diff --git a/src/config/tdb/migrations/DBImportExport_IdentityGraph.gsql b/src/config/tdb/migrations/DBImportExport_IdentityGraph.gsql
index 8d132693..b55253dd 100644
--- a/src/config/tdb/migrations/DBImportExport_IdentityGraph.gsql
+++ b/src/config/tdb/migrations/DBImportExport_IdentityGraph.gsql
@@ -197,6 +197,37 @@ CREATE OR REPLACE QUERY owners_by_ids(SET<STRING> ids) FOR GRAPH IdentityGraph S
   END;
 }
 
+CREATE OR REPLACE QUERY query_keybase_connections(STRING p) FOR GRAPH SocialGraph SYNTAX V2 {
+  SetAccum<STRING> @@vlist;
+  SetAccum<VERTEX> @@existing_vlist;
+  @@vlist += p;
+  @@existing_vlist = to_vertex_set(@@vlist, "Identities"); // check existence of a vertex without slowing server
+  seed (ANY) = {@@existing_vlist};
+  ListAccum<STRING> @@keybase_platform = ["twitter", "keybase", "github", "reddit", "mstdn.jp", "lobste.rs", "hackernews"];
+  SetAccum<VERTEX> @@vertices;
+  OrAccum @visited = FALSE;
+
+  WHILE(seed.size()>0) LIMIT 2 DO
+    SetAccum<VERTEX> @@pool;
+    proof = SELECT v FROM seed-((Proof_Forward>|<Proof_Forward|Proof_Backward>|<Proof_Backward):pf)-Identities:v-((Proof_Forward>|<Proof_Forward|Proof_Backward>|<Proof_Backward):pw)-seed
+           WHERE v.@visited == FALSE AND @@keybase_platform.contains(v.platform) == TRUE
+           POST-ACCUM v.@visited = TRUE, @@vertices += v, @@pool += v;
+    seed (Identities) = {@@pool};
+  END;
+  ResultSet (Identities) = {@@vertices};
+  PRINT ResultSet as vertices;
+}
+
+CREATE OR REPLACE QUERY expired_time_by_ids(SET<STRING> ids) FOR GRAPH SocialGraph SYNTAX V2 {
+  MapAccum<VERTEX<Identities>, DATETIME> @@expired_time_map;
+  VertexSet (Identities) = SELECT s FROM Identities:s WHERE s.id IN ids
+                          ACCUM @@expired_time_map += (s -> to_datetime("1970-01-01 00:00:00"));
+
+  address = SELECT addr FROM VertexSet:domain-((<Hold_Identity):h)-Identities:addr
+            ACCUM @@expired_time_map += (domain -> h.expired_at);
+  PRINT @@expired_time_map as expired_time_map;
+}
+
 CREATE OR REPLACE QUERY neighbor_reverse_by_ids(SET<STRING> ids) FOR GRAPH IdentityGraph SYNTAX V2 {
   MapAccum<VERTEX<Identities>, BOOL> @@reverse_map;
   // Init.
diff --git a/src/upstream/keybase/mod.rs b/src/upstream/keybase/mod.rs
index bc42ce46..e110acf3 100644
--- a/src/upstream/keybase/mod.rs
+++ b/src/upstream/keybase/mod.rs
@@ -5,14 +5,16 @@ use crate::config::C;
 use crate::error::Error;
 use crate::tigergraph::create_identity_to_identity_proof_two_way_binding;
 use crate::tigergraph::edge::Proof;
-use crate::tigergraph::vertex::Identity;
+use crate::tigergraph::vertex::{Identity, IdentityRecord};
+use crate::tigergraph::{BaseResponse, Graph};
 use crate::upstream::{DataSource, Fetcher, Platform, ProofLevel, TargetProcessedList};
 use crate::util::{make_client, make_http_client, naive_now, parse_body, request_with_timeout};
 use async_trait::async_trait;
-use serde::Deserialize;
-
+use http::uri::InvalidUri;
 use hyper::{Body, Method};
+use serde::{Deserialize, Serialize};
 use std::str::FromStr;
+use tracing::error;
 use uuid::Uuid;
 
 use super::{DataFetcher, Target};
@@ -74,6 +76,18 @@ pub struct ErrorResponse {
     pub message: String,
 }
 
