diff --git a/dht/dht-bucket.cpp b/dht/dht-bucket.cpp
index 4f9d75eb..8c1b4dda 100644
--- a/dht/dht-bucket.cpp
+++ b/dht/dht-bucket.cpp
@@ -66,7 +66,7 @@ td::uint32 DhtBucket::active_cnt() {
 }
 
 td::Status DhtBucket::add_full_node(DhtKeyId id, DhtNode newnode, td::actor::ActorId<adnl::Adnl> adnl,
-                                    adnl::AdnlNodeIdShort self_id) {
+                                    adnl::AdnlNodeIdShort self_id, td::int32 our_network_id) {
   for (auto &node : active_nodes_) {
     if (node && node->get_key() == id) {
       return node->update_value(std::move(newnode), adnl, self_id);
@@ -78,7 +78,8 @@ td::Status DhtBucket::add_full_node(DhtKeyId id, DhtNode newnode, td::actor::Act
     }
   }
 
-  TRY_RESULT_PREFIX(N, DhtRemoteNode::create(std::move(newnode), max_missed_pings_), "failed to add new node: ");
+  TRY_RESULT_PREFIX(N, DhtRemoteNode::create(std::move(newnode), max_missed_pings_, our_network_id),
+                    "failed to add new node: ");
 
   for (auto &node : backup_nodes_) {
     if (node == nullptr) {
diff --git a/dht/dht-bucket.hpp b/dht/dht-bucket.hpp
index 812f670d..9c5d82b1 100644
--- a/dht/dht-bucket.hpp
+++ b/dht/dht-bucket.hpp
@@ -51,7 +51,7 @@ class DhtBucket {
   }
   td::uint32 active_cnt();
   td::Status add_full_node(DhtKeyId id, DhtNode node, td::actor::ActorId<adnl::Adnl> adnl,
-                           adnl::AdnlNodeIdShort self_id);
+                           adnl::AdnlNodeIdShort self_id, td::int32 our_network_id);
   void check(bool client_only, td::actor::ActorId<adnl::Adnl> adnl, td::actor::ActorId<DhtMember> node,
              adnl::AdnlNodeIdShort src);
   void receive_ping(DhtKeyId id, DhtNode result, td::actor::ActorId<adnl::Adnl> adnl, adnl::AdnlNodeIdShort self_id);
diff --git a/dht/dht-in.hpp b/dht/dht-in.hpp
index fe106b0d..d81f9a71 100644
--- a/dht/dht-in.hpp
+++ b/dht/dht-in.hpp
@@ -46,6 +46,7 @@ class DhtMemberImpl : public DhtMember {
   DhtKeyId key_;
   td::uint32 k_;
   td::uint32 a_;
+  td::int32 network_id_{-1};
   td::uint32 max_cache_time_ = 60;
   td::uint32 max_cache_size_ = 100;
 
@@ -138,8 +139,17 @@ class DhtMemberImpl : public DhtMember {
 
  public:
   DhtMemberImpl(adnl::AdnlNodeIdShort id, std::string db_root, td::actor::ActorId<keyring::Keyring> keyring,
-                td::actor::ActorId<adnl::Adnl> adnl, td::uint32 k, td::uint32 a = 3, bool client_only = false)
-      : id_(id), key_{id_}, k_(k), a_(a), db_root_(db_root), keyring_(keyring), adnl_(adnl), client_only_(client_only) {
+                td::actor::ActorId<adnl::Adnl> adnl, td::int32 network_id, td::uint32 k, td::uint32 a = 3,
+                bool client_only = false)
+      : id_(id)
+      , key_{id_}
+      , k_(k)
+      , a_(a)
+      , network_id_(network_id)
+      , db_root_(db_root)
+      , keyring_(keyring)
+      , adnl_(adnl)
+      , client_only_(client_only) {
     for (size_t i = 0; i < 256; i++) {
       buckets_.emplace_back(k_);
     }
diff --git a/dht/dht-node.cpp b/dht/dht-node.cpp
index 2b366ab3..409e3f68 100644
--- a/dht/dht-node.cpp
+++ b/dht/dht-node.cpp
@@ -23,31 +23,46 @@ namespace ton {
 
 namespace dht {
 
-td::Status DhtNode::update(tl_object_ptr<ton_api::dht_node> obj) {
+td::Status DhtNode::update(tl_object_ptr<ton_api::dht_node> obj, td::int32 our_network_id) {
   if (version_ && obj->version_ <= version_) {
     return td::Status::Error(ErrorCode::notready, "too old version");
   }
-  auto signature = std::move(obj->signature_);
-  auto B = serialize_tl_object(obj, true);
-
+  td::BufferSlice signature;
+  td::int32 network_id = -1;
+  if (obj->signature_.size() == 64) {
+    signature = std::move(obj->signature_);
+  } else if (obj->signature_.size() == 64 + 4) {
+    signature = td::BufferSlice{obj->signature_.as_slice().remove_prefix(4)};
+    network_id = *(td::uint32 *)obj->signature_.as_slice().remove_suffix(64).data();
+  } else {
+    return td::Status::Error(ErrorCode::notready, "invalid length of signature");
+  }
+  if (network_id != our_network_id && network_id != -1 && our_network_id != -1) {
+    // Remove (network_id != -1 && our_network_id != -1) after network update
+    return td::Status::Error(ErrorCode::notready, PSTRING() << "wrong network id (expected " << our_network_id
+                                                            << ", found " << network_id << ")");
+  }
   TRY_RESULT(pub, adnl::AdnlNodeIdFull::create(obj->id_));
   TRY_RESULT(addr_list, adnl::AdnlAddressList::create(std::move(obj->addr_list_)));
-
   if (!addr_list.public_only()) {
     return td::Status::Error(ErrorCode::notready, "dht node must have only public addresses");
   }
   if (!addr_list.size()) {
     return td::Status::Error(ErrorCode::notready, "dht node must have >0 addresses");
   }
+  DhtNode new_node{std::move(pub), std::move(addr_list), obj->version_, network_id, std::move(signature)};
+  TRY_STATUS(new_node.check_signature());
 
-  TRY_RESULT(E, pub.pubkey().create_encryptor());
-  TRY_STATUS(E->check_signature(B.as_slice(), signature.as_slice()));
-
-  id_ = pub;
-  addr_list_ = addr_list;
-  version_ = obj->version_;
-  signature_ = td::SharedSlice(signature.as_slice());
+  *this = std::move(new_node);
+  return td::Status::OK();
+}
 
