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
fc6136e647248ff11b67c3645097c860ce91c593e462ffecba373e5527f0ce59
Summary
Height
Confirmations
149,858
Timestamp
2022-04-16 03:13:01
Size (rawtx)
6,258 Bytes
Virtual Size
6,177 Bytes
Weight
24,705
Status
Confirmed
Input
2.75775202 BTC
Output
2.75768963 BTC
Sigops
157
Fees
0.00006239 BTC
Fees Rate(BTC/kVB)
0.00001010 BTC
Other Explorers
Transaction
Input (1)2.75775202 BTC
Output (187)2.75768963 BTC
Input Scripts
P2WPKH_V0
(witness)
304402201761a5f338f859bb075304063149da50452c2e3fa32fa62d59b18a4790084b730220775d59327d799adaadc58a9978dea08fb675472e9b2cdaa43d16cb1283c3051c01
031dfaa6fbe81c1b8f370f9cf298982daaafd203570fe695f9a24f3f534a920420
Output Scripts
P2WSH_V0
OP_0 866dd7eae75fdef4a4a1a79e6bb227aac7b3ac74ab4047a3a7124a678f7f158f
P2SH
OP_HASH160 125b4fb479caaf411594aa2e71dec9f9ffb53838 OP_EQUAL
P2SH
OP_HASH160 8ba44aac93ebc8aeb734cc2cfafe4abcde918ff8 OP_EQUAL
P2SH
OP_HASH160 f4b4e74f7de65d55dfc7418963306c56cb4f530c OP_EQUAL
P2PKH
OP_DUP OP_HASH160 990c996b8bcb8a4512b850fcf6cb595a1689b8c6 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 9de90d5e0cda5485c7ec7227ea2178cf167ecb07 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 a86f487c13ece56a30fa0e9f02874b10cd84f9c6 OP_EQUAL
P2SH
OP_HASH160 5d3f503021581910bdea60c9515487bb6b8035d7 OP_EQUAL
P2SH
OP_HASH160 d8a15f50c75523f17ce8987b1c6b5e370a89d799 OP_EQUAL
P2SH
OP_HASH160 cdbba9b87187b66a4d41aafff7f9dd7ba202c8ff OP_EQUAL
P2PKH
OP_DUP OP_HASH160 03f4f083b119bf9376384b6d615f3c316932f7c1 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 c80bfa106c7e4d3e05ee7fe1036e4a2be892e2c4 OP_EQUAL
P2WPKH_V0
OP_0 f1fa8bc4934db8f26ddd6449846a98e96ef7c8ce
P2WPKH_V0
OP_0 a704ffbf90c527664437010c3b1bbb159b4d62b3
P2SH
OP_HASH160 6143ac751483a0ab313680e0dcc174fbdf2efa68 OP_EQUAL
P2SH
OP_HASH160 19d85fdae0dbdaa0548164686bc86610cb489171 OP_EQUAL
P2WPKH_V0
OP_0 f80f0f26f6d366797ecd43ad8e095772c4792328
P2PKH
OP_DUP OP_HASH160 7e7246884ac52a9c87ccbcbac8da4accd8f0c9f3 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 25050f8a6dedc2988eda4a0e1fa8a95ddfe931eb
P2SH
OP_HASH160 dbeff8aaf4adf3859206934569141b5889527bdb OP_EQUAL
P2WSH_V0
OP_0 00f33cb0212f62f1244ac86408f1a9fb0f1eb68f9a7ed6fa6f10d6284a9ebce2
P2PKH
OP_DUP OP_HASH160 846b9517ee7c7dfce12214d4a86b68c64360c723 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e57dd6a3a3908cd7da1b49dff2abf6698466876e OP_EQUAL
P2SH
OP_HASH160 b7d82e55903799f76c59ffe08267174d4cf26544 OP_EQUAL
P2SH
OP_HASH160 c4fba036b17053ca00e7a9b1bced218420fb70ea OP_EQUAL
P2SH
OP_HASH160 192d785112cb12bb1dd2d6dcd3c9e8a2c91b8f73 OP_EQUAL
P2WPKH_V0
OP_0 1c6e59e77c92d6c79da9f35a8c31b08807a99640
P2PKH
OP_DUP OP_HASH160 29ddd23d8e45cd0e8f568691919c834ac1cad5ce OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cb6572d15d3aacb9a0bd6c30514372d223f77f69
P2SH
OP_HASH160 2657f22012675376565c0dfdf947b4a8546476b1 OP_EQUAL
P2SH
