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($)English
Transaction Hash
887c04900ebff1143348d7c7193c811dc50fdc30ccdf06a5c32ea0ef7c12c774
Summary
Height
745,149
Confirmations
138,971
Timestamp
2022-07-16 00:37:09
Size (rawtx)
8,051 Bytes
Virtual Size
3,884 Bytes
Weight
15,536
Status
Confirmed
Input
1.11843165 BTC
Output
1.11831453 BTC
Sigops
90
Fees
0.00011712 BTC
Fees Rate(BTC/kVB)
0.00003015 BTC
Other Explorers
BLOCKCHAIR
Transaction
Input (22)1.11843165 BTC
Output (26)1.11831453 BTC
138,971 Confirmations
Input Scripts
P2SH
220020e0a4fcac39a7a8e2dc776119c738ab820da49bbe7ec77b28b4dcf0d46df28657
" ���9����wa�8�� ���~�{(����m�W
(witness)
304402205e9cf5fa0b8a1e32a8d124b76126643db7e002d4767c82332ca6f4b25a96937b022079b9ae40767c4afa02b0dd27fcee8e1f55b79c111ec4776d331a83da2b0ec9c601
30440220543a8b6764cbb7477374ac527f15a521cc82778bdbb7a48101d22c8eeb201e17022019ce1ae0e70bb0c311f0cdc522ce5aaf71576db71ebc1adca615261c516ac90b01
52210216b8889c5486cbcf9c58c2e597a204b7358dd263c274e1cebf26eee81f5cf2bc2102e0405c5312f95420e46b40b69ca3fca3958c99c5e71f461fb97649a4357cf8352103b6e69103fcb7f42b19d759e1fdf4a8edfc8936f9043cc165a16e979d0f6b0b2153ae
P2SH
220020eb7b425f71ec48d41c1eb1e97561680dd91dadc768d3635e9a21878d904527b6
" �{B_q�H���uah ���h�c^�!���E'�
(witness)
3045022100b7f4b86c199caf65422aebdcc91d1dceb79106eaeb4e3656a88ad74ba7cae6540220168e9a8975a74b5cc34ce29d2712f1d2708664db46178753f773e65515d5bcf901
304402203ae0f0f433f7066e6ce0f191ea62781af28f36c0616ad622ffd7a317aa819e8602206f74b44cdc4c0f623124e1305400b18bfbaad9ace0d1ab838404b85c436b02e101
522103ba574f67e95e44853c9a1ed77e1d1e7caaa297bed438fe8777f8d5881a1b8ba92103d2ea154c4da9bd65a93800afa34e6464d4986266543c4ac2df2be53d6b98fb5521026dbaa4dd94094ab0527c9b1f44b0831beb3099a93cc1b4b281f462d25887561553ae
P2SH
22002084923ef8d2858935e9464064ac7696617bcc9b8aec759cd6b56e6308489cbe24
" ��>�҅�5�F@d�v�a{̛��u�ֵncH��$
(witness)
3045022100b26f1e69f76ffa7c03dccb96b5c41baa5e3ff9f54407ad7102334c2877843b45022052e65a994bf59bdb9009566cfbeeb67658c12ed52a49cb1458187e0e395f0cc601
304402203e98c6f5c0da7b8af4f9415e3f81db9f1d30ba9be559afaacf5a90acd121e379022026c1117857ab9f338e669e5138cc1472a84c496acd2c3b5b39b94cfb40aed99e01
522102fa0effeb7e81865f61fe4ddf7296a39fe6479f982dea4fb7be76e515fe353149210315073bfbcb55fa00d29084eb1cb66bf2ceed29c741b40d51331563913d4c48572102b50baf3ac2246d3f6f76c8c2101f089ad16638cfd566be021375d5f2bcffb7ba53ae
P2SH
220020bbd1978528778672f129d246ecb032afbc19d129e7e498d8358f8ed0b45fb2e0
" �ї�(w�r�)�F�2���)���5��д_��
(witness)
304402201517a6ada784e4bb7a5cda8f3e5d4fd2ccf1caa6e3af3bc3f5ade643a2cbbf0a022074ed67748bb0f49cc9271dd99d730ec3c42ab69ee193f337cbb9c2fd01604b1c01