+td::Status DhtNode::check_signature() const {
+  TRY_RESULT(enc, id_.pubkey().create_encryptor());
+  auto node2 = clone();
+  node2.signature_ = {};
+  TRY_STATUS_PREFIX(enc->check_signature(serialize_tl_object(node2.tl(), true).as_slice(), signature_.as_slice()),
+                    "bad node signature: ");
   return td::Status::OK();
 }
 
diff --git a/dht/dht-node.hpp b/dht/dht-node.hpp
index 03f8d134..d5860f91 100644
--- a/dht/dht-node.hpp
+++ b/dht/dht-node.hpp
@@ -22,6 +22,8 @@
 #include "adnl/adnl-address-list.hpp"
 
 #include "dht-types.h"
+#include "auto/tl/ton_api.hpp"
+#include "td/utils/overloaded.h"
 
 namespace ton {
 
@@ -32,26 +34,26 @@ class DhtNode {
   adnl::AdnlNodeIdFull id_;
   adnl::AdnlAddressList addr_list_;
   td::int32 version_{0};
+  td::int32 network_id_{-1};
   td::SharedSlice signature_;
 
  public:
-  DhtNode() {
+  DhtNode() = default;
+  DhtNode(adnl::AdnlNodeIdFull id, adnl::AdnlAddressList addr_list, td::int32 version, td::int32 network_id, td::BufferSlice signature)
+      : id_(id), addr_list_(addr_list), version_(version), network_id_(network_id), signature_(signature.as_slice()) {
   }
-  DhtNode(adnl::AdnlNodeIdFull id, adnl::AdnlAddressList addr_list, td::int32 version, td::BufferSlice signature)
-      : id_(id), addr_list_(addr_list), version_(version), signature_(signature.as_slice()) {
+  DhtNode(adnl::AdnlNodeIdFull id, adnl::AdnlAddressList addr_list, td::int32 version, td::int32 network_id, td::SharedSlice signature)
+      : id_(id), addr_list_(addr_list), version_(version), network_id_(network_id), signature_(std::move(signature)) {
   }
-  DhtNode(adnl::AdnlNodeIdFull id, adnl::AdnlAddressList addr_list, td::int32 version, td::SharedSlice signature)
-      : id_(id), addr_list_(addr_list), version_(version), signature_(std::move(signature)) {
-  }
-  static td::Result<DhtNode> create(tl_object_ptr<ton_api::dht_node> obj) {
+  static td::Result<DhtNode> create(tl_object_ptr<ton_api::dht_node> obj, td::int32 our_network_id) {
     if (obj->version_ == 0) {
       return td::Status::Error(ErrorCode::protoviolation, "zero version");
     }
     DhtNode n;
-    TRY_STATUS(n.update(std::move(obj)));
+    TRY_STATUS(n.update(std::move(obj), our_network_id));
     return std::move(n);
   }
-  td::Status update(tl_object_ptr<ton_api::dht_node> obj);
+  td::Status update(tl_object_ptr<ton_api::dht_node> obj, td::int32 our_network_id);
   DhtKeyId get_key() const {
     CHECK(!id_.empty());
     return DhtKeyId{id_.compute_short_id()};
@@ -68,20 +70,30 @@ class DhtNode {
   }
 
   tl_object_ptr<ton_api::dht_node> tl() const {
-    return create_tl_object<ton_api::dht_node>(id_.tl(), addr_list_.tl(), version_, signature_.clone_as_buffer_slice());
+    td::BufferSlice signature_ext;
+    if (network_id_ == -1) {
+      signature_ext = signature_.clone_as_buffer_slice();
+    } else {
+      signature_ext = td::BufferSlice{4 + signature_.size()};
+      td::MutableSlice s = signature_ext.as_slice();
+      s.copy_from(td::Slice(reinterpret_cast<const td::uint8 *>(&network_id_), 4));
+      s.remove_prefix(4);
+      s.copy_from(signature_.as_slice());
+    }
+    return create_tl_object<ton_api::dht_node>(id_.tl(), addr_list_.tl(), version_, std::move(signature_ext));
   }
   DhtNode clone() const {
-    return DhtNode{id_, addr_list_, version_, signature_.clone()};
+    return DhtNode{id_, addr_list_, version_, network_id_, signature_.clone()};
   }
+  td::Status check_signature() const;
 };
 
 class DhtNodesList {
  public:
-  DhtNodesList() {
-  }
-  DhtNodesList(tl_object_ptr<ton_api::dht_nodes> R) {
+  DhtNodesList() = default;
+  DhtNodesList(tl_object_ptr<ton_api::dht_nodes> R, td::int32 our_network_id) {
     for (auto &n : R->nodes_) {
-      auto N = DhtNode::create(std::move(n));
+      auto N = DhtNode::create(std::move(n), our_network_id);
       if (N.is_ok()) {
         list_.emplace_back(N.move_as_ok());
       } else {
diff --git a/dht/dht-query.cpp b/dht/dht-query.cpp
index 08579415..bc61242d 100644
--- a/dht/dht-query.cpp
+++ b/dht/dht-query.cpp
@@ -20,14 +20,11 @@
 
 #include "td/utils/tl_storers.h"
 #include "td/utils/crypto.h"
-#include "td/utils/tl_parsers.h"
 #include "td/utils/Random.h"
 #include "td/utils/overloaded.h"
 
 #include "td/utils/format.h"
 
-#include "keys/encryptor.h"
-
 #include "auto/tl/ton_api.hpp"
 
