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.
Хэш Tx
5b09b56b67b5484ec87555340dce20ede6a9b8915f1d4dbf5ec984fa151e2d82
Дайджест
Высота блока
Подтверждения
313,022
Время подтверждения
2019-02-06 19:21:45
Размер (rawtx)
8,293 Bytes
Размер виртуальной Tx
3,554 Bytes
Weight
14,215
Статус
Подтвержденный
Ввод
4.88289694 BTC
Вывод
4.88255148 BTC
Sigops
75
Комиссия
0.00034546 BTC
Тариф майнера(BTC/kVB)
0.00009720 BTC
Другие браузеры блокчейна
Скрипт ввода
P2SH
220020a5a0ec6f14f2d9609797685ad989b2fbf83ec10853b586c4c4023889d8784b97
" ���o��`��hZى���>�S����8��xK�
(witness)
3045022100c279b3f2863a844e394118a27ba341ef2fe0bd753db9f516b047a9f0f09c82f502203146c08d519524e0be09445cb9fa0165551f4d599efd21f321d9c5dc72bd07aa01
304502210087bb08fdaceb74c90be2a446fbc0986e59fe0cf800bd6566510eebb2f81fd10902200434ac1f7ebdc50a714b500940771fb5f2f0d13bb4591526f99dc5f645a1a16a01
52210398835e02e93b635a108481c17e8db08429c43666f44c28d64de667a9b90d52e42103e3d40a25e8e4a279650fd6010f867eacb11ac191e57bf018ab324402d8e3fef12103777aaef45923c4ca9fe988e5106a3a2f4e5ee25aa310a1af790012fa7446cf2d53ae
P2SH
22002079ff8050fb35b3daf015c2fa611cfa24464dbe908b2def41e5992ce6c900a966
" y��P�5�����a�$FM���-�A�,���f
(witness)
30450221008c465febcac629179282af2a3ca8563ae7fa25891497eecb90937c61a3717c7c02203da46ccd298085ef855e777ba741207942e06e1041d72227016fd502ed63b50301
30450221008f4264e0c9ed1a1185474ac0223917b45082a6678768ac8fd162c8a458e616670220014fae416cb57f0c9cbe971a113ee10e5f064c1fd596e79676111bdb90bfb96601
5221026cfaff5a73c1ab3e7b3c71bd2ee172ef3b5976fc4c663ac89aa2161a0bd4945b2103bb72a7ca1f334c0e13738eeedfcc2e4c0e8e5785d9ca02a0cf09b39a561c3e6b210229e3e7e434044aa16056b9d43096733be7c0e15e937118595e304245ce86c58a53ae
P2SH
220020a9bb62f50198bc119140440ad0f28d18c7ee0c5a5b03e54b96fa0b75677adafc
" ��b����@D ���� Z[�K�� ugz��
(witness)
304402204428502c6e5bbda5c4addb4a1233207f921af3cd7ea16ea874a19492252e8e8502205baf58d517fb7e6a2fc0f95c026125c3eda6addb1216fce39f19c45bfb9f10e801
3044022009a12b7aa698ee421dfea3f65089ff96cf5057bc9931c6a87c318e28991355800220300b736f662d69edad2d33fc2a06c6f3e7597da0e7e71499b28f445f2948d74c01
522103d012a2e91a6f46b1b1e740af765daa83de72cfe2a7b3d546b122e34327c4beee2103d7d6aa60e9a0ee807f73341c031410159a9d41e9c4c0a11522757ef0ca06a5ac2103bf33d252d36421526bd7e8dcef8ec02a3d492ec4bd3b3cee94b28e4cbcc8476453ae
P2SH
2200209498d24e75ad45b2a4d28c731f6b61d8e7c53395f8860006e9965fd8ce3839da
" ���Nu�E��Ҍska���3����_��89�
(witness)
