diff --git a/conf/dnsmasq/dnsmasq.conf.exemple b/conf/dnsmasq/dnsmasq.conf.exemple
index 010db38c..2ec1bf57 100644
--- a/conf/dnsmasq/dnsmasq.conf.exemple
+++ b/conf/dnsmasq/dnsmasq.conf.exemple
@@ -15,6 +15,5 @@ address=/sdk-relay2.local/172.20.0.15
 address=/sdk-relay3.local/172.20.0.16
 address=/sdk-signer.local/172.20.0.17
 address=/ihm-client.local/172.20.0.18
-address=/miniback-postgres.local/172.20.0.30
 address=/coffre-front.local/172.20.0.32
 address=/coffre-back-mini.local/172.20.0.33
diff --git a/docker-compose.yml b/docker-compose.yml
index a519afac..362fd217 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,9 +3,9 @@ version: '3.8'
 # Updated to use newer Go-based images for builds; placeholder for future dynamic tag adjustments
 
 services:
-  tor:
+  tor.local:
     image: dperson/torproxy:latest
-    container_name: 4nk-tor
+    container_name: tor.local
     hostname: tor.local
     ports:
       - "9050:9050"
@@ -15,12 +15,11 @@ services:
         ipv4_address: 172.20.0.10
     restart: unless-stopped
 
-  bitcoin:
+  bitcoin.local:
     image: ruimarinho/bitcoin-core:latest
     container_name: bitcoin.local
     hostname: bitcoin.local
     ports:
-      - "38333:38333"
       - "38332:38332"
       - "29000:29000"
     volumes:
@@ -32,9 +31,9 @@ services:
         ipv4_address: 172.20.0.11
     restart: unless-stopped
     depends_on:
-      - tor
+      - tor.local
 
-  blindbit-oracle:
+  blindbit-oracle.local:
     image: git.4nkweb.com/4nk/blindbit-oracle:dev
     container_name: blindbit-oracle.local
     hostname: blindbit-oracle.local
@@ -42,8 +41,12 @@ services:
       - "8000:8000"
 
     environment:
-      - HOST=0.0.0.0:8000
-      - CHAIN=signet
+      - HOST=blindbit-oracle.local:8000
+      - CHAIN="signet"
+      - RPC_ENDPOINT="http://bitcoin.local:38332"
+      - COOKIE_PATH="/home/bitcoin/.bitcoin/signet/.cookie"
+      - RPC_USER=""
+      - RPC_PASS=""
       - SYNC_START_HEIGHT=1
       - MAX_PARALLEL_TWEAK_COMPUTATIONS=4
       - MAX_PARALLEL_REQUESTS=4
@@ -51,6 +54,19 @@ services:
       - TWEAKS_FULL_BASIC=1
       - TWEAKS_FULL_WITH_DUST_FILTER=1
       - TWEAKS_CUT_THROUGH_WITH_DUST_FILTER=1
+      - host="blindbit-oracle.local:8000"
+      - chain="signet"
+      - rpc_endpoint="http://bitcoin.local:38332"
+      - cookie_path="/home/bitcoin/.bitcoin/signet/.cookie"
+      - rpc_user=""
+      - rpc_pass=""
+      - sync_start_height=1
+      - max_parallel_tweak_computations=4
+      - max_parallel_requests=4
+      - tweaks_only=0
+      - tweaks_full_basic=1
+      - tweaks_full_with_dust_filter=1
+      - tweaks_cut_through_with_dust_filter=1
     command: [ "/main", "--datadir", "/blindbit-oracle" ]
     working_dir: /
     volumes:
@@ -62,7 +78,7 @@ services:
         ipv4_address: 172.20.0.12
     restart: unless-stopped
     depends_on:
-      - bitcoin
+      - bitcoin.local
     healthcheck:
       test: [ "CMD", "wget", "--quiet", "--tries=1", "--timeout=5", "--spider", "http://localhost:8000" ]
       interval: 30s
@@ -70,9 +86,9 @@ services:
       retries: 3
       start_period: 40s
 
