823eeebb57687e2c0b4a0f6d7ffb36ef0aecd7babef79733d364e81b77a5b61a

Bitcoin Transaction

Block No.
666,945
Time
2021-01-20 20:38:21 UTC
Status
Confirmed
Confirmations
175,364
# Inputs
6
# Outputs
130
Value
0.34748934 BTC
Value ($)
12,795.13 USD
Total Fee
0.00339239 BTC
Total Fee ($)
124.91 USD
Size
5,327 B
Virtual Size
4,844 B
Fee per Byte
71 sats
Space Saved
9.07%

Inputs

0
0.00368140
BTC
1
0.03000000
BTC
2
0.02984390
BTC
3
0.00068812
BTC
4
0.00026230
BTC
5
0.28640601
BTC

Outputs

0
0.00261530
BTC
1
0.00261507
BTC
2
0.00272630
BTC
3
0.00262351
BTC
4
0.00273259
BTC
5
0.00262351
BTC
6
0.00273281
BTC
7
0.00272630
BTC
8
0.00261507
BTC
9
0.00273281
BTC
10
0.00261957
BTC
11
0.00272098
BTC
12
0.00273281
BTC
13
0.00262431
BTC
14
0.00262222
BTC
15
0.00262633
BTC
16
0.00273281
BTC
17
0.00262199
BTC
18
0.00276529
BTC
19
0.00273281
BTC
20
0.00276529
BTC
21
0.00261507
BTC
22
0.00261884
BTC
23
0.00276221
BTC
24
0.00272630
BTC
25
0.00261811
BTC
26
0.00275328
BTC
27
0.00275669
BTC
28
0.00276529
BTC
29
0.00261884
BTC
30
0.00273259
BTC
31
0.00276221
BTC
32
0.00262779
BTC
33
0.00276221
BTC
34
0.00261885
BTC
35
0.00261530
BTC
36
0.00272630
BTC
37
0.00276529
BTC
38
0.00261811
BTC
39
0.00272229
BTC
40
0.00273543
BTC
41
0.00273281
BTC
42
0.00261976
BTC
43
0.00261855
BTC
44
0.00261811
BTC
45
0.00261867
BTC
46
0.00273259
BTC
47
0.00273281
BTC
48
0.00276529
BTC
49
0.00271784
BTC
50
0.00261507
BTC
51
0.00261766
BTC
52
0.00261957
BTC
53
0.00261507
BTC
54
0.00262351
BTC
55
0.00262199
BTC
56
0.00261530
BTC
57
0.00276221
BTC
58
0.00261507
BTC
59
0.00273233
BTC
60
0.00261976
BTC
61
0.00275433
BTC
62
0.00261530
BTC
63
0.00261886
BTC
64
0.00261507
BTC
65
0.00272630
BTC
66
0.00261957
BTC
67
0.00261507
BTC
68
0.00261530
BTC
69
0.00261507
BTC
70
0.00276221
BTC
71
0.00272630
BTC
72
0.00261530
BTC
73
0.00261875
BTC
74
0.00262222
BTC
75
0.00276529
BTC
76
0.00261886
BTC
77
0.00261530
BTC
78
0.00261867
BTC
79
0.00275617
BTC
80
0.00271941
BTC
81
0.00272630
BTC
82
0.00261507
BTC
83
0.00261507
BTC
84
0.00273281
BTC
85
0.00261507
BTC
86
0.00273281
BTC
87
0.00261875
BTC
88
0.00261885
BTC
89
0.00274960
BTC
90
0.00261886
BTC
91
0.00273281
BTC
92
0.00273281
BTC
93
0.00261530
BTC
94
0.00273233
BTC
95
0.00261885
BTC
96
0.00272630
BTC
97
0.00272229
BTC
98
0.00276221
BTC
99
0.00261867
BTC
100
0.00261507
BTC
101
0.00261855
BTC
102
0.00261875
BTC
103
0.00273233
BTC
104
0.00261976
BTC
105
0.00261507
BTC
106
0.00262779
BTC
107
0.00262222
BTC
108
0.00273281
BTC
109
0.00276529
BTC
110