3045022100de69e44a27bcaa9709846a5b04219fc9120d93fbce18b4e2671b75a8a00765a802203feeb33b44f3b63293d5259d382ee9b87c652de9575275e994e4a368655121be01
3045022100ccc91659d672bf416665be35922df1ca64ab7bceabf84c32f4b2ff9af6150264022017367835104120daa9c290830e32f09368c251cd30550e3a06c5d3b3ab8afa7d01
5221038ec518142c8e76a7bd394bb88561f539b020101b19991f01315bf645aee135722102d0b562ae52d4d01a6d01d6831edcf884fe4d19c77c00ccda9295f15fbb86fe622102ec0d0c6c9be3097e3e50de88d2e6cb71bfd89fc45bf5a3e20f8fc286a0db8b3953ae
P2SH
220020ad0075c858b236792bf298d6330f4ab823c3f9a6a9c7f7f9b00d25fd5e755bee
" �u�X�6y+��3J�#�������� %�^u[�
(witness)
3045022100a2b7bd7bf4a3809918b078a88db1bbbac118761e542010b20313c0be9d8b08fa02204d7e4ba11898a97c9fc34b043cd64923f619963be1516c96891763af4a16329401
30440220600426ad1ba3e4ad5938bb49593b8987e55a11738b1469c52bc7f4eafacfcc5e0220705ce06ad27e3d3b1e85bd5b2e2ef863d8f494c3aa54801e059998e33a48766a01
522103293a20d1c83e620a2f1e6a054a655e79a60abbea5cc44bd0809a8bdc1b1058852102974013126bfb4c30d18c6666953680db043d431be9a214830a4e13a21a008310210217c31387cd49aaecfcf2186badf7d8079122c66c5127e131338ddefc9f65d93153ae
P2SH
2200208880e5025af4f801ef8cd4833864d8a24c9b22090599b2c9d9b336a57e6547bf
" ���Z���ԃ8dآL�" ���ٳ6�~eG�
(witness)
304402206698f3a289c453dc2ecc7b7fe09b039e1087230312278bee50efed784e8a028a022042037146bf3719718c57783c23535df86145fb6877ca1d45deb1f4a3c29574d001
3045022100897fc83809360b60521749027afbe6dc27235d10dfbf445168ba86dbfb71c1b7022013d66eb37857dbd88dfbd0af540c8aeb27864a49c448cc62a603f7ec71f2983601
5221028d1ad19d73d8572b6d9af47ba815bead71a7e50e02a92368128be55a1340beed2103a9d93c21a4e52f8e4b5449d04d2131759e469972e9c5e0d57972ce8d98d3cd312102e2e7ba2eb18d5fe5a5550d9220cd682f28805faf9a2c3d90267427fd09e2c9c553ae
P2SH
220020049886787593deff21a3bf491e944f6a25f8c74b1d44cf93f415032814db5181
" ��xu���!��I�Oj%��KDϓ�(�Q�
(witness)
3045022100b3e73d28d9e1b7a0eaeb463334cbd3260a652c441cac4958cf0faf09b8186150022017c2db5f11e4a1831ce2e1bd5bc92963152928ccb7983255347e9e00974d574f01
304402206db5a1c26786d9a68e31652b8bc745dc5f2d2a0953ed87d5dde3399bfb59ae95022050d1316dd14caca0c83eabe1c6de404ffbb1815b85b918d1b247427f06b2bb3301
52210358c7f8482914c9a754ffdeb9a2c5d204c46a02e28aae2fb49b5ca0464d2ea90921035c18ff96c0f335aedb30053314cf64e15154908c06e1308edbdbbe544b6b4cb4210247d9e72c1215399dd3311c934dfd7288b9da6074cbfa70a4336db937f7afc04853ae
P2SH
2200201903a2839cd2a78fdc561caeb9474a15bfa74a86f0704194a4bc91ceb439db3f
" ���ҧ��V��GJ��J��pA����δ9�?
