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.
USD($)English
Summary
Status
Confirmed
Input
2.56837442 BTC
Output
2.56830654 BTC
Sigops
137
Fees
0.00006788 BTC
Fees Rate(BTC/kVB)
0.00001010 BTC
Other Explorers
Transaction
Input (1)2.56837442 BTC
Output (203)2.56830654 BTC
- 0.00052947
Input Scripts
P2WPKH_V0(witness)304402201e2dde38262056fd7eb9638c4d581da5cc5a266ea7a8e8be4a50b4f818475e3e0220517b88f0ca274fca02b9289d4f190447575928829ca4400665bb3a1095a16ebc0102b83a150599b8eb9d8eb2d4b159476ff97a961d8ddd7db1519432e911a4adbf3bOutput Scripts
P2PKHOP_DUP OP_HASH160 a80d2c1cbce528b44fdb88c7cc099714a045f80e OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 f4d2850e311c95c3f9e8d6b0e0fa18573fe6edc1 OP_EQUALP2WPKH_V0OP_0 9d64a1fde2c7aee8f7d1b0dd968aad21126b4289P2WSH_V0OP_0 0fb3626c01142f888466b173f8662de545fd05a6c9144808d633d0b2e3d284b3P2PKHOP_DUP OP_HASH160 27b9a09dc43c9b601b0f6fbdd92c85e3ed2d3e2d OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 185a9d481a23511345a5147f6667eb39e3f6eb37P2SHOP_HASH160 40e350cee85994feb11eb7ee0b8b9b5d98243ea4 OP_EQUALP2SHOP_HASH160 2d8f0b25e2f5a25f94860c327e728030bded2c99 OP_EQUALP2SHOP_HASH160 f05a78f0ab20ce27b30783e4c33eecee90f8f7c6 OP_EQUALP2SHOP_HASH160 28351fac546991d4d0a7df1e5e1baf5d6f76a751 OP_EQUALP2SHOP_HASH160 2995f2413ba61cc743bb782a224c5483141afb46 OP_EQUALP2WPKH_V0OP_0 310b16a5cd7a3a7c56aa7692b9e1f2b3d84ac383P2SHOP_HASH160 1bca84e6cfbf00f038cfd9595dea40b66c5f37df OP_EQUALP2WPKH_V0OP_0 1fd1e40e00789e83b3e123892850d96d20eab316P2SHOP_HASH160 088dcf7ea98e0affccf51bc9081fe3d9c50d904e OP_EQUALP2WPKH_V0OP_0 27d1dca36d04750779bd3435e671ce8dfefca72dP2WPKH_V0OP_0 605c4adf7d48eb1e56a600391a8885f29335d27dP2SHOP_HASH160 ea6635bbed67d36aff738b0b7ffa13f50f2d625c OP_EQUALP2SHOP_HASH160 1c12146d5564837616e41c8e96e39e1b3b497ab3 OP_EQUALP2SHOP_HASH160 21a312660ba26a7a984bb4f6ee4068a16749020b OP_EQUALP2SHOP_HASH160 d98bc5a622ff3fde3c07c3947bf97c9c6bcac06b OP_EQUALP2SHOP_HASH160 27cbfa651db2929cbd06b69743b6b1e43ff64680 OP_EQUALP2SHOP_HASH160 36cfef1409d99e20af31ac6f38c6de6f88eefa1d OP_EQUALP2WPKH_V0OP_0 65bed752ea8312720f333981ed4ea23cdce33f66P2SHOP_HASH160 3fda93fefc5d57f98a1ccedf7a93bcd2f72e86b5 OP_EQUALP2SHOP_HASH160 2d0fad6126dd3369ee966ffff69a5fa0a2ea594a OP_EQUALP2SHOP_HASH160 39fb8efff4ab378bbcf828648ca5d50a41b8765a OP_EQUALP2WPKH_V0OP_0 94a30139f1a6dcb059f59d841792de43c34d3577P2WPKH_V0OP_0 62ab87722b2ad88edd280bf8d84c57db505287a3P2SHOP_HASH160 ae6243f64627ed110ccc9981396129586474427f OP_EQUALP2WPKH_V0OP_0 1049761af5c2a0e7c5022f94b4e232fb1f7b0712P2SHOP_HASH160 da6077b4452d802192e6fffd3e1d8a8249231629 OP_EQUALP2PKHOP_DUP OP_HASH160 a97534e7f326400526ee57ba53067fc23de8d658 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 1cb015a7aaf043c31675657936d04b55dacb7284 OP_EQUALP2WPKH_V0OP_0 069c2721b0e447b8688d10f00b40a9dc2e16afd1P2WPKH_V0OP_0 3c9b34fd9f32321b030ec5ec176e71c0e158d6eeP2WPKH_V0OP_0 