Due to the adjustment of the company's development strategy, CloverPool (formerly BTC.com) has started anew and has been fully updated to a new brand and new domain name to continue to provide high-quality services to our customers.
Transaction Hash
17184a9c70e6515dfbb0844289c26894b3c139b38097b0bc5bd2531d01ca0b4a
Summary
Height
Confirmations
101,664
Timestamp
2023-06-12 02:19:26
Size (rawtx)
6,713 Bytes
Virtual Size
6,071 Bytes
Weight
24,281
Status
Confirmed
Input
2.14949413 BTC
Output
2.14869984 BTC
Sigops
148
Fees
0.00079429 BTC
Fees Rate(BTC/kVB)
0.00013083 BTC
Other Explorers
Transaction
Input (8)2.14949413 BTC
Output (168)2.14869984 BTC
Input Scripts
P2WPKH_V0
(witness)
304402202602592830da7f21922b0791a9f1bed5b9c8443742a193c5e1dd518e0d5082670220022aaece4b1da9aa26f7f4027403010be6f82e82c6b6b88af66ddd127156c6d501
02e575b132a64c21304955440d67b7fed9c0dfded5d90f22784ab899233b0dd2c7
P2WPKH_V0
(witness)
3044022035bc493509ab7d2ab3133d4c2a3cf148c9f68ffc76e8ec64a5a9623cacee435a022072473d6cb9dcf290a7bb215327910f9f2db811b530156e053fbde5fc4fa95e2001
021aaa49613eae43b040d9c8250607a6bc35eb0d603661a3ac1563318a05d62d31
P2WPKH_V0
(witness)
3044022004e67b2b57c68edde41c308b5f0fdc2dc4aeb18af1ed3638a54f9b4135b669270220570cea1c15898a7797dc12d111ac43f61b9af0379924889bed93c9810c321ace01
03f15a7c064903b668dbfa9f248510496159d41c190f2e7653635dd6eb2276b434
P2WPKH_V0
(witness)
304402206410a0ba8874c5d20e03b15f322eaabbe0d1a4ba0e616476ca94dfa00390e7cf02200bb95070c32270cfad4585289a7222dd7fd7b5b159b12f5d80da5090aa4fdea801
021f222dfba79937cd3976e06efa44f48ddde3509728be011908e597fbedaca77d
P2WPKH_V0
(witness)
304402202b2489fb95d8fdfbc567cc21e4f6df7c5ea0f1a21c11d6685ff91ec6f464ccd902200e86f99ab2f599f66c08265a6439479a077cecd2f97f72093a13a20124a17f0201
023c41701b8e2899e63299a0727de75ff6833fe184cb5827e043110c007463994c
P2WPKH_V0
(witness)
3043021f159b7c621c4675f14ac10b1d6e171e8c34c1c440167121dbf1043ca772411b02202a6966c0bd0cb3cb59a329c56ce03b9236c2a842512e4c71a5dc3560ac97335801
0240a5f80be7a0be42f595a34361ed54c98b934ebb67ce913a497db33e97007719
P2WPKH_V0
(witness)
304402206348ef4477a54969d8574dc4a5e0f274daca10a5d962c305266b83708a4665db02202e33489a6ae83822836d79f87a834a9d18c1fe6749f98f5294cf85173f4671d801
03c929fcf940bf30cafd08243ffb089a4c23ca2b0383f9c2a6d1b5e90a5b7ada2c
P2WPKH_V0
(witness)
304402206a39de209e0b42a3cd758f3851e2bc0f5f2113318911d10551fae18818680bda022021fe685795304214e03155ea5d4fca81a6e4258445cf641c35b425c461ae743401
038b5437acebe82c9e5f596eb977932a80fec7401d79c25c311bbe426376b0cdda
Output Scripts
P2SH
OP_HASH160 c692f7a16569cc4de5f02e5637a336fc8ae85d9d OP_EQUAL
P2SH
OP_HASH160 0fb76c7448dd2a277d0a68e2cb2fb04b5d8a2756 OP_EQUAL
P2SH
OP_HASH160 fc1a8b2d187d1d82bd8ceee9ed994327b2230b23 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 28e4c221bfefe44842b6dc57f7eb8d394c6030b9 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 e170843148ea5e76e04ddd90249ec8615f3071df OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 9afdde35b86a0ca1bfa3a251a47786592879b807 OP_EQUAL