(witness)
3045022100ea9a9b665a621e436250fb08f27c06ca6123c5827a3f24928c99c056f0a8d0a702201edb5c4ab2d94518b0f13f7b5c85c06827e10dde0f745f0455f62dce8ae5a5b001
3044022045a999827f69bfcd6fa60749d3392bae9062677c8fbb18ae13eda80dc6b79117022073aca9862e1c8cd4951b70857529eb26c8078bf978647dac5f2a293e66421fc801
52210297997dac07aef451a6e2ae539db0a89a8291acbf384a24faacea3aea60bf3cd22103f3c233a7bb8cf2ca5b73d3d7d355f1dce5cbb1583899462e3e5797219e5b88eb2103dcac0abf660fbc18038dd465425af5718233beb6542b215af10b779372c9f6d053ae
P2SH
2200208c39439d2eb12cef2c6778f8157ae70314b4e2e11ba0fea6889de4a20d19a17e
" �9C�.�,�,gx�z���������� �~
(witness)
304402200e1b3e84aba3b57a061620c0bb81598c5470bc9b9592bc69d2c31f01a9d978870220361bae2f31a86de992988a75512218b0e65cacb819f1d9429a1b548348f92c4201
30440220270b3129cb8805d3cbd41f5286411e22707b9c8b8c020ec3e7e270feba0b54a40220405ab7ed5384cc217bdcbbe96d35faa7e3a84013cf701d601522d1f6fd50859b01
522103a58d7d2a0af699e1136c97e2ca3a788064cc91119fb740aad624e7e4629236c82102f4752fbd0953237104b2776d31ab3aebf8811643ffe10cf2060127140c0809aa21028e49144883f260c46ad41de1836c5e8c2b23bd8221c5883f1994e28b7489697253ae
P2SH
220020d1239be4b53646dedcc8ea980eb52aa5a6e3fcc4f1e2c9a090bcdd0840113d16
" �#��6F�����*�������ɠ���@=
(witness)
30440220422fabbb80f25fe5f7b69145571bd36316faed3d6ca1399c27e69b48552d0d7d022018ae956b7ffc8fd9cfef46b7984574ff0ae25411ec9681ec9a9881368abd266b01
304402201da915ce2398894d0f990cb65375a02566822f5a38b2da96cd3b6308794af96f0220444d06d5a38795479993bce0b94b7acac8823c52cfb53c4cb1ad9490b27ad5e701
522102845ae47e68d34d120662e0c5e475566bc474ac528bfda67fb0b6f00ef7463cca2102b5e5dae428e50bfa2b788703b3a50b745c2b7d191b2f269dae39b27b22619afa2102999429fbc8e015970db82e4e0217e54a984d3caa160e97839ad1f924055d243753ae
P2SH
220020d0f19575e217e5d308f432ac0a63d487f9fa65b2b93bb376f19dd34f752d4e5e
" ��u����2� cԇ��e��;�v��Ou-N^
(witness)
30440220768afe18558c4ea86116df74933f09bf0c34bceca28a813fbe458742d11615e8022062373a2e68a935061292cb5c3d417fc192c9e15b4ce22d920395903a65ab994e01
3045022100ae5f1a0c756933a8e5e6323c8743cfdafe31774ded2c856190e244fb9b1da1e002205856031f9593e55b24f27bda5890b298a0d1a0f85d2a517e8b21d4e12dc00cd201
5221023bac53a25c5a87c200ec49321e5f5be02e4176f2fb1ebf5ad476d076826bf24e21027e2a84c2b115eb11c0b91c4a8223acb3278d9023335b1bbde9a93a16251ad6152103ac7a727ebbd4f7ed926553de1bddf4cf8bc787ece66278d48f02f3b6c150bb8853ae
P2SH
220020e4b9f3ebc68763e62afcaf41cdb65749880fd164835b4d934606a36c31b500d0
" ���Ƈc�*��AͶWI��d�[M�F�l1��
(witness)
304402203384389abe4bc1364b026e1f91279c64ded8da52f7d3723204ada2313467901d02205564193344c08751ab3f70e7d4e88ce18c757b127c97e0ba3a0376713f9f96a801
30440220560f689d2b47d7706729a0098da806f456f90b0ddce0e9f9f2fc4d76b187c059022039fc5a180022d04519a0c5475bfbc1b5f9e309706d9076bb860eb3d35aab4c6301