0.00273281
BTC
111
0.00272229
BTC
112
0.00273281
BTC
113
0.00273259
BTC
114
0.00262779
BTC
115
0.00261507
BTC
116
0.00272229
BTC
117
0.00275643
BTC
118
0.00262633
BTC
119
0.00261530
BTC
120
0.00262633
BTC
121
0.00261855
BTC
122
0.00261766
BTC
124
0.00262431
BTC
125
0.00262199
BTC
126
0.00262431
BTC
127
0.00272229
BTC
128
0.00261766
BTC
129
0.00261884
BTC

Scripts

Input
0
304402205d6c613bd6250ef5e24806b11b341650689d2f901475c0d6e3187c16c513e3b102207ed1c0d8a904f7fc94b2a6272d05f60e7f016baa1d3718f3ddd12858bbd75c5f01 025cefca3528ebd02eec587a95b902e34bee8552cc9e3c01e88913ac90de62860f
Input
1
3044022001bdfc6bed5aa89d2446a4f4fa9dbcdcb0b17695ed594216461a847e1a2d74aa02200538d7142e75f88e85a8cbdb8018e8796bfb51b90c705a64b75f6e5922087c6401 027a9ea76bf2ae2895b6e4b102b106d390477811b45507d84bf5ed0da8bb602e16
Input
2
30440220784159f42a90d53c1eaa49bd1512d9d18913d2ece8b5b203a335bc46e12b357f02204da9aced7ecb417605e51bda595fbf14b87723a75ea04a53f47276e9465e98b801 03d882b40596247c2ef8779e95d8144def3020247eb65b74f17dec53f992eab605
Input
3
304402202e2f3d6614bbf8796db2707915505a0eb6f6d4a5ac0534f4e81346d5c311154502201c1b9d1c6b94e4371bbf6b175d9c6033260d2ffab96c3ef0455a5e66bb4c34f801 028cf86932021f869d42c6a79667997f89b1f0f5c720080b1d7e115b49e3f7dab4
Input
4
3044022009ea479ce7e09e9de9a88f8ba91fb09f237ba16de30f5d710b66fe2467aa049c0220669e36033e51024aa6232d572d4a0f03017daaf49fe2c9a15d0238edc18ceb1101 034cc2de8615e5e678c16a17fee4d2e0ab3fac38e923a3856df393d3a4b7c5c546
Input
5
304402202e6be0651f1d8682a7772674bb1c618c0bdac1dc74c8b04f65c9eace1ad0d4a402203276229b481c82bc79e00aca9d92a4ee93d7128985216e8ff9dcae965d76550d01 03138b496f98e646ef8bee75246d76a8bd4a3664edb57231c90423f75356bf1ce6
Output
0
OP_HASH160 3c45f78a231222104851ae731c64ca1404de4a36 OP_EQUAL
Output
1
OP_HASH160 f1a8c7675354ae3e1ec4fdd0a4b528d30786252e OP_EQUAL
Output
2
OP_HASH160 ea9f8255bf47f998484cc33144d7927b5ee88f13 OP_EQUAL
Output
3
OP_HASH160 3934718e910706104553b5d3eb37725e9f7ba3f8 OP_EQUAL
Output
4
OP_DUP OP_HASH160 ce08853b53b3f911d5bef37ac2f13763c0a978c7 OP_EQUALVERIFY OP_CHECKSIG
Output
5
OP_DUP OP_HASH160 a3c667f998ae328974e50b23e5ca626538534d47 OP_EQUALVERIFY OP_CHECKSIG
Output
6
OP_DUP OP_HASH160 0ad12bf6cae3abf3e44884a64ef26d93a5097605 OP_EQUALVERIFY OP_CHECKSIG
Output
7
OP_HASH160 c557ec5d53e03f4718a7f71c1c60511109fbeed1 OP_EQUAL
Output
8
OP_HASH160 a0cb153a1c7bd41c7461eaa632600123d406d704 OP_EQUAL
Output
9
0 efbf6ada6c4cdafc90c2e483c3c1992efe8e328a
Output
10