-  sdk_storage:
+  sdk_storage.local:
     image: git.4nkweb.com/4nk/sdk_storage:dev
-    container_name: 4nk-sdk-storage
+    container_name: sdk-storage.local
     hostname: sdk-storage.local
     ports:
       - "8081:8080"
@@ -90,16 +106,20 @@ services:
       retries: 3
       start_period: 40s
 
-  sdk_relay1:
+  sdk_relay1.local:
     image: git.4nkweb.com/4nk/sdk_relay:dev
-    container_name: 4nk-sdk-relay1
+    container_name: sdk-relay1.local
     hostname: sdk-relay1.local
     ports:
       - "8090:8090"
       - "8091:8091"
     environment:
-      - RELAY_RPC_USER=bitcoin
-      - RELAY_RPC_PASSWORD=bitcoin
+      - RELAY_RPC_USER=""
+      - RELAY_RPC_PASSWORD=""
+      - COOKIE_PATH="/home/bitcoin/.bitcoin/signet/.cookie"
+      - relay_rpc_user=""
+      - relay_rpc_password=""
+      - cookie_path="/home/bitcoin/.bitcoin/signet/.cookie"
     volumes:
       - ./modules/sdk_relay1/conf/sdk_relay1.conf:/home/bitcoin/.conf:ro
       - ./modules/sdk_relay1/logs:/home/bitcoin/logs
@@ -109,7 +129,7 @@ services:
         ipv4_address: 172.20.0.14
     restart: unless-stopped
     depends_on:
-      - blindbit-oracle
+      - blindbit-oracle.local
     healthcheck:
       test: [ "CMD", "curl", "-f", "http://localhost:8090/health" ]
       interval: 30s
@@ -117,16 +137,20 @@ services:
       retries: 3
       start_period: 40s
 
-  sdk_relay2:
+  sdk_relay2.local:
     image: git.4nkweb.com/4nk/sdk_relay:dev
-    container_name: 4nk-sdk-relay2
+    container_name: sdk-relay2.local
     hostname: sdk-relay2.local
     ports:
       - "8092:8090"
       - "8093:8091"
     environment:
-      - RELAY_RPC_USER=bitcoin
-      - RELAY_RPC_PASSWORD=bitcoin
+      - RELAY_RPC_USER=""
+      - RELAY_RPC_PASSWORD=""
+      - COOKIE_PATH="/home/bitcoin/.bitcoin/signet/.cookie"
+      - relay_rpc_user=""
+      - relay_rpc_password=""
+      - cookie_path="/home/bitcoin/.bitcoin/signet/.cookie"
     volumes:
       - ./modules/sdk_relay2/conf/sdk_relay2.conf:/home/bitcoin/.conf:ro
       - ./modules/sdk_relay2/logs:/home/bitcoin/logs
@@ -136,7 +160,7 @@ services:
         ipv4_address: 172.20.0.15
     restart: unless-stopped
     depends_on:
-      - blindbit-oracle
+      - blindbit-oracle.local
     healthcheck:
       test: [ "CMD", "curl", "-f", "http://localhost:8090/health" ]
       interval: 30s
@@ -144,16 +168,20 @@ services:
       retries: 3
       start_period: 40s
 
-  sdk_relay3:
+  sdk_relay3.local:
     image: git.4nkweb.com/4nk/sdk_relay:dev
-    container_name: 4nk-sdk-relay3
+    container_name: sdk-relay3.local
     hostname: sdk-relay3.local
     ports:
       - "8094:8090"
       - "8095:8091"
     environment:
-      - RELAY_RPC_USER=bitcoin
-      - RELAY_RPC_PASSWORD=bitcoin
+      - RELAY_RPC_USER=""
+      - RELAY_RPC_PASSWORD=""
+      - COOKIE_PATH="/home/bitcoin/.bitcoin/signet/.cookie"
+      - relay_rpc_user=""
+      - relay_rpc_password=""
+      - cookie_path="/home/bitcoin/.bitcoin/signet/.cookie"
     volumes:
       - ./modules/sdk_relay3/conf/sdk_relay3.conf:/home/bitcoin/.conf:ro
       - ./modules/sdk_relay3/logs:/home/bitcoin/logs
@@ -163,7 +191,7 @@ services:
         ipv4_address: 172.20.0.16
     restart: unless-stopped
     depends_on:
-      - blindbit-oracle
+      - blindbit-oracle.local
     healthcheck:
       test: [ "CMD", "curl", "-f", "http://localhost:8090/health" ]
       interval: 30s
@@ -171,9 +199,9 @@ services:
       retries: 3
       start_period: 40s
 