P2SH
OP_HASH160 7d08346fa6de6a9f6f047b0569c4becb511cb5ad OP_EQUAL
P2SH
OP_HASH160 ab0080df124e4845480c36abbfff06fd1ce9d913 OP_EQUAL
P2SH
OP_HASH160 6e92fbe2da07ac719a804d5cadae75074230c040 OP_EQUAL
P2WSH_V0
OP_0 39eab24433a6719fb53d882bab317c91c71f46fa6a90bf24079a2b7976427ddd
P2WPKH_V0
OP_0 03582eb84be39687e5b54bc1248bec8e6a7e983a
P2PKH
OP_DUP OP_HASH160 6db91c0e8f4baf10ec7769efb119904c6c43215a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 cd9317a005263c78b3437fc91896400af315c303 OP_EQUAL
P2SH
OP_HASH160 831a45d0541b3f5ce7eaa84a7feb8333ebce7aef OP_EQUAL
P2WPKH_V0
OP_0 01c8c5d2c742400b8b13bc15bf2a3d43d8c19bf8
P2SH
OP_HASH160 38f335baba04fede1f4c257ab580f40e62490f3d OP_EQUAL
P2SH
OP_HASH160 36b83b990c5bfaa884fe5c8b98e10c8e6f440bb8 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 bf4f00a7eb86d8575009bfcca770d86dd12b934f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 2f4237c43e19a89cca65303ea3a32cfb794efd71 OP_EQUAL
P2SH
OP_HASH160 dbe875c595c618c824e2678ace8299762c8eaef5 OP_EQUAL
P2WSH_V0
OP_0 cd1b000c1ee18d859baed6c90082c9ee08a49cb3a0ff11d2445b5db83825b5d4
P2SH
OP_HASH160 c57b43575d5b8c1fe5c42e529b956054c0a5fbea OP_EQUAL
P2SH
OP_HASH160 f7d55aeb9aa901de9117466878a49a6af6d02496 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 9c8e4461681723083de9b3fb5ffb3bd8d3bd8050 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 51a400f955048df35145a4c678f2c8faf6052619 OP_EQUAL
P2WPKH_V0
OP_0 fa6678d4a269c027eb1f3b2f5cad09db3876d5b7
P2SH
OP_HASH160 b12faa85e5a6bdddd4842f4f3b4038662ddf42da OP_EQUAL
P2SH
OP_HASH160 f11a019ba69cfcab7117c23c726c5715666542d0 OP_EQUAL
P2SH
OP_HASH160 5872d205a74cb5581769e4c7522dbc6209282c62 OP_EQUAL
P2WSH_V0
OP_0 132ca228a18a0058295683b495eb726e9ef6a2e896495f1e09dc1f343fab2966
P2WPKH_V0
OP_0 4b8a06bab2899699ee03276ac2ad496116dc7760
P2WPKH_V0
OP_0 783f1b74c152e848e7ed3bd0a6373a4d5369bcca
P2PKH
OP_DUP OP_HASH160 8a3525180c0f789f1005de491e5b77006240c564 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 c42aa144c6c7c8dccc90248c19fae437cc1c6770
P2SH
OP_HASH160 b20b350985b0c194a0362afebe3399fadaed68bc OP_EQUAL
P2PKH
OP_DUP OP_HASH160 cf305acc867ef7d54c2b720b1234cb056ccbb57f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 13b5a9d9055febe5d0bb0ae4d8b2302b9344db84 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 9cf7b2e98e7ffaa3ebbd072e3648104f5248afd7 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 4a4920bca05548b60dce3eee7a000005cfa46db1
P2PKH
OP_DUP OP_HASH160 4cd0cb4fb9b9b2d4935ddd2827f5df75674d7694 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6c9620f1613e8789da49e3915ff7ca6e5770c190 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 193824ff8eb915b4f3d85a7dba22cb42dcf34e02 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 6705c1aa87133d04a25d222c9b8f7be3c1c07a99c423b2dd383bc940df5d2c3f
P2SH
OP_HASH160 6eb4e56cc54159ce19d2f00d69bfb0b2c80fd473 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b8f914938d4787b392737e99a9efb060dca88506 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 4b671915e1c135d9a2730068364aeefdf12ad39de29b388e9a9e87b27df0cd5a