30440220784ccf67da0cae95b763cad86fd2eba8fafba1c8ccff76227764db9a321c751d022019065aa4607775e9b894a6be72eebfe0f04d8cda82806a0bc2264553bb57dfb001
5221030bee8a7a0eb8c9b41ee25270416d1b1cc728447fe27c66d28a1fa2a8c08954532102591236dc4e8eb8978861bf5660ad91060325de2af5f943b4e39ab639e6a5cc55210293258b43294ff777c6039d7f39dd528ad683d4d90128075fd62679d990d05a5153ae
P2SH
2200207a5102e1f6413f573a08afbec10bd2f3c5193b4ed1cf6c812498bc99d9487e61
" zQ��A?W:��� ���;N��l�$����H~a
(witness)
3044022049cbc5513d129dc672fc20b02e408d9c0064945b987299e2035bfa4005ca3dd702204296c3b4c9c7dbc936aa1faed0ad094d0598d0092dd7c6f6808ff66257f8f3c201
304402201884a1b00ce4583d7cd886175cdac51f7bbbac6c8aca1fcc1eca32dd0491b9a60220371cd80e0788a5eab40520e8c0d622e1a56ad562b7bc407225c305bd0a78616c01
522102d28d2209ecdd1f402fd5ad1891b6783f3cb2639e221363b1cd9907bce73e72f821022ce206cc1b81d35b910b32bcf5c7ddf841ce4d310af0ddc0c943c1177fa993ac2102759cc6685a929a5acebbb82592ae0f005538752ba775ef8df51d4b12aefc586753ae
P2SH
2200200ff9bfa8492676854626757717561c586f091d78ebba37a0ac0055369c7f063f
" ���I&v�F&uwVXo x�7��U6�?
(witness)
3045022100f5a951a1495b4ff582dbca2cb929dcd230bb91b0170f60293b472ebf0b33630b022059b2425fa1c037288be85b377ad78443f2455a1ef4c311761a5dff0559c32cd801
304402207d6b50a318ac33492c63a6321c6843b0d13f42821c92a21034faef872e86845e022006d1b095917f8aa37daebd732918e4535d5ba2fe82790d15325e5a2e8bc1ae6501
522103a94693bfb068a791255fe2fed084ca8cbc17e6fa19020295a8cb480a42509eba210292bdc02ff045a718a01c19fffd3d9f7ee64038f608f4b6ce74c8b127bf31a1e42102f35d1eba1d9a2adf92f781eba2784bb8e0a5aa5a8460ef543b4c1213a3f2c05e53ae
P2SH
220020eef205923290ffb906bbaa3847351fa1e649bd8155e5105468205746210e5b65
" ���2�����8G5��I��U�Th WF![e
(witness)
3044022018ef04df1a60955252c8a2666d5e835a0168ce004420ec1ca1a04ca9b20acc7602204e193edd83ce038b623067931143c4a272f748a81b8fa556443530cd1e6e9a2f01
3044022056e233121c0bb71c10a71e018801ee7ecbce2c11006dcd33e5c78c388c1fa3f202207181cfb4e7ee39a6378d59235d7abae9956de2e05bcbd574a9072c19b0bee3a201
5221034e7911d743413973b3b6a3ff85b95bbaacb00a84264f7e125893bbf85785aa3321035af03ac79add34c66929cce31dfd79b567ec242e1f34c0fa4e56c4a22d03990821021541af1b7e38b3b6e3a2976bc1f959ce6db03058a2b314b03e06983fcb34459953ae
P2SH
2200204b45a34641b7ad0e6e9aa14f53ea0c1472f08d56db3b137644c398bf5177fc86
" KE�FA��n��OS� r��V�;vD�Qw��
(witness)
304402201e868281bd88851d3f48d21f8230539ff91e61eb4b0f62df8f2557a56f3f92e60220369ed0bb2d24ef3887a501d4d50fefe1a6eb9014eaa6721d40d5af47f809709c01
3044022001b75f3653eaeffb1723f043c80672835db87161784eb0d7dd2f05fb5585193902205de53c78e8c4d1e089871a2dba20dd957265de9a011a195de80cdbef145c5df501