 #include "dht-query.hpp"
@@ -123,7 +120,7 @@ void DhtQueryFindNodes::on_result(td::Result<td::BufferSlice> R, adnl::AdnlNodeI
     VLOG(DHT_WARNING) << this << ": incorrect result on dht.findNodes query from " << dst << ": "
                       << Res.move_as_error();
   } else {
-    add_nodes(DhtNodesList{Res.move_as_ok()});
+    add_nodes(DhtNodesList{Res.move_as_ok(), our_network_id()});
   }
   finish_query();
 }
@@ -185,27 +182,29 @@ void DhtQueryFindValue::on_result(td::Result<td::BufferSlice> R, adnl::AdnlNodeI
 
   auto A = Res.move_as_ok();
   ton_api::downcast_call(
-      *A.get(), td::overloaded(
-                    [&](ton_api::dht_valueFound &v) {
-                      auto valueR = DhtValue::create(std::move(v.value_), true);
-                      if (valueR.is_error()) {
-                        VLOG(DHT_WARNING) << this << ": received incorrect dht answer on find value query from " << dst
-                                          << ": " << valueR.move_as_error();
-                        return;
-                      }
-                      auto value = valueR.move_as_ok();
-                      if (value.key_id() != key_) {
-                        VLOG(DHT_WARNING) << this << ": received value for bad key on find value query from " << dst;
-                        return;
-                      }
-                      if (!value.check_is_acceptable()) {
-                        send_get_nodes = true;
-                        return;
-                      }
-                      promise_.set_value(std::move(value));
-                      need_stop = true;
-                    },
-                    [&](ton_api::dht_valueNotFound &v) { add_nodes(DhtNodesList{std::move(v.nodes_)}); }));
+      *A, td::overloaded(
+              [&](ton_api::dht_valueFound &v) {
+                auto valueR = DhtValue::create(std::move(v.value_), true);
+                if (valueR.is_error()) {
+                  VLOG(DHT_WARNING) << this << ": received incorrect dht answer on find value query from " << dst
+                                    << ": " << valueR.move_as_error();
+                  return;
+                }
+                auto value = valueR.move_as_ok();
+                if (value.key_id() != key_) {
+                  VLOG(DHT_WARNING) << this << ": received value for bad key on find value query from " << dst;
+                  return;
+                }
+                if (!value.check_is_acceptable()) {
+                  send_get_nodes = true;
+                  return;
+                }
+                promise_.set_value(std::move(value));
+                need_stop = true;
+              },
+              [&](ton_api::dht_valueNotFound &v) {
+                add_nodes(DhtNodesList{std::move(v.nodes_), our_network_id()});
+              }));
   if (need_stop) {
     stop();
   } else if (send_get_nodes) {
@@ -229,7 +228,7 @@ void DhtQueryFindValue::on_result_nodes(td::Result<td::BufferSlice> R, adnl::Adn
     return;
   }
   auto r = Res.move_as_ok();
-  add_nodes(DhtNodesList{create_tl_object<ton_api::dht_nodes>(std::move(r->nodes_))});
+  add_nodes(DhtNodesList{create_tl_object<ton_api::dht_nodes>(std::move(r->nodes_)), our_network_id()});
   finish_query();
 }
 
@@ -238,12 +237,13 @@ void DhtQueryFindValue::finish(DhtNodesList list) {
 }
 
 DhtQueryStore::DhtQueryStore(DhtValue key_value, DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src,
-                             DhtNodesList list, td::uint32 k, td::uint32 a, DhtNode self, bool client_only,
-                             td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
+                             DhtNodesList list, td::uint32 k, td::uint32 a, td::int32 our_network_id, DhtNode self,
+                             bool client_only, td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
                              td::Promise<td::Unit> promise)
     : print_id_(print_id)
     , k_(k)
     , a_(a)
+    , our_network_id_(our_network_id)
     , promise_(std::move(promise))
     , value_(std::move(key_value))
     , list_(std::move(list))
@@ -261,7 +261,8 @@ void DhtQueryStore::start_up() {
 
   auto key = value_.key_id();
   auto A = td::actor::create_actor<DhtQueryFindNodes>("FindNodesQuery", key, print_id_, src_, std::move(list_), k_, a_,
-                                                      self_.clone(), client_only_, node_, adnl_, std::move(P));
+                                                      our_network_id_, self_.clone(), client_only_, node_, adnl_,
+                                                      std::move(P));
   A.release();
 }
 
@@ -323,12 +324,13 @@ void DhtQueryStore::store_ready(td::Result<td::BufferSlice> R) {
 
 DhtQueryRegisterReverseConnection::DhtQueryRegisterReverseConnection(
     DhtKeyId key_id, adnl::AdnlNodeIdFull client, td::uint32 ttl, td::BufferSlice signature,
-    DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list, td::uint32 k, td::uint32 a, DhtNode self,
-    bool client_only, td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
-    td::Promise<td::Unit> promise)
+    DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list, td::uint32 k, td::uint32 a,
+    td::int32 our_network_id, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
+    td::actor::ActorId<adnl::Adnl> adnl, td::Promise<td::Unit> promise)
     : print_id_(print_id)
     , k_(k)
     , a_(a)
+    , our_network_id_(our_network_id)
     , promise_(std::move(promise))
     , key_id_(key_id)
     , list_(std::move(list))
@@ -346,7 +348,8 @@ void DhtQueryRegisterReverseConnection::start_up() {
   });
 
   auto A = td::actor::create_actor<DhtQueryFindNodes>("FindNodesQuery", key_id_, print_id_, src_, std::move(list_), k_,
-                                                      a_, self_.clone(), client_only_, node_, adnl_, std::move(P));
+                                                      a_, our_network_id_, self_.clone(), client_only_, node_, adnl_,
+                                                      std::move(P));
   A.release();
 }
 
@@ -437,7 +440,7 @@ void DhtQueryRequestReversePing::on_result(td::Result<td::BufferSlice> R, adnl::
                                    stop();
                                  },
                                  [&](ton_api::dht_clientNotFound &v) {
-                                   add_nodes(DhtNodesList{std::move(v.nodes_)});
+                                   add_nodes(DhtNodesList{std::move(v.nodes_), our_network_id()});
                                    finish_query();
                                  }));
 }
diff --git a/dht/dht-query.hpp b/dht/dht-query.hpp
index 491bf61d..cf085e25 100644
--- a/dht/dht-query.hpp
+++ b/dht/dht-query.hpp
@@ -45,7 +45,7 @@ class DhtQuery : public td::actor::Actor {
 
  public:
   DhtQuery(DhtKeyId key, DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list, td::uint32 k,
-           td::uint32 a, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
+           td::uint32 a, td::int32 our_network_id, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
            td::actor::ActorId<adnl::Adnl> adnl)
       : key_(key)
       , self_(std::move(self))
@@ -54,6 +54,7 @@ class DhtQuery : public td::actor::Actor {
       , src_(src)
       , k_(k)
       , a_(a)
+      , our_network_id_(our_network_id)
       , node_(node)
       , adnl_(adnl) {
     add_nodes(std::move(list));
@@ -77,6 +78,9 @@ class DhtQuery : public td::actor::Actor {
   td::uint32 get_k() const {
     return k_;
   }
+  td::int32 our_network_id() const {
+    return our_network_id_;
+  }
   void start_up() override {
     send_queries();
   }
@@ -91,6 +95,7 @@ class DhtQuery : public td::actor::Actor {
   std::set<DhtKeyId> pending_ids_;
   td::uint32 k_;
   td::uint32 a_;
+  td::int32 our_network_id_;
   td::actor::ActorId<DhtMember> node_;
   td::uint32 active_queries_ = 0;
 
