diff --git a/api/worker.go b/api/worker.go
index 005481a1..74a607df 100644
--- a/api/worker.go
+++ b/api/worker.go
@@ -844,6 +844,10 @@ func (w *Worker) txFromTxAddress(txid string, ta *db.TxAddresses, bi *db.BlockIn
 		if err != nil {
 			glog.Errorf("tai.Addresses error %v, tx %v, input %v, tai %+v", err, txid, i, tai)
 		}
+		if w.db.HasExtendedIndex() {
+			vin.Txid = tai.Txid
+			vin.Vout = tai.Vout
+		}
 		aggregateAddresses(addresses, vin.Addresses, vin.IsAddress)
 	}
 	vouts := make([]Vout, len(ta.Outputs))
@@ -882,6 +886,11 @@ func (w *Worker) txFromTxAddress(txid string, ta *db.TxAddresses, bi *db.BlockIn
 		Vin:           vins,
 		Vout:          vouts,
 	}
+	if w.chainParser.SupportsVSize() {
+		r.VSize = int(ta.VSize)
+	} else {
+		r.Size = int(ta.VSize)
+	}
 	return r
 }
 
diff --git a/db/rocksdb.go b/db/rocksdb.go
index 72aeebf9..f911cb1f 100644
--- a/db/rocksdb.go
+++ b/db/rocksdb.go
@@ -415,6 +415,9 @@ type outpoint struct {
 type TxInput struct {
 	AddrDesc bchain.AddressDescriptor
 	ValueSat big.Int
+	// extended index properties
+	Txid string
+	Vout uint32
 }
 
 // Addresses converts AddressDescriptor of the input to array of strings
@@ -424,9 +427,10 @@ func (ti *TxInput) Addresses(p bchain.BlockChainParser) ([]string, bool, error)
 
 // TxOutput holds output data of the transaction in TxAddresses
 type TxOutput struct {
-	AddrDesc    bchain.AddressDescriptor
-	Spent       bool
-	ValueSat    big.Int
+	AddrDesc bchain.AddressDescriptor
+	Spent    bool
+	ValueSat big.Int
+	// extended index properties
 	SpentTxid   string
 	SpentIndex  uint32
 	SpentHeight uint32
@@ -442,6 +446,8 @@ type TxAddresses struct {
 	Height  uint32
 	Inputs  []TxInput
 	Outputs []TxOutput
+	// extended index properties
+	VSize uint32
 }
 
 // Utxo holds information about unspent transaction output
@@ -596,13 +602,21 @@ func (d *RocksDB) processAddressesBitcoinType(block *bchain.Block, addresses add
 		}
 		blockTxIDs[txi] = btxID
 		ta := TxAddresses{Height: block.Height}
+		if d.extendedIndex {
+			if tx.VSize > 0 {
+				ta.VSize = uint32(tx.VSize)
+			} else {
+				ta.VSize = uint32(len(tx.Hex))
+			}
+		}
 		ta.Outputs = make([]TxOutput, len(tx.Vout))
 		txAddressesMap[string(btxID)] = &ta
 		blockTxAddresses[txi] = &ta
-		for i, output := range tx.Vout {
+		for i := range tx.Vout {
+			output := &tx.Vout[i]
 			tao := &ta.Outputs[i]
 			tao.ValueSat = output.ValueSat
-			addrDesc, err := d.chainParser.GetAddrDescFromVout(&output)
+			addrDesc, err := d.chainParser.GetAddrDescFromVout(output)
 			if err != nil || len(addrDesc) == 0 || len(addrDesc) > maxAddrDescLen {
 				if err != nil {
 					// do not log ErrAddressMissing, transactions can be without to address (for example eth contracts)
@@ -652,7 +666,8 @@ func (d *RocksDB) processAddressesBitcoinType(block *bchain.Block, addresses add
 		ta := blockTxAddresses[txi]
 		ta.Inputs = make([]TxInput, len(tx.Vin))
 		logged := false
-		for i, input := range tx.Vin {
+		for i := range tx.Vin {
+			input := &tx.Vin[i]
 			tai := &ta.Inputs[i]
 			btxID, err := d.chainParser.PackTxid(input.Txid)
 			if err != nil {
@@ -695,6 +710,8 @@ func (d *RocksDB) processAddressesBitcoinType(block *bchain.Block, addresses add
 				spentOutput.SpentTxid = tx.Txid
 				spentOutput.SpentIndex = uint32(i)
 				spentOutput.SpentHeight = block.Height
+				tai.Txid = input.Txid
+				tai.Vout = input.Vout
 			}
 			if len(spentOutput.AddrDesc) == 0 {
 				if !logged {
@@ -951,10 +968,14 @@ func (d *RocksDB) packTxAddresses(ta *TxAddresses, buf []byte, varBuf []byte) []
 	buf = buf[:0]
 	l := packVaruint(uint(ta.Height), varBuf)
 	buf = append(buf, varBuf[:l]...)
+	if d.extendedIndex {
+		l = packVaruint(uint(ta.VSize), varBuf)
+		buf = append(buf, varBuf[:l]...)
+	}
 	l = packVaruint(uint(len(ta.Inputs)), varBuf)
 	buf = append(buf, varBuf[:l]...)
 	for i := range ta.Inputs {
-		buf = appendTxInput(&ta.Inputs[i], buf, varBuf)
+		buf = d.appendTxInput(&ta.Inputs[i], buf, varBuf)
 	}
 	l = packVaruint(uint(len(ta.Outputs)), varBuf)
 	buf = append(buf, varBuf[:l]...)
@@ -964,13 +985,38 @@ func (d *RocksDB) packTxAddresses(ta *TxAddresses, buf []byte, varBuf []byte) []
 	return buf
 }
 