e5eb29678f9f8c8d183dd6cfe677ce8e82d45766P2SHOP_HASH160 9d200b3a499f71df26ccd9a83025ee9d09d2c335 OP_EQUALP2WPKH_V0OP_0 2efeaf61fbc3516a30c360329d7be0771b432674P2WPKH_V0OP_0 5a1ebb0d492d4d44bfba718454a08be2d353f0cbP2SHOP_HASH160 586f064e681d1db6f4442e65be283d29f8ccca87 OP_EQUALP2SHOP_HASH160 853c0932baea74fb9fe8fbe2492dd601c3a404f7 OP_EQUALP2PKHOP_DUP OP_HASH160 9a904eb652b75a06a6a0a834ffa00ec04f1e0201 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 e706c5170f639803d15f7d37ac5f8e8783756283 OP_EQUALP2WPKH_V0OP_0 d5497da51a8d6bfd098872b9e1583f3997209736P2PKHOP_DUP OP_HASH160 f6d850bb340eebbc6bada5222889f9d19a7c23fd OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 c83517049d0881dfd2ac052d0ed65d15b3d7a1eeP2SHOP_HASH160 a74e74b615ef9f8b8c5af13e723782b4cc382ddb OP_EQUALP2PKHOP_DUP OP_HASH160 20730505d759e8cff4b1874b710bfd2e33be94f3 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 4bb38c99a627512ec6e3e6f3f721b2887f980cb3 OP_EQUALP2WPKH_V0OP_0 78ed6d47c72b8114f20c9d7e4e8e8425dff5f76cP2SHOP_HASH160 6e9a20687bfa2784fdbb2c3dd3cac3ae5ad352a9 OP_EQUALP2PKHOP_DUP OP_HASH160 e910059ae61070c34ffbaecded58c3f637c90429 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 7097c0afdb79105f25743aea8496fe6b62afa18d OP_EQUALP2PKHOP_DUP OP_HASH160 89bd52df7050e246e96ebd4f0bf2212a0fe052f5 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 cae6c5773ab3e95851a878aa61ccc3087a8cfd97P2SHOP_HASH160 db8f11547eff51b06520a822191cee5569be30ae OP_EQUALP2WPKH_V0OP_0 bba803762ebfacfae707f8c87facead06943082eP2SHOP_HASH160 c50e325f7d0f0254dd90e17d0e62355a3e635f28 OP_EQUALP2WPKH_V0OP_0 6a8d1280ffe0b940c734ceac3689e55b09b57f6fP2PKHOP_DUP OP_HASH160 63d3794fb70a2708e28c08de6503d778b85be8ab OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 49a6866c12842216260b18fb4882c11dee9d5658P2SHOP_HASH160 ee3046c0efa946a905ff79af1f21139e0ef6a836 OP_EQUALP2WSH_V0OP_0 35d92f8b1fce3a2099526ced2d2358a68fb6bf6493d1bbf99a338957eb01241dP2WPKH_V0OP_0 690cf8588d94da7019eff9c3045095cd5a5d54afP2SHOP_HASH160 fdfa98865bccb74e1c0a3b3d06e5350a1c991c81 OP_EQUALP2SHOP_HASH160 79545c29593491db96f0e5dcfc77295f12a02da5 OP_EQUALP2SHOP_HASH160 34dcee9688f2ce5df215f2b5dcdba5b696a11406 OP_EQUALP2SHOP_HASH160 ce6a414aec5af9fb81727e1f6b51aed909983609 OP_EQUALP2SHOP_HASH160 767e06b856cc20454267cbbfb76d2cb5c12ac5bc OP_EQUALP2PKHOP_DUP OP_HASH160 e32028a3bfc1eacff93c96d505ecb212c1681262 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 ec5001eb4170e847fb7e19f6aaff8c8be3fc86a0 OP_EQUALP2WSH_V0OP_0 6450035a387970fbcabe8653122c4b525db69c07c6adab8cb7225618d23a8174P2SHOP_HASH160 4efac48f8a1a74f38860d396246258c04dfa3786 OP_EQUALP2WSH_V0OP_0 25821405debc2f0392a84b102565f2fa9f6558e666a6032639266a776b8c466aP2WPKH_V0OP_0 06e58d04c7583add8311b4c3e3eddd138753fba7P2WPKH_V0OP_0 d7f9ce602ee47000834a99d69584a474ef7d3b07P2PKHOP_DUP OP_HASH160 fb7d33ff39cb9c89de09b792cacb1e7291f54570 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 