@@ -104,9 +109,10 @@ class DhtQueryFindNodes : public DhtQuery {
 
  public:
   DhtQueryFindNodes(DhtKeyId key, DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list,
-                    td::uint32 k, td::uint32 a, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
-                    td::actor::ActorId<adnl::Adnl> adnl, td::Promise<DhtNodesList> promise)
-      : DhtQuery(key, print_id, src, std::move(list), k, a, std::move(self), client_only, node, adnl)
+                    td::uint32 k, td::uint32 a, td::int32 our_network_id, DhtNode self, bool client_only,
+                    td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
+                    td::Promise<DhtNodesList> promise)
+      : DhtQuery(key, print_id, src, std::move(list), k, a, our_network_id, std::move(self), client_only, node, adnl)
       , promise_(std::move(promise)) {
   }
   void send_one_query(adnl::AdnlNodeIdShort id) override;
@@ -123,9 +129,10 @@ class DhtQueryFindValue : public DhtQuery {
 
  public:
   DhtQueryFindValue(DhtKeyId key, DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list,
-                    td::uint32 k, td::uint32 a, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
-                    td::actor::ActorId<adnl::Adnl> adnl, td::Promise<DhtValue> promise)
-      : DhtQuery(key, print_id, src, std::move(list), k, a, std::move(self), client_only, node, adnl)
+                    td::uint32 k, td::uint32 a, td::int32 our_network_id, DhtNode self, bool client_only,
+                    td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
+                    td::Promise<DhtValue> promise)
+      : DhtQuery(key, print_id, src, std::move(list), k, a, our_network_id, std::move(self), client_only, node, adnl)
       , promise_(std::move(promise)) {
   }
   void send_one_query(adnl::AdnlNodeIdShort id) override;
@@ -143,6 +150,7 @@ class DhtQueryStore : public td::actor::Actor {
   DhtMember::PrintId print_id_;
   td::uint32 k_;
   td::uint32 a_;
+  td::int32 our_network_id_;
   td::Promise<td::Unit> promise_;
   td::actor::ActorId<DhtMember> node_;
   td::actor::ActorId<adnl::Adnl> adnl_;
@@ -157,7 +165,7 @@ class DhtQueryStore : public td::actor::Actor {
 
  public:
   DhtQueryStore(DhtValue key_value, DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list,
-                td::uint32 k, td::uint32 a, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
+                td::uint32 k, td::uint32 a, td::int32 our_network_id, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
                 td::actor::ActorId<adnl::Adnl> adnl, td::Promise<td::Unit> promise);
   void send_stores(td::Result<DhtNodesList> res);
   void store_ready(td::Result<td::BufferSlice> res);
@@ -172,6 +180,7 @@ class DhtQueryRegisterReverseConnection : public td::actor::Actor {
   DhtMember::PrintId print_id_;
   td::uint32 k_;
   td::uint32 a_;
+  td::int32 our_network_id_;
   td::Promise<td::Unit> promise_;
   td::actor::ActorId<DhtMember> node_;
   td::actor::ActorId<adnl::Adnl> adnl_;
@@ -188,9 +197,9 @@ class DhtQueryRegisterReverseConnection : public td::actor::Actor {
  public:
   DhtQueryRegisterReverseConnection(DhtKeyId key_id, adnl::AdnlNodeIdFull client, td::uint32 ttl,
                                     td::BufferSlice signature, DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src,
-                                    DhtNodesList list, td::uint32 k, td::uint32 a, DhtNode self, bool client_only,
-                                    td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
-                                    td::Promise<td::Unit> promise);
+                                    DhtNodesList list, td::uint32 k, td::uint32 a, td::int32 our_network_id,
+                                    DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
+                                    td::actor::ActorId<adnl::Adnl> adnl, td::Promise<td::Unit> promise);
   void send_queries(td::Result<DhtNodesList> R);
   void ready(td::Result<td::BufferSlice> R);
   void start_up() override;
@@ -207,10 +216,11 @@ class DhtQueryRequestReversePing : public DhtQuery {
  public:
   DhtQueryRequestReversePing(adnl::AdnlNodeIdShort client, adnl::AdnlNode target, td::BufferSlice signature,
                              DhtMember::PrintId print_id, adnl::AdnlNodeIdShort src, DhtNodesList list, td::uint32 k,
-                             td::uint32 a, DhtNode self, bool client_only, td::actor::ActorId<DhtMember> node,
-                             td::actor::ActorId<adnl::Adnl> adnl, td::Promise<td::Unit> promise)
+                             td::uint32 a, td::int32 our_network_id, DhtNode self, bool client_only,
+                             td::actor::ActorId<DhtMember> node, td::actor::ActorId<adnl::Adnl> adnl,
+                             td::Promise<td::Unit> promise)
       : DhtQuery(DhtMember::get_reverse_connection_key(client).compute_key_id(), print_id, src, std::move(list), k, a,
-                 std::move(self), client_only, node, adnl)
+                 our_network_id, std::move(self), client_only, node, adnl)
       , promise_(std::move(promise))
       , query_(create_serialize_tl_object<ton_api::dht_requestReversePing>(target.tl(), std::move(signature),
                                                                            client.bits256_value(), k)) {
diff --git a/dht/dht-remote-node.cpp b/dht/dht-remote-node.cpp
index f1ea2197..e010bbdc 100644
--- a/dht/dht-remote-node.cpp
+++ b/dht/dht-remote-node.cpp
@@ -20,13 +20,10 @@
 
 #include "td/utils/tl_storers.h"
 #include "td/utils/crypto.h"
-#include "td/utils/tl_parsers.h"
 #include "td/utils/Random.h"
 
 #include "td/utils/format.h"
 
-#include "keys/encryptor.h"
-
 #include "auto/tl/ton_api.hpp"
 
