diff --git a/config/config.json b/config/config.json
index b9a156aa5..8d0e9f689 100644
--- a/config/config.json
+++ b/config/config.json
@@ -158,7 +158,7 @@
                             "localEndpoint": "http::addr=localhost:10000",
                             "signalingServiceEndpoint": "",
                             "sendToSignalingService": false
-                        }                      
+                        }
                     }
                 }
             },
@@ -347,7 +347,7 @@
                             "localEndpoint": "http::addr=localhost:10000",
                             "signalingServiceEndpoint": "",
                             "sendToSignalingService": false
-                        }                      
+                        }
                     }
                 }
             },
@@ -536,7 +536,7 @@
                             "localEndpoint": "http::addr=localhost:10000",
                             "signalingServiceEndpoint": "",
                             "sendToSignalingService": false
-                        }                      
+                        }
                     }
                 }
             },
@@ -675,7 +675,7 @@
                         "package": "./blockchain/implementation/base/base-service.js",
 
                         "config": {
-                            "hubContractAddress": "0xAB4A4794Fc1F415C24807B947280aCa8dC492238",
+                            "hubContractAddress": "0x3e5dd82e7529F4e55AA64893D8f8879AE14BF87D",
                             "rpcEndpoints": ["https://sepolia.base.org"],
                             "operatorFee": 0
                         }
@@ -722,7 +722,7 @@
                             "localEndpoint": "http::addr=localhost:10000",
                             "signalingServiceEndpoint": "",
                             "sendToSignalingService": false
-                        }                      
+                        }
                     }
                 }
             },
@@ -738,7 +738,7 @@
                                 "base:84532": ["https://sepolia.base.org"]
                             },
                             "hubContractAddress": {
-                                "base:84532": "0xAB4A4794Fc1F415C24807B947280aCa8dC492238"
+                                "base:84532": "0x3e5dd82e7529F4e55AA64893D8f8879AE14BF87D"
                             }
                         }
                     }
@@ -931,8 +931,7 @@
                             "localEndpoint": "http::addr=localhost:10000",
                             "signalingServiceEndpoint": "",
                             "sendToSignalingService": false
-
-                        }                      
+                        }
                     }
                 }
             },
diff --git a/package-lock.json b/package-lock.json
index d697ba129..fbd691a67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "origintrail_node",
-    "version": "8.0.0-sigma.0",
+    "version": "8.0.0-gamma.3",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "origintrail_node",
-            "version": "8.0.0-sigma.0",
+            "version": "8.0.0-gamma.3",
             "license": "ISC",
             "dependencies": {
                 "@comunica/query-sparql": "^2.4.3",
diff --git a/package.json b/package.json
index a343a5859..be0a95d25 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "origintrail_node",
-    "version": "8.0.0-sigma.0",
+    "version": "8.0.0-gamma.3",
     "description": "OTNode V8",
     "main": "index.js",
     "type": "module",
diff --git a/src/commands/blockchain-event-listener/blockchain-event-listener-command.js b/src/commands/blockchain-event-listener/blockchain-event-listener-command.js
index c1fcee889..bbb8670d4 100644
--- a/src/commands/blockchain-event-listener/blockchain-event-listener-command.js
+++ b/src/commands/blockchain-event-listener/blockchain-event-listener-command.js
@@ -76,14 +76,15 @@ class BlockchainEventListenerCommand extends Command {
             await this.repositoryModuleManager.insertBlockchainEvents(newEvents, {
                 transaction: repositoryTransaction,
             });
-            await this.repositoryModuleManager.updateLastCheckedBlock(
-                blockchainId,
-                this.currentBlock,
-                Date.now(),
-                { transaction: repositoryTransaction },
-            );
         }
 
+        await this.repositoryModuleManager.updateLastCheckedBlock(
+            blockchainId,
+            this.currentBlock,
+            Date.now(),
+            { transaction: repositoryTransaction },
+        );
+
         const unprocessedEvents =
             await this.repositoryModuleManager.getAllUnprocessedBlockchainEvents(
                 blockchainId,
@@ -470,10 +471,8 @@ class BlockchainEventListenerCommand extends Command {
 
     async handleKnowledgeCollectionCreatedEvent(event) {
         const eventData = JSON.parse(event.data);
-
         const { id, publishOperationId, merkleRoot, chunksAmount } = eventData;
         const { blockchain, contractAddress } = event;
-
         const operationId = await this.operationIdService.generateOperationId(
             OPERATION_ID_STATUS.PUBLISH_FINALIZATION.PUBLISH_FINALIZATION_START,
             publishOperationId,
diff --git a/src/modules/blockchain-events/implementation/ot-ethers/ot-ethers.js b/src/modules/blockchain-events/implementation/ot-ethers/ot-ethers.js
index ca40db542..acf9c4f87 100644
--- a/src/modules/blockchain-events/implementation/ot-ethers/ot-ethers.js
+++ b/src/modules/blockchain-events/implementation/ot-ethers/ot-ethers.js
@@ -122,7 +122,6 @@ class OtEthers extends BlockchainEventsService {
         let fromBlock =
             currentBlock - lastCheckedBlock > maxBlocksToSync ? currentBlock : lastCheckedBlock + 1;
         const eventsMissed = currentBlock - lastCheckedBlock > maxBlocksToSync;
-
         if (eventsMissed) {
             return {
                 events: [],
@@ -168,12 +167,19 @@ class OtEthers extends BlockchainEventsService {
                     fromBlock + MAXIMUM_NUMBERS_OF_BLOCKS_TO_FETCH - 1,
                     currentBlock,
                 );
+
+                const fromBlockParam = ethers.BigNumber.from(fromBlock)
+                    .toHexString()
+                    .replace(/^0x0+/, '0x');
+                const toBlockParam = ethers.BigNumber.from(toBlock)
+                    .toHexString()
+                    .replace(/^0x0+/, '0x');
                 const provider = this._getRandomProvider(blockchain);
                 const newLogs = await provider.send('eth_getLogs', [
                     {
                         address: contractAddresses,
-                        fromBlock: ethers.BigNumber.from(fromBlock).toHexString(),
-                        toBlock: ethers.BigNumber.from(toBlock).toHexString(),
+                        fromBlock: fromBlockParam,
+                        toBlock: toBlockParam,
                         topics: [topics],
                     },
                 ]);
diff --git a/src/modules/telemetry/implementation/quest-telemetry.js b/src/modules/telemetry/implementation/quest-telemetry.js
index 13ae80192..13faf4fab 100644
--- a/src/modules/telemetry/implementation/quest-telemetry.js
+++ b/src/modules/telemetry/implementation/quest-telemetry.js
@@ -38,7 +38,7 @@ class QuestTelemetry {
             await this.localSender.flush();
             await this.localSender.close();
 
-            this.logger.info('Event telemetry successfully sent to local QuestDB');
+            // this.logger.info('Event telemetry successfully sent to local QuestDB');
         } catch (err) {
             this.logger.error(`Error sending telemetry to local QuestDB: ${err.message}`);
         }
diff --git a/src/service/validation-service.js b/src/service/validation-service.js
index e844987f9..743d49c4b 100644
--- a/src/service/validation-service.js
+++ b/src/service/validation-service.js
@@ -39,7 +39,7 @@ class ValidationService {
     }
 
     async validateDatasetRootOnBlockchain(knowledgeCollectionId, assertionId, blockchain) {
-        // call contract TO DO, dont return anything or return true
+        // TODO: call contract TO DO, dont return anything or return true
         return { knowledgeCollectionId, assertionId, blockchain };
     }