OP_HASH160 872d60359cb18977e581963790d9d67459f71315 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b28e1d1d231ee0fb1843307f321a1941576a5654 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 66d0b25f92177c1f121a2ebdbcd30b8434ca55ad OP_EQUAL
P2PKH
OP_DUP OP_HASH160 dac00907bce2fe8242140839f2e8d32d5c3c3188 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 70d88fcd287afbb995a2e044d3098424fcb6dfd9 OP_EQUAL
P2SH
OP_HASH160 30d82c0c24732233a7b34251e1d6854beb5bcba7 OP_EQUAL
P2SH
OP_HASH160 484bd966ee4fe7f45c3e1fd581004e84319d3c1c OP_EQUAL
P2WPKH_V0
OP_0 6d5b1d514150eae918c38f2782d5906e851f8562
P2SH
OP_HASH160 4a6c8f83ffbcc5efbe842fd59fccbaf2cd7d54b2 OP_EQUAL
P2WPKH_V0
OP_0 dce7a7d2ee38fc3f7fcf97a5e3454c0568faa39a
P2WPKH_V0
OP_0 731be2ffd33a8a6e5f96dd0712c7f00461f14ae4
P2PKH
OP_DUP OP_HASH160 45cc2aa5f3f79ed0cb7158863c44a9351545263a OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 db29f3e7ca20a8c0b964a1258b23e7864983508dda5e77229c73ee81723151b5
P2SH
OP_HASH160 207207b4a92e3ef57a9b60d57c80b29c7cbf050f OP_EQUAL
P2PKH
OP_DUP OP_HASH160 4559d2d82c4cc6197dbc69457b2f67b84b27bf5d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b4085efbd015748c273fcf17796f76c3c8ea9884 OP_EQUAL
P2WPKH_V0
OP_0 dab18a0f96a42fce2daed9f68236c91b02b64b4b
P2PKH
OP_DUP OP_HASH160 4f101289702601541df4a95c565417056d0f43b9 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 7a044c0c3cc4012b0a2884a2cbba8240d15b0b1e
P2PKH
OP_DUP OP_HASH160 006a15c76295528d96394108b57313426ce3f5c3 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 bcee416c45551e386021aa4735270a8bf334532d
P2SH
OP_HASH160 cbb803a9ccbdf43c62dd83d55fb180132642b1d1 OP_EQUAL
P2SH
OP_HASH160 3d349b47a77ef64191a8f2aa8459618a4f36656c OP_EQUAL
P2WPKH_V0
OP_0 71368d710f313f6bdebbb55b23b92a9df60c09e3
P2PKH
OP_DUP OP_HASH160 b3bb509f4a5a3106a766025fbd1002a0e24b8c20 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 0bee1a14ec1d75c0f7733c9731e178269b192fd1c664cb48f01eef63a4b9a4ca
P2SH
OP_HASH160 0d4aa74d0c3e2d2a7e5a071524d4b61800199e80 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 bb4956e130df6df71265089c49a18ac85de5940f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 a6962d4b1a4228eed9ba603579389049a3d8622d OP_EQUAL
P2PKH
OP_DUP OP_HASH160 63ce7210f5309298335b90220800a0b1ded0059d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 765afedaee3fc24b6382f1a57d42a2611ef6a742 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 1e6fdaa9686a98161205817bd2af95053042d00d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 8a852e0d0c6f0cd8719b84dae25477c413d041b1 OP_EQUAL
P2SH
OP_HASH160 eab90ead9c9ee056c255ff76a1e14080afd547e5 OP_EQUAL
P2SH
OP_HASH160 f6425f782d208a6322415516425fd4fc3be89b32 OP_EQUAL
P2SH
OP_HASH160 b0c87fe26775b6846d548d2d4930a659987ae5f7 OP_EQUAL
P2SH
OP_HASH160 b806f5ff96f9fae5402305662d3add5558f29605 OP_EQUAL
P2SH
OP_HASH160 f4a1a8c2beb6a72a2eac5d8da282897de87156d0 OP_EQUAL