3e7b7f1bcca7abdd75788999676c26495e9f3ac2 OP_EQUALP2SHOP_HASH160 85569057e2c6b6f5dc558af8717109ce4ccd04f1 OP_EQUALP2SHOP_HASH160 1a215eacc91305e9daa34e16e5ae2b603e873686 OP_EQUALP2WPKH_V0OP_0 f1834feab7c72d063828b6e4385bacc552f2827fP2PKHOP_DUP OP_HASH160 d5b79be20621f18c125abb84c541d31cef093267 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 c2c5ffcc25f5094c5dbe8a63d22a0cb05a58101eP2WPKH_V0OP_0 1d4f986b2a952d35ca8065c9a2c368c863ec816eP2PKHOP_DUP OP_HASH160 50857be3d5e2c42bf07c5f26be31c9c42d2d6092 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 e726f45738764f07d85ee7540abf800aaaa026a1 OP_EQUALP2SHOP_HASH160 ec0f76401665b1b702ef208b4ed3c5f568cb5b1c OP_EQUALP2SHOP_HASH160 c341e061fa6a1d9af3061d8814ccc962cd5800c5 OP_EQUALP2SHOP_HASH160 84932046bfc69b05131cbdd59c2db752ae19de28 OP_EQUALP2WSH_V0OP_0 b5e0aceb3ca5dc44be41c99711cbed55858b1cc0d584e50b0bcc898f59f1eb3aP2SHOP_HASH160 a04246d09b31043492cbfeb778ee8a294eff0b13 OP_EQUALP2WPKH_V0OP_0 72ccffac5142fdba551ab9505867f05daa77b6c4P2SHOP_HASH160 d3220caeab843a71cbabd015649c589d2f63aaf6 OP_EQUALP2SHOP_HASH160 fe1a54adcfd06d1a4f11c829c55c00be9babc3cb OP_EQUALP2SHOP_HASH160 38d46d5dbf10df0dcaf048827cc754604ef51947 OP_EQUALP2SHOP_HASH160 1a4cc7730ff1b210a75b78e8695b2916d702b212 OP_EQUALP2WPKH_V0OP_0 7666281482fa572f9feb764545a10eb968940db7P2SHOP_HASH160 7e9e85ec4e3f77037b5903b2c537031cde24c9e8 OP_EQUALP2SHOP_HASH160 6fb09b102447bcc052c708f5a7e0c68e5f60803d OP_EQUALP2SHOP_HASH160 1d34010b0d26a617b728346c08910420b7e9d5f7 OP_EQUALP2SHOP_HASH160 6d501c12e5999c60d637f47610cbea6a2243cbfa OP_EQUALP2SHOP_HASH160 3d3a7351a7be51c1b5a05b92855c2197cbb0a009 OP_EQUALP2WPKH_V0OP_0 da7d7e3abaf24b25468c6f510f83ab8a2e65f992P2SHOP_HASH160 76f8287db50855fd053958102fc5954f4615888e OP_EQUALP2PKHOP_DUP OP_HASH160 a62bed3f6ad3888020011c5a701b9f4a8ff151da OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 5990e408119b90521bc3b15b270d1b72b400ce50 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 1b1cb0c54aeac885b349f8cff4b3a9518b430fd9P2SHOP_HASH160 6dbf17bbc061a8329afe735775fccc38acabc76b OP_EQUALP2SHOP_HASH160 b85a48e181c38281f31ecf8f717ef571b131c0cb OP_EQUALP2SHOP_HASH160 183ac4b3162636919a07b8faae9b2c14f9b59582 OP_EQUALP2WSH_V0OP_0 65177164757280662a7cbf7c29fb13e835e6f3995873c169ddde4abf2bb5fea5P2PKHOP_DUP OP_HASH160 040ea22f5f198462c1bba01c3bce34f6ad0983fb OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 d9756f8fa40b2aea2322a9b1daf15e9d5b04bf04 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 8e9415dc0ad9f70f96054d4a1424ff69aae863ba OP_EQUALP2WSH_V0OP_0 dc4eea352382c44ba7d46c3dfca776fe3a57d9041061ef1086fce7b53820322cP2SHOP_HASH160 93a10ec07d38b0151f5f2266fc86acc60b77b120 OP_EQUALP2SHOP_HASH160 5bee2da02a1ad9aff160c3bdb2900ad8d8ee1a1c OP_EQUALP2PKHOP_DUP OP_HASH160 083dca08bfb0bc04acd99f22378e1e692a8e2dc7 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 