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
09b5efdd2bff3cb01edccc889053a008be64ddbe40c03d3543fe87fdc0db24b1
Summary
Height
Confirmations
157,057
Timestamp
2022-03-13 00:02:13
Size (rawtx)
6,355 Bytes
Virtual Size
6,193 Bytes
Weight
24,772
Status
Confirmed
Input
1.67898676 BTC
Output
1.67892420 BTC
Sigops
150
Fees
0.00006256 BTC
Fees Rate(BTC/kVB)
0.00001010 BTC
Other Explorers
Transaction
Input (2)1.67898676 BTC
Output (185)1.67892420 BTC
Input Scripts
P2WPKH_V0
(witness)
304402206f46a30882ba189fbc7508202dfac808270405531d9da0f796ae9ca41b13235502206b0054ba6c8053e9647648ab7671a5621479d2545bb3d9f0300e1484d2ec5c8101
0280226b08f85d1156a3ba2175dda5458911064cfe85671db068680652d584e3b5
P2WPKH_V0
(witness)
30440220104981bc5f5eda515f75f7e784a489ce3e2cea988a2f9e9f3a9f75f5ed2bd1dd022017008d008a06b01824319ab844701ef2b3b7c35550ad0018fb7844a0d69bbe1701
02494d4e9ced9c680f2ff1535d2106f436401e551cc4d5bb88cde7baa2c3b23384
Output Scripts
P2SH
OP_HASH160 30a16cf19211ed32948aea395a9daac3d925c411 OP_EQUAL
P2SH
OP_HASH160 822432259aa3ed326a7bfcc1ea81de280b0c1f3a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 494ed248fd21eef4d0cdd877f399ab6fe27a8e2f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 c8b093453ab3746eae4ad85b33f4ae0786005007 OP_EQUAL
P2WPKH_V0
OP_0 5c3411011e5ddc517469a87c68b756f00f0f2b09
P2SH
OP_HASH160 27159ce505f92d844ace4102c88f0c7e5bc28476 OP_EQUAL
P2SH
OP_HASH160 cc79c3dc00408047ac933a2e1023629de7aae4c2 OP_EQUAL
P2WPKH_V0
OP_0 bafa844f15eb806607e645cb1d5746c0015672bf
P2PKH
OP_DUP OP_HASH160 d619fb56531697eba45bd6a1c8340b3d0eb902b9 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 1a85d5dbebce9e132e9dacde120cdbad542a6984 OP_EQUAL
P2SH
OP_HASH160 ec1c42beca839e1b201ab329f1ba7a6a088a6387 OP_EQUAL
P2SH
OP_HASH160 7324ae46012610cdd2365929450653457bc6b2b9 OP_EQUAL
P2WPKH_V0
OP_0 bb547e74eb1cc43500d4aceb8d14d9ebe21561ae
P2SH
OP_HASH160 b34862e16e96e217c81821faaf3653f0c53fca1c OP_EQUAL
P2SH
OP_HASH160 ddb87e5513a573d9771dfe14f3abe75b20988267 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 dede2d997cba6708258a90bf122fb1c46b50caa6 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 57cb90b00aea11e87c16377f028c224a4e14198f9a90d3460dcca2a29978e56e
P2WPKH_V0
OP_0 709a56154ec7d35e0c690a6943c97be579672a56
P2SH
OP_HASH160 6a6c427c3c4c2c2ded0f28355d26b93a4a2cd6d3 OP_EQUAL
P2WPKH_V0
OP_0 c4976132032eab07dcb6baefb1550d608818ab99
P2SH
OP_HASH160 dd7fb5b933927482f1f6a94c6f8f33a291688bae OP_EQUAL
P2SH
OP_HASH160 b1b57d0b016d6f92a86787d0a66242ce126eda35 OP_EQUAL
P2WPKH_V0
OP_0 1f76300c242de9244364d0166c14a040c810674e
P2PKH
OP_DUP OP_HASH160 6ea80f6666d904bb977ab2eda2466d0157db20e7 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 c8b8a2df9c931365544982c48b593a52012ef57e OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 324f9de138f9e10054562bb80371df2f4325dfec OP_EQUAL
P2SH
OP_HASH160 61e250cd7389e0ecea8f9363030731bd962f73d6 OP_EQUAL