P2SH
OP_HASH160 ec9da243afee4bfdbe9f7555d9867ee0b82457f0 OP_EQUAL
P2SH
OP_HASH160 3d937080d7ec32445f67f19b82cb1e334222435c OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b8e21db65160d607cf71527a91b32676a13163e4 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 0585e29f83780785d930fe7703b51c8531b7e8bf OP_EQUAL
P2PKH
OP_DUP OP_HASH160 f446a575b3eca6b356a4fb5fc9de0ee049bfaf92 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 878c2108cd8ce388559663a757a39dd52c7c5480
P2SH
OP_HASH160 9b001fc5c977edaf570a6c71b185a25b27204f9e OP_EQUAL
P2WPKH_V0
OP_0 e0f1f34a5b60ba4285f4815072640421d683d285
P2WPKH_V0
OP_0 b10f57290350ae549d4de7ea032e14a05e104491
P2PKH
OP_DUP OP_HASH160 6dd75abf16fd6d4ff28d98493ba90c5a00e2b8ad OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 9713c655f54259b1b9537c4603450a56b566729a
P2SH
OP_HASH160 276696c458d5e1bd06f0a227dc7e8833f57b5941 OP_EQUAL
P2WPKH_V0
OP_0 28f480293b10c7f87076a9aede1b38a632ec772b
P2WPKH_V0
OP_0 3b2192aaf8d95a6ac3618d91fd0d9a464522bed9
P2SH
OP_HASH160 9c1db163c28fab9e094ca677d0c15e987413a084 OP_EQUAL
P2SH
OP_HASH160 704911eb0bbc2020011e1b58d9a053876abb635c OP_EQUAL
P2SH
OP_HASH160 fbee586cacff6599076bafb2d96e52f6cc4660b2 OP_EQUAL
P2SH
OP_HASH160 aca18252ebbe24d7b50a13e55b3cf878c42cb37e OP_EQUAL
P2SH
OP_HASH160 d1bd9c2e2061d44231b5dc1981a7739a9021fa63 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 6480ee26b6bb7d2f5fcb466644beca49f636d441 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 32ea2912ad68d160462454ab5df230494e346258 OP_EQUAL
P2WPKH_V0
OP_0 db26f3b684ba8ab75cb56e51b6a790ac544ad432
P2PKH
OP_DUP OP_HASH160 23b697d7f859f6621deccb17635bfa7d0a17dda2 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 698c6f9cfb6901202f56da1fc468440f8fd5050a OP_EQUAL
P2SH
OP_HASH160 43ae55af3d7f3061606b5ccce12085ef96418aab OP_EQUAL
P2SH
OP_HASH160 ccf11e24613215cf63ae124fa45d2c17b3884295 OP_EQUAL
P2WSH_V0
OP_0 910f3fcdaa3075b4c50910bec036c15cb4bd251cd27da74fd38317ccd006015d
P2WPKH_V0
OP_0 e82c55e0cd0f3686ef344fbc7a495086ce9da7e3
P2WSH_V0
OP_0 88c14002a839f3d775adb895aa78ec114c5c48c5f9a9f323b10a37ac41585a83
P2WPKH_V0
OP_0 3396ce902664250a813b14b00773165499840fbf
P2PKH
OP_DUP OP_HASH160 d22784fd562899f3a2144f700524692998d23305 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 10283abe899683f6d38bec4b6a01b2a939b0fa16 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 87bbb0363cabea97870f114fe442a33b8cfe45ea OP_EQUAL
P2WPKH_V0
OP_0 58e9ca49faafbf1b0f9b67dcc9cf66e24762e4a8
P2SH
OP_HASH160 a18b981d07a1cd7641d77d75f84ab90148cee2f0 OP_EQUAL
P2SH
OP_HASH160 34005ae8889d8959c617a38b682bf3b17bef9eb8 OP_EQUAL
P2SH
OP_HASH160 19db996abd68f91fcbe6a284bfd2c143a2656733 OP_EQUAL
P2WSH_V0
OP_0 89b846dd6ca8ca10eb340b57c3cec22df6d1adf45c81917763520519ea947f8f
P2WSH_V0
OP_0 a342c22e837970411618473684bd5ca4f38eb8d6e3d381d6311a5fb91ce25cca
P2SH
OP_HASH160 7270026edb02e5e1aa2aada5f8f0370e13681ccc OP_EQUAL