-  sdk_signer:
+  sdk_signer.local:
     image: git.4nkweb.com/4nk/sdk_signer:dev
-    container_name: 4nk-sdk-signer
+    container_name: sdk-signer.local
     hostname: sdk-signer.local
     ports:
       - "9090:9090"
@@ -186,10 +214,10 @@ services:
         ipv4_address: 172.20.0.17
     restart: unless-stopped
     depends_on:
-      - sdk_storage
-      - sdk_relay1
-      - sdk_relay2
-      - sdk_relay3
+      - sdk_storage.local
+      - sdk_relay1.local
+      - sdk_relay2.local
+      - sdk_relay3.local
     healthcheck:
       test: [ "CMD", "wget", "--quiet", "--tries=1", "--timeout=5", "--spider", "http://localhost:9090" ]
       interval: 30s
@@ -197,9 +225,9 @@ services:
       retries: 3
       start_period: 40s
 
-  ihm_client:
+  ihm_client.local:
     image: git.4nkweb.com/4nk/ihm_client:dev
-    container_name: 4nk-ihm-client
+    container_name: ihm-client.local
     hostname: ihm-client.local
     ports:
       - "8080:80"
@@ -211,10 +239,10 @@ services:
         ipv4_address: 172.20.0.18
     restart: unless-stopped
     depends_on:
-      - sdk_storage
-      - sdk_relay1
-      - sdk_relay2
-      - sdk_relay3
+      - sdk_storage.local
+      - sdk_relay1.local
+      - sdk_relay2.local
+      - sdk_relay3.local
     healthcheck:
       test: [ "CMD", "wget", "--quiet", "--tries=1", "--timeout=5", "--spider", "http://localhost" ]
       interval: 30s
@@ -222,26 +250,11 @@ services:
       retries: 3
       start_period: 40s
 
-  miniback-postgres:
-    image: postgres:16
-    container_name: miniback-postgres
-    hostname: miniback-postgres.local
-    environment:
-      - POSTGRES_USER=miniback
-      - POSTGRES_PASSWORD=minibackpassword
-      - POSTGRES_DB=miniback
-    volumes:
-      - miniback_pg_data:/var/lib/postgresql/data
-    networks:
-      4nk_network:
-        ipv4_address: 172.20.0.30
-    restart: unless-stopped
-    ports:
-      - "5432:5432"
 
-  coffre_front:
+
+  coffre-front.local:
     image: git.4nkweb.com/4nk/lecoffre-front:dev
-    container_name: coffre-front
+    container_name: coffre-front.local
     hostname: coffre-front.local
     volumes:
       - ./projects/lecoffre/lecoffre-front/logs:/logs
@@ -250,24 +263,20 @@ services:
         ipv4_address: 172.20.0.32
     restart: unless-stopped
     depends_on:
-      - coffre_back_mini
-      - ihm_client
-      - sdk_signer
+      - coffre-back-mini.local
+      - ihm_client.local
+      - sdk_signer.local
 
-  coffre_back_mini:
+  coffre-back-mini.local:
     image: git.4nkweb.com/4nk/lecoffre-back-mini:dev
-    container_name: coffre-back-mini
+    container_name: coffre-back-mini.local
     hostname: coffre-back-mini.local
     networks:
       4nk_network:
         ipv4_address: 172.20.0.33
     restart: unless-stopped
-    depends_on:
-      - miniback-postgres
 
 volumes:
-  miniback_pg_data:
-
 
 networks:
   4nk_network:
diff --git a/docs/BITCOIN_TROUBLESHOOTING.md b/docs/BITCOIN_TROUBLESHOOTING.md
index 06db9de7..92f9564c 100644
--- a/docs/BITCOIN_TROUBLESHOOTING.md
+++ b/docs/BITCOIN_TROUBLESHOOTING.md
@@ -140,6 +140,6 @@ ls -la modules/bitcoin/data/
 
