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
1.99977977 BTC
Output
1.99797941 BTC
Sigops
150
Fees
0.00180036 BTC
Fees Rate(BTC/kVB)
0.00027000 BTC
Other Explorers
Transaction
Input (2)1.99977977 BTC
Output (202)1.99797941 BTC
- 0.00015689
- 0.00052689
- 0.00058766
- 0.00038049
- 0.00147513
- 0.00050207
- 0.00172554
Input Scripts
P2WPKH_V0(witness)304402200c46ba30c42901d10cfa9fa8afb548e03c0294fa5f3ed9cabcc56afd2228420202201362ed16ef2de8462cc6a0bd84acd848d7dbf5729799829538f7bb8a95d4cec80103f5cffd4a404044ade594a92ba23749399acb3c0b211a80c8c53d11dac682c283P2WPKH_V0(witness)304402200d163be035e0d8db4b7acfb0521f0056c3bfeefc2f9618a228b721b332b3abb202207e80823cfb7ded45c07de29c91e93d00970e461d900781590d99c192d7c214d301032048fa4a86f7f84f23580871c12a762a49b4fe7eb5413240e6916b3076f4536bOutput Scripts
P2WPKH_V0OP_0 742194e338a3e4ba769afca5c4e69db9d88ac65eP2SHOP_HASH160 71fb079a58a503f5600db1ed9b8bf6644df5776f OP_EQUALP2WPKH_V0OP_0 3c31aac587f4d8fb165f10b0daa58c8b50b8eabcP2WPKH_V0OP_0 493631b3eabb5358d43f94f9691bfd7935b9317fP2SHOP_HASH160 9f766d68a6902f6ba6467b9fd289c2d9192f2204 OP_EQUALP2SHOP_HASH160 37837366cc7a076d309bb4b43c92a464e69a963d OP_EQUALP2SHOP_HASH160 390adc99d688dc98fc1412ddfa8e7ca7932dace2 OP_EQUALP2WPKH_V0OP_0 9aa985ac1f861297b2719379fbd0db47df571bc1P2SHOP_HASH160 0b78c4d891e330b91bb56e55b9c4fa22cedbc0b7 OP_EQUALP2WPKH_V0OP_0 54cb760a61f1b2ec497a3ff8cd764d53a50d7d44P2SHOP_HASH160 09ffb32fe3730781f38fc5ef44bb6ca5dad63788 OP_EQUALP2WPKH_V0OP_0 8d3a2afcafd2ce6af685e94042082afb4f30a397P2WPKH_V0OP_0 9832e8f780228cc55985d65f808aa9c3cd7c678eP2SHOP_HASH160 f92c44446d30020a9da9cfc9bbe88f2814ddc155 OP_EQUALP2WPKH_V0OP_0 265b37248b4aa600b0dd07eaefbcdc9f7d3c2794P2WPKH_V0OP_0 b50ca50566d181ebcaf261ee9f7ebe6b390ce636P2WPKH_V0OP_0 99b0190bed393ac0a31cece5a1010cc22b15759dP2WPKH_V0OP_0 fae397b2a4b34e9d14b278eab1c2e2b1c6609b95P2WPKH_V0OP_0 8973189a5a0c10300884c1768d0d5ef343dab803P2SHOP_HASH160 f6a95bba51dba2e6504685ad581161bac3ec5a29 OP_EQUALP2PKHOP_DUP OP_HASH160 3dfece4da83b3a458373137d1af760c7728bd42f OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 8ec543c2f5fffee47fa22122a75ba0ebcd88c765P2SHOP_HASH160 8b7664a7765ccd5d7cefce7afe8350d690b74ecb OP_EQUALP2PKHOP_DUP OP_HASH160 6fa7be45d16a404f46c7c8fcfcbbaa1bef599b9d OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 73d511c442c9e3060274b5589ee0dfac60ac7b88 OP_EQUALP2SHOP_HASH160 c97b7ffc8e8615046849aa45610588e116738e63 OP_EQUALP2SHOP_HASH160 7f663c07a1f95cafde9481ba78073fb24fc5cc7a OP_EQUALP2SHOP_HASH160 413f569414f1b6a738dbc06486603262ca787916 OP_EQUALP2SHOP_HASH160 88f3c990fb8427199f5549c2675a20d6dffee3d9 OP_EQUALP2WPKH_V0OP_0 1f4ce91b09742ae72ece345fe40f803d8df7c1edP2WPKH_V0OP_0 e006a891e299e1c0f7a4237bff1c25456d25b4aeP2SHOP_HASH160 