 #include "dht-remote-node.hpp"
@@ -51,12 +48,7 @@ td::Status DhtRemoteNode::update_value(DhtNode node, td::actor::ActorId<adnl::Ad
   if (node.version() <= node_.version()) {
     return td::Status::OK();
   }
-
-  TRY_RESULT(enc, node.adnl_id().pubkey().create_encryptor());
-  auto tl = node.tl();
-  auto sig = std::move(tl->signature_);
-  TRY_STATUS_PREFIX(enc->check_signature(serialize_tl_object(tl, true).as_slice(), sig.as_slice()),
-                    "bad node signature: ");
+  TRY_STATUS(node.check_signature());
 
   node_ = std::move(node);
   td::actor::send_closure(adnl, &adnl::Adnl::add_peer, self_id, node_.adnl_id(), node_.addr_list());
@@ -75,13 +67,13 @@ void DhtRemoteNode::send_ping(bool client_only, td::actor::ActorId<adnl::Adnl> a
 
   td::actor::send_closure(adnl, &adnl::Adnl::add_peer, src, node_.adnl_id(), node_.addr_list());
 
-  auto P = td::PromiseCreator::lambda([key = id_, id = node_.adnl_id().compute_short_id(), client_only, node, src,
-                                       adnl](td::Result<DhtNode> R) mutable {
+  auto P = td::PromiseCreator::lambda([key = id_, id = node_.adnl_id().compute_short_id(), client_only, node, src, adnl,
+                                       our_network_id = our_network_id_](td::Result<DhtNode> R) mutable {
     if (R.is_error()) {
       LOG(ERROR) << "[dht]: failed to get self node";
       return;
     }
-    auto P = td::PromiseCreator::lambda([key, node, adnl](td::Result<td::BufferSlice> R) {
+    auto P = td::PromiseCreator::lambda([key, node, adnl, our_network_id](td::Result<td::BufferSlice> R) {
       if (R.is_error()) {
         VLOG(DHT_INFO) << "[dht]: received error for query to " << key << ": " << R.move_as_error();
         return;
@@ -89,7 +81,7 @@ void DhtRemoteNode::send_ping(bool client_only, td::actor::ActorId<adnl::Adnl> a
       auto F = fetch_tl_object<ton_api::dht_node>(R.move_as_ok(), true);
 
       if (F.is_ok()) {
-        auto N = DhtNode::create(F.move_as_ok());
+        auto N = DhtNode::create(F.move_as_ok(), our_network_id);
         if (N.is_ok()) {
           td::actor::send_closure(node, &DhtMember::receive_ping, key, N.move_as_ok());
         } else {
@@ -123,7 +115,8 @@ adnl::AdnlNodeIdFull DhtRemoteNode::get_full_id() const {
   return node_.adnl_id();
 }
 
-td::Result<std::unique_ptr<DhtRemoteNode>> DhtRemoteNode::create(DhtNode node, td::uint32 max_missed_pings) {
+td::Result<std::unique_ptr<DhtRemoteNode>> DhtRemoteNode::create(DhtNode node, td::uint32 max_missed_pings,
+                                                                 td::int32 our_network_id) {
   TRY_RESULT(enc, node.adnl_id().pubkey().create_encryptor());
   auto tl = node.tl();
   auto sig = std::move(tl->signature_);
@@ -131,7 +124,7 @@ td::Result<std::unique_ptr<DhtRemoteNode>> DhtRemoteNode::create(DhtNode node, t
   TRY_STATUS_PREFIX(enc->check_signature(serialize_tl_object(tl, true).as_slice(), sig.as_slice()),
                     "bad node signature: ");
 
-  return std::make_unique<DhtRemoteNode>(std::move(node), max_missed_pings);
+  return std::make_unique<DhtRemoteNode>(std::move(node), max_missed_pings, our_network_id);
 }
 
 }  // namespace dht
diff --git a/dht/dht-remote-node.hpp b/dht/dht-remote-node.hpp
index e65c0429..f0a67e32 100644
--- a/dht/dht-remote-node.hpp
+++ b/dht/dht-remote-node.hpp
@@ -40,6 +40,7 @@ class DhtRemoteNode {
   DhtNode node_;
 
   td::uint32 max_missed_pings_;
+  td::int32 our_network_id_;
   td::uint32 missed_pings_ = 0;
   double last_ping_at_ = 0;
   double ready_from_ = 0;
@@ -47,12 +48,13 @@ class DhtRemoteNode {
   td::int32 version_;
 
  public:
-  DhtRemoteNode(DhtNode node, td::uint32 max_missed_pings)
-      : node_(std::move(node)), max_missed_pings_(max_missed_pings) {
+  DhtRemoteNode(DhtNode node, td::uint32 max_missed_pings, td::int32 our_network_id)
+      : node_(std::move(node)), max_missed_pings_(max_missed_pings), our_network_id_(our_network_id) {
     failed_from_ = td::Time::now_cached();
     id_ = node_.get_key();
   }
-  static td::Result<std::unique_ptr<DhtRemoteNode>> create(DhtNode node, td::uint32 max_missed_pings);
+  static td::Result<std::unique_ptr<DhtRemoteNode>> create(DhtNode node, td::uint32 max_missed_pings,
+                                                           td::int32 our_network_id);
   DhtNode get_node() const {
     return node_.clone();
   }
diff --git a/dht/dht.cpp b/dht/dht.cpp
index e5a310e9..a6367a35 100644
--- a/dht/dht.cpp
+++ b/dht/dht.cpp
@@ -20,7 +20,6 @@
 
 #include "td/utils/tl_storers.h"
 #include "td/utils/crypto.h"
-#include "td/utils/tl_parsers.h"
 #include "td/utils/Random.h"
 #include "td/utils/base64.h"
 
@@ -28,9 +27,6 @@
 
 #include "td/db/RocksDb.h"
 
-#include "keys/encryptor.h"
-#include "adnl/utils.hpp"
-
 #include "auto/tl/ton_api.hpp"
 
 #include "dht.h"
@@ -44,10 +40,9 @@ namespace dht {
 
 td::actor::ActorOwn<DhtMember> DhtMember::create(adnl::AdnlNodeIdShort id, std::string db_root,
                                                  td::actor::ActorId<keyring::Keyring> keyring,
-                                                 td::actor::ActorId<adnl::Adnl> adnl, td::uint32 k, td::uint32 a,
-                                                 bool client_only) {
-  return td::actor::ActorOwn<DhtMember>(
-      td::actor::create_actor<DhtMemberImpl>("dht", id, db_root, keyring, adnl, k, a, client_only));
+                                                 td::actor::ActorId<adnl::Adnl> adnl, td::int32 network_id,
+                                                 td::uint32 k, td::uint32 a, bool client_only) {
+  return td::actor::create_actor<DhtMemberImpl>("dht", id, db_root, keyring, adnl, network_id, k, a, client_only);
 }
 
 td::Result<td::actor::ActorOwn<Dht>> Dht::create(adnl::AdnlNodeIdShort id, std::string db_root,
@@ -57,7 +52,7 @@ td::Result<td::actor::ActorOwn<Dht>> Dht::create(adnl::AdnlNodeIdShort id, std::
   CHECK(conf->get_k() > 0);
   CHECK(conf->get_a() > 0);
 