522102cab79fc959d3c657ed9e6aafdabc9b3e40752adf9ceba8e5d009e5e44324aeb621033f104927c538594e2a7dc0dfb036de515d6ceec59c881ee0439777ecb8113eff210376a0c5d5fd3bb309c76606b49df01cbbd6cd8310e7913e35f11c2e3925d2c0aa53ae
P2SH
220020316cb218581a86801a51b37f3e579f4753c6ff42f71f0c4f99b85d7a9747276d
" 1l�X��Q�>W�GS��B� O��]z�G'm
(witness)
304402201498f28d350d038001f92af73cac36df863ed4a9e05722f75e2a1f56578f624502206eb09daf0bf57133870802b9259698d607bea954f64f3661966ff2f2f3698a7a01
3044022009dac0fb2e17b5445d3143a1590c416cfb855e95055dc9badf7799ff5c29a315022025fdd95d9495eec3c6764e63a1f167dc047c15b59907181e2f2c7d771c59600f01
522103d40ed152f20cc47903c0a7eb576f97dec1bba6c468460eb19e94000e908388b92102c385c1c07dbced6fb5ab00dae6fc0dd578ca45cb031e9499e73333411ba1c18e2102b0a67279177bc339748093bb02e5258a48835ecf80e6316a6addaeb7252a2a2653ae
P2SH
2200207245a263e96d6b26a36441ebcff28504f145fb9934fcef42e877bacb42f7c12d
" rE�c�mk&�dA����E��4��B�w��B��-
(witness)
3045022100979e1fefb2ba50f6e087bf202fcc396c4347044ed31227fafc1a519ab8ef5f4b02202597670e2b05b75076f3aa3d02649bc040515abfbe91f57b3cd5d298fb13ed7001
3044022079e098db9bde2e86b0674142496dde8e07b736dc70f53a8f50dcafc945552fad02205d96c6705917ec6e58e0d4c27ee5530d7fe2c5313edeed609b5b665e5b5b567801
522102f61a5070c214ad643c179257eafeb5163247a23e0821ed67c22af64dcc6b37242102f8b5c8b00a213a2fa116fa3d9afaad9344629210942f771c0087b51a724508b52103da1b4eaa882d663a182bce9626d89af07aa533359b7c42f6aef2b8a398565a5a53ae
P2SH
220020fd91e581facaef691a297313453c28a41fbdb4bd87bf7d6e4a0fb1028be1a11a
" ������i)sE<(������}nJ���
(witness)
3045022100dd5ce687c09d19725bcfc44f78a5eb878a8c95d07132147e92d73326ce1467da0220474fe787832d1a90dace8991051fbb23abc50bb53479cf74e4883acaecf5012401
30450221008715be9d259d6d65ad76e199c7fb77401f3f8358578c99cf271111fe24d5fd2b02201979d04fd5db9e72da356f1243c9464353fdac53390c898d4a439fe0ea01a1ee01
522103542b4e1f4de17e2974f6b10af1b955a455187bdf42fb902e2366701604e18ee32102de568413df6b1228ac5f569d3e406ae48384d40390827d7b20ac39dbb9eed8e121037d1aa69df4acfd7b39816d410b3cbf549e2330ee987c6b4ae1d9f4e56b638cd153ae
P2SH
220020e3ece322c5310f3065cc664ef310113ed6e4a12e939e93ba56093cae378a5478
" ���"�10e�fN�>��.����V <�7�Tx
(witness)
3045022100b8c28ee9f5b83a1735a8059db48baf589ca2869626e873072f2039d7d312ab5c02203307c7945eadc9cf5e26cba4d1beab0ba8145e69530f52fcaabbf0a61d3aac7f01
304402204670fe22f33514d2568261b65d2ec81ba29e37ddb59b97b5899733086667d49002200ff279a9a4452a6be4ddb41d87fc55022aba6eae5919cd8c87ce07ecfb9e6e7301
522102872fea0266d48d138a4bcb6a88e8b17ed0ab096dd03cca6ea35c7211af702c6f2102eedfbe9cae2da24744ac47f6d21416912e864c3bd06bfa097a25e383a2cf3af72103f414558f6b236f4d27a48cce4f18979be440ad2c9a1ef6d210c6ff8ee66abf6753ae
P2SH
2200202e595401bce70c5b57680098c967be3169e967292e18698b93a6663a9241eb94
" .YT�� [Wh��g�1i�g).i���f:�A�
(witness)