7a7b70328683d3e5987af4424644685f06432cb9P2PKHOP_DUP OP_HASH160 c492c82e9c3a93c2861c55770b3029d2773dedeb OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 2c19aaf3f8260239c0e7a0e20a77c12492915a36P2PKHOP_DUP OP_HASH160 b259aacb6bc1d8d3dcde64e545c64584f6a2e93b OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 8b87eb0eb7328a9f399bb23f43ea2858f7402bbbP2SHOP_HASH160 208df396d6237e0623912bea23580dc778ec873a OP_EQUALP2SHOP_HASH160 9e90632ce8df270153485f334f02a397ecfbd6ca OP_EQUALP2SHOP_HASH160 7bb99236c1af93fa2547656ba42ded53b76e3899 OP_EQUALP2SHOP_HASH160 f8067bc7724a2ee35ce74267ee2942e032aa6d48 OP_EQUALP2SHOP_HASH160 71b1cfd36ae9d413d96e7ec65c8dd722bf2c5d8b OP_EQUALP2WPKH_V0OP_0 9c5bbfc3a3553b5fb3af5ab9789ccc0866a4dcddP2SHOP_HASH160 c7e06ca879f35f24a56cc5a6fdc5ff44e7c28c16 OP_EQUALP2SHOP_HASH160 677448d18d6e9b4301c575672004293fcc40cefc OP_EQUALP2PKHOP_DUP OP_HASH160 3dfe0c88245b17f5a40127729d3c2309e594a7da OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 39d90a0fe9c6f7e556ced7d05f3fb6380f57d7c3 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 ac0d8b5dab6ce09b8f26123983ac95206a38de1e OP_EQUALP2SHOP_HASH160 04ad53debd09d394dd0f01e6714b6d9fce5a220f OP_EQUALP2SHOP_HASH160 5ced8846c2e8911b34010193667edb8d09e35805 OP_EQUALP2PKHOP_DUP OP_HASH160 5b42508d6a8c33bca9ad805d991258021674d67b OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 d46d73652aad7d79149707c2232a1ab4daa2eaebP2SHOP_HASH160 f7dc2d79fd04d1a514ba011ef4f3080c4c074359 OP_EQUALP2SHOP_HASH160 612deadcc9ba9d34aa65d2800ac76462f93ac960 OP_EQUALP2PKHOP_DUP OP_HASH160 1dafc2198196eff17a2d9b4d24e0997e0fe45eac OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 ff48e27e3e358e2be0f4f6a0d4e52167b6c6a923 OP_EQUALP2SHOP_HASH160 09fe363cca54330e6e1b62b9ea7934af371529b1 OP_EQUALP2WPKH_V0OP_0 5b25596e5a41171ff5871b1f438ec562ce884663P2SHOP_HASH160 4162c54d9cfbac5c18cc16d838790ee92d6df307 OP_EQUALP2WPKH_V0OP_0 b5a53d72b02833acb33813173e1c5ae6129e577dP2SHOP_HASH160 bf9873a9726c038ba3163ea45d052509aacdab7e OP_EQUALP2WPKH_V0OP_0 06eb1651fd04476e805fb87e42045d20575d14d9P2SHOP_HASH160 098d6151431df4a6523496b737b071f251fb49c3 OP_EQUALP2WPKH_V0OP_0 20cce7f962184979fb9019c9fe91bd1d186f67a4P2PKHOP_DUP OP_HASH160 38c5efdda408f5b5a72cb92ed88a9a9f86ad4c67 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 d24c829d2ecbf3d1e698ad69740a0a28badd761cP2SHOP_HASH160 f0508e5769c5f9f6b171e629a8f2d712c43c4e8e OP_EQUALP2SHOP_HASH160 1c170d902bfb87847adc60afbd6abcc90fb37f6c OP_EQUALP2SHOP_HASH160 49ea1d8b807d4c399a515949a2c273c7f5620f33 OP_EQUALP2WPKH_V0OP_0 1fe90ddd343d40ea5066f288abc82c594cf70ad7P2PKHOP_DUP OP_HASH160 1f56620facaf30181c772b87e4ea8174dba2c1e3 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 eff409ca07fdc35306717b54d060218c01d85271 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 790a429a92d14372a55b193eb2c02fe51f92a8f1 OP_EQUALVERIFY OP_CHECKSIGP2WSH_V0OP_0 58e4258c7200cf94cf143ed4ba6a84777ba166f72a5324136df9bf2df63b5fb0P2WPKH_V0OP_0 