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
42fce887cc04bb32ca5f48cf982fdd9587bcd4ff747491a3d97310176af91e45
Summary
Height
Confirmations
42,423
Timestamp
2024-01-25 17:13:33
Size (rawtx)
6,416 Bytes
Virtual Size
6,254 Bytes
Weight
25,016
Status
Confirmed
Input
2.59745132 BTC
Output
2.59545210 BTC
Sigops
186
Fees
0.00199922 BTC
Fees Rate(BTC/kVB)
0.00031967 BTC
Other Explorers
Transaction
Input (2)2.59745132 BTC
Output (189)2.59545210 BTC
Input Scripts
P2WPKH_V0
(witness)
3044022063f8626c188f1329c72cedffd51c53f59a5761a4bc7812dba751d49233817f04022047267b202c42d1dd1697f8723475669a1b9e74a5c15650b7aa3621a382b0e72d01
039b70e6ebb9fa95bedacad7ec2ff8fd787266771cfd706dd2b66e30f6609d6d6f
P2WPKH_V0
(witness)
304402206dcabb5af10b87fa0044af80fc5833b0e2f0574accbc88276667cf5b9ccf1601022074df27c81cf3ab05af48725edfcbdfa0916e8435e3f78fac706a1c72abadd56a01
0256b1908353628234604fefc1a9d1741561f31d4924b3c75bf4ce8cb2eebaddee
Output Scripts
P2WPKH_V0
OP_0 a2b9fd8ab1bd89635aa29f997724c329b0f012e6
P2PKH
OP_DUP OP_HASH160 8e3f36dcf214866b5a1d9e43704586043f0bf7c0 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 9ee5fa8e605b7b1045f36af93d4ec075d15d9cc7 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 441edf3e33867cafac95435c57db5e8e6c6e2747f660a7198829092ee53f2252
P2WPKH_V0
OP_0 7a17b8ec6abbb8b113812a47417e9a3c0ac3517c
P2SH
OP_HASH160 c62fcb64cdd64a1030672f72dd2f8cb06e6dd96c OP_EQUAL
P2PKH
OP_DUP OP_HASH160 9613190cd57c21fd83aa6dfa614798edbc499c55 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 4a0988844a5f54883ba527fea6d103a135eb59d3 OP_EQUAL
P2SH
OP_HASH160 2346b70bf6d34c296f27f2d78e1d4da120818ca2 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 560e75458e291259ba6957663da854a691d20888 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8833b442d7c5ab2fb4c67c0a6e42cd97c1cac8bb
P2PKH
OP_DUP OP_HASH160 b89c8652f230d84d644380bedda8a59f6d73d60d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 a4d2c6c5e23836c9374d02e7b6314b70a2b56474
P2PKH
OP_DUP OP_HASH160 c6a8b1855a876db9783756ca3bda230c3e707308 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 497fb10f6565f1f8d081435d17a00254e04a0607
P2WPKH_V0
OP_0 940159ca51f7e9fb9a3f2fbe0b1b471df43476a2
P2PKH
OP_DUP OP_HASH160 90d62d63d28ed85ddef51aaf8ed534dc68fbf8cc OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 a6fa2c985428e41756ada8037f988d96299b920b OP_EQUAL
P2SH
OP_HASH160 9c9af7acc7636a9a4df1e5c83e76945049e65ae0 OP_EQUAL
P2WPKH_V0
OP_0 452cbccdee30ed0b3bfb145818afdb09d17aa1b2
P2SH
OP_HASH160 5c79c684bc9da17402647eec131218ae2affa745 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 fe040d082ecee2eba9373a5894b580955bbe2ec8 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8e22c8eee52e89f424576bb6236e55158813b3ab
P2PKH
OP_DUP OP_HASH160 00e4b2d6590b12aaafe2036537b38ff81fc37a5f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 ab57566f40c6d215103bfaad93bae56ff367efb4