30440220534e387c91f7099583e6a3b9a6210947346caf5dddccace5a5726ef8e01f7d840220066e69514dd5248ff22077a7489b260a3f19509c9d3b35582be8944f04dce3cd01
304402205fccbc0f5ca33cf393bb5f93f0a3abe4c194cbaebda30e03b84e29f319c3e3da022041948a0da6b95e62cfcfe9822e94b102fe51122c93e52258b3ebe94849995bc601
522102b2856ab51f5d3a94e5979045d917c168679dff39fde55a9c1ed95a5bceab20be2103c27d371da64931da15a2b4fad6877b9b4dd6473bc1e85937cbc9e4b0d294bccc2103c5c4bf8366f9b4cfc7de30e96a82729aa66425291aa7e5328489b0832bad39f053ae
P2SH
2200200929225e6f022bf9080357fc00f573f8b113b10ca0e16c75fad038c9b9120831
" )"^o+�W��s��� ��lu��8ɹ1
(witness)
304402204a2082cc888ce85963a647d1c5aa94c4694ec3e4eca699f991c6ef5b2da3f48e02201e7ebd973249c257871a973ff62797bf07d17a76cd62781cae86a5a47967587601
3044022072d8266ecda46ece2e0511a2f4cc6c5f2bd6117b8ac4fa78f1a3ad8ed08729de0220726de538cc66f45243ece6c2062b7ed478ec31b9bb1d040b5aa5e49b02e051b301
522102142c7d8fb3f365aeba48c780b7bf121b7593663e35d4fd87d6b3a61b6e83972a2102499c4d3e2b4bd405239fab2a3d9421ef09ec38764c0a277b517c77bc2242f31c210333fde3f0656ff372dc7fb1acb38281727d88a4058d0c1c2cbc7d206fea0df83253ae
P2SH
220020167419c89bdb33d60557e664481176652da3ee445daea3633c47453aa1e53d6c
" tț�3�W�dHve-��D]��c<GE:��=l
(witness)
304402202f3f8a3ff89e731a8035012eeedb61a3fbe77caf4630a46786e28c8d1a6bbd34022038bbc151cd3d727d1f3bd50a28e6cfa4cc5aaaf7b7c0e5a2ce5818e6a221808c01
304402202c2348d850f2edb939f16ef21d602723597ed547808a57df733d77c8574e652102200ba262c7b822b0dca51c08169a44b07be017733a6a5045f10aedae5ca6a9a6ec01
522103d37dda45a21690ff094c6d250d3563fae63b9b3501e72476dd598970a82e37ee2103ab550d337819e7611255cb60e7fc0edd195f3b6634308947fed0d2e229d7fa762103fc63625a7a6fe5bdaa5e79f5411453590a6be66f9d32bf72fe15e5a0c071555753ae
P2SH
2200209bdd36c9939f5cb8e6c1d9dd88f307ae5dc80dacd51d1acd23b7af40855d973e
" ��6ɓ�\����݈��]� ���#��@�]�>
(witness)
3044022000c559aa11fe8d0f924c3ca75cc1a2f714e700c77963056f39c3a0f5c127da21022056d524979cc5b5d93d4ebb5504fe379234ff8a97b79f498fa636b82ed84d069901
304402207ba61c71e7cd9394020e0e5356708439c5302da8147a023fa20ed6b53a570ac7022014379812a838ed047d00e1741a5dedb5f131df112d6e991a8b204fe7f9cb6aa101
522103b0978b1c58b0c9469627a2531186115801cf7609ab4c06182066951efd91f49521038df925cf31400ab88501997a1f26f600023ceda5ac5a80ac5d56e078a34093e621038f56cedcfef9939d3d0a4ce32ac1c5dcd81b0892a3da253a25a1479e808c099453ae
P2SH
220020e22c81b94822612da99da0584dab47cca4b02736aab6f74f1ffd57ceb5066d06
" �,��H"a-���XM�G̤�'6���O�Wεm
(witness)
30440220114cd9c4053bc6ba0b7f71491b546aa81352cacef6a6029405f8095fcac8855302203a67711b864c68a8dcd4db7452aa9b7389237ac0c42b5a5e1ecdbb85d9c661fe01
30440220164145e3f787077781b6d12d51338daed78a221bc08122d9bf1639d2d677c8f802202c3247626e71b1be964e7b4d9a3bd113c409158d4b9664de799ca9780c91b7cc01