P2SH
OP_HASH160 d25e178d3ff24aaa9c0beef6c023a52f844a2954 OP_EQUAL
P2SH
OP_HASH160 4cdaf011c805755a34ea01840abc2750eab4c5e4 OP_EQUAL
P2SH
OP_HASH160 afd8dd3efe5a1f1170fb0722d3892a9a9e8ac938 OP_EQUAL
P2SH
OP_HASH160 6fbea5e40ed0b55d9fecec6ecc19dde80f967a4d OP_EQUAL
P2SH
OP_HASH160 86240a6bbba9e6e790a8c62a836477f9e7f0c90e OP_EQUAL
P2PKH
OP_DUP OP_HASH160 80f150da33372e0b0601409d918c2fbfb732a09d OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 8b7682a6f3118103d68978c073328a2bb8af5e30 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 a17fadd4ccb1abe816061dba9de712507548246f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 95d950bdf2f9caafc3be2adb2a8f0a06b42dce60 OP_EQUAL
P2SH
OP_HASH160 81060f77ccb341e7cc78c23261bc3f8800a8dc2b OP_EQUAL
P2PKH
OP_DUP OP_HASH160 cee018a614da7a3fa132904248d6723d15257bc8 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cdb5f5eaed0b8b123833017ce65f01abdd1035bc
P2SH
OP_HASH160 4c7a3a8e7331c7ca0acfd4b6cbda9a03fa33f218 OP_EQUAL
P2SH
OP_HASH160 d8adf66dac7af4302492bd34dae10a75148a8a29 OP_EQUAL
P2WSH_V0
OP_0 ac62b9866c5d4ed1a092070a6002ddb5b72b94a26fa1e5b1d783afc11db10f7d
P2PKH
OP_DUP OP_HASH160 71cc09a871df6494b16a5db3f3c4e0a1c1e42584 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 5889de98fbd260339a48fabdd67a164b2c52f986 OP_EQUAL
P2SH
OP_HASH160 d77d57852b1e98cf919f644bf7a0b716ffb6b800 OP_EQUAL
P2SH
OP_HASH160 c34b2019ab4b3da33de9c1a88f812cdbf09c9646 OP_EQUAL
P2SH
OP_HASH160 34634d2edcd040d0231a9723deeb0648729c104a OP_EQUAL
P2SH
OP_HASH160 ccd443d0c31eef5cac44e35a879e086f718804cb OP_EQUAL
P2WPKH_V0
OP_0 343ee68f3c72cf24bb79d4d452324d04741628a2
P2WPKH_V0
OP_0 f3236d70e914cc72f3302a4b3f42551e52cd889e
P2WSH_V0
OP_0 00ba0c2adeeab1f73be08c6651dff0ac2daa75fa81a7c7a8d03395b29759363b
P2PKH
OP_DUP OP_HASH160 e0747192d7ca0b0a82cebe130dd7f6167b345ea3 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 26f279355229057d8fee1ceacdf033bda7e9532d
P2WPKH_V0
OP_0 4b6dd9c9abb7fbee8e0859363af2b95d0643a190
P2SH
OP_HASH160 2fbd9bd66ccb568782a903f691674b5958267a22 OP_EQUAL
P2SH
OP_HASH160 a3167415f75b96263899e36dcbdf8ac5a16c95e5 OP_EQUAL
P2SH
OP_HASH160 06c3295b060e5f5a799837fb307d4b5785725e96 OP_EQUAL
P2SH
OP_HASH160 b87d6a05ebb1745fa49ed81e2d4f3f58ef73e2f0 OP_EQUAL
P2SH
OP_HASH160 c5f5b5becd9217e2d0c8468177bdbd3d3fd09340 OP_EQUAL
P2SH
OP_HASH160 60ee7a1e19d94e4fccf1b64f43e4971c6f632e6b OP_EQUAL
P2WPKH_V0
OP_0 72c6643927370b9d7a269376b84f2de826f485ce
P2SH
OP_HASH160 31d17b7fa9b6cb391d0da8b8ef44956b0dddff6b OP_EQUAL
P2WSH_V0
OP_0 fef563612b43ba2c480b1825d41a60bfccefaef263753f41dd5e59a6e34c7ee1
P2WPKH_V0
OP_0 86a6e8aa303764f9f4ffb263b27d36c602d58cca
P2SH
OP_HASH160 79c2ba407dab249512f5904abaccbd42e308aeac OP_EQUAL
P2SH
OP_HASH160 bd17f4dbd375b516abc263c6381c8d5de5840474 OP_EQUAL
P2WPKH_V0
OP_0 11065c435b9113df6307b9dad93d9dd1bf0cc9af
P2SH
OP_HASH160 48e9af89d76c0b6ace036786fca32c19c9da5ef7 OP_EQUAL