P2SH
OP_HASH160 8fb9be21234796b5284da5e22cfeb539a3a4bbfb OP_EQUAL
P2SH
OP_HASH160 f329a5f0f7166b0d844b7dc85d09f11b1934d78c OP_EQUAL
P2WPKH_V0
OP_0 a139ac4ebe3273127b31a0bcbaef143c9ee0034e
P2SH
OP_HASH160 9e8ddc0f100da9642f9d1040b03dca3f290bd87a OP_EQUAL
P2SH
OP_HASH160 aa4f72587b449eb6696929d56d9972ba14c7bd8a OP_EQUAL
P2SH
OP_HASH160 6ed7eeed3eedf4718bc8dc0d411cacc3069cca12 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 12d3f2460628766ca19cf0194859085f203d14f6 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 d39d6f7d574cc9a378fbbdb95eecb8891e37d9b8 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 8ac8ec9692104dbbea40ea2507f78735b2506a9d OP_EQUAL
P2SH
OP_HASH160 8d132135f1e5d872a9c7851c1be5c7408c0bac8f OP_EQUAL
P2SH
OP_HASH160 c628a8229e5131bf1ad1ff063c7968d57ffff5f0 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 74ee341e2e5418d87e8b2d107ecb6ecc708cd794 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 13e56f8bfceb5db186750539eb047237ecbb5e31
P2WPKH_V0
OP_0 da5fe682678b7f26cfc100369472a6dc114a6dab
P2SH
OP_HASH160 4c4e2e98940dfa4919a18938b458c7be51e300b4 OP_EQUAL
P2WPKH_V0
OP_0 62638525d78723edb3950ab7f903e02d75d506fd
P2WPKH_V0
OP_0 f5e5c2eb0fe9919d98d43ba51a437710ab576ab0
P2SH
OP_HASH160 665332fd9e196623a45487d1b7c3802aa0fdf3c3 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 ed5fce516425c7c7739608c0d4715c655c1fd493 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 ca896c09483bf955df7fd8bba27cfbd3dd7d1db7 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 ecfc389b014abc3304373b8fa0c90ca999be085b OP_EQUAL
P2SH
OP_HASH160 5b041dd4376fed5bd333b3459e45f299f8f88c08 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 c2eac85fa2e783a841dd740b5c07915c66522617 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 270f800566c3cd71c9ac7e1b3019247e09869688
P2WPKH_V0
OP_0 5a8859ae62f3d93f21703349384970f0092fc7c5
P2WPKH_V0
OP_0 27f11d74a53bf1453ce73d29b10e03e4b4e0bf01
P2PKH
OP_DUP OP_HASH160 bdfadb32fd0a660a337945acacdabfe76d3509e4 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 f3eb8a3e470d4ca0fdbdc980ae990d1be2edd7ef OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 3c70b7902e30c80f096581dc23fcd5f6a91147de OP_EQUAL
P2SH
OP_HASH160 b74edefc4a4cc926bf26751adf59b2ba336f9a24 OP_EQUAL
P2WPKH_V0
OP_0 37f00ea08a9345219da7e64626ffe2174ad8d48e
P2SH
OP_HASH160 f49eee30c3dc1fe718f6f241bc383beef215d6c9 OP_EQUAL
P2WPKH_V0
OP_0 854e65c1bace2bb20ae7c49ed376126d7faa3bf6
P2WPKH_V0
OP_0 39345cfa13393f240a01465d9f36887e4ed6d455
P2SH
OP_HASH160 ef7b7a67a91689e281ed6cc44af593316e2cf93f OP_EQUAL
P2WPKH_V0
OP_0 f138fe8f4cc4576ab5a59cf50cf9148d916d0dcd
P2SH
OP_HASH160 7d921235809ad86c3395f978ae0bc7cd057d537d OP_EQUAL
P2PKH
OP_DUP OP_HASH160 bcd7fb28bd09cdd3688037ba3c6ff7d265f4a369 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b499e83334f3c288d91a8700936f664402747712 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 2fe3cb25b7eb9d3bd878fd6c2b0f73f5b31f2898 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 40868212c11f749cd594aa9a25d603c04ceca41e OP_EQUAL