 ---
 
-**Date de création** : 2025-09-10  
-**Dernière mise à jour** : 2025-09-10  
+**Date de création** : 2025-09-10
+**Dernière mise à jour** : 2025-09-10
 **Statut** : En cours de diagnostic
diff --git a/modules/bitcoin/conf/bitcoin.conf b/modules/bitcoin/conf/bitcoin.conf
index a57cff41..d9e0ce4d 100644
--- a/modules/bitcoin/conf/bitcoin.conf
+++ b/modules/bitcoin/conf/bitcoin.conf
@@ -23,8 +23,8 @@ zmqpubrawtx=tcp://bitcoin.local:29000
 [signet]
 listen=1
 bind=bitcoin.local:38333
-rpcbind=bitcoin.local:18443
-rpcport=18443
+rpcbind=bitcoin.local:38332
+rpcport=38332
 fallbackfee=0.0001
 blockfilterindex=1
 datacarriersize=205
diff --git a/modules/bitcoin/conf/bitcoin.conf.exemple b/modules/bitcoin/conf/bitcoin.conf.exemple
index a57cff41..d9e0ce4d 100644
--- a/modules/bitcoin/conf/bitcoin.conf.exemple
+++ b/modules/bitcoin/conf/bitcoin.conf.exemple
@@ -23,8 +23,8 @@ zmqpubrawtx=tcp://bitcoin.local:29000
 [signet]
 listen=1
 bind=bitcoin.local:38333
-rpcbind=bitcoin.local:18443
-rpcport=18443
+rpcbind=bitcoin.local:38332
+rpcport=38332
 fallbackfee=0.0001
 blockfilterindex=1
 datacarriersize=205
diff --git a/modules/ihm_client/conf/.env.exemple b/modules/ihm_client/conf/.env.exemple
index 013d3805..14b846a7 100644
--- a/modules/ihm_client/conf/.env.exemple
+++ b/modules/ihm_client/conf/.env.exemple
@@ -1,16 +1,16 @@
 
 [PROD]
 U32_MAX=4294967295
-BASEURL="http://ihm-client.4nk.local"
-BOOTSTRAPURL=["http://sdk-relay1.4nk.local:8090"]
-STORAGEURL="http://sdk-storage.4nk.local/storage"
-BLINDBITURL="http://blindbit.4nk.local:8000"
+BASEURL="http://ihm-client.local"
+BOOTSTRAPURL=["http://sdk-relay1.local:8090"]
+STORAGEURL="http://sdk-storage.local/storage"
+BLINDBITURL="http://blindbit.local:8000"
 DEFAULTAMOUNT=1000
 