-  auto D = DhtMember::create(id, db_root, keyring, adnl, conf->get_k(), conf->get_a());
+  auto D = DhtMember::create(id, db_root, keyring, adnl, conf->get_network_id(), conf->get_k(), conf->get_a());
   auto &nodes = conf->nodes();
 
   for (auto &node : nodes.list()) {
@@ -74,7 +69,7 @@ td::Result<td::actor::ActorOwn<Dht>> Dht::create_client(adnl::AdnlNodeIdShort id
   CHECK(conf->get_k() > 0);
   CHECK(conf->get_a() > 0);
 
-  auto D = DhtMember::create(id, db_root, keyring, adnl, conf->get_k(), conf->get_a(), true);
+  auto D = DhtMember::create(id, db_root, keyring, adnl, conf->get_network_id(), conf->get_k(), conf->get_a(), true);
   auto &nodes = conf->nodes();
 
   for (auto &node : nodes.list()) {
@@ -115,12 +110,12 @@ void DhtMemberImpl::start_up() {
         V.ensure();
         auto nodes = std::move(V.move_as_ok()->nodes_);
         auto s = nodes->nodes_.size();
-        DhtNodesList list{std::move(nodes)};
+        DhtNodesList list{std::move(nodes), network_id_};
         CHECK(list.size() == s);
         auto &B = buckets_[bit];
         for (auto &node : list.list()) {
           auto key = node.get_key();
-          B.add_full_node(key, std::move(node), adnl_, id_);
+          B.add_full_node(key, std::move(node), adnl_, id_, network_id_);
         }
       }
     }
@@ -368,7 +363,7 @@ void DhtMemberImpl::receive_query(adnl::AdnlNodeIdShort src, td::BufferSlice dat
   {
     auto R = fetch_tl_prefix<ton_api::dht_query>(data, true);
     if (R.is_ok()) {
-      auto N = DhtNode::create(std::move(R.move_as_ok()->node_));
+      auto N = DhtNode::create(std::move(R.move_as_ok()->node_), network_id_);
       if (N.is_ok()) {
         auto node = N.move_as_ok();
         auto key = node.get_key();
@@ -396,7 +391,7 @@ void DhtMemberImpl::receive_query(adnl::AdnlNodeIdShort src, td::BufferSlice dat
 
   VLOG(DHT_EXTRA_DEBUG) << this << ": query to DHT from " << src << ": " << ton_api::to_string(Q);
 
-  ton_api::downcast_call(*Q.get(), [&](auto &object) { this->process_query(src, object, std::move(promise)); });
+  ton_api::downcast_call(*Q, [&](auto &object) { this->process_query(src, object, std::move(promise)); });
 }
 
 void DhtMemberImpl::add_full_node(DhtKeyId key, DhtNode node) {
@@ -411,7 +406,7 @@ void DhtMemberImpl::add_full_node(DhtKeyId key, DhtNode node) {
 #endif
   if (bit < 256) {
     CHECK(key.get_bit(bit) != key_.get_bit(bit));
-    buckets_[bit].add_full_node(key, std::move(node), adnl_, id_);
+    buckets_[bit].add_full_node(key, std::move(node), adnl_, id_, network_id_);
   } else {
     CHECK(key == key_);
   }
@@ -467,10 +462,11 @@ void DhtMemberImpl::set_value(DhtValue value, td::Promise<td::Unit> promise) {
 
 void DhtMemberImpl::get_value_in(DhtKeyId key, td::Promise<DhtValue> result) {
   auto P = td::PromiseCreator::lambda([key, promise = std::move(result), SelfId = actor_id(this), print_id = print_id(),
-                                       adnl = adnl_, list = get_nearest_nodes(key, k_), k = k_, a = a_, id = id_,
+                                       adnl = adnl_, list = get_nearest_nodes(key, k_), k = k_, a = a_,
+                                       network_id = network_id_, id = id_,
                                        client_only = client_only_](td::Result<DhtNode> R) mutable {
     R.ensure();
-    td::actor::create_actor<DhtQueryFindValue>("FindValueQuery", key, print_id, id, std::move(list), k, a,
+    td::actor::create_actor<DhtQueryFindValue>("FindValueQuery", key, print_id, id, std::move(list), k, a, network_id,
                                                R.move_as_ok(), client_only, SelfId, adnl, std::move(promise))
         .release();
   });
@@ -495,7 +491,7 @@ void DhtMemberImpl::register_reverse_connection(adnl::AdnlNodeIdFull client, td:
                                                       td::actor::create_actor<DhtQueryRegisterReverseConnection>(
                                                           "RegisterReverseQuery", key_id, std::move(client), ttl,
                                                           std::move(signature), print_id, id_, std::move(list), k_, a_,
-                                                          R.move_as_ok(), client_only_, SelfId, adnl_,
+                                                          network_id_, R.move_as_ok(), client_only_, SelfId, adnl_,
                                                           std::move(promise))
                                                           .release();
                                                     });
@@ -535,9 +531,9 @@ void DhtMemberImpl::request_reverse_ping_cont(adnl::AdnlNode target, td::BufferS
                  SelfId = actor_id(this), print_id = print_id(), list = get_nearest_nodes(key_id, k_),
                  client_only = client_only_](td::Result<DhtNode> R) mutable {
     R.ensure();
-    td::actor::create_actor<DhtQueryRequestReversePing>("RequestReversePing", client, std::move(target),
-                                                        std::move(signature), print_id, id_, std::move(list), k_, a_,
-                                                        R.move_as_ok(), client_only, SelfId, adnl_, std::move(promise))
+    td::actor::create_actor<DhtQueryRequestReversePing>(
+        "RequestReversePing", client, std::move(target), std::move(signature), print_id, id_, std::move(list), k_, a_,
+        network_id_, R.move_as_ok(), client_only, SelfId, adnl_, std::move(promise))
         .release();
   });
 }
@@ -652,9 +648,10 @@ void DhtMemberImpl::check() {
     DhtKeyId key{x};
     auto P = td::PromiseCreator::lambda([key, promise = std::move(promise), SelfId = actor_id(this),
                                          print_id = print_id(), adnl = adnl_, list = get_nearest_nodes(key, k_), k = k_,
-                                         a = a_, id = id_, client_only = client_only_](td::Result<DhtNode> R) mutable {
+                                         a = a_, network_id = network_id_, id = id_,
+                                         client_only = client_only_](td::Result<DhtNode> R) mutable {
       R.ensure();
-      td::actor::create_actor<DhtQueryFindNodes>("FindNodesQuery", key, print_id, id, std::move(list), k, a,
+      td::actor::create_actor<DhtQueryFindNodes>("FindNodesQuery", key, print_id, id, std::move(list), k, a, network_id,
                                                  R.move_as_ok(), client_only, SelfId, adnl, std::move(promise))
           .release();
     });
@@ -675,63 +672,71 @@ void DhtMemberImpl::send_store(DhtValue value, td::Promise<td::Unit> promise) {
   value.check().ensure();
   auto key_id = value.key_id();
 