db871ba95614f00a34d0b80ce762709f75a44688 OP_EQUALP2SHOP_HASH160 d2fc87baee1c8350c3216911dfbcf6d4da93fe2c OP_EQUALP2SHOP_HASH160 ae529c2156567b844b3520dac60bf0e6a2bbb695 OP_EQUALP2SHOP_HASH160 2f00b4c5d129ad6a3f32cb8c9998d273f8d7bfc3 OP_EQUALP2WPKH_V0OP_0 e201225187ca79e977247b8b3c2fd2697e3983d0P2WPKH_V0OP_0 c451821fa3bb50a1074f23d089be6a217e7bf24dP2SHOP_HASH160 4a9aee33625da42d84b928537c93f81fd199eca2 OP_EQUALP2PKHOP_DUP OP_HASH160 a752813ba5e5fcbd4e87c6fc143f5250365ed926 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 b3c21f02521f3b0e899c68ca968abf58c04ceb66 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 bed27a2cd30e69d6ed1861c98838a9478ac451b9P2PKHOP_DUP OP_HASH160 9a85166300f56f936273fcf66b38ee83c90eeb6a OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 e17a96a9a52154eed4d1902109b4fa0e3694ae5f OP_EQUALP2WPKH_V0OP_0 2451a2b8da2f9c87965fc46e6f38ceb4014bc21eP2WPKH_V0OP_0 d91e3d1770816d4dd3d8e365038d56815118fb52P2SHOP_HASH160 b6a39e2ee1d8dceaa54e3b364ca04dad2a248ad5 OP_EQUALP2SHOP_HASH160 1232f54451376e5c5a3e869fa89a7522aa104f46 OP_EQUALP2SHOP_HASH160 5dfbb6589b684a3f6dcc6ba8b493ca33470d7543 OP_EQUALP2WPKH_V0OP_0 61c474e0129db99884825a446e5ce4e0890c47f1P2PKHOP_DUP OP_HASH160 16a3f79ff0d0fe39ccab10361964ed8554e1a36e OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 404f71c887db49bf971aacfae4a030fc50ab5a7d OP_EQUALP2WPKH_V0OP_0 9b426f409bbd500256dbd7058fda168cf6f4a9d1P2WPKH_V0OP_0 2bec03cbbfea6f6c203b523d3625200dfed3ded3P2SHOP_HASH160 adbce43d20c9a046659bbd12602ddbc0cde3c327 OP_EQUALP2SHOP_HASH160 dcfcad5b899934d816cbf5097d15e02b925d1c0f OP_EQUALP2PKHOP_DUP OP_HASH160 8b05a10d814d4f032193080e4ae44e4fb2879452 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 d0495936a6b1215e83afdd934f06c4ca19d3b331P2SHOP_HASH160 d1597681c2e29c1b0e60cf2a24ff0f2d0ec605da OP_EQUALP2WPKH_V0OP_0 5b912499f4d56f77798d5b41e242756f46937c28P2PKHOP_DUP OP_HASH160 d8580568fd2f351af9097f4fc354f909d670b1ce OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 cdd414f53343759d1402445dba080258ba3847a6P2WPKH_V0OP_0 7d46bbf30b9ab03527f9daa5534ba367c39b97e5P2PKHOP_DUP OP_HASH160 5586002a7b85702081107cd705a4d01391013de0 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 940159ca51f7e9fb9a3f2fbe0b1b471df43476a2P2SHOP_HASH160 11d1c7972bd88c4ac88cd78fc2ec3a9119cbed6e OP_EQUALP2WPKH_V0OP_0 2a78da5febf135241f0ba4d3ee4d3203c97cf65aP2WPKH_V0OP_0 c342c90fb6b409f31c874de08bee79f81a6b71c1P2WPKH_V0OP_0 6236b81280df33cb303437a3cd3e5d2e78891f5bP2SHOP_HASH160 a8dd1e633822ec807b6ba6c6b3b7254c236118a4 OP_EQUALP2PKHOP_DUP OP_HASH160 4e8f37b4d7f5482565c4115480f214eaf58553e5 OP_EQUALVERIFY OP_CHECKSIGP2WSH_V0OP_0 7efa3f540bae73825210377e23633cbef5280d8be394fa92dea9fa1a263ac8c2P2SHOP_HASH160 906e4ae027a952f8f4625c817ca948403fb87ba1 