-func appendTxInput(txi *TxInput, buf []byte, varBuf []byte) []byte {
+func (d *RocksDB) appendTxInput(txi *TxInput, buf []byte, varBuf []byte) []byte {
 	la := len(txi.AddrDesc)
-	l := packVaruint(uint(la), varBuf)
-	buf = append(buf, varBuf[:l]...)
-	buf = append(buf, txi.AddrDesc...)
-	l = packBigint(&txi.ValueSat, varBuf)
-	buf = append(buf, varBuf[:l]...)
+	var l int
+	if d.extendedIndex {
+		if txi.Txid == "" {
+			// coinbase transaction
+			la = ^la
+		}
+		l = packVarint(la, varBuf)
+		buf = append(buf, varBuf[:l]...)
+		buf = append(buf, txi.AddrDesc...)
+		l = packBigint(&txi.ValueSat, varBuf)
+		buf = append(buf, varBuf[:l]...)
+		if la >= 0 {
+			btxID, err := d.chainParser.PackTxid(txi.Txid)
+			if err != nil {
+				if err != bchain.ErrTxidMissing {
+					glog.Error("Cannot pack txid ", txi.Txid)
+				}
+				btxID = make([]byte, d.chainParser.PackedTxidLen())
+			}
+			buf = append(buf, btxID...)
+			l = packVaruint(uint(txi.Vout), varBuf)
+			buf = append(buf, varBuf[:l]...)
+		}
+	} else {
+		l = packVaruint(uint(la), varBuf)
+		buf = append(buf, varBuf[:l]...)
+		buf = append(buf, txi.AddrDesc...)
+		l = packBigint(&txi.ValueSat, varBuf)
+		buf = append(buf, varBuf[:l]...)
+	}
 	return buf
 }
 
@@ -1049,7 +1095,7 @@ func packAddrBalance(ab *AddrBalance, buf, varBuf []byte) []byte {
 	l = packBigint(&ab.BalanceSat, varBuf)
 	buf = append(buf, varBuf[:l]...)
 	for _, utxo := range ab.Utxos {
-		// if Vout < 0, utxo is marked as spent
+		// if Vout < 0, utxo is marked as spent and removed from the entry
 		if utxo.Vout >= 0 {
 			buf = append(buf, utxo.BtxID...)
 			l = packVaruint(uint(utxo.Vout), varBuf)
@@ -1067,11 +1113,16 @@ func (d *RocksDB) unpackTxAddresses(buf []byte) (*TxAddresses, error) {
 	ta := TxAddresses{}
 	height, l := unpackVaruint(buf)
 	ta.Height = uint32(height)
+	if d.extendedIndex {
+		vsize, ll := unpackVaruint(buf[l:])
+		ta.VSize = uint32(vsize)
+		l += ll
+	}
 	inputs, ll := unpackVaruint(buf[l:])
 	l += ll
 	ta.Inputs = make([]TxInput, inputs)
 	for i := uint(0); i < inputs; i++ {
-		l += unpackTxInput(&ta.Inputs[i], buf[l:])
+		l += d.unpackTxInput(&ta.Inputs[i], buf[l:])
 	}
 	outputs, ll := unpackVaruint(buf[l:])
 	l += ll
@@ -1082,12 +1133,35 @@ func (d *RocksDB) unpackTxAddresses(buf []byte) (*TxAddresses, error) {
 	return &ta, nil
 }
 