P2WPKH_V0
OP_0 7866da6db0915faba761d09f92ecbf0cd5f5b6be
P2SH
OP_HASH160 0e3294a6b409bc924e3c58893f78d4b811bb501c OP_EQUAL
P2SH
OP_HASH160 596da4b8d0af620e83338d359b30d7845103a2c3 OP_EQUAL
P2WPKH_V0
OP_0 fd2794664660653505bca2f809de8a3b6a20a13d
P2WPKH_V0
OP_0 4f1e4dd3f2278eae1a18d4f08582e3709bc9534c
P2SH
OP_HASH160 b8c993638b32f4f46d5dc3289e43ec94d9de0ae3 OP_EQUAL
P2WPKH_V0
OP_0 b9e3eb1cc54f8553d0a36451b33831749483af60
P2SH
OP_HASH160 c096ddcae493318acb5603cef4754086cbcaac87 OP_EQUAL
P2SH
OP_HASH160 ae1a56863e7d580354ba08b6c5e652d631785fa3 OP_EQUAL
P2WPKH_V0
OP_0 ecdff0898d2b4b40cabad2f1f7a26a982cf2b091
P2PKH
OP_DUP OP_HASH160 fc730e42d357da0de274d6ce47c5009e5fb06247 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 7e94fe5c6f093ff295f1f044724ddd00804e09a3
P2WSH_V0
OP_0 21fa96a0858b7e8d32f901441ffab77760127986bc13880a47ce0e054cd05e23
P2SH
OP_HASH160 dbceeacf18da9d6321b3a5ab2682eb628cbdaa55 OP_EQUAL
P2SH
OP_HASH160 37851a2cea50fd893c7189031da149f8e8503989 OP_EQUAL
P2WPKH_V0
OP_0 e9fc5a1b5883271a51b905d04363e0a8b29971d1
P2SH
OP_HASH160 83be4ab39c40a435c29a8ed33865d412f7765f2a OP_EQUAL
P2WPKH_V0
OP_0 9236dc8fc79e087ce5726559ab24dc509ef0ef31
P2WPKH_V0
OP_0 3c931b9861d4dc8b06dd1691b6d2bbd1623cbdd4
P2SH
OP_HASH160 40c9cba027908c6b78db9f57a27a17e2e7782fc5 OP_EQUAL
P2SH
OP_HASH160 d900c1ce2d349ff0e574f26f455e7ebd4a20e6f8 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 50a08391e66942c96d3f74b15eca8ca363386682 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 f7a52cd43bac3a0f73237ca77bfb0723e09bb265 OP_EQUAL
P2SH
OP_HASH160 36e0d4ed9791cef6ccafa973c2bfdf3353104f23 OP_EQUAL
P2SH
OP_HASH160 f137bc38dce1b9d0c4f91fecab78b4f24b88d3fd OP_EQUAL
P2WSH_V0
OP_0 d54424f1a39763a5b4e51279e097f80639ffe6459fc86e05f3fea255719dd3a3
P2WPKH_V0
OP_0 ec9d65358e48f4087d4adc9c7735c6b8e54ceb77
P2SH
OP_HASH160 94e44f2a4e380bfc0a612bf6e71e16ec14168498 OP_EQUAL
P2SH
OP_HASH160 35ef715abd626b2385157cacb0115d9c143d9582 OP_EQUAL
P2WSH_V0
OP_0 ccc34857adee28d7e9765b0859d0cfa15c4776083bc556c4f260d15bef15736b
P2WPKH_V0
OP_0 485b882c50145bf5b0eed514596d05e1c54ed7d9
P2PKH
OP_DUP OP_HASH160 c98e2904929435f05f54b4b8664e04d94fa0ae48 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 2992a72c3fad7a78f14377e7a01de1328b8d89cf OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 de2a0006d57e732fdb095def2cb85c00c5579d1e OP_EQUAL
P2WPKH_V0
OP_0 ee44be1da1103194bb02ad3a1e45e34ee0d6e6f2
P2WPKH_V0
OP_0 266a699f56292700ec5477aca005ea4e1e4680aa
P2SH
OP_HASH160 49031670fcdb939214a1079df4056d1aa613c2ec OP_EQUAL
P2SH
OP_HASH160 401a48b3a8f3cbe65b6e5aac84cbb9978c26c248 OP_EQUAL
P2SH
OP_HASH160 88f9964f20f2ea72f265382fbdedc70295aa6db0 OP_EQUAL
P2WSH_V0
OP_0 b88b06c64217e7ad683b9b16f23a16f6932bbbe2431d80145bb699bd1fcd05bd
P2SH
OP_HASH160 b0ac8178e0d2297630cc9b0d187b68d1970ad4b6 OP_EQUAL
P2SH