5221028db781aaf79d3a36aa47660a7f3263a491c8d4cf177654ef3025660d3fb50e282103c3a3abf83a5b51b7cfb935f6be7cce130d83218ba59dc9040d74672e0f7764a52103e95a406e2e891ab5975f556ab9c2229399a998ceaa68301ca1a4b478a803899653ae
P2SH
220020961c42f02ebc1191993625838bee68ab217d56357d7927bea725816a2c3a813c
" �B�.���6%���h�!}V5}y'��%�j,:�<
(witness)
3045022100bf8c78aba244d3a83883f6dfb596f3c55e7441bc16df2ceca8de49828f3fc2bb02201c4a477a41cf2ab9d47d1c3683c5ee5bf787d6b366686080d2307f32a4a445b901
304402207b994e960c67fc3478074417bcf37104f31cfe6d75b1fb4a9fe3dd1c3ec7b07e02205aa57c6d1fc64070a9037e9ba1cec63310905898c64d16bfadde545651f3725e01
522103ef7145cc16d5e7cd2b3b1cd62b9819c5bcc4710146398fc6b5c06c690a91399b2102756be133270330d990bcf655df1f706a7ba3f48c1635eb06b49e325e20e43ae92103a4dc18730739a65dd1749a63d0bef4574a6a6c5910260566353a407b584c81dd53ae
P2SH
220020a68b3ea31f6a2aaa31bfae35db688c32de4e67f94b8f1e18380c6ab87193713d
" ��>�j*�1��5�h�2�Ng�K�8 j�q�q=
(witness)
30440220156afc0beecc6e5d77f07e6ca0a24775231f7680285f4017f763551bd07964d7022066720a5c0a89fc085e02a0d54257e685111d78f84a61ad933801d14edfd1745901
3044022079b261bb3661c0c8dffdad39b8d5e10303289ec2d8808a1f9386829f71e461f5022045e49475143bd5b2bf4d1e4b4b6382ce881506d743e9e3c58cb5f4e36c91369201
522103b79d2b908b8c865ee9839a245e8d68ca488015be1f734c390a6d6ed5dd2581c121034e46f79792e9f3d97df0db7074a4c09c0cfa18cf731ef5cc127cadb7689af21d21029808d931ce3f174f0da49eeb2371290fb08938ee0b98ad976299a5e32fd8afcb53ae
P2SH
2200201d9cea5ca87bb4b10424bfe669bc71ef4467c1476ea90138d60249f18cb2596b
" ��\�{��$��i�q�Dg�Gn�8�I�Yk
(witness)
304402207917ab98f502b6ec97bb856daccf2337e1bd896aae48057413d1d718c46dfc3402207fc80d16a2d2aadf415b3741e4ed8b12e9f3e87134cf1729545e5542304b45a901
304402206629d56df72c96603c6a83d8bc16adfc1a7e6acd55c9f111c031e92997ab3a26022028735772fc44ab79651ed74198c7b2bf6b4980ada1cb427aff3e1b89d5a204ed01
52210206b9c45193670968eb3ab0fac518294e1d267b115da060eb5657d456d1a7a8b42102a6ec3b3e4fc632ad0af58e6fffc2999cfb4ef4af3a295db50ee767916d16934a210231cee39668a7a2ab6603119f9892ea98c7f3423e084e9bf785ce93cbb9ccdc3653ae
P2SH
220020982098ca69a9e7d61c5e61af5160c8f5c1fff5bf25e75c7bd46c194c4b2e4342
" � ��i���^a�Q`������%�\{�lLK.CB
(witness)
3045022100c452e3bd80f4c36d13932ef17fd35cfe5ff9d5779d031e5f68c335ef6d584a5402200e9272072ccc411f9c68e1176fa4132c26a624d28ba550f5be0b9d10ff0e44da01
3044022034b48e2ce3e04193e4cf6b63e43213b904b907c1597d94831a5f791d9fd31d6b02201932884377a85919df9680e3ea6d61a5c9dbcac16d1273798b773bfe6f3a0bc701
52210233fd883d07d5116cd8fbec26ba19d040f90f7dc31d27b56a5e7009e1ec34235e2102746af3dac3bcab3239675cde62fa1b35978c04464d39d92fdb9fed2f6b29529f21023f772102c88f2513db5caeb1cc766edcbe12944e0fc4ccd76920d6e71ec5441d53ae
Скрипт вывод
P2SH
OP_HASH160 566bcd19e550bbafcbd09a91f301b442341d7afb OP_EQUAL
P2SH
OP_HASH160 48f6ec59a79b9361745dd18d944ac9d1650c1e37 OP_EQUAL