P2WPKH_V0
OP_0 c840e4fd1d62b8cfbbe83514a2c71f6ef06bee72
P2PKH
OP_DUP OP_HASH160 a5b0ba473ff9e64f994e8da301b14574bbfdf2ce OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 e2ada2a606b8cdcf917c46e36c4f9c37acbf1849 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 27d2790641e8804143e8cddb3f53946e9c7d3806 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 8d8ce1fa2d6889856770854b3d980222ee59de8a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 aeafd50570fc1658e1030dab098cbc47d464a140 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 ef2c0d5daf4c248b43fc3b1f13e7a92ec048d230
P2PKH
OP_DUP OP_HASH160 498b13fc866f5110eede9621fa634a5e0d3657c6 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 09dcdc273dc3ecd0d75ef3cfc8fdcec1945094c9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 47c439341b1b9e77f476dc2656d55c98ae0aaf64
P2WPKH_V0
OP_0 0d2d2ca2910367c04c08906a4a76f88a35fcd963
P2SH
OP_HASH160 c047f43ee465a17861f1069b031bdecdaf7da008 OP_EQUAL
P2WPKH_V0
OP_0 4293e60cc1944a864b9fefd34c9e1d88df99507e
P2WPKH_V0
OP_0 424e6947dec63b7ab3a6443af5da06a79797410d
P2SH
OP_HASH160 5f56f2095aae782782e06e54e66303afd2d18205 OP_EQUAL
P2WPKH_V0
OP_0 2adce8df17560b35cc467597ab6a6d23c379585e
P2WPKH_V0
OP_0 28ff2f205df139f15b1518c136a5b6cb6a4809b5
P2WPKH_V0
OP_0 a5d8afd20755829042af8c67ee591a84ab8d9495
P2WPKH_V0
OP_0 44b19543b327c9139856cfc59ee97fa15a955121
P2SH
OP_HASH160 efdc9ceb4180a396201e427d3621d235515430b9 OP_EQUAL
P2WPKH_V0
OP_0 9e93fba7254d693293a1b4066ec7fc0eb76cfda1
P2PKH
OP_DUP OP_HASH160 c3a4dc7081ba17d236a9959cca56116bd4cad04a OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 20292824989e0dcd8c19151a68faf619640d032d
P2WPKH_V0
OP_0 c775b93c570164a75de4eb67bf41b952ae4a6817
P2WPKH_V0
OP_0 d7687e01cfa2ef91fd2c6a5e3cde0c77ae79a751
P2WPKH_V0
OP_0 4ef07721e16c75bbf3e7b9b8f45c23d9f0a67bba
P2PKH
OP_DUP OP_HASH160 24e537acb4b0cca65b398dc2905c6f7b291badb5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cf118fc4928e06c7ce34f9b375a11e0205e1543d
P2WPKH_V0
OP_0 f48cbe45bf4f53c983a9f9afd842d21e61156af9
P2PKH
OP_DUP OP_HASH160 6cd878e0cefac7dd9075ad1c35b791e947d6beaf OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 666e42a44d946bd293692f17a7e127b43fb39313 OP_EQUAL
P2SH
OP_HASH160 bb0573bfc953d0ebbd9167233663b0dbecc979cb OP_EQUAL
P2WPKH_V0
OP_0 9eb3f92ded20a1c39aa99ec5800772e9fa86c05e
P2SH
OP_HASH160 f71216384625f54c7627bb71c44dd93b554e11cd OP_EQUAL
P2WPKH_V0
OP_0 d012c13ecdff116f36c91e7ab5132d88b6c57c4a
P2WPKH_V0
OP_0 144271825bd226ee4c74e2059f4b7e75946960c3
P2WPKH_V0
OP_0 a5393449b139edcb016876ddf1689e7389a1bffe
P2WPKH_V0
OP_0 4327894b25aae8decb6656932c811e27f6c92ddb
P2WPKH_V0
OP_0 c05cb84cef06fe1096e12808c202ed2c58f59417
P2WPKH_V0
OP_0 e669744fd1336aa51458a025003d54c4eeb2bc1f
P2WPKH_V0
OP_0 f84f106cd2e5633d85933dbd94f3adea81245ec4
P2PKH