522102f308c4e24950e4a1568fe7c88b8d8ff984deef3b49ffd1a5a26ed7d461d2e75621035b9a2eb5c7ce9e40123f90c6c8b1c09f942732b98f89f0feab076c7f98624441210364bff13d753528a46650ef5051e8c462b879ea15f1ffe0a138485c3dc6518c5253ae
P2SH
220020771f6987d9886131253bfbaa1aca145e7338060c61c182cd3c7717563e8aec6a
" wi�وa1%;���^s8 a���<wV>��j
(witness)
3045022100bb821599f230d7e10287959cec9035d5cf30acfce2b5788593be14093c511a3f02201520442570377e0f4303bb5fb7e209142ddb941335d91c41aae5a1dba25966f901
304402203d2ab49d4c620ce2466307e9e617ee86461a5c4138d2848f50d6d71b2fe149cb022058179af2beedb4fca76fac2c41d3a3e7929848e16e80225dd1ea46a4951a380701
5221030c9d172146ec02f46283f972bcaf89332ea2ed1deb118a5667dc279760284754210283aa020936d15149fab094d1d5799b45fdb0ec94e9843f23c6fbfbda1bfac74e21025cbb731e03bcae08cb664c66f2989f4578b7ad871a86d9a1990f4b6dba246d9953ae
P2SH
22002088dbe5c54fd12ed05a6353a0682f3c1397960565c622443efafc0e9502011cf1
" ����O�.�ZcS�h/<��e�"D>����
(witness)
3045022100b0bcf9845add4502c6cb2e63ef54deed748955273cce7555e01eb1a7c7071c8902205789f34a587a07ed75db7e66310b2000384fe215067156343593e1e07fea325b01
3044022033ffb3c14a742c5a7a78acd65a58968f975f3b2f6772fe8642c151db8315517402202af646d0b6e34650e1e609c0fe506abc3964567e2822b45d0799d69d6101be4901
522103f709b36e814d01a73096ed738003663ef39c79ee5f6bf20003e1bd12dbd6fc45210200f424461cd5ee5f2124fc9e46e2e3a53b2f5015e981d5b642ba4b8b1c3fbd572102435cbc5073ff8434093bc98afc9640b9083656d41e67883b85976e8a0d1fbcf953ae
P2SH
2200209e4e637209a23381b899d396820c2a375066250245295f65a99d173dd6b3f571
" �Ncr �3���Ӗ� *7Pf%E)_e��=ֳ�q
(witness)
30440220451f0025e56951a3f7a85d4866bccdb7062625ade035d543e08727a96f8b3e2402200859b75c4e93da5e46d397d38ab4723afe0abf269f942a742e8442cc21058a5401
3044022020609bc8d4ae263e2ad0aa93b070dca8c5c4045f1c5738ad545ac9e359fdfeba022069c0db36667f5ddfe299b7cbe5f74ad2415ba72867cfc2b798dbee2bd7e154ea01
52210361c3712494c8c4bc6d3706cdd47b100a1bf593d58d24e08cfa90cdd791c2994721039cf9af7650c16ca227793b3b6fea3474175f01e46f42f5acb77f684d355a8bf62102c8f34724e1e348789d0faa3e0b8c3f4c18375f1bbc30925b5b3e1ffa274eceae53ae
P2SH
2200207414e0702ab7d375bcd5093a3793f9054d830d7c24ff0c1a7c2faf913c41e94c
" t�p*��u�� :7��M� |$� |/��<A�L
(witness)
30440220797dded68a4b8a57c04b26c9ec3bd8b7ba2204ca2b4743cf5d1e8dc94c8e618e0220628a433a1aa136d8331384ad3bb27b8e82280198bb4e67a782a59ff35c4b804401
304402204a3c3eeffe46d7d44218dffbc53df367dd5ea5d2ae81677f20e474b22c99c237022041ad8fcbebf9344e17461d4fcdb1be0304928415590b553775a392355900ca7e01
522102b5ba5a3daf2a62bf875b8c93655022867e30d34825ce84104760466ce93a1a7521039ae2cca55066bfcd23360001594566f27a7e68116a7663709c142110bd638ed22103152978028d4276ffb63c16419494514d6e2234ff953ea5e28a27b684d8feccf953ae
P2SH
22002010d6fd0a35242618550443b813e8be5d8abcd0e3828fbadd453a95fb5573a617