 [DEV]
 U32_MAX=4294967295
-BASEURL="http://ihm-client.4nk.local"
-BOOTSTRAPURL=["http://sdk-relay1.4nk.local:8090"]
-STORAGEURL="http://sdk-storage.4nk.local/storage"
-BLINDBITURL="http://blindbit.4nk.local:8000"
+BASEURL="http://ihm-client.local"
+BOOTSTRAPURL=["http://sdk-relay1.local:8090"]
+STORAGEURL="http://sdk-storage.local/storage"
+BLINDBITURL="http://blindbit.local:8000"
 DEFAULTAMOUNT=1000
\ No newline at end of file
diff --git a/modules/sdk_relay1/conf/sdk_relay1.conf.exemple b/modules/sdk_relay1/conf/sdk_relay1.conf.exemple
index 2d2cab44..2902c07b 100644
--- a/modules/sdk_relay1/conf/sdk_relay1.conf.exemple
+++ b/modules/sdk_relay1/conf/sdk_relay1.conf.exemple
@@ -1,9 +1,9 @@
-core_url="http://bitcoin:38332"
+core_url="http://bitcoin.local:38332"
 ws_url="sdk-relay1.local:8090"
 wallet_name="default"
 network="signet"
 blindbit_url="http://blindbit-oracle.local:8000"
-zmq_url="tcp://bitcoin:29000"
+zmq_url="tcp://bitcoin.local:29000"
 storage="https://sdk-storage.local/storage"
 data_dir="/home/bitcoin/.4nk"
-bitcoin_data_dir="/home/bitcoin/.bitcoin"
\ No newline at end of file
+bitcoin_data_dir="/home/bitcoin/.bitcoin"
diff --git a/modules/sdk_relay2/conf/sdk_relay2.conf.exemple b/modules/sdk_relay2/conf/sdk_relay2.conf.exemple
index ea1c02dd..8d5cb13e 100644
--- a/modules/sdk_relay2/conf/sdk_relay2.conf.exemple
+++ b/modules/sdk_relay2/conf/sdk_relay2.conf.exemple
@@ -1,9 +1,9 @@
-core_url="http://bitcoin:38332"
+core_url="http://bitcoin.local:38332"
 ws_url="sdk-relay2.local:8090"
 wallet_name="default"
 network="signet"
 blindbit_url="http://blindbit-oracle.local:8000"
-zmq_url="tcp://bitcoin:29000"
+zmq_url="tcp://bitcoin.local:29000"
 storage="https://sdk-storage.local/storage"
 data_dir="/home/bitcoin/.4nk"
-bitcoin_data_dir="/home/bitcoin/.bitcoin"
\ No newline at end of file
+bitcoin_data_dir="/home/bitcoin/.bitcoin"
diff --git a/modules/sdk_relay3/conf/sdk_relay3.conf.exemple b/modules/sdk_relay3/conf/sdk_relay3.conf.exemple
index 81f8b3a9..5e041773 100644
--- a/modules/sdk_relay3/conf/sdk_relay3.conf.exemple
+++ b/modules/sdk_relay3/conf/sdk_relay3.conf.exemple
@@ -1,9 +1,9 @@
-core_url="http://bitcoin:38332"
+core_url="http://bitcoin.local:38332"
 ws_url="sdk-relay3.local:8090"
 wallet_name="default"
 network="signet"
 blindbit_url="http://blindbit-oracle.local:8000"
-zmq_url="tcp://bitcoin:29000"
+zmq_url="tcp://bitcoin.local:29000"
 storage="https://sdk-storage.local/storage"
 data_dir="/home/bitcoin/.4nk"
-bitcoin_data_dir="/home/bitcoin/.bitcoin"
\ No newline at end of file
+bitcoin_data_dir="/home/bitcoin/.bitcoin"
diff --git a/modules/sdk_signer/conf/.env.exemple b/modules/sdk_signer/conf/.env.exemple
index ad113073..51bb0692 100644
--- a/modules/sdk_signer/conf/.env.exemple
+++ b/modules/sdk_signer/conf/.env.exemple
@@ -13,6 +13,8 @@ bitcoin_rpc_url = "http://bitcoin.local:38332"
 # Authentification Bitcoin
 bitcoin_rpc_user = "bitcoin"
 bitcoin_rpc_password = "bitcoin"
+data_dir="/home/bitcoin/.4nk"
+bitcoin_data_dir="/home/bitcoin/.bitcoin"
 