OP_DUP OP_HASH160 5217fb891dc53113b02246b59e09b31730f51935 OP_EQUALVERIFY OP_CHECKSIG
Output
11
OP_DUP OP_HASH160 cc2837a35d82442ad36a595695a874b2f0744753 OP_EQUALVERIFY OP_CHECKSIG
Output
12
OP_HASH160 046801f89851a524e5783df7373d8a962b1a1bbe OP_EQUAL
Output
13
OP_DUP OP_HASH160 af419ef0e822570ec774a75740e3cdc5965b939c OP_EQUALVERIFY OP_CHECKSIG
Output
14
OP_DUP OP_HASH160 f69096ecf90b9c8630e8318b2090f8c5e8aa3887 OP_EQUALVERIFY OP_CHECKSIG
Output
15
OP_DUP OP_HASH160 81685e85b1ce01a68505e7823154dc4fa6199db8 OP_EQUALVERIFY OP_CHECKSIG
Output
16
OP_HASH160 f1d5fe110da48967c156cbb858dc595744f1a8f5 OP_EQUAL
Output
17
OP_HASH160 828ebd83c3822819841609554b8de2fb69f73936 OP_EQUAL
Output
18
0 a0c4d76fee25fc469b3962887b20a0ed7d0b3c9c
Output
19
OP_DUP OP_HASH160 8c60616f98ad0a535ce04ca19bfdc14dd7199a1b OP_EQUALVERIFY OP_CHECKSIG
Output
20
OP_HASH160 46c7fa0a740a88a543183550e285e8a6bb7c20df OP_EQUAL
Output
21
OP_HASH160 568f71d5b0c9cc3cf58db7369fb293c7a79b8f42 OP_EQUAL
Output
22
OP_DUP OP_HASH160 2258e72768b54eca6d108fd5b5b620d0dc35e59e OP_EQUALVERIFY OP_CHECKSIG
Output
23
OP_DUP OP_HASH160 df4b97b8935bdccbc4d0b7b68aa5bd3d48b03645 OP_EQUALVERIFY OP_CHECKSIG
Output
24
OP_HASH160 cadee0ba8d447760b3f1b5389aa1c0c8c66a69e7 OP_EQUAL
Output
25
OP_HASH160 af872d3136466f32c8ab54b178847e80eb165ee7 OP_EQUAL
Output
26
OP_DUP OP_HASH160 7f09b2b9b70eb97fc793edb25629809d73e8ff6a OP_EQUALVERIFY OP_CHECKSIG
Output
27
OP_DUP OP_HASH160 3bf59beba75262d6c86e5e82a0c71beb69cd16d6 OP_EQUALVERIFY OP_CHECKSIG
Output
28
OP_DUP OP_HASH160 f1828ef8225923e0162c9655e3be09cc8a3149ea OP_EQUALVERIFY OP_CHECKSIG
Output
29
OP_DUP OP_HASH160 865a617f0132e4964db67a58dcae55bd05a88279 OP_EQUALVERIFY OP_CHECKSIG
Output
30
OP_DUP OP_HASH160 40e437b13f35f9b0e6c1e08b7530241b137277a2 OP_EQUALVERIFY OP_CHECKSIG
Output
31
0 db4f20a19e31a1a72668b119d20053830ee2be45
Output
32
OP_DUP OP_HASH160 9ab6f3cc622b2fa84f86f97659ac24eed4878f76 OP_EQUALVERIFY OP_CHECKSIG
Output
33
OP_DUP OP_HASH160 23400c8a1abc8b93e35f5fb7a7b098a300a2abca OP_EQUALVERIFY OP_CHECKSIG
Output
34
OP_HASH160 6b5b699e183a64a8dc4624c4836561e5834553c4 OP_EQUAL
Output
35
OP_HASH160 8f0be191c0ddb9b3215d5b459bab9a8c37e761c6 OP_EQUAL
Output
36
OP_DUP OP_HASH160 73500460e324cf337bbf457228dd0f288a505739 OP_EQUALVERIFY OP_CHECKSIG
Output
37
OP_HASH160 7908d5eb5bb3171b1c3d6d9377a55eac8ef19cbf OP_EQUAL
Output
38
OP_HASH160 1757f8e1ab75ed70a14f6861ed4829fd6b129532 OP_EQUAL
Output
39
OP_DUP OP_HASH160 0ece6b02627c835c6692c8c52eaef1c88a8de6c9 OP_EQUALVERIFY OP_CHECKSIG