" �� 5$&UC��]���わ��E:��Us�
(witness)
30450221008af709a3db80797e2ea60a78627507f645fbcb50782a7804d33d5ebc6f003e9a02203ec7c41bf13077ee942b7ef4e466bc1b182bb3808d7e10c2faae78a3b5d0baf401
30440220407dc9ff431241fc8785fcfb398bb71f7b252ff7b50604a0db045405721a7804022069e0d1d942df84a88ce0e382692bd75bc63ebfba41e82ebb93d1d055dada844501
522102fc8d39bb95d01446b852ca675dc937ab83161b9af313b38b3d4dc78dd0c9d8192103cbdbfbfc421d957f06fbbe1b7f4ac4b67842b7d3512917c5ba0ac80c6df461782102c085fbb80389babd7239384559445f65753d434a3fe74d40be078122277d78f853ae
P2SH
220020c013db25d796af129a52ac140a2e0aeb1d580c9e399d5b208ad447f72d753bf8
" ��%ז��R� . �X �9�[ ��G�-u;�
(witness)
3044022038f00888091fdf8affd61b05906d75d688eeb7fd2bd9b49ebaa5be8a41cc0951022074853970797461f0a74aebc6b1602c677ca29eb54cf5467c5ab083a93056a19801
304402206eb1efb8049187dca4fe779faf2333e5707aa8a225bb80aff86d91ea664205e7022032faeaa5f52b5080de1244763bc90568360a0c6335e79abcef4210800d9a738201
522102d9a24d57f189a3e23d6b3bbe569ed00a96c0e4041530af922ff1594308fce381210246823c88083baee51cb12cf42f540cd7d010a17832d17f7fc6359f7040bb261f2102ea694d45042934716b85001365f728dd3fda79890b8a6de997271280ff78985053ae
P2SH
220020a505cb6cf8003ab2ee70cfd98af8ce524f86c5fcfeb4ae303dec14f1c7511654
" ��l�:��p�ي��RO������0=���QT
(witness)
3045022100e2ae739c6e2e17209344fe94546ea51b60d7d8bfa9b3a4b896cfea4f1013b6f702201d2e173e22966e958a2725a68e934ada8c9ba01de0e3ce804d7927a6550b71f401
3044022064707724c6cc23ec966180f73a2791c3e5da31b3d1e9679bd90d95fc5b3ee5c5022053fb216260f2b6a1683aa9d662f07b2a65dd991fc352894eb4f9eef1943197e501
522102baae456bbfb19c15a98ff09f24c0747c7f455797e05f5386250dd72b9c0e044b2102317d3de809f0d0b22a3a1bea7a9fd629c250c0feebddf9928626188995e15b9a21028803fb2504b191aac85df1f8db6a07d6f9b58084bcc9db42eb26c7fd541718a753ae
P2SH
22002036fd54593079742856be50b492c5c43ab285a40247df02c4c7685f5226c67420
" 6�TY0yt(V�P����:���G���h_R&�t
(witness)
304402205ec1c5a803683dc10fd426627f30f449fc8b768917ac5ce078495af79067997f0220565c94b004256a1b72e8206a9047f65f5bb670ebdee9d3cd334ba59cafabd44901
30440220110d30d1a3e9a955a339f441652f1cdce548c405ed43a4136a23e3983e04476d02200ffd2bb44d5edc7e2dfc9e5edad3415431f66b55e3eb8e72614f99f3b431df0801
5221020dbb83149668b72a58ee693caa7c2dc2a2bcd7fb6465381a3793774c77d2d8f721031e065904d1ec86b8c7235268b8150c7bf0291dbc0e777f6209ced66068697fbc21034481711e86b94753724fac8cd3dfaf47ba6918a42262b3577db197e74669dc5d53ae
P2SH
220020d25b3b352a59fde0135259a6a84dc9e2ed594da15d5b13fb11219b7f9b244fe1
" �[;5*Y��RY��M���YM�][�!��$O�
(witness)
304402202374761698af2913f401d0ea4443484612113aa604c63b3ab534343897f80144022060e6395de39ecf312c71185ce2d0344a33e26624d5a0a2ef3297a1f59a5c991c01
