diff --git a/app/api/routes/_blockchain.py b/app/api/routes/_blockchain.py
index 54d5f21..1ec2e48 100644
--- a/app/api/routes/_blockchain.py
+++ b/app/api/routes/_blockchain.py
@@ -35,6 +35,9 @@ async def s_api_v1_blockchain_send_new_content_message(request):
         assert request.json, "No data provided"
         assert request.ctx.user, "No authorized user provided"
 
+        if not request.json['hashtags']:
+            request.json['hashtags'] = []
+
         for field_key, field_value in {
             'title': lambda x: isinstance(x, str),
             'authors': lambda x: isinstance(x, list),
@@ -44,7 +47,7 @@ async def s_api_v1_blockchain_send_new_content_message(request):
             'price': lambda x: (isinstance(x, str) and x.isdigit()),
             'allowResale': lambda x: isinstance(x, bool),
             'royaltyParams': lambda x: (isinstance(x, list) and valid_royalty_params(x)),
-
+            'hashtags': lambda x: isinstance(x, list) and all([isinstance(y, str) for y in x])
         }.items():
             assert field_key in request.json, f"No {field_key} provided"
             assert field_value(request.json[field_key]), f"Invalid {field_key} provided"
@@ -78,7 +81,8 @@ async def s_api_v1_blockchain_send_new_content_message(request):
             request.ctx.db_session,
             title=f"{', '.join(request.json['authors'])} - {request.json['title']}" if request.json['authors'] else request.json['title'],
             cover_url=f"{PROJECT_HOST}/api/v1/storage/{image_content_cid.serialize_v2()}" if image_content_cid else None,
-            authors=request.json['authors']
+            authors=request.json['authors'],
+            hashtags=request.json['hashtags']
         )
 
         royalties_dict = begin_dict(8)