Output
40
OP_DUP OP_HASH160 b88a060da83a55505fbc7579c5114e5c0713acf2 OP_EQUALVERIFY OP_CHECKSIG
Output
41
OP_DUP OP_HASH160 53b0e9b4f7928cf69453672fee61baac34334037 OP_EQUALVERIFY OP_CHECKSIG
Output
42
OP_DUP OP_HASH160 f7b7929314f0cd9b72134b0a34abc23e5b067a91 OP_EQUALVERIFY OP_CHECKSIG
Output
43
OP_HASH160 f7e85d698cc31efad7deb33f8fef4b4ae577ac26 OP_EQUAL
Output
44
OP_HASH160 dde7c0d296bdb0e44430914d27be6df7f6bb1776 OP_EQUAL
Output
45
OP_DUP OP_HASH160 63e3e46ce664042ea9ad807b9fd16315de6f9ead OP_EQUALVERIFY OP_CHECKSIG
Output
46
OP_HASH160 73880c0757a85fd47b94758b683bedf7739e6c29 OP_EQUAL
Output
47
OP_HASH160 12d8e28ec67e4166edd68f5c21a07f97285e66bd OP_EQUAL
Output
48
OP_HASH160 a62fa8f9e23420882c14b1da5cf60715df92c853 OP_EQUAL
Output
49
OP_DUP OP_HASH160 236f7027f606b57859f4fdd19f989673604bc2e1 OP_EQUALVERIFY OP_CHECKSIG
Output
50
OP_HASH160 ba50ca10fa6d6f11c87f8503c173d9e3b77dd488 OP_EQUAL
Output
51
OP_HASH160 39074fda79754d88af97d8dc518239152ade577b OP_EQUAL
Output
52
OP_HASH160 358e1c9879acc21333a0f97d5ef7ff7b42d4a6ea OP_EQUAL
Output
53
OP_DUP OP_HASH160 40ec8b2b8048f5e9f3a4e61d26a17ecbb7430779 OP_EQUALVERIFY OP_CHECKSIG
Output
54
OP_HASH160 a840efc638b5eb455007eee33a1174e5ecd77c14 OP_EQUAL
Output
55
OP_DUP OP_HASH160 98e74ee2b761d4e345b6418020bdb89c147b6eb2 OP_EQUALVERIFY OP_CHECKSIG
Output
56
OP_HASH160 c565c6793167116c348386e41743d50a65e432b7 OP_EQUAL
Output
57
OP_DUP OP_HASH160 1e158ad4945c844cf444a373deadd02a0ada79d8 OP_EQUALVERIFY OP_CHECKSIG
Output
58
OP_HASH160 34de20bd20da83f54a3ebf2a2657410907e401f3 OP_EQUAL
Output
59
0 6a7ae68eace42f9206bf0730c8d7590138fc723f
Output
60
OP_DUP OP_HASH160 67fd61653ff802341d1c2a88fc733fde1c69108a OP_EQUALVERIFY OP_CHECKSIG
Output
61
OP_HASH160 fcbbb71db9aa6bc2074da3d24c65c085e257b4e8 OP_EQUAL
Output
62
OP_DUP OP_HASH160 5326d7c61982920a0b4bbe7a641950cf200f12ac OP_EQUALVERIFY OP_CHECKSIG
Output
63
OP_DUP OP_HASH160 8a7782e4a30332c8fdb18eacfd0759073098f025 OP_EQUALVERIFY OP_CHECKSIG
Output
64
OP_DUP OP_HASH160 eb3d5bf8189a4ad713ccca813a57f984f9bef224 OP_EQUALVERIFY OP_CHECKSIG
Output
65
OP_HASH160 ba18e5a17828082d9605cb0a5e8de09a00b8fb88 OP_EQUAL
Output
66
OP_HASH160 905999f76b352d7a7db3c2631e3125fdb0de1548 OP_EQUAL
Output
67
OP_HASH160 a7614ee0daeb468d8540c731a9db1dda34d20442 OP_EQUAL
Output
68
OP_DUP OP_HASH160 a92e92f62a677a5715d77df487c2965145cf34cb OP_EQUALVERIFY OP_CHECKSIG
Output
69
0 5a5a20605f67fff64956772b9dba339b34f525a7
Output
70
OP_HASH160 b52ccb4aa401a3c269d7164b51ee21423ae5ba7f OP_EQUAL