OP_HASH160 bcb3fb9d2004be5aadb495b5d6a42266c96f0d56 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a4f8528992efa14b3e58d2969538e92fa0af2cba OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 fb8db013df0b60f9fb1f5a8a542cab25f0fa1bc2
P2WPKH_V0
OP_0 acc395a229dd5bd8cbc0d4a9e6280053f23ac870
P2SH
OP_HASH160 5b76d61d2a2568c090ad30ba4cda5249d8ebc605 OP_EQUAL
P2WPKH_V0
OP_0 e8b2385c1ff5767b748e37cd9b26f74b6e1f47e1
P2WPKH_V0
OP_0 37e7ba0b6080bcdd50b656721ba0b9f5b9d1e943
P2WPKH_V0
OP_0 0bbb18b9e8c98d3f3c65d3b337f6da44760c76aa
P2SH
OP_HASH160 3804fa5bd54a0732232735b66c4a75d1b8cc24f7 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 613f063788b35cb2a552317bfe1fae2755edfe0f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 14522e2873f509f9a2bacf9df5f2417c515424bc OP_EQUAL
P2PKH
OP_DUP OP_HASH160 67c23efdb742615464757d93c98ca87967263872 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 24aea6349d38273041ff26299e7e41d5697806a7 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 c07cff2b607de95700cf36e7d66892e925315620
P2SH
OP_HASH160 3f03dbf84c17785ac794a25c0c4f433e1c9611c5 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 9f03c07045630ff76cee4c9ab122a508f45ed2e4 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 9e806e6eaf843e7bd5ece3d76a01c108c6258235 OP_EQUAL
P2SH
OP_HASH160 4bdadc85f7da5193c24047675c79036dac4346a9 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3c98ce86e4c5041b13af1c527aa84830cbdc108a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 dfa8194f46d787e2bb37f2fbe783e0d704793950 OP_EQUAL
P2WPKH_V0
OP_0 d53a1ff1a3ff46aa01309fe7affc4ed06fb53479
P2WPKH_V0
OP_0 2a41fb8b21fc0899d1282d9ec7d4ab9c9be19ea7
P2PKH
OP_DUP OP_HASH160 0553394870635112a09d167e72918baa9b1c7d95 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 5066a7b57bd9a339a2e9be11ff54ef40359670ba OP_EQUAL
P2SH
OP_HASH160 0c015d244c2a12c6dbb36e5790576fd9ce94a889 OP_EQUAL
P2WSH_V0
OP_0 d2d0de45a629359afa04aa2b9f841e3f614293d4120ef88fb32f2856f2bf27bc
P2PKH
OP_DUP OP_HASH160 8441e0588038908247fece463964e40354eb4e68 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 7357cf57bfdada4d88a1dc1d50242da8ba878251 OP_EQUAL
P2WPKH_V0
OP_0 bb1e75b3452395210307a4da52149f654a9d2eab
P2WPKH_V0
OP_0 3b9f6f057560ece0000b3262888dd53395a13e89
P2SH
OP_HASH160 868ffc54241648547f3e4a54c7aa4d48a53eccfa OP_EQUAL
P2PKH
OP_DUP OP_HASH160 dc109f50f7eb4f411a67b45e0dc0514974a92f1c OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 5c9fe4ba31496eefbeb409fab793f67b5871a7bb OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 560de1f3d02ed9bfc928a0fb41adb8fc28ed7003 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 dd79bbcdb59f14b30747435e2fc4f184f407336e OP_EQUAL
P2SH
OP_HASH160 eace4f7f9653252d5d574d9a9f52e7eb88888842 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 73d646745d44d5a0728fab8c933e174f16b25f51 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 2056db38cde85e4233806976c74316df9ad563fd OP_EQUAL
P2PKH