 # Mode développement
 dev_mode = true
diff --git a/modules/sdk_signer/data/CURRENT b/modules/sdk_signer/data/CURRENT
index 951d7de3..6b017c6f 100644
--- a/modules/sdk_signer/data/CURRENT
+++ b/modules/sdk_signer/data/CURRENT
@@ -1 +1 @@
-MANIFEST-000517
+MANIFEST-000791
diff --git a/modules/sdk_signer/data/LOG b/modules/sdk_signer/data/LOG
index 4c08a6fc..f90f7df8 100644
--- a/modules/sdk_signer/data/LOG
+++ b/modules/sdk_signer/data/LOG
@@ -1,3 +1,3 @@
-2025/09/10-16:33:07.003716 7fdbf603cb38 Recovering log #516
-2025/09/10-16:33:07.019125 7fdbf603cb38 Delete type=0 #516
-2025/09/10-16:33:07.019162 7fdbf603cb38 Delete type=3 #515
+2025/09/11-07:35:29.765658 7f32ae08cb38 Recovering log #790
+2025/09/11-07:35:29.783093 7f32ae08cb38 Delete type=3 #789
+2025/09/11-07:35:29.783159 7f32ae08cb38 Delete type=0 #790
diff --git a/modules/sdk_signer/data/LOG.old b/modules/sdk_signer/data/LOG.old
index 5052fe45..6161e147 100644
--- a/modules/sdk_signer/data/LOG.old
+++ b/modules/sdk_signer/data/LOG.old
@@ -1,3 +1,3 @@
-2025/09/10-16:32:35.916719 7f0ece79cb38 Recovering log #514
-2025/09/10-16:32:35.932279 7f0ece79cb38 Delete type=0 #514
-2025/09/10-16:32:35.932310 7f0ece79cb38 Delete type=3 #513
+2025/09/11-07:34:58.695441 7eff68c3fb38 Recovering log #788
+2025/09/11-07:34:58.713050 7eff68c3fb38 Delete type=0 #788
+2025/09/11-07:34:58.713099 7eff68c3fb38 Delete type=3 #787
diff --git a/modules/sdk_signer/data/MANIFEST-000517 b/modules/sdk_signer/data/MANIFEST-000791
similarity index 57%
rename from modules/sdk_signer/data/MANIFEST-000517
rename to modules/sdk_signer/data/MANIFEST-000791
index 9e916531..6b1c8e1c 100644
Binary files a/modules/sdk_signer/data/MANIFEST-000517 and b/modules/sdk_signer/data/MANIFEST-000791 differ
diff --git a/modules/sdk_storage/conf/.gitkeep b/modules/sdk_storage/conf/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/sdk_storage/conf/sdk_storage.conf.exemple b/modules/sdk_storage/conf/sdk_storage.conf.exemple
deleted file mode 100644
index 550e01d4..00000000
--- a/modules/sdk_storage/conf/sdk_storage.conf.exemple
+++ /dev/null
@@ -1,33 +0,0 @@
-# Configuration sdk_storage - Module 4NK_node
-
-# Port d'écoute
-http_port = 8080
-
-# Base de données
-db_path = "/home/bitcoin/.4nk/storage.db"
-
-# URLs des services
-relay_urls = ["http://sdk-relay1.local:8091", "http://sdk-relay2.local:8093", "http://4nk-sdk-relay3:8095"]
-bitcoin_rpc_url = "http://bitcoin.local:38332"
-bitcoin_rpc_user = "bitcoin"
-bitcoin_rpc_password = "bitcoin"
-
-# Mode développement
-dev_mode = true
-debug_level = "info"
-
-# Limites de connexions
-max_connections = 100
-timeout = 30
-
-# Logging
-log_level = "info"
-log_file = "/home/bitcoin/logs/sdk_storage.log"
-
-# Stockage de fichiers
-file_storage_path = "/home/bitcoin/.4nk/files"
-max_file_size = "100MB"
-
-# Sécurité
-enable_tls = false
-enable_auth = false
diff --git a/tests/connectivity/check_http_endpoints.sh b/tests/connectivity/check_http_endpoints.sh
index 42506967..7318e1d4 100755
--- a/tests/connectivity/check_http_endpoints.sh
+++ b/tests/connectivity/check_http_endpoints.sh
@@ -26,6 +26,7 @@ for h in "${hostnames[@]}"; do
 done
 
 declare -A ports=(
+  [bitcoin.local]=38332
   [blindbit-oracle.local]=8000
   [sdk-storage.local]=8080
   [sdk-relay1.local]=8090