Output
71
OP_DUP OP_HASH160 6261536f65936bbb67c9eb3861c7b398bd045e24 OP_EQUALVERIFY OP_CHECKSIG
Output
72
OP_DUP OP_HASH160 e1d2cc440ecdc6b4d4a325e4fa16527e27a3f58a OP_EQUALVERIFY OP_CHECKSIG
Output
73
OP_HASH160 d36fc09a9443e0d36037e4ed030bfa5a8688e2c8 OP_EQUAL
Output
74
OP_DUP OP_HASH160 afa13aea0b72fbb9de058975b6865d76de229a5f OP_EQUALVERIFY OP_CHECKSIG
Output
75
OP_DUP OP_HASH160 336be5b87e51eaabdffe22ed7b09314c63d271a9 OP_EQUALVERIFY OP_CHECKSIG
Output
76
OP_DUP OP_HASH160 460c09922de7d647e22d628bee3b7fc493265167 OP_EQUALVERIFY OP_CHECKSIG
Output
77
OP_HASH160 18237d66b273be83838c00dad78bb9b68ec08793 OP_EQUAL
Output
78
OP_DUP OP_HASH160 46b38f1112aba7ed0bdef0328e7526fc0f3e8526 OP_EQUALVERIFY OP_CHECKSIG
Output
79
OP_HASH160 b693a16c210a0fe27bc21d66ff6f202a831d5154 OP_EQUAL
Output
80
OP_HASH160 838692d80c7d925126a16e0a4095d782795afa4e OP_EQUAL
Output
81
OP_HASH160 16f69a97b28953c4c29fabe022ec1d106c931f64 OP_EQUAL
Output
82
OP_HASH160 04cb9a5a60d86366c37ffeaadb792740ebccaf3d OP_EQUAL
Output
83
OP_HASH160 c4840631f7e84bd44d36f5b093ceb6360b2c0c92 OP_EQUAL
Output
84
OP_HASH160 d8fb8923ce9d82dc553be58b9ca70c984db69282 OP_EQUAL
Output
85
OP_DUP OP_HASH160 e55a6e08591b322b0b5d1fd8ba9f69e32aa7cc3b OP_EQUALVERIFY OP_CHECKSIG
Output
86
OP_DUP OP_HASH160 0eade2f315315606ac5aa1349a711a57a484a01e OP_EQUALVERIFY OP_CHECKSIG
Output
87
OP_DUP OP_HASH160 8f206ada86495d1a6e09152825ff4a916a763360 OP_EQUALVERIFY OP_CHECKSIG
Output
88
OP_HASH160 062c77036ed09e030fa168a715214494befed0cc OP_EQUAL
Output
89
OP_HASH160 cb668bcc3db950bfc7f880f9e45170df4f9d3ce5 OP_EQUAL
Output
90
OP_DUP OP_HASH160 596e4b06b36e27aef8647a57ec511e87beb9b6ab OP_EQUALVERIFY OP_CHECKSIG
Output
91
OP_HASH160 57f97102d21ed76f91872e58f1be80c113fb6e3b OP_EQUAL
Output
92
OP_DUP OP_HASH160 5b70cf0cf023f33d42b9b8da5307c2f1c57085d7 OP_EQUALVERIFY OP_CHECKSIG
Output
93
OP_HASH160 bfb141ff885e8ac9da30acb471d131191075a475 OP_EQUAL
Output
94
OP_HASH160 a6691aa26fe753deeae14b24ee1bdfaab3b5f5ab OP_EQUAL
Output
95
OP_HASH160 3e4e2b582f15578cffee964116a82c8e1323dd64 OP_EQUAL
Output
96
OP_DUP OP_HASH160 01f1c3211c24c94a661b6635a8ca30f76d5fec98 OP_EQUALVERIFY OP_CHECKSIG
Output
97
OP_DUP OP_HASH160 58109d1aaa3afd456b27e1277dac3b1f4e424ef7 OP_EQUALVERIFY OP_CHECKSIG
Output
98
OP_HASH160 55d2f43f63b131a63a1aa611245b3fe7b3c39e5b OP_EQUAL
Output
99
OP_HASH160 16ecc8c3ce55b4e2783e9405374beaf5e5a604fa OP_EQUAL
Output
100
OP_DUP OP_HASH160 52ee7fbb5007397161ceef323ccbc8abf143ea8b OP_EQUALVERIFY OP_CHECKSIG