P2WPKH_V0
OP_0 c57f216ff4c02d3c2c0f8ae302183a4924f03161
P2SH
OP_HASH160 2c173f2ee45936c35520fe31424c133cc29ac957 OP_EQUAL
P2SH
OP_HASH160 b1c7e738e3b1c3c6c9e5bb110e2761c73cbf7a06 OP_EQUAL
P2SH
OP_HASH160 b44837200f7cb0214b857ac6424277c343aea4c6 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 7a475613f5c3b69eb694d793ccf5968fb6a604fe OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 7bef31de433395d292fe08f73d9d75bb073329e7 OP_EQUAL
P2WPKH_V0
OP_0 afbc1c615e7c3c0d2699d37296479a697c652de7
P2SH
OP_HASH160 b7f0eaa80c08ea231ba6ca1904ca86428e0014a1 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 687de84446225ee7a766fd5da9a59a8761b2b43b OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 d9e0869140ccc0e923aa1f953e32216eb81fc992
P2SH
OP_HASH160 8bfdf7b7090c0d14dc87154c62e5b1c0c6eb6a32 OP_EQUAL
P2WPKH_V0
OP_0 1dd82faef934c02deab35bd0354b81226089bd3e
P2SH
OP_HASH160 93882574ec19fd90886f70ad39ef168daea1b4f7 OP_EQUAL
P2SH
OP_HASH160 3a4990a115cc5b43981c0e66551059c82d0dc7e1 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 5cb7319e8246b8fa3e10f78017f80ed13a7afc5e OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 8d6e74895568108b54f219683844cdb080a10655 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 9d715b3a2c36a4044804e5fcd6f54881981d30ac OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 227b69668ba33b442dcee6ec880061897dd423be OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 d8278e9e9cc548d7beae58d240ebd731d6d2211a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 af2d8c522fda793326e34fa6563445485dadbcad OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 d3de6c28bc45d8dfb54fcfa6faa1369dfd6902b0 OP_EQUAL
P2WPKH_V0
OP_0 2b366c943ec3eb145e7433aa7d30740073161a2c
P2SH
OP_HASH160 d688172db09bdbb8d6a654d066f7855bf816b938 OP_EQUAL
P2SH
OP_HASH160 4d121e5af903f10f51f96c51d4a750c90c6fb615 OP_EQUAL
P2WPKH_V0
OP_0 ca6c421f3733f31e58b7fa8f1a84b93d10025a0f
P2SH
OP_HASH160 02229e0511b2402c4edb4583798ae8241293c4b1 OP_EQUAL
P2SH
OP_HASH160 b869b934d7cdabb433154d27c81499785954a4c6 OP_EQUAL
P2SH
OP_HASH160 3f075ad106c09dcfedfa984daed67434a8581c8b OP_EQUAL
P2PKH
OP_DUP OP_HASH160 5c6a72e9f31cba9c20812d1f239430dfd1260a41 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 57ed3d9c834e75b81e2897c08ff5d086600127d7
P2SH
OP_HASH160 dae59e571ef549e5b9c6b6cc6a0c69779440c4a7 OP_EQUAL
P2SH
OP_HASH160 33214095840ba81be65115d6cbf563753f9fe82a OP_EQUAL
P2SH
OP_HASH160 665f697efd17d12b30f4ccab4081983cc2736665 OP_EQUAL
P2WPKH_V0
OP_0 1960d867287977a5dcaf1ec7ccdc4cad60f1ec8c
P2SH
OP_HASH160 70276d0bfd4081f30850473c614f65f82555e13e OP_EQUAL
P2WPKH_V0
OP_0 a87741dd46f8566b0afb561f869923ea64ac92ec
P2PKH
OP_DUP OP_HASH160 e5b4439cf166aafd1848c01f8fe60554da3b58bd OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e331984f09564dd8e90c2f8024c420454cf3fdc3 OP_EQUAL
P2SH
OP_HASH160 03edbeb2fd9d4c6795546f5c9dcd68dc77d0da56 OP_EQUAL
