diff --git a/app/jobs/import_bitcoin_utxo_job.rb b/app/jobs/import_bitcoin_utxo_job.rb
new file mode 100644
index 000000000..595daedf2
--- /dev/null
+++ b/app/jobs/import_bitcoin_utxo_job.rb
@@ -0,0 +1,110 @@
+class ImportBitcoinUtxoJob < ApplicationJob
+  queue_as :bitcoin
+
+  def perform(txid, out_index, cell_id)
+    ApplicationRecord.transaction do
+      cell_output = CellOutput.find_by(id: cell_id)
+      unless cell_output
+        raise ArgumentError, "Missing cell_output(#{cell_id}), txid(#{txid}), out_index(#{out_index})"
+      end
+
+      vout_attributes = []
+
+      # build bitcoin transaction
+      raw_tx = fetch_raw_transaction(txid)
+      tx = build_tranaction!(raw_tx)
+
+      # build op_returns
+      op_returns = build_op_returns!(raw_tx, tx, cell_output.ckb_transaction, vout_attributes)
+      vout_attributes.concat(op_returns) if op_returns.present?
+
+      # build vout
+      vout_attributes << build_vout!(raw_tx, tx, out_index, cell_output)
+
+      BitcoinVout.upsert_all(vout_attributes, unique_by: %i[bitcoin_transaction_id index]) if vout_attributes.present?
+    end
+  end
+
+  def build_tranaction!(raw_tx)
+    tx = BitcoinTransaction.find_by(txid: raw_tx["txid"])
+    return tx if tx
+
+    # avoid making multiple RPC requests
+    block_header = rpc.getblockheader(raw_tx["blockhash"])
+    BitcoinTransaction.create!(
+      txid: raw_tx["txid"],
+      tx_hash: raw_tx["hash"],
+      time: raw_tx["time"],
+      block_hash: raw_tx["blockhash"],
+      block_height: block_header["height"],
+    )
+  end
+
+  def build_op_returns!(raw_tx, tx, ckb_tx, v_attributes)
+    op_returns = []
+
+    raw_tx["vout"].each do |vout|
+      data = vout.dig("scriptPubKey", "hex")
+      script_pubkey = Bitcoin::Script.parse_from_payload(data.htb)
+      next unless script_pubkey.op_return?
+
+      op_return = {
+        bitcoin_transaction_id: tx.id,
+        bitcoin_address_id: nil,
+        data:,
+        index: vout.dig("n"),
+        asm: vout.dig("scriptPubKey", "asm"),
+        op_return: true,
+        ckb_transaction_id: ckb_tx.id,
+        cell_output_id: nil,
+        address_id: nil,
+      }
+
+      op_returns << op_return if v_attributes.exclude?(op_return)
+    end
+
+    op_returns
+  end
+
+  def build_vout!(raw_tx, tx, out_index, cell_output)
+    vout = raw_tx["vout"].find { _1["n"] == out_index }
+    raise ArgumentError, "Missing vout txid: #{raw_tx['txid']} index: #{out_index}" unless vout
+
+    address_hash = vout.dig("scriptPubKey", "address")
+    raise ArgumentError, "Missing vout address: #{raw_tx['txid']} index: #{out_index}" unless address_hash
+
+    address = build_address!(address_hash, cell_output)
+    {
+      bitcoin_transaction_id: tx.id,
+      bitcoin_address_id: address.id,
+      data: vout.dig("scriptPubKey", "hex"),
+      index: vout.dig("n"),
+      asm: vout.dig("scriptPubKey", "asm"),
+      op_return: false,
+      ckb_transaction_id: cell_output.ckb_transaction_id,
+      cell_output_id: cell_output.id,
+      address_id: cell_output.address_id,
+    }
+  end
+
+  def build_address!(address_hash, cell_output)
+    bitcoin_address = BitcoinAddress.find_or_create_by!(address_hash:)
+    BitcoinAddressMapping.
+      create_with(bitcoin_address_id: bitcoin_address.id).
+      find_or_create_by!(ckb_address_id: cell_output.address_id)
+
+    bitcoin_address
+  end
+
+  def fetch_raw_transaction(txid)
+    tx_json = Kredis.json txid, expires_in: 1.hour
+    if tx_json.value.blank?
+      tx_json.value = rpc.getrawtransaction(txid, 2)
+    end
+    tx_json.value
+  end
+
+  def rpc
+    @rpc ||= Bitcoin::Rpc.instance
+  end
+end
diff --git a/app/models/ckb_sync/api.rb b/app/models/ckb_sync/api.rb
index 14c0c6b71..474746bb6 100644
--- a/app/models/ckb_sync/api.rb
+++ b/app/models/ckb_sync/api.rb
@@ -99,6 +99,10 @@ def xudt_code_hash
       Settings.xudt_code_hash
     end
 