Output
101
OP_HASH160 10ab4909caec1d0f5ad9292afc1f008f923fb1e0 OP_EQUAL
Output
102
OP_HASH160 c00245c14a322fe7a36ac6123d187c148be63e9d OP_EQUAL
Output
103
OP_DUP OP_HASH160 e7c8b6aacada1edcd1a1eb00af201ebbefe306c3 OP_EQUALVERIFY OP_CHECKSIG
Output
104
OP_HASH160 e2dd78999b5c867b1a3fb912fcc3b1a6c1608b42 OP_EQUAL
Output
105
OP_DUP OP_HASH160 51e8d91fbe53b78840d5f89041568ba837b502eb OP_EQUALVERIFY OP_CHECKSIG
Output
106
OP_DUP OP_HASH160 06d5ad025c59c0b034aaa76b975b230f14afdb43 OP_EQUALVERIFY OP_CHECKSIG
Output
107
OP_HASH160 1f6e829e72486c8402e2a90c068a70f9a6100cc2 OP_EQUAL
Output
108
OP_DUP OP_HASH160 3ea02f2a40c31b2194e7d28fda14c9d30dc08085 OP_EQUALVERIFY OP_CHECKSIG
Output
109
OP_HASH160 c2d1dccc9b8f2bc0a7f24078c7d9ff9aa8f9f10e OP_EQUAL
Output
110
OP_HASH160 28dadce057fdc59c464f3e2c9ec3b1d6625a0ddf OP_EQUAL
Output
111
OP_HASH160 80d0040938383c8ac613a02bddaa1fa699d9c75e OP_EQUAL
Output
112
OP_HASH160 6e8f2d8df85c626081f5fee14044e770654aa85c OP_EQUAL
Output
113
OP_DUP OP_HASH160 bd6e79d21b09192da260496b2a2c0f0181aaa1d6 OP_EQUALVERIFY OP_CHECKSIG
Output
114
OP_DUP OP_HASH160 a7b6571ac624ecb2f8bcd62c6a9f90b2f9906969 OP_EQUALVERIFY OP_CHECKSIG
Output
115
OP_DUP OP_HASH160 9a04cb20ae70c81a54469724b3a0d40242f3683d OP_EQUALVERIFY OP_CHECKSIG
Output
116
OP_DUP OP_HASH160 af72df5f46f1a29c33dfd642ece49ce0c9025cd5 OP_EQUALVERIFY OP_CHECKSIG
Output
117
OP_DUP OP_HASH160 2decca39a9f14f3dbab0caa93e2bd63aa5bb85e6 OP_EQUALVERIFY OP_CHECKSIG
Output
118
OP_HASH160 f66cade13ad89bb95fc727a8b2d5b8e5d588868b OP_EQUAL
Output
119
OP_DUP OP_HASH160 1d11e1d873380a52573edcba40eeddac0ebdefca OP_EQUALVERIFY OP_CHECKSIG
Output
120
OP_HASH160 10e607fa42f338ad69422aff61ad37ed0911e4ad OP_EQUAL
Output
121
OP_DUP OP_HASH160 685aa675a3eb4810e4b98c0e0102c6dce7b4411d OP_EQUALVERIFY OP_CHECKSIG
Output
122
OP_HASH160 7264e3eae1b72111758d673a5ef44aac89fcc4df OP_EQUAL
Output
123
0 18dad0bf0f4c5204bd3b14e2d2f6dfd9179accea6a5f5a7ecd844ccd3b737a72
Output
124
OP_DUP OP_HASH160 1db358c954e0761139a8a598fdc69cd9b3fe499b OP_EQUALVERIFY OP_CHECKSIG
Output
125
OP_DUP OP_HASH160 ee93b40271488ad35d727aff24a97335a0095e87 OP_EQUALVERIFY OP_CHECKSIG
Output
126
OP_DUP OP_HASH160 7933a8aea977c647ff539e4ce92ee334c975c5d5 OP_EQUALVERIFY OP_CHECKSIG
Output
127
OP_DUP OP_HASH160 a39983975fcbb7f8a37c1c2dc25aa574580ec3f1 OP_EQUALVERIFY OP_CHECKSIG
Output
128
0 66d3912ef364ddf933c50f693aaebdaab68105d4
Output
129
OP_HASH160 5f6041f32a226bb8afb29ce8985bcc8a2257c2fb OP_EQUAL