OP_EQUALP2WPKH_V0OP_0 fa01dac3ebee0c65467457e353d92d3a47220af3P2WPKH_V0OP_0 dbe9c7223f94b46ade97bd52335f7f7140b3c689P2SHOP_HASH160 c58a67c2a42b8d6744edca379580aaa976f7f9d9 OP_EQUALP2PKHOP_DUP OP_HASH160 4949c38d2163bac450dc28506c3d4726e2c72bc4 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 37b2d32e1fe4c442a371aee07cbc22ac1428dd5eP2PKHOP_DUP OP_HASH160 a3314c5589f7a7029c7d5e09fe71304d85f98d30 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 b7f7711ba9da4bc2ba84134c02b45d0a8e1f2ee7 OP_EQUALP2SHOP_HASH160 550fffbf6e9d8436eb1629a4cf83e70e4ad4280c OP_EQUALP2WPKH_V0OP_0 64d84c53827d43559ca5d419eac98735ce3ed615P2PKHOP_DUP OP_HASH160 077fdf4b87e59871d981ab9cac81523a49ec8923 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 24520bf15611e664da0158eda6249d37463c0ba9P2PKHOP_DUP OP_HASH160 49fdb021a0a7e15e7d9865c0481e77bc372e69dc OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 23f3e6ee38e8e28095da62a90b93c17ccc375b74P2PKHOP_DUP OP_HASH160 9de2bed612991f213317353a8592aabdbbf76e35 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 fdd17e03dfbb146dec9c75599ccf47aca72f6c17 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 fc1bf38a66944a86eed99ffde4b562ca7c5a7d7c OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 37729b5a734067cf28e87d96711407865b8aef6d OP_EQUALP2SHOP_HASH160 3b02e47b9f8423df7ea5833ca54538df1beb3fcf OP_EQUALP2SHOP_HASH160 63cc3cf55d019fb2f64f88ea1a1309198ecb3911 OP_EQUALP2PKHOP_DUP OP_HASH160 cda0e9d0957fe83a9d058c19b4581359c706c163 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 b8e1631e48c04d12e7627851650e7a688b8b0903P2WPKH_V0OP_0 5f2eb5a9f329f86e6ca0dad66fcf1a99c30eb3a7P2SHOP_HASH160 8fe37f6b6d95de0bc5b39385f9c26f665e194ed4 OP_EQUALP2SHOP_HASH160 c7b95892876de6dbf4e5ae587190b5da06dda325 OP_EQUALP2SHOP_HASH160 a9e6c5d984f31be51078a82a6850040fda057e8f OP_EQUALP2WPKH_V0OP_0 ef87346e6e8ebaf3df25891fef729f623f5a5308P2WPKH_V0OP_0 a9efc7e073112f4d1fed8f3feb4b6f49b9cd96a3P2WPKH_V0OP_0 5376e315d1a4ffc59b10a13667286185686ba9e1P2PKHOP_DUP OP_HASH160 21804af37209b982f5bc0e8bc5f175fee5dec4f2 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 8658705eb8b0c40b2b9fbe40d090c2c25878fb20 OP_EQUALP2SHOP_HASH160 ec9ed50a3a557936acbdef583b6d41a7d0d9f66d OP_EQUALP2PKHOP_DUP OP_HASH160 29efe677eea684f96a8d0ecfb0918a93d67a5b46 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 8feae43f829aff068bda71c1497d700dd2c16e84 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 8c81018b75afc7617bff1619f651c1883e4e05dd OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 d0827cbfec9c38b34bebf419992f0710b85f253a OP_EQUALP2SHOP_HASH160 2e5c4041e54f7e37ac0cb3fb84a6d79551ba583d OP_EQUALP2PKHOP_DUP OP_HASH160 24e136d10f23397a473863f90a6c312a9c6e2443 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 