OP_DUP OP_HASH160 49e046bc68b6041b7e3b44bd16f0f5660588ab57 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 a0efd0a219efbf87f77c9787d8fccabf1d308c8c
P2WPKH_V0
OP_0 40b88f9d57ab97af392eaae276716a30e93cca22
P2WSH_V0
OP_0 47048ad3678293b97af2d994175fc9612f60e94582eaa7cd2e1e2c804ebc430b
P2WPKH_V0
OP_0 eb512c3b21608bbe3fe15b3ed3706b9d0576dd57
P2PKH
OP_DUP OP_HASH160 5491e6842c218f539d56189a076da37f11611bc0 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 1876b750f8cc6991d3d08545e0d294b0b88949358deb3b8af6b16c0ca6e7fd1c
P2WPKH_V0
OP_0 c7440f38d41660270f7311fc785a5e9629e7d95d
P2SH
OP_HASH160 fe6365ae71d010eb9eeeefe599914933457fa8f4 OP_EQUAL
P2SH
OP_HASH160 4c05498ee47fe58f93a48e84eca3f191db805337 OP_EQUAL
P2WPKH_V0
OP_0 bd852ec9ecbfc1c23d68b767f4683811e653acab
P2WSH_V0
OP_0 8c46873eb57a9e3ef5826240dfdaaa078b5cef8ec909bb92104369ecdca7cb64
P2PKH
OP_DUP OP_HASH160 82fed0d65e64b1aa8b40e80aac72ea5d5ac473e5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 1a4de25f8dc72e77bccea54f02dd155f169e940d
P2WPKH_V0
OP_0 7b0c5de45aa5dcffdeb20c96b84b51a0819a5984
P2WPKH_V0
OP_0 192df59a93f9a097391cbc22944952cd77168ff8
P2SH
OP_HASH160 136e6cf148b59c2df298364729a34539f3b8e409 OP_EQUAL
P2SH
OP_HASH160 6ec5265a1663ff64d2dc6313f3df6edc86a44173 OP_EQUAL
P2SH
OP_HASH160 e7a2820b47d079db662e819d6c775c4dce874c22 OP_EQUAL
P2WPKH_V0
OP_0 77b24f0eab7fdd6f77f00ed7ed2a5e495f39aba7
P2SH
OP_HASH160 b368a963379c0a31fc7de11d3ec95022b17c9a5e OP_EQUAL
P2WPKH_V0
OP_0 af6731ddc195e0e510ab22c09e47248efd78fc62
P2SH
OP_HASH160 cf12a466676738c7138f3d187c2c1f9f59bc4517 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 58f3b57c4d5b13d46c2270ff266e5dc978f09727 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 d918a09ab7d2af3fb4b08c7dee07f5fa55d738e3
P2WPKH_V0
OP_0 6ec5e96fb93943d319b77ec4b4d69cbb5d1fb953
P2PKH
OP_DUP OP_HASH160 8c75e749291f70093130cef2b0dc5b785615f223 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 91d28e68124e2c345ef058b124aa4ca6ad63d964 OP_EQUAL
P2WPKH_V0
OP_0 04dd371268de461f9c3b1614657b48de5a3fcdee
P2WPKH_V0
OP_0 2e9cfa7985a5c2ef4d1fdd6fc78c188022ea4c5e
P2SH
OP_HASH160 48b85bc0e1bdbcd485a5b26b92a54bce92b51165 OP_EQUAL
P2WSH_V0
OP_0 f2ceaf7c1cca874986009a54155c9038884b7604424a32441dee9a8f4aa3a657
P2SH
OP_HASH160 9354d85d401a4947fccd69a52fa5bc8056e7c21b OP_EQUAL
P2SH
OP_HASH160 f59023a62a360fce6fe800e8ec3618f4cee583be OP_EQUAL
P2SH
OP_HASH160 d79266019c54463d9df41fb0d591612162fbdddf OP_EQUAL
P2WPKH_V0
OP_0 6da1eb31e05e6aec6d740a0c476638db311ac979
P2WPKH_V0
OP_0 7a122a9606ea44b24964bcd0340cc700e3f0f63d
P2PKH
OP_DUP OP_HASH160 6cd805c615b1f0f5871051767a23942a8fb5ad21 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 372874d150298f76d8ff7fddec22996fbf65e030 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 1ce4571d803a2d5a86e64bfc16e5ea4d203aae2f OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 f770645f153110ae03c8fec0287072009ea2ba0a OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e0386e4b668724abf182ef64459cee9e6e78b9c7