-  auto P =
-      td::PromiseCreator::lambda([value = std::move(value), print_id = print_id(), id = id_, client_only = client_only_,
-                                  list = get_nearest_nodes(key_id, k_), k = k_, a = a_, SelfId = actor_id(this),
-                                  adnl = adnl_, promise = std::move(promise)](td::Result<DhtNode> R) mutable {
-        R.ensure();
-        td::actor::create_actor<DhtQueryStore>("StoreQuery", std::move(value), print_id, id, std::move(list), k, a,
-                                               R.move_as_ok(), client_only, SelfId, adnl, std::move(promise))
-            .release();
-      });
+  auto P = td::PromiseCreator::lambda([value = std::move(value), print_id = print_id(), id = id_,
+                                       client_only = client_only_, list = get_nearest_nodes(key_id, k_), k = k_, a = a_,
+                                       network_id = network_id_, SelfId = actor_id(this), adnl = adnl_,
+                                       promise = std::move(promise)](td::Result<DhtNode> R) mutable {
+    R.ensure();
+    td::actor::create_actor<DhtQueryStore>("StoreQuery", std::move(value), print_id, id, std::move(list), k, a,
+                                           network_id, R.move_as_ok(), client_only, SelfId, adnl, std::move(promise))
+        .release();
+  });
 
   get_self_node(std::move(P));
 }
 
 void DhtMemberImpl::get_self_node(td::Promise<DhtNode> promise) {
-  auto P =
-      td::PromiseCreator::lambda([promise = std::move(promise), print_id = print_id(), id = id_, keyring = keyring_,
-                                  client_only = client_only_](td::Result<adnl::AdnlNode> R) mutable {
-        R.ensure();
-        auto node = R.move_as_ok();
-        auto version = static_cast<td::int32>(td::Clocks::system());
-        auto B = create_serialize_tl_object<ton_api::dht_node>(node.pub_id().tl(), node.addr_list().tl(), version,
-                                                               td::BufferSlice());
-        if (!client_only) {
-          CHECK(node.addr_list().size() > 0);
-        }
-        auto P = td::PromiseCreator::lambda(
-            [promise = std::move(promise), node = std::move(node), version](td::Result<td::BufferSlice> R) mutable {
-              R.ensure();
-              DhtNode n{node.pub_id(), node.addr_list(), version, R.move_as_ok()};
-              promise.set_result(std::move(n));
-            });
-        td::actor::send_closure(keyring, &keyring::Keyring::sign_message, id.pubkey_hash(), std::move(B), std::move(P));
-      });
+  auto P = td::PromiseCreator::lambda([promise = std::move(promise), print_id = print_id(), id = id_,
+                                       keyring = keyring_, client_only = client_only_,
+                                       network_id = network_id_](td::Result<adnl::AdnlNode> R) mutable {
+    R.ensure();
+    auto node = R.move_as_ok();
+    auto version = static_cast<td::int32>(td::Clocks::system());
+    td::BufferSlice B = serialize_tl_object(
+        DhtNode{node.pub_id(), node.addr_list(), version, network_id, td::BufferSlice{}}.tl(), true);
+    if (!client_only) {
+      CHECK(node.addr_list().size() > 0);
+    }
+    auto P = td::PromiseCreator::lambda([promise = std::move(promise), node = std::move(node), version,
+                                         network_id](td::Result<td::BufferSlice> R) mutable {
+      R.ensure();
+      DhtNode n{node.pub_id(), node.addr_list(), version, network_id, R.move_as_ok()};
+      promise.set_result(std::move(n));
+    });
+    td::actor::send_closure(keyring, &keyring::Keyring::sign_message, id.pubkey_hash(), std::move(B), std::move(P));
+  });
   td::actor::send_closure(adnl_, &adnl::Adnl::get_self_node, id_, std::move(P));
 }
 
-td::Result<std::shared_ptr<DhtGlobalConfig>> Dht::create_global_config(tl_object_ptr<ton_api::dht_config_global> conf) {
-  td::uint32 k;
-  if (conf->k_ == 0) {
+td::Result<std::shared_ptr<DhtGlobalConfig>> Dht::create_global_config(tl_object_ptr<ton_api::dht_config_Global> conf) {
+  td::uint32 k = 0, a = 0;
+  td::int32 network_id = -1;
+  tl_object_ptr<ton_api::dht_nodes> static_nodes;
+  ton_api::downcast_call(*conf, td::overloaded(
+                                    [&](ton_api::dht_config_global &f) {
+                                      k = f.k_;
+                                      a = f.a_;
+                                      network_id = -1;
+                                      static_nodes = std::move(f.static_nodes_);
+                                    },
+                                    [&](ton_api::dht_config_global_v2 &f) {
+                                      k = f.k_;
+                                      a = f.a_;
+                                      network_id = f.network_id_;
+                                      static_nodes = std::move(f.static_nodes_);
+                                    }));
+  if (k == 0) {
     k = DhtMember::default_k();
-  } else if (conf->k_ > 0 && static_cast<td::uint32>(conf->k_) <= DhtMember::max_k()) {
-    k = conf->k_;
-  } else {
-    return td::Status::Error(ErrorCode::protoviolation, PSTRING() << "bad value k=" << conf->k_);
+  } else if (k > DhtMember::max_k()) {
+    return td::Status::Error(ErrorCode::protoviolation, PSTRING() << "bad value k=" << k);
   }
-  td::uint32 a;
-  if (conf->a_ == 0) {
+  if (a == 0) {
     a = DhtMember::default_a();
-  } else if (conf->a_ > 0 && static_cast<td::uint32>(conf->a_) <= DhtMember::max_a()) {
-    a = conf->a_;
-  } else {
-    return td::Status::Error(ErrorCode::protoviolation, PSTRING() << "bad value a=" << conf->a_);
+  } else if (a > DhtMember::max_a()) {
+    return td::Status::Error(ErrorCode::protoviolation, PSTRING() << "bad value a=" << a);
   }
-
-  DhtNodesList l{std::move(conf->static_nodes_)};
-
-  return std::make_shared<DhtGlobalConfig>(k, a, std::move(l));
+  DhtNodesList l{std::move(static_nodes), network_id};
+  return std::make_shared<DhtGlobalConfig>(k, a, network_id, std::move(l));
 }
 