OP_DUP OP_HASH160 6417b7279ad9fa342e38ef06ffbd31d78a05bf98 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 4a078842cebb017f9eaf1ded6f6a02d36045a71e OP_EQUAL
P2SH
OP_HASH160 2babf403274f924e26b10d46eac4b1ad235baad2 OP_EQUAL
P2WPKH_V0
OP_0 45c88e66fc58c7d8e4e6be0e5d2c02b2faa15aa3
P2SH
OP_HASH160 7700134e307aa41a74964e36783401b23f2410cb OP_EQUAL
P2SH
OP_HASH160 9c5b1aa307b6ca6fa410c510e95dbbf3797a4145 OP_EQUAL
P2WPKH_V0
OP_0 e87883482c106ab0464399d6cb479d036355761e
P2WPKH_V0
OP_0 a8046ea30910cb79bb4197409993a5348b0151aa
P2WSH_V0
OP_0 c7aa6a86874d1b158490ba5e1b967d01a27897b75ecaac5d9a181efb3c2ccf67
P2SH
OP_HASH160 cdb45c68fef4e765f675460ccd9f2498ce2a976c OP_EQUAL
P2SH
OP_HASH160 d568caea53e08d189e8bf3bdaadf991b5386c425 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3dac4a093ac054624e4acb9c98e8e5d26df2752e OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 a4fe7d9f56f1e2e29b15c3e68f1551bb96608b53 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 f01d7a80a5e9526def6c6616d35f55b405c4053a OP_EQUAL
P2SH
OP_HASH160 f5f8ae7552a4b2edb82afb50cef2d8bf30db9078 OP_EQUAL
P2SH
OP_HASH160 ac6332d4cfba809027b357e55c6396cb03999d01 OP_EQUAL
P2SH
OP_HASH160 6aa0c8656c91ceecdd27e5c6b2d98813c5b09947 OP_EQUAL
P2SH
OP_HASH160 56f95690e3cb4f39e1117e2d28b51d8c9cf7bd44 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 0ba4409e55f3bb53b481b6bda1a79d1a64100933 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 63d662a4f00da4a247f8c55d47b5aa48caf28e06 OP_EQUAL
P2WPKH_V0
OP_0 053d5ae06e0aaeba8c20a08ee780587b81f0a175
P2SH
OP_HASH160 6d6c264dab440bfd63d2963de4eace7c3f13e7d0 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 901c3441fcc9841798a34f9a9832d678c2a47213 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 0149312fa150bfc399739992a7a8888299acd612 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 05ae97218d3a2d580dfd40b92e680b5fd74621b2 OP_EQUAL
P2WPKH_V0
OP_0 0560fe941d796f950c2cedab7ea313c1e8f682cb
P2PKH
OP_DUP OP_HASH160 c03d7955faf7aa1e24c22f5aa2e441f18c74a80d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 09cef84475b932791a15b75c9e73243644778a3e OP_EQUAL
P2SH
OP_HASH160 a582841f937b639e2887a3a58fbf7bd3615ac75e OP_EQUAL
P2SH
OP_HASH160 dcf2fefe9c19b977e321354ac637d2663a2dcec8 OP_EQUAL
P2WPKH_V0
OP_0 c5fbab996e4e06fa9460e4afcc35bbc1df96e650
P2WPKH_V0
OP_0 ba5e21e0eed1979978b57967927de6f889da512d
P2SH
OP_HASH160 e6996f839e22f6009bf3cce3fcd6500c14dfd01d OP_EQUAL
P2PKH
OP_DUP OP_HASH160 e07955a814ea913fed77e5b90f8022b9b13d4cc5 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 73d6c108d6975e3d4c5fdcfaf5cfe41d44bea915 OP_EQUAL
P2SH
OP_HASH160 2d7dac6b2ae1cdd747ccb84ec96e7c4ba9c553dc OP_EQUAL
P2WSH_V0
OP_0 3e674ae93e202d5a0317c2e030cbc7d162f254214a48e70ca066223e9d8b5945
P2SH
OP_HASH160 3cfa34db697806be163fe28f4283d266074146ad OP_EQUAL
P2SH
OP_HASH160 6511ae59906c5ba25b32aa496ac4b25eec748da4 OP_EQUAL
P2SH
