL_RATE_MS": 2000
   },
+  "CORE_RPC": {
+    "USERNAME": "foo",
+    "PASSWORD": "bar"
+  },
+  "ESPLORA": {
+    "REST_API_URL": "http://[::1]:3000"
+  },
   "DATABASE": {
     "ENABLED": true,
     "HOST": "localhost",
diff --git a/production/mempool-config.testnet.json b/production/mempool-config.testnet.json
index 563c0b9a2..8e0c013ed 100644
--- a/production/mempool-config.testnet.json
+++ b/production/mempool-config.testnet.json
@@ -1,17 +1,21 @@
 {
   "MEMPOOL": {
     "NETWORK": "testnet",
+    "BACKEND": "esplora",
     "HTTP_PORT": 8997,
     "MINED_BLOCKS_CACHE": 144,
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
-    "WEBSOCKET_REFRESH_RATE_MS": 2000
-  },
-  "ELECTRS": {
-    "ENABLED": true,
-    "REST_API_URL": "http://[::1]:3002",
     "POLL_RATE_MS": 2000
   },
+  "CORE_RPC": {
+    "PORT": 18332,
+    "USERNAME": "foo",
+    "PASSWORD": "bar"
+  },
+  "ESPLORA": {
+    "REST_API_URL": "http://[::1]:3002"
+  },
   "DATABASE": {
     "ENABLED": true,
     "HOST": "localhost",