+    def rgbpp_code_hash
+      Settings.rgbpp_code_hash
+    end
+
     METHOD_NAMES.each do |name|
       define_method name do |*params|
         call_rpc(name, params:)
diff --git a/app/utils/ckb_utils.rb b/app/utils/ckb_utils.rb
index 6a26c839c..0ac0d2acf 100644
--- a/app/utils/ckb_utils.rb
+++ b/app/utils/ckb_utils.rb
@@ -644,8 +644,18 @@ def self.parse_omiga_inscription_data(hex_data)
     { mint_limit: }
   end
 
-  def self.parse_rgb_args(_args)
-    # TODO
-    ["15dede3b31ed87bb6b1d668222127a7b308c1beb6fe99bf4a3f076bcae8e93fe", 4]
+  def self.is_rgbpp_lock_cell?(lock_script)
+    lock_script.code_hash == CkbSync::Api.instance.rgbpp_code_hash && lock_script.hash_type == "type"
+  end
+
+  # * https://learnmeabitcoin.com/technical/general/byte-order/
+  # Whenever you're working with transaction/block hashes internally (e.g. inside raw bitcoin data), you use the natural byte order.
+  # Whenever you're displaying or searching for transaction/block hashes, you use the reverse byte order.
+  def self.parse_rgbpp_args(args)
+    args = args.delete_prefix("0x")
+    out_index = [args[0..7]].pack("H*").unpack1("v")
+    txid = args[8..-1].scan(/../).reverse.join
+
+    [txid, out_index]
   end
 end
diff --git a/app/workers/bitcoin_transaction_detect_worker.rb b/app/workers/bitcoin_transaction_detect_worker.rb
index 53dce2a34..cd58abd29 100644
--- a/app/workers/bitcoin_transaction_detect_worker.rb
+++ b/app/workers/bitcoin_transaction_detect_worker.rb
@@ -1,106 +1,57 @@
-class BitcoinTransactionDetectWorker
+class BitcoinUtxoDetectWorker
   include Sidekiq::Worker
   sidekiq_options queue: "bitcoin"
 
-  INIT_BITCOIN_BLOCK_HEIGHT = 100_000
-
-  attr_accessor :block
-
   def perform(block_id)
     @block = Block.find_by(id: block_id)
     return unless @block
 
     ApplicationRecord.transaction do
-      vout_attributes = []
-
-      transacitons = @block.ckb_transactions.limit(min_transactions_count)
-      transacitons.each_with_index do |transaction, index|
-        next if transaction.bitcoin_vouts.exists?
-
-        txid = bitcoin_txids[index]
-        raw_transaction = rpc.getrawtransaction(txid, 2)
-        bitcoin_transaction = build_tranaction!(raw_transaction)
-
-        cell_output = transaction.cell_outputs.first
-        vout_attribute = build_vout_attributes!(raw_transaction, bitcoin_transaction, cell_output)
-        next unless vout_attribute
-
-        vout_attributes << vout_attribute
+      @block.ckb_transactions.each do |transaction|
+        vin_attributes = []
+
+        # import cell_inputs utxo
+        transaction.cell_inputs.each do |cell|
+          previous_cell_output = cell.previous_cell_output
+          next unless previous_cell_output
+
+          lock_script = previous_cell_output.lock_script
+          next unless CkbUtils2.is_rgbpp_lock_cell?(lock_script)
+
+          # import previous bitcoin transaction if prev vout is missing
+          import_utxo!(lock_script.args, previous_cell_output.id, transaction.id)
+
+          previous_vout = BitcoinVout.find_by(cell_output_id: previous_cell_output.id)
+          vin_attributes << {
+            previous_bitcoin_vout_id: previous_vout.id,
+            ckb_transaction_id: transaction.id,
+            cell_input_id: cell.id,
+          }
+        end
+
+        if vin_attributes.present?
+          BitcoinVin.upsert_all(vin_attributes, unique_by: %i[ckb_transaction_id cell_input_id])
+        end
+
+        # import cell_outputs utxo
+        transaction.cell_outputs.each do |cell|
+          lock_script = cell.lock_script
+          next unless CkbUtils2.is_rgbpp_lock_cell?(lock_script)
+
+          import_utxo!(lock_script.args, cell.id, transaction.id)
+        end
       end
-
-      return if vout_attributes.blank?
-
-      BitcoinVout.upsert_all(vout_attributes, unique_by: %i[bitcoin_transaction_id index])
     end
   end
 
