diff --git a/services/watcher/config/default.yaml b/services/watcher/config/default.yaml
index e0dd9e0b..8c4017a1 100644
--- a/services/watcher/config/default.yaml
+++ b/services/watcher/config/default.yaml
@@ -4,7 +4,7 @@ observation:
   confirmation: 60 # number of required block confirmations to create the commitment after observing an event
   validThreshold: 4320 # observations that have not been triggered won't be processed after this period (in blocks)
 cardano:
-  type: '' # options: koios, ogmios
+  type: '' # options: koios, ogmios, blockfrost
   initial:
     slot: -1 # initial block global slot, only used for ogmios
     hash: '' # initial block hash, only used for ogmios
@@ -17,6 +17,11 @@ cardano:
     host: '' # ogmios node host address
     port: 1337 # ogmios port
     useTls: false # connect to ogmios using https or not
+  blockfrost:
+    url: '' # url to connect to blockfrost
+    projectId: '' # blockfrost project Id
+    timeout: 10 # blockfrost request timeout
+    interval: 20 # blockfrost check timeout
 ergo:
   network: 'Mainnet' # ergo network type. testnet or mainnet
   type: 'node' # ergo scanner type. options: node, explorer
diff --git a/services/watcher/src/config/config.ts b/services/watcher/src/config/config.ts
index d272fa43..3a5fdccf 100644
--- a/services/watcher/src/config/config.ts
+++ b/services/watcher/src/config/config.ts
@@ -277,6 +277,13 @@ class CardanoConfig {
     interval: number;
     authToken?: string;
   };
+  blockfrost?: {
+    url?: string;
+    timeout: number;
+    initialHeight: number;
+    interval: number;
+    projectId: string;
+  };
 
   constructor(network: string) {
     this.type = config.get<string>('cardano.type');
@@ -297,6 +304,15 @@ class CardanoConfig {
           ? config.get<string>('cardano.koios.authToken')
           : undefined;
         this.koios = { url, initialHeight, interval, timeout, authToken };
+      } else if (this.type === Constants.BLOCK_FROST_TYPE) {
+        const url = config.has('cardano.blockfrost.url')
+          ? getRequiredString('cardano.blockfrost.url')
+          : undefined;
+        const interval = getRequiredNumber('cardano.blockfrost.interval');
+        const timeout = getRequiredNumber('cardano.blockfrost.timeout');
+        const initialHeight = getRequiredNumber('cardano.initial.height');
+        const projectId = config.get<string>('cardano.blockfrost.projectId');
+        this.blockfrost = { url, timeout, initialHeight, interval, projectId };
       } else {
         throw new Error(
           `Improperly configured. cardano configuration type is invalid available choices are '${Constants.OGMIOS_TYPE}', '${Constants.KOIOS_TYPE}'`
diff --git a/services/watcher/src/config/constants.ts b/services/watcher/src/config/constants.ts
index 480b52fd..0bb3cda0 100644
--- a/services/watcher/src/config/constants.ts
+++ b/services/watcher/src/config/constants.ts
@@ -4,6 +4,7 @@ export const COMMITMENT_EXTRACTOR_NAME = 'watcher-commitment-extractor';
 export const TRIGGER_EXTRACTOR_NAME = 'watcher-trigger-extractor';
 export const OGMIOS_TYPE = 'ogmios';
 export const KOIOS_TYPE = 'koios';
+export const BLOCK_FROST_TYPE = 'blockfrost';
 export const NODE_TYPE = 'node';
 export const EXPLORER_TYPE = 'explorer';
 export const ERGO_CHAIN_NAME = 'ergo';
diff --git a/services/watcher/src/jobs/initScanner.ts b/services/watcher/src/jobs/initScanner.ts
index 12df7808..231bdd90 100644
--- a/services/watcher/src/jobs/initScanner.ts
+++ b/services/watcher/src/jobs/initScanner.ts
@@ -1,4 +1,5 @@
 import {
+  CardanoBlockFrostScanner,
   CardanoKoiosScanner,
   CardanoOgmiosScanner,
   GeneralScanner,
@@ -35,6 +36,11 @@ export const scannerInit = () => {
         cardanoConfig.koios.interval,
         scanner.observationScanner as CardanoKoiosScanner
       ).then(() => null);
+    } else if (cardanoConfig.blockfrost) {
+      scanningJob(
+        cardanoConfig.blockfrost.interval,
+        scanner.observationScanner as CardanoBlockFrostScanner
+      ).then(() => null);
     } else {
       throw new Error(
         `The observing network [${config.networkWatcher}] is not supported`
diff --git a/services/watcher/src/utils/scanner.ts b/services/watcher/src/utils/scanner.ts
index 20c31657..bbfb94cd 100644
--- a/services/watcher/src/utils/scanner.ts
+++ b/services/watcher/src/utils/scanner.ts
@@ -3,11 +3,13 @@ import {
   CardanoKoiosScanner,
   CardanoOgmiosScanner,
   ErgoNetworkType,
+  CardanoBlockFrostScanner,
 } from '@rosen-bridge/scanner';
 import {
   ErgoObservationExtractor,
   CardanoKoiosObservationExtractor,
   CardanoOgmiosObservationExtractor,
+  CardanoBlockFrostObservationExtractor,
 } from '@rosen-bridge/observation-extractor';
 import {
   CommitmentExtractor,
@@ -55,7 +57,11 @@ const logger = WinstonLogger.getInstance().getLogger(import.meta.url);
 
 class CreateScanner {
   ergoScanner: ErgoScanner;
-  observationScanner: ErgoScanner | CardanoKoiosScanner | CardanoOgmiosScanner;
+  observationScanner:
+    | ErgoScanner
+    | CardanoKoiosScanner
+    | CardanoOgmiosScanner
+    | CardanoBlockFrostScanner;
 
   constructor() {
     this.createErgoScanner();
@@ -184,6 +190,21 @@ class CreateScanner {
           loggers.observationExtractorLogger
         );
         this.observationScanner.registerExtractor(observationExtractor);
+      } else if (cardanoConfig.blockfrost) {
+        this.observationScanner = new CardanoBlockFrostScanner({
+          dataSource,
+          initialHeight: cardanoConfig.blockfrost.initialHeight,
+          projectId: cardanoConfig.blockfrost.projectId,
+          timeout: cardanoConfig.blockfrost.timeout,
+          blockFrostUrl: cardanoConfig.blockfrost.url,
+        });
+        const observationExtractor = new CardanoBlockFrostObservationExtractor(
+          dataSource,
+          tokensConfig.tokens,
+          rosenConfig.lockAddress,
+          loggers.observationExtractorLogger
+        );
+        this.observationScanner.registerExtractor(observationExtractor);
       }
     }
   };