P2SH
OP_HASH160 cb36b0c9376d0f4355696dbeef3baab5bebe1de0 OP_EQUAL
P2WPKH_V0
OP_0 065245b2e55cd0eea3803e37f2efbbf90e4a66cf
P2WPKH_V0
OP_0 b57a10b5e6521bcaad036f518daad2262d0d8fde
P2PKH
OP_DUP OP_HASH160 3b07ae1def3faf41fdd6d34722e9fc9f6bc4b6e7 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 1a211d2d89c0aa78b04197875fc6abbd378621ca OP_EQUAL
P2WPKH_V0
OP_0 aa7408f018aa990c987aca94896650ae66a59399
P2WPKH_V0
OP_0 fdf1b47e12cbd98be699d1571b71d45a710b2b6c
P2PKH
OP_DUP OP_HASH160 35a55ea9a027559f48f52bb25566cb88575151e5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 0317e37bde78d78eaa126ef497430081c57d2927
P2WPKH_V0
OP_0 d8495a3638c17a418abcdd9cda2546db47560d9c
P2WPKH_V0
OP_0 587a672bfb200cf66cafb9e3327b331b541664c1
P2WPKH_V0
OP_0 b62457c3fb3ee9fad5cde6be34b895568bc40534
P2WPKH_V0
OP_0 71862fbc69c76b05a704d5323160730c1fca9443
P2WPKH_V0
OP_0 be941fddfa44c389cb93b926faa2d1d525529dad
P2PKH
OP_DUP OP_HASH160 1b7d27fef4a12f5ded28a7ee58a3998fb26320d3 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 84e5130f9d53f77799974ba4c9052fbac818320b OP_EQUAL
P2SH
OP_HASH160 4dd2007f9d60a815285b06423c1ce6947d4c0693 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a7f279c6b0f744dd24198106d155d733938551bd OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 59ca71bc89b14faba7358a8bf058529651b201a5117a7b94e04214f12d1330fb
P2SH
OP_HASH160 1ab7aa6d294d9c8a76043c43c5f5cf69e532742a OP_EQUAL
P2SH
OP_HASH160 7035d8b35eb49fe3123475ee4a6dca62439342d1 OP_EQUAL
P2WPKH_V0
OP_0 aa2faf1df9e6269bceb759cf293c65cdf14f9a97
P2WPKH_V0
OP_0 a5d88b00871c68a340006b12c4569b9a48f4c87a
P2WPKH_V0
OP_0 02c0a2b0112ff22322a885ec797542498892bf79
P2WPKH_V0
OP_0 213b374f47d0de1b2dc397d1b73254415ec39e8e
P2PKH
OP_DUP OP_HASH160 521eda1341bc80eff36f95cfa708e80fe72cd715 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b7e3683a2d19d4f8f67e747f1c7f7214bef51a85
P2WPKH_V0
OP_0 88ef3abf83cbd057beabad2c89599ba3bff31a9a
P2WPKH_V0
OP_0 100975c8e8c74ba1fff6daa5295bcb8d2c177a47
P2WPKH_V0
OP_0 0710fd3e0aea1228dd8a25c6c3f6e7b021ef1da8
P2SH
OP_HASH160 edb6335741e1e06355262599c17de0f3eabfe5f4 OP_EQUAL
P2WPKH_V0
OP_0 f4d242b43b983866e46fcbaff8ae9d91c8a281f4
P2WPKH_V0
OP_0 5848c22e1cc27109739fd147d2d3a2fd7984ef61
P2SH
OP_HASH160 d0da292e3479483b51dcbf9271a88671cacb4009 OP_EQUAL
P2WPKH_V0
OP_0 aeb2a7cf035bf59c5656b8a984f5aaca1900a014
P2WPKH_V0
OP_0 3624ee8326d3698f287e0da5958d7d39a8f686d0
P2WPKH_V0
OP_0 3f30fe57eb760dceec60ab217dfe25ee3aa55ea1
P2WPKH_V0
OP_0 8b08c50b81a99c80b10df8c24786ffcd1e997594
P2WPKH_V0
OP_0 bffec8ba1788e2e075ef628594780121a08cbf64
P2PKH
OP_DUP OP_HASH160 00a70c810f76b6e3bce91b03fe661a30120b7315 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8b6d6a8b1a05a7baf89344ed28d378698362dcc2
P2PKH