OP_HASH160 bbcdfbd85d4312b0220c92213908c6f7b2671166 OP_EQUAL
P2SH
OP_HASH160 5d392478af9ad99565022ea170926f0398a02d26 OP_EQUAL
P2SH
OP_HASH160 d1e7401b5f3a4cdeedc8d00d8038d3cf36ee48ba OP_EQUAL
P2SH
OP_HASH160 39bc623e3893d411ba65fe3fec7d10343a8ea1f7 OP_EQUAL
P2SH
OP_HASH160 425af4cc714bc1fba1fe6116a978260ae951bb39 OP_EQUAL
P2SH
OP_HASH160 cd2de1f0b88e5c53037eb5daed219569933bae0a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a31f3e9b9ac591e6d86c199f51bf3d4bee546b07 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 5f0986ab7a93d195b22113c3867ee805d73e1653 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 f86f5e7819612be13c6f1378b1673751a9b5ca2e OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 0a7ff96c1cd52abc76b9d8ed1d22475ea17d61bc
P2SH
OP_HASH160 a74ac865443fe411ec3268e1149ed0037711967c OP_EQUAL
P2PKH
OP_DUP OP_HASH160 4d60a1ba959b5168b45816c0bc56d19fa0fb3880 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 75e0773afb9e8f994a1bca849dff253d188d2a09 OP_EQUAL
P2WPKH_V0
OP_0 33faa6843fc76a82e6dd0fd0e40cc5698c739735
P2WSH_V0
OP_0 7831bdde5e382072429fb996d124e4b02d05c3b9f9de82dd9722074d04b713bf
P2WPKH_V0
OP_0 49b464f89190e67ab07f12f349b00ab74b9647b7
P2WPKH_V0
OP_0 7959a5c200b4e6b9a22161d0c02101b155f52957
P2PKH
OP_DUP OP_HASH160 50b624f495f930a8434004c42646757a409ee3f5 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 402c3477e11ee1f615322f7eadf84d21fa5f263a OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 dce8641e131cb9dbbfbe6c5667aaf2de8eb2001f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 c654f6111f5ddffa3fdf6a5a1cab751bd7fe709c
P2SH
OP_HASH160 d936fa1e64e2d38a54185444d96b7fecea8b66c5 OP_EQUAL
P2WPKH_V0
OP_0 c37761b989e9af6c70be6392b060c25fddccec98
P2SH
OP_HASH160 7c5a0f5c31a7bbcaf54d2f093a0c65697a346371 OP_EQUAL
P2SH
OP_HASH160 871862be2d56b0ed34f037ddccd33a507f88850d OP_EQUAL
P2SH
OP_HASH160 5362f5293f770f1b2568ab66981e763d77f6bdd5 OP_EQUAL
P2SH
OP_HASH160 1a07c17d55a4a892d0ea19d7c52cdb2508fdf8cc OP_EQUAL
P2SH
OP_HASH160 c4981d30a4654e5843d6766f324b32bcfd410e8b OP_EQUAL
P2WPKH_V0
OP_0 4dd530a355fee12e15233218ab22dd135c1a20dc
P2PKH
OP_DUP OP_HASH160 4d44c6cb2a1b99b7394fe40f55d4eb0ac6a9418d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 3456e0ccda7e858aa5a61dbeaa504a0d4aedcaea
P2WPKH_V0
OP_0 f32b4169e1b9afbb5d4a7c0a2224087a265271ff
P2SH
OP_HASH160 b96edd022b6e7c7ebfb908d3f782b7b61c825c49 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b1fce85dfe18a8dbaa3d4163fad343591ec2c21a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b8112701ba8cd1f090e9cc222ff4211951025e1b OP_EQUAL
P2WPKH_V0
OP_0 e37868f3dc5da3c47ae911131cfb1e7c84f269ea
P2SH
OP_HASH160 6ee606b2a3451286c01e3182987af78de1072025 OP_EQUAL
P2SH
OP_HASH160 7ff0eaf876b1bb0f4703841317b5180420f3424d OP_EQUAL
P2SH
OP_HASH160 2bc613245928b82cbca93f8fd2cf12659e1863a3 OP_EQUAL
P2SH
OP_HASH160 82db53c43e89e91314bf47dcdc15b824abd56129 OP_EQUAL