P2SH
OP_HASH160 868d0b8a076aea615a1b931d8840e54f93f383b5 OP_EQUAL
P2WPKH_V0
OP_0 a19358d349b7d40b398be1f94d73a47c966f0f3d
P2SH
OP_HASH160 1037c6c60d62f13b445628e11832a132e2940494 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 6c6cda4090e7207b9181c96fc2240e16d3aa0232 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 309876a9253206fe832c719b85128ea8ee18655f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 649813f85c1d79cd00edeb5e0b4b6895e4741fbd OP_EQUAL
P2SH
OP_HASH160 896e15b1bc46acc236a869b68933c41aeed37e28 OP_EQUAL
P2WPKH_V0
OP_0 e6677d3ffdebed8da5c8c9d8b653d4383d13142e
P2SH
OP_HASH160 3718ac419395f38eb275b6e759883232d007bb2b OP_EQUAL
P2SH
OP_HASH160 d0b7aea29b39919f2d5d42b386a6d7b32d7b167d OP_EQUAL
P2SH
OP_HASH160 490890ca4f92b0607901335ba88eda4b05e5b407 OP_EQUAL
P2WPKH_V0
OP_0 21d1fac197bdec8cfd01eea37eba8aec9398af98
P2SH
OP_HASH160 769f4a7299bebc739e5806f5d6dfe75b89132504 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 df262a6289399085e9c3dafb23b207172cb3abd3 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b27f58ce8196fa82348976eff44abb2908790c3d
P2SH
OP_HASH160 2e5024fbd61d339a14339840f67100587fed2cc5 OP_EQUAL
P2SH
OP_HASH160 2ec70b91920a7cd566f61319e0df44c982fb2c06 OP_EQUAL
P2WPKH_V0
OP_0 b881e97d1c5d50297fc176b091986773c6476b83
P2PKH
OP_DUP OP_HASH160 525d38f35a0b7a246aed26254211ce53134272cf OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 0269705d0e73bc4c378f0778118dde5b996e5ea5 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 38f062abce6e71f3e38813c2c029361514bd2989 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 64ebc4bc07b46c5a4295141d937534b274d92576 OP_EQUAL
P2SH
OP_HASH160 e432dba9bf6c5de244c7ecd20c10d10d73ad019a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 fcbaac87e58794c24b674e604a537cafa68b4dba OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 46286eb0eeb7663c3c9e8f26c6c6bd1143dcd6bd
P2SH
OP_HASH160 ba69d5468623c878c0be4306b8dd1a5e157998fb OP_EQUAL
P2SH
OP_HASH160 6db34a1f5fa09a60e9f9599b208c4dc37ba9c657 OP_EQUAL
P2WPKH_V0
OP_0 f7c7b43bd5b7ce4784d756aefc05ebe77442c693
P2WPKH_V0
OP_0 26914e9f3dce456dce5b1fd9f9c3c4a932e77970
P2SH
OP_HASH160 d61ebf05b26444a685724b15e5690d4902cde280 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 fe2ab51ea6110d0fcbaaf0dc15ef526d52e0e3a1 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b5d9e73de3747a9abe1ea95c36643e0f62181b46
P2PKH
OP_DUP OP_HASH160 acd26e568d25065639892470a8d6120116bfbfdc OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6105f0d7d8f22ec73b1248e2174b2fd6b936fb21 OP_EQUAL
P2SH
OP_HASH160 91059f24b334e416f702a5026cc162f7e548aa32 OP_EQUAL
P2WPKH_V0
OP_0 b7d6f89a9b554bf0150c4836f05348e13b851f5f
P2WPKH_V0
OP_0 6eb72aaa535267d6962330c4d72a8f32c23990ef
P2SH
OP_HASH160 5b5a76426f921d87b5a876713071aa3b02f4fe26 OP_EQUAL
P2SH
OP_HASH160 d2e9920169f9f88297b5313da9d418bce57ab783 OP_EQUAL