OP_DUP OP_HASH160 8d4a3601fb6145599f637f20d6ed6f040bf3fc24 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 af66d0a1c511d6622dbc2dfc947a08f24aaab78a
P2PKH
OP_DUP OP_HASH160 1f63a1a6f5e0320e34d3b04b87dd080dcd6742fb OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 790018bd7c9afb27372a1fd58a76451925c44d24 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 9e2681006efaeb76404b6574180fd7060001bdb5
P2PKH
OP_DUP OP_HASH160 ed169ead0bdc62368b2c7adda30457bab76a657f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e3d1029a15740c95d631e3759489af2f93cc28d9
P2PKH
OP_DUP OP_HASH160 3c1ec38fdf40be4f27e839d30c23a6fedb2d8068 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 ea3c4cceed7cfe998f4d9049d6fd403cfe6d9af4
P2WPKH_V0
OP_0 134f9065f1e1a6816b1c49edb519c33c9e3c63a0
P2PKH
OP_DUP OP_HASH160 c5afac491a1ce40f32a60b60ba0eba9c3d16457c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 69583bf856add1bfffe978a6ed855c8036941684
P2WPKH_V0
OP_0 25a8dce1258dd32cdbb4737c0d068ebc83eb8287
P2WPKH_V0
OP_0 2e953161808e81627a09b4d128671d8abe1b03d3
P2WPKH_V0
OP_0 6ffd10a298b2c46492b6e1a21dc39a1e86e62bc0
P2WPKH_V0
OP_0 42a9edd8dbc7e758f1ffdf39f345481cc3489ec2
P2SH
OP_HASH160 a772aa818b35317e95f3506c0cb1f3fe6ba58ce3 OP_EQUAL
P2WPKH_V0
OP_0 df201e02c70685ee24429005679bddb5c4a7a11a
P2WPKH_V0
OP_0 0c8039fd4d0175990d788ce9fdc73334f12a68fc
P2PKH
OP_DUP OP_HASH160 8c09ef94dcb63cc9edae52bc94b8c17b107211ce OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 14d89e184a42026cf9778a8a502df308920ddc83
P2PKH
OP_DUP OP_HASH160 b6994c09e6bed7a1a3b1a8bb82e72f578af881f7 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 d27e2ae54c5f4b1c6325d041902d45ae2bb54444
P2PKH
OP_DUP OP_HASH160 a9d951e28f0215f6bb50b6c178b67e46ca58ac41 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 498ffd313b8ed195038f04fea301900ba8da2cbb
P2WPKH_V0
OP_0 4e602a07418db9e06a5ec001cf96c156d271f9e0
P2WPKH_V0
OP_0 62c004bc750eaa04412bd9e41f81e7562d890ba4
P2PKH
OP_DUP OP_HASH160 bc8634e8629ca960eca4b5d58df7cb888862c344 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 3022b67b64eca95959380212d5b0de230b7f56c3 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b50bc0481aab7f9661a8d84aaf5b2ff08fc634f7 OP_EQUAL
P2WPKH_V0
OP_0 8ceaa465093172a34c7a813bfcc707e56467fca6
P2WPKH_V0
OP_0 37ca036d9df274361f388f0dad8cb663aae10952
P2WPKH_V0
OP_0 69df2494aea582d8e8b776f07f6cac5123863441
P2PKH
OP_DUP OP_HASH160 f82895c7273cc1b6c41a06f2687798d2ad097020 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 8439422589211e7d4ed1e81cfdf2913f01a008c9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 e682633f37d040e99c0a49e77b1ed74683366cd3
P2PKH
OP_DUP OP_HASH160 47cb55432613adeef02709214ca4e3989b51bbcb OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e22ffc81e6857ab97d16d704f9650eb4dae71518 OP_EQUAL
P2SH
OP_HASH160 cfb23f57ff0be11f21c29d6aa824d575e4debf8e OP_EQUAL
P2SH
OP_HASH160 133091f03804e3e7ee035dfef8448789c60accf7 OP_EQUAL