304402200ed0cf8cafdb8ce0fc975ae9da4cebe5922f8506de7f0ef5b19b90098bf90260022035652f298d425916b426f233c5143a4a11ea6736a3b0138490bb8f863cea417f01
522103ed32406f190360423e989eec63514eca9bda17f5250aaca92ae42daf1c76fdf62103103fe240ae536c8ed5d727f4a36632679c05f93b050f3153f1102186612ee1c22102a80023739e2feda813a88f016362ddcafa4a873b75b2bf1eba05c456712d550c53ae
P2SH
2200206b06e4a6836bfb64012b7b9746e41eed7ead9d472ad4d302d312f08d84283bff
" k䦃k�d+{�F��~��G*������(;�
(witness)
3045022100c3fa3f8e0482d5d58c3a4662ab9d9854aaa8b22f829420671fe056569bc5ec71022020a32469937764d99ccf517e3c3f31b4b31f0e79fd703bbec59fe493c9eedd0001
3044022072278b2480d41047d0e3b34052f1b96f42992191e24c5ba3aec390685c04d3b0022008e6386a28ad54d99605b0224cd469c050d04c89730b76a5489cc389ad980f9101
522102a27b4a6c51b4d0409d067065d9cb81c3d798884e9ef5400813f1d8aff77704df210237496960c1c51cd6276a847537ec6f6d4f4d47d832154d7bf50b198e224d51a921025a4cce673728ba0031052688264db663bd32cfc979e132b2a82b91a7165c03cb53ae
P2WSH_V0
(witness)
30450221009e55a0caf11237fdf2a43042ee2762f0bd9216ec11faa3a3169d0a5ddd7bb5be022042695a80952c30efb75fdbf0edd072f0b9eccb7382be6ad4108b72cc4db975ec01
304402200e96c81df5df1b9a0b45d67770cf01522a6dac339d250a08054c216d4565db600220272b2866d9fb1605bce842d0f6ffcc668c87fde52619dc7e009e435de0fa616301
52210369b20009712a0fc6f9bb562522e788e6777bf38a5831f9ffa6cae88dd12696942102e4453ab963dba2c3fb251dff12e2322c42ca7b4df64e7ded1874a39d94c1d0a0210347490e55006a1fbc56c645ec91cf86ede21d5b725ed036c16beba68480e7644d53ae
P2SH
220020e10665b3c0a69fda30cfcfb90a8edc000ae3ce6e0f42094f1682975d69b6b31d
" �e�����0�Ϲ �� ��nB O��]i��
(witness)
3045022100b59dbb70887e79aa31467b7c058abde6ba928ee24860015964c0d83a02f847af02203ec2a2020979a3465f7833ccf497b434a50185ef3f403b9c8e757cf7cf250e5a01
30440220417b9f8c4a00443e4143f6c6e29d6eaae941a991a0258337442d488fc481c1ff022070ede41bdcf88877e430b56df8eda693f9ca8d3ca06f31ea3ec489bb2f70f1ac01
52210259082f6279a0a56d25353d8e40215636cc76532a53db5c027e960e02fd0afb782102b20a98ac750e9a469ab87013dfc729524ba2e391e04a5f8eec090e5e500dbb932102750380440575efd86d94fb63ac0b07a40b8f681de713f2e308b9430ca85913db53ae
P2SH
220020c64601f0e493a85a6916388b5ed2cf4108aa1bd93938172501c091029894d1d3
" �F�䓨Zi8�^��A��98%������
(witness)
304402207330461a0ee396d028f513a53c64f96ff00734cee56c5b2e9ed74d1c5e1b8adc02206d71bed6e19b714127fab18b3e0946532f269db28261e6178ad1acbfc1840a8301
3044022009f906865cd3ef742b8f96b61d0b7ddfcd9e17668ca4cc21d0ff82b3665791080220553e7f762585026d57508e2d56ea942c0298bb45476768d301ba634c65e99f1901
522102c54cd8e9ca53eaa9b777e7eff48d2b585cbb29c0729b9e712688ef1062116d532103d28de6a1d6eb18576315db19af1a1003f7ce277007d8a4ad7726703cfc2ea80321037c23dd0a376cf48ae2fb45a53363d01aaa0aa8cfea8f9debd2c3029036c8e11a53ae