18eb67237855e96233031f1945dcc82c70d74dedWITNESS_V1_TAPROOTOP_1 e64cf68aa3d68b03e271dd14a69d0c6a5c93150d36b291cb12e1a7a9318f78b4P2SHOP_HASH160 f6f2d107b898f157491ff7714ebd847b7d7c7a2b OP_EQUALP2WPKH_V0OP_0 de187afbd694e7e6cb15679afd7b00e4d4fe793bP2SHOP_HASH160 795e42d03ce3d1fdcda3132a19532fd33e88d59d OP_EQUALP2WPKH_V0OP_0 a06bd57998b19ee6ee64e4b3a02ffee414addbefP2PKHOP_DUP OP_HASH160 0bc1f6042cae8d3c393d92d764fbc6018429b99a OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 c4498ed3c38434f3e5e3ad86d55d712d0178cc2a OP_EQUALP2WPKH_V0OP_0 be21e7877a8612cc78332a3d70f80175a46f5735P2SHOP_HASH160 4e1f763655662e5fa2ba5a778026e55561c98d3f OP_EQUALP2PKHOP_DUP OP_HASH160 b54467c91e7b6766b95533bc1e0ac1ce9482bd7b OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 a04349970d18e7e713a70307c4f8def3478001d5 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 53fff084d5275ec6751d8beab378275210530e11 OP_EQUALP2SHOP_HASH160 fc03660d554c7bab1e20de190a9dbc33ad23859f OP_EQUALP2PKHOP_DUP OP_HASH160 e120007ba9f6164cf565dd7b07227c6507eba863 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 6f10109db0ab5fe3406a7dbeb7049608fc45fddd OP_EQUALP2WSH_V0OP_0 75250e6c884300818061fdcec7bc2eac6b79b42f713ed7c8a05664fe6cc24e21P2SHOP_HASH160 591bc530561bd515e350022008d3ce801be1238b OP_EQUALP2SHOP_HASH160 a01dfdc8917eb15190f406badbf758a2267ac2b3 OP_EQUALP2WPKH_V0OP_0 3afdddd68c35bdb789c53bd567867a50a25beefcP2WPKH_V0OP_0 0234a66f3dbc440e8226ae655d5c2c5a9f6d568cP2WSH_V0OP_0 6438ffeebc605b8d98d1a8d4b378e30d0fd82f7e26b569814dcf75e951c98d72P2SHOP_HASH160 e33a0e5fcdbb171e3974fd0271f3789b4fb65561 OP_EQUALP2WPKH_V0OP_0 cdc5a86b5070a448fded065b7512868b524d7486P2SHOP_HASH160 12391b4f18eae417f9613751bac062fee06ff38d OP_EQUALP2SHOP_HASH160 aa6317833b7d04b00cf6aca25d712eeee4045e48 OP_EQUALP2SHOP_HASH160 b9be241db9b19144169d25d8f3e9385a3eaf9c4f OP_EQUALP2SHOP_HASH160 3b4abf7d32769ec630fad7a0fc8f7f27c8e8106f OP_EQUALP2PKHOP_DUP OP_HASH160 fff69dc1778ff9234c05f40aa523b4bee1397f6f OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 bdc3e20d37be32db7c603c6b1549243ef80704ab OP_EQUALP2SHOP_HASH160 1bc732c811d6e60c70c2c4491485d2babd4f2002 OP_EQUALP2SHOP_HASH160 48ce3673de47be1ef66530d24245f4415bf2febb OP_EQUALP2WSH_V0OP_0 ef579b75271d3bb01bed18eff8b443dd1257bdca14b4f8cb24f42412837ad4bdP2SHOP_HASH160 62753c9aab710d633fe71009b07644246829b2e9 OP_EQUALP2WPKH_V0OP_0 b557fd28219bf6177dce06f2d10a6b47aa39e16bP2WPKH_V0OP_0 cd551c10e20e1ae374505aed1c34582876027f1dP2WPKH_V0OP_0 51db31c959dbac87338bd3fbaa81bc56b836bb98P2PKHOP_DUP OP_HASH160 e92c13fcb576262c6d5573138856b14bb9978f9b OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 92807927ed477a85efc45594c9478010a02039d6 OP_EQUALP2WPKH_V0OP_0 bce67012d28aefe21764e657113d8b37b9945715P2SHOP_HASH160 fd62dfa6ef867434662fc41f006b3885a35d3151 OP_EQUALP2SHOP_HASH160 ba9f7e2080065fe1c72af5e2d59386cd5d990d98 OP_EQUAL