-  private
-
-  def bitcoin_txids
-    return @txids if @txids
-
-    block_hash = rpc.getblockhash(bitcoin_block_height)
-    # verbose set to 1 for JSON object
-    block = rpc.getblock(block_hash, 1)
-    @txids = block["tx"]
-  end
+  def import_utxo!(args, cell_id, _tx_id)
+    txid, out_index = CkbUtils2.parse_rgbpp_args(args)
 
-  def bitcoin_block_height
-    transaction = BitcoinTransaction.last
-    transaction ? transaction.block_height + 1 : 100_000
-  end
-
-  def min_transactions_count
-    [block.ckb_transactions_count, bitcoin_txids.count].min
-  end
-
-  def build_tranaction!(raw_tx)
-    tx = BitcoinTransaction.find_by(txid: raw_tx["txid"])
-    return tx if tx
-
-    # avoid making multiple RPC requests
-    block_header = rpc.getblockheader(raw_tx["blockhash"])
-    BitcoinTransaction.create!(
-      txid: raw_tx["txid"],
-      tx_hash: raw_tx["hash"],
-      time: raw_tx["time"],
-      block_hash: raw_tx["blockhash"],
-      block_height: block_header["height"],
-    )
-  end
-
-  def build_vout_attributes!(raw_tx, tx, cell_output)
-    vout = raw_tx["vout"].find { _1["n"] == cell_output.cell_index }
-    vout ||= raw_tx["vout"][0]
-
-    address_hash = vout.dig("scriptPubKey", "address")
-    return unless address_hash
-
-    bitcoin_address = build_address!(address_hash, cell_output)
-
-    {
-      bitcoin_transaction_id: tx.id,
-      bitcoin_address_id: bitcoin_address.id,
-      data: "6a24aa21a9ed5e53af6963d02d7fcf87695798a0715951bd03fb05f524015d88324636141f42",
-      index: vout.dig("scriptPubKey", "n"),
-      asm: "OP_RETURN aa21a9ed5e53af6963d02d7fcf87695798a0715951bd03fb05f524015d88324636141f42",
-      op_return: true,
-      ckb_transaction_id: cell_output.ckb_transaction_id,
-      cell_output_id: cell_output.id,
-      address_id: cell_output.address_id,
-    }
-  end
-
-  def build_address!(address_hash, cell_output)
-    bitcoin_address = BitcoinAddress.find_or_create_by(address_hash:)
-    BitcoinAddressMapping.
-      create_with(bitcoin_address_id: bitcoin_address.id).
-      find_or_create_by!(ckb_address_id: cell_output.address_id)
-
-    bitcoin_address
-  end
-
-  def rpc
-    @rpc ||= Bitcoin::Rpc.instance
+    unless BitcoinTransaction.includes(:bitcoin_vouts).where(
+      bitcoin_transactions: { txid: },
+      bitcoin_vouts: { index: out_index, cell_output_id: cell_id },
+    ).exists?
+      ImportBitcoinUtxoJob.perform_now(txid, out_index, cell_id)
+    end
   end
 end
diff --git a/config/settings.mainnet.yml b/config/settings.mainnet.yml
index 8ebb71243..97bc45746 100644
--- a/config/settings.mainnet.yml
+++ b/config/settings.mainnet.yml
@@ -71,3 +71,6 @@ type_id_code_hash: "0x0000000000000000000000000000000000000000000000000054595045
 homepage_transactions_records_count: 15
 homepage_block_records_count: 15
 proposal_window: 10
+
+# rgbpp code hash
+rgbpp_code_hash: "0x0000000000000000000000000000000000000000000000000000000000000000"
diff --git a/config/settings.testnet.yml b/config/settings.testnet.yml
index c129a5f5a..230570c38 100644
--- a/config/settings.testnet.yml
+++ b/config/settings.testnet.yml
@@ -74,3 +74,6 @@ type_id_code_hash: "0x0000000000000000000000000000000000000000000000000054595045
 homepage_transactions_records_count: 15
 homepage_block_records_count: 15
 proposal_window: 10
+
+# rgbpp code hash
+rgbpp_code_hash: "0xaddb21cf401d1a609e60198f850c4417ff03f98462ba4a3f101fa2741f481228"