 }  // namespace dht
diff --git a/dht/dht.h b/dht/dht.h
index d4c5edf7..b9c65c8a 100644
--- a/dht/dht.h
+++ b/dht/dht.h
@@ -47,7 +47,7 @@ class Dht : public td::actor::Actor {
                                                             td::actor::ActorId<keyring::Keyring> keyring,
                                                             td::actor::ActorId<adnl::Adnl> adnl);
   static td::Result<std::shared_ptr<DhtGlobalConfig>> create_global_config(
-      tl_object_ptr<ton_api::dht_config_global> conf);
+      tl_object_ptr<ton_api::dht_config_Global> conf);
 
   virtual adnl::AdnlNodeIdShort get_id() const = 0;
 
diff --git a/dht/dht.hpp b/dht/dht.hpp
index 5a4c4cfb..0b46d635 100644
--- a/dht/dht.hpp
+++ b/dht/dht.hpp
@@ -52,15 +52,20 @@ class DhtGlobalConfig {
   auto get_a() const {
     return a_;
   }
+  auto get_network_id() const {
+    return network_id_;
+  }
   const auto &nodes() const {
     return static_nodes_;
   }
-  DhtGlobalConfig(td::uint32 k, td::uint32 a, DhtNodesList nodes) : k_(k), a_(a), static_nodes_(std::move(nodes)) {
+  DhtGlobalConfig(td::uint32 k, td::uint32 a, td::int32 network_id, DhtNodesList nodes)
+      : k_(k), a_(a), network_id_(network_id), static_nodes_(std::move(nodes)) {
   }
 
  private:
   td::uint32 k_;
   td::uint32 a_;
+  td::int32 network_id_;
   DhtNodesList static_nodes_;
 };
 
@@ -85,8 +90,8 @@ class DhtMember : public Dht {
 
   static td::actor::ActorOwn<DhtMember> create(adnl::AdnlNodeIdShort id, std::string db_root,
                                                td::actor::ActorId<keyring::Keyring> keyring,
-                                               td::actor::ActorId<adnl::Adnl> adnl, td::uint32 k = 10, td::uint32 a = 3,
-                                               bool client_only = false);
+                                               td::actor::ActorId<adnl::Adnl> adnl, td::int32 network_id,
+                                               td::uint32 k = 10, td::uint32 a = 3, bool client_only = false);
 
   //virtual void update_addr_list(tl_object_ptr<ton_api::adnl_addressList> addr_list) = 0;
   //virtual void add_node(adnl::AdnlNodeIdShort id) = 0;
diff --git a/dht/utils/dht-resolve.cpp b/dht/utils/dht-resolve.cpp
index f30d8fa7..5ab98d01 100644
--- a/dht/utils/dht-resolve.cpp
+++ b/dht/utils/dht-resolve.cpp
@@ -132,7 +132,9 @@ class Resolver : public td::actor::Actor {
     if (!conf.dht_) {
       return td::Status::Error(ton::ErrorCode::error, "does not contain [dht] section");
     }
-    auto &nodes = conf.dht_->static_nodes_->nodes_;
+    ton::ton_api::dht_nodes* static_nodes = nullptr;
+    ton::ton_api::downcast_call(*conf.dht_, [&](auto &f) { static_nodes = f.static_nodes_.get(); });
+    auto &nodes = static_nodes->nodes_;
     if (server_idx_ >= 0) {
       CHECK(server_idx_ < (int)nodes.size());
       LOG(INFO) << "Using server #" << server_idx_;
diff --git a/tl/generate/scheme/ton_api.tl b/tl/generate/scheme/ton_api.tl
index 524d2592..8b5a49f7 100644
--- a/tl/generate/scheme/ton_api.tl
+++ b/tl/generate/scheme/ton_api.tl
@@ -562,11 +562,12 @@ control.config.local priv:PrivateKey pub:int256 port:int = control.config.Local;
 config.local local_ids:(vector id.config.local) dht:(vector dht.config.Local) validators:(vector validator.config.Local) liteservers:(vector liteserver.config.Local) control:(vector control.config.local) = config.Local;
 
 dht.config.global static_nodes:dht.nodes k:int a:int = dht.config.Global;
+dht.config.global_v2 static_nodes:dht.nodes k:int a:int network_id:int = dht.config.Global;
 adnl.config.global static_nodes:adnl.nodes = adnl.config.Global;
 catchain.config.global tag:int256 nodes:(vector PublicKey) = catchain.config.Global;
 dummyworkchain0.config.global zero_state_hash:int256 = dummyworkchain0.config.Global;
 validator.config.global zero_state:tonNode.blockIdExt init_block:tonNode.blockIdExt hardforks:(vector tonNode.blockIdExt) = validator.config.Global;
-config.global adnl:adnl.config.global dht:dht.config.global validator:validator.config.global = config.Global;
+config.global adnl:adnl.config.global dht:dht.config.Global validator:validator.config.global = config.Global;
 
 liteserver.desc id:PublicKey ip:int port:int = liteserver.Desc;
 liteclient.config.global liteservers:(vector liteserver.desc) validator:validator.config.global = liteclient.config.Global;
diff --git a/tl/generate/scheme/ton_api.tlo b/tl/generate/scheme/ton_api.tlo
index 0eb060b0..b9350346 100644
Binary files a/tl/generate/scheme/ton_api.tlo and b/tl/generate/scheme/ton_api.tlo differ