-func unpackTxInput(ti *TxInput, buf []byte) int {
-	al, l := unpackVaruint(buf)
-	ti.AddrDesc = append([]byte(nil), buf[l:l+int(al)]...)
-	al += uint(l)
-	ti.ValueSat, l = unpackBigint(buf[al:])
-	return l + int(al)
+func (d *RocksDB) unpackTxInput(ti *TxInput, buf []byte) int {
+	if d.extendedIndex {
+		al, l := unpackVarint(buf)
+		var coinbase bool
+		if al < 0 {
+			coinbase = true
+			al = ^al
+		}
+		ti.AddrDesc = append([]byte(nil), buf[l:l+al]...)
+		al += l
+		ti.ValueSat, l = unpackBigint(buf[al:])
+		al += l
+		if !coinbase {
+			l = d.chainParser.PackedTxidLen()
+			ti.Txid, _ = d.chainParser.UnpackTxid(buf[al : al+l])
+			al += l
+			var i uint
+			i, l = unpackVaruint(buf[al:])
+			ti.Vout = uint32(i)
+			al += l
+		}
+		return al
+	} else {
+		al, l := unpackVaruint(buf)
+		ti.AddrDesc = append([]byte(nil), buf[l:l+int(al)]...)
+		al += uint(l)
+		ti.ValueSat, l = unpackBigint(buf[al:])
+		return l + int(al)
+	}
 }
 
 func (d *RocksDB) unpackTxOutput(to *TxOutput, buf []byte) int {
diff --git a/db/rocksdb_test.go b/db/rocksdb_test.go
index 4138976d..bb051062 100644
--- a/db/rocksdb_test.go
+++ b/db/rocksdb_test.go
@@ -1016,21 +1016,28 @@ func Test_packTxAddresses_unpackTxAddresses(t *testing.T) {
 		},
 		{
 			name: "extendedIndex 1",
-			hex:  "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",
+			hex:  "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",
 			data: &TxAddresses{
 				Height: 12345,
+				VSize:  321,
 				Inputs: []TxInput{
 					{
 						AddrDesc: addressToAddrDesc("2N7iL7AvS4LViugwsdjTB13uN4T7XhV1bCP", parser),
 						ValueSat: *big.NewInt(9011000000),
+						Txid:     "c50c7ce2f5670fd52de738288299bd854a85ef1bb304f62f35ced1bd49a8a810",
+						Vout:     0,
 					},
 					{
 						AddrDesc: addressToAddrDesc("2Mt9v216YiNBAzobeNEzd4FQweHrGyuRHze", parser),
 						ValueSat: *big.NewInt(8011000000),
+						Txid:     "e96672c7fcc8da131427fcea7e841028614813496a56c11e8a6185c16861c495",
+						Vout:     1,
 					},
 					{
 						AddrDesc: addressToAddrDesc("2NDyqJpHvHnqNtL1F9xAeCWMAW8WLJmEMyD", parser),
 						ValueSat: *big.NewInt(7011000000),
+						Txid:     "ed308c72f9804dfeefdbb483ef8fd1e638180ad81d6b33f4b58d36d19162fa6d",
+						Vout:     134,
 					},
 				},
 				Outputs: []TxOutput{
@@ -1072,9 +1079,10 @@ func Test_packTxAddresses_unpackTxAddresses(t *testing.T) {
 		},
 		{
 			name: "extendedIndex empty address",
-			hex:  "baef9a1501000204d2020002162e010162fdd824a780cbb718eeb766eb05d83fdefc793a27082cd5e67f856d69798cf7db03e039",
+			hex:  "baef9a152d01010204d2020002162e010162fdd824a780cbb718eeb766eb05d83fdefc793a27082cd5e67f856d69798cf7db03e039",
 			data: &TxAddresses{
 				Height: 123456789,
+				VSize:  45,
 				Inputs: []TxInput{
 					{
 						AddrDesc: []byte(nil),
diff --git a/static/templates/txdetail.html b/static/templates/txdetail.html
index a5f53758..3472323e 100644
--- a/static/templates/txdetail.html
+++ b/static/templates/txdetail.html
@@ -59,8 +59,8 @@
     </div>
     <div class="row footer">
         <div class="col-sm-12 col-md-4">
-            {{if $tx.FeesSat}}
-            Fee {{amountSpan $tx.FeesSat $data "txvalue copyable ms-3"}}
+            {{if $tx.FeesSat}}{{$fpb := feePerByte $tx}}
+            Fee {{amountSpan $tx.FeesSat $data "txvalue copyable ms-3"}}{{if $fpb}} <span class="fw-normal small">({{$fpb}})</span>{{end}}
             {{end}}
         </div>
         <div class="col-sm-12 col-md-8 text-end">