P2SH
220020cb13d202be690637a02f5727afd16f7c11bf4a9763ea173eb9fa5d033cb7ce8e
" ���i7�/W'��o|�J�c�>��]<�Ύ
(witness)
30440220627faacf3f6c025919e57e9ed5182e42f1ba604f7099459814515179cda6c0c902201561fcfff82ba621f55d7a4a9c9f05b2841261c897c25937a41ee72e57abf48501
3044022061e09af26f40f81ea4a225d8ce8e5dc8e684e769c3b4ad0f1a7e5ad7e2bc2d7d0220421cb6b7358e4005886ad8ff04d6dd91bfff02222c0341abbce2fc12e0a0570101
522102f45614d59ee188ca6b1945f4a466d9b6fde0cc558721f303c23c4365e166551a21036ed950e9e0377a89af31a7e3d2c6b21812847f069967e3309fbc2a425a5f57292102b421b967fd7ba7d7b8a9c5590e81ec543b1496444751734c85446f82526ac3ae53ae
Output Scripts
P2PKH
OP_DUP OP_HASH160 7c825fb1edc1f0b7d04ddb9a43c26b39a844d83c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 1360a3d4ad2c7183d3801ed01f3ec7bd0d130f41
P2SH
OP_HASH160 a2ce5aec7d5f2d36c90dc310b070c7ce8075207f OP_EQUAL
P2SH
OP_HASH160 0d00e18641e6df0c54e64d3836fbf7bbf0f37692 OP_EQUAL
P2SH
OP_HASH160 43a84df70cbd370eefe957c7c50d74070e31b31a OP_EQUAL
P2SH
OP_HASH160 66f0b4eda618db1450809ae7f3a9aaa45643b420 OP_EQUAL
P2SH
OP_HASH160 29d1625e21d18608c6ac1e1791c5abdd87364584 OP_EQUAL
P2SH
OP_HASH160 d5181256a7fe8e5aab530914a022d33c8632daf5 OP_EQUAL
P2SH
OP_HASH160 155edab26160f6c210746265bc3219c2e8a83357 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 206b56c95744fe23fd24015e059c31148882b21c OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 21fa6098d0854341118b40d585105fc6f2be6bf4 OP_EQUAL
P2WPKH_V0
OP_0 976fde8a9cfbb3aabd33822201bb3f826ca0c531
P2PKH
OP_DUP OP_HASH160 936dc8241563e6bf0aaceb515bd9c25394852836 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 da18681ae35c6896f0803f1345e9eb3d60e270d4 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 0d7b33f393104865401e88860aebd4574003f009 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cc7b48b3fbdfffa928c28ccc66cd06c92e294604
P2SH
OP_HASH160 b1ef6b39e2821830e0d0be4edc001d79f232115a OP_EQUAL
P2WPKH_V0
OP_0 ea39d042cda2f5f1017f3df080f8ac3bcafcd812
P2SH
OP_HASH160 e8aa3ec45213484478a03b1928027f526331f581 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 1b38a6ee02ab83457817c2147aeffceacc8939c0 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 bf6d1cab3412a3ddbff6c741278c7ec6d241a9e8
P2WPKH_V0
OP_0 37736573c6842a290909ba40fe315b177b81395b
P2WPKH_V0
OP_0 bed1f3a0164c45eb903b6bebadd7dc9d8129d808
P2WSH_V0
OP_0 be6a98358c7bda77c58e4bc10a2da16b35c49497a43b69a45892755d65fbe8de
P2PKH
OP_DUP OP_HASH160 134a67ab2fd57f9b7d8e844cf4328ac349a9b18f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 743981918c1e3d7e1e31e05cbbf0986b22cb11cf OP_EQUAL