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct QueryKeybaseConnectionsResponse {
+    #[serde(flatten)]
+    base: BaseResponse,
+    results: Option<Vec<KeybaseConnections>>,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+struct KeybaseConnections {
+    vertices: Vec<IdentityRecord>,
+}
+
 #[derive(Default)]
 pub struct Keybase {}
 
@@ -86,7 +100,7 @@ impl Fetcher for Keybase {
 
         match target {
             Target::Identity(platform, identity) => {
-                fetch_connections_by_platform_identity(platform, identity).await
+                fake_fetch_connections_by_platform_identity(platform, identity).await
             }
             Target::NFT(_, _, _, _) => todo!(),
         }
@@ -97,6 +111,83 @@ impl Fetcher for Keybase {
     }
 }
 
+async fn fake_fetch_connections_by_platform_identity(
+    platform: &Platform,
+    identity: &str,
+) -> Result<TargetProcessedList, Error> {
+    let mut next_targets: TargetProcessedList = Vec::new();
+
+    let vid: String = format!("{},{}", platform.to_string(), identity.to_string());
+    let encoded_vid = urlencoding::encode(&vid);
+
+    let cli = make_http_client();
+    let uri: http::Uri = format!(
+        "{}/query/{}/query_keybase_connections?p={}",
+        C.tdb.host,
+        Graph::SocialGraph.to_string(),
+        encoded_vid,
+    )
+    .parse()
+    .map_err(|_err: InvalidUri| {
+        Error::ParamError(format!(
+            "QUERY query_keybase_connections?p={} Uri format Error | {}",
+            encoded_vid, _err
+        ))
+    })?;
+    let req = hyper::Request::builder()
+        .method(Method::GET)
+        .uri(uri)
+        .header("Authorization", Graph::SocialGraph.token())
+        .body(Body::empty())
+        .map_err(|_err| Error::ParamError(format!("ParamError Error | {}", _err)))?;
+
+    let mut resp = cli.request(req).await.map_err(|err| {
+        Error::ManualHttpClientError(format!(
+            "query query_keybase_connections?p={} error | Fail to request: {:?}",
+            encoded_vid,
+            err.to_string()
+        ))
+    })?;
+
+    let person_info = match parse_body::<QueryKeybaseConnectionsResponse>(&mut resp).await {
+        Ok(r) => {
+            if r.base.error {
+                let err_message = format!(
+                    "TigerGraph query query_keybase_connections error | Code: {:?}, Message: {:?}",
+                    r.base.code, r.base.message
+                );
+                error!(err_message);
+                return Err(Error::General(err_message, resp.status()));
+            }
+            let result = r
+                .results
+                .and_then(|results| results.first().cloned())
+                .map(|keybase_res| keybase_res.vertices)
+                .map_or(vec![], |res| {
+                    res.into_iter()
+                        .filter(|target| target.v_id() != vid)
+                        .collect()
+                });
+            result
+        }
+        Err(err) => {
+            let err_message = format!("TigerGraph query owned_by parse_body error: {:?}", err);
+            error!(err_message);
+            return Err(Error::General(err_message, resp.status()));
+        }
+    };
+
+    let _ = person_info.iter().map(|info| {
+        next_targets.push(Target::Identity(
+            info.platform.clone(),
+            info.identity.clone(),
+        ))
+    });
+
+    Ok(next_targets)
+}
+
+#[allow(dead_code)]
 async fn fetch_connections_by_platform_identity(
     platform: &Platform,
     identity: &str,