P2WPKH_V0
OP_0 b12ce61c0f99114b90e2e92b2506fe4c5c90d122
P2PKH
OP_DUP OP_HASH160 ac4cb714c510fd869d627559b2317e3d7fd84094 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6b0eb87aebe0bff295e5f70102b1eaf63bf495b8 OP_EQUAL
P2SH
OP_HASH160 826701bfd5265ce65652137d39989ae200d98d4b OP_EQUAL
P2WPKH_V0
OP_0 87820dc931e966af3ca02cd459ec9568fb20be1b
P2SH
OP_HASH160 af1d1bd0cdc7570f84e966c49a11dbb6b2283b63 OP_EQUAL
P2SH
OP_HASH160 b077825336a74bf9089380e57626b760e5a22bd1 OP_EQUAL
P2WSH_V0
OP_0 aad13fdd006d16d065ef5a7e934db89d928643e8bd0778b5e7b1b866357f6026
P2SH
OP_HASH160 df3a292e028bbaa169fbaad316c07b0110ae315a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 19b4eca50a525917c1d8015d7eb20023c8137837 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 8f578a928d4ffd053bc58977dbabbd311fd92730 OP_EQUAL
P2SH
OP_HASH160 08a0d94d442d053aa3d534f830ee275a7ac487c6 OP_EQUAL
P2WPKH_V0
OP_0 15d8338ae3264b7f0e86a0eb797a67a2744d1f85
P2SH
OP_HASH160 85d8d905b1726d95d085fcab6e6bd14659d150dd OP_EQUAL
P2SH
OP_HASH160 7b89df54aa77f339657635e672422a83ef2452c0 OP_EQUAL
P2SH
OP_HASH160 ba9ab4b1a379bdc275c5bd8e5c94c943da0986ed OP_EQUAL
P2PKH
OP_DUP OP_HASH160 e9459a24f46695e6621715665b407d26982cadfc OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 c9abba4e2834dacb34c5147c44f61f73bd0505a3
P2PKH
OP_DUP OP_HASH160 8ae1a6d50b66dcd8e95562392b87acc48850ac2e OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e7f64cb44408b6f6034dea434112b42d1282d045 OP_EQUAL
P2SH
OP_HASH160 e31530aba33ae11434bfeeef563371150bfac823 OP_EQUAL
P2WPKH_V0
OP_0 0b82a708cccdbff63687d404a2b89ef94f736651
P2SH
OP_HASH160 0506f33cb1e78a7d6af460ab63652e2f0a1eb0dc OP_EQUAL
P2PKH
OP_DUP OP_HASH160 ccac3f7774255c5689d92cf8e6a0c9fac9953b4f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 32977834d37cbf2833e40916388b640af1367d8e
P2PKH
OP_DUP OP_HASH160 6c4af78d6997076801f3c39735d587abbd013e8f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 f82503112f8d7fd6459b90ed5b0f5efe76f95be2
P2SH
OP_HASH160 106d503bd6815b6438cd10202010d65eed10a586 OP_EQUAL
P2WPKH_V0
OP_0 fb163ea114d8664d78be31bf76549b391b0b578d
P2SH
OP_HASH160 edac8f4b807e880def81b906117fad918c717a8e OP_EQUAL
P2SH
OP_HASH160 5f7001a99ebd6492831b701e831ea2e84ce580d4 OP_EQUAL
P2SH
OP_HASH160 b78f520d321dde54a4d2ffd80d43f298de63760b OP_EQUAL
P2WPKH_V0
OP_0 10a94f826cf42da61f5fd4c9621b5576e2d0bf4e
P2SH
OP_HASH160 06c17340c2d1a34fde92041dd460a257ebc5decb OP_EQUAL
P2SH
OP_HASH160 5d65e387d3b5bcbdba630c18c489c3727c82f5ba OP_EQUAL
P2SH
OP_HASH160 e2693e2c4556a3697930059e74ab5c6caf4106b5 OP_EQUAL
P2SH
OP_HASH160 a66b5479ccef21f2f70e6d1ca10582075125c0aa OP_EQUAL
P2SH
OP_HASH160 07bce340e818a441cccc40f03c483013c2434aa5 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a2f3be3f34916a71d5644cf86d4cadf0442088dc OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 079697bd9167333d375c1fae7e7367e3323a7d11 OP_EQUAL
P2SH
OP_HASH160 70c7fe2d89c511ad545479851eb05cb6a302b001 OP_EQUAL