e29c69faf27fe46b2284efc53a1796a2b608d69d OP_EQUALP2PKHOP_DUP OP_HASH160 162017f03bf8cc73f7a6930e28196c467f9ee768 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 f495f12abe18b5c12cfa932ef04d386e581bf7aa OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 821ca3534b331a087eda6f85660a5f0d8cf5cb94P2SHOP_HASH160 b0d0fea2f91581d42feaf5b70fcd25b4562a6f17 OP_EQUALP2SHOP_HASH160 5d444c3e1f6f76a4aa21d15e37715136bd6f98d7 OP_EQUALP2SHOP_HASH160 250edb25641debe132b47994fdb22645ee03f3c1 OP_EQUALP2SHOP_HASH160 a18046ff631fa608c7b489ca99b89bbf4958ae57 OP_EQUALP2WPKH_V0OP_0 eaaa5da240156bb040b57914bc7492e187df12f8P2WPKH_V0OP_0 9be42808b4bef55e54ca1abe338e4c5bdae99432P2PKHOP_DUP OP_HASH160 1ad025195af9fe48ea0728ed402e0158a4a4d214 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 7d792b56b29f4a490ba2bc84aef6664375797ce6 OP_EQUALP2SHOP_HASH160 334ae3ffe201032844dffb8c16de69a59da5ddf9 OP_EQUALP2WPKH_V0OP_0 d8db1c72240243d9f09bc35c4426148d78c98899P2PKHOP_DUP OP_HASH160 5781a0d1ba14e4e2192200f0aa88e6ba56564e5e OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 04718b1a82791285099051ef2c5712e19de6004cP2SHOP_HASH160 e53e81649905490a93a3efb9fbc4d502df26536f OP_EQUALP2PKHOP_DUP OP_HASH160 85723259b01ac23bdaabad4a0dbfeacf9f2bfeb2 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 3c3afd6e78cbb91dec4dc147bba0534c2ac62dc0 OP_EQUALP2WSH_V0OP_0 73d4113007fa4b63ed181112c7413cf693bcdc07fed029d61395325dc980dc38P2WPKH_V0OP_0 d1ca9154e06fcd66cf3e4c1e51099b21c5719a00P2WPKH_V0OP_0 2d620ea20c87e82ab293f6669e362172191c2250P2PKHOP_DUP OP_HASH160 c1eaf05ee4cea7bc9dd4a3df856ade5f434d06dd OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 970a5e3407acf0b8c3f583b52e54de9f4a8ed78a OP_EQUALP2WPKH_V0OP_0 6bc2b141167db27358db76b671a9142779b70bd8P2SHOP_HASH160 abae49c2afce8b48731e8dd20657553dbf9dc1cc OP_EQUALP2PKHOP_DUP OP_HASH160 8e8260dbb33cde929cf0c1e1e7dc29a856be53be OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 f14bbdae3947cead1ae01dfb2ffb5a41f87da1adP2WSH_V0OP_0 56ec9764b3b3812396b829eb934755cb4a084c96c75f5a8deb9e13bb96ee26a1P2SHOP_HASH160 858c8543d22b6508c849184bc2433433be0eed30 OP_EQUALP2WPKH_V0OP_0 d420629f3b74f4c6d09516227da2b337748f1fd2P2WPKH_V0OP_0 53e46f729f2e52b139b46b956cd2abc546a89abcP2WPKH_V0OP_0 6cddeef58b09dc12f93a5eb0c01c7933826af386P2WPKH_V0OP_0 1275f775072cbca35072bd1737417017163fecf1P2PKHOP_DUP OP_HASH160 211fb013b206487a89a7fb1b6d4ea57370339f40 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 8aeda301d2621fb37ed8db91dc12af176042cbe4 OP_EQUALP2WPKH_V0OP_0 1ad23183bd07f00f56cefb456ee605a0636f284bP2SHOP_HASH160 922851d97e2b998ccd7bd11a9d0f9b0c8b76c9e7 OP_EQUALP2WPKH_V0OP_0 aebe4a6372b486ae9a202b0714d96847b9edc312P2SHOP_HASH160 7448246ebc04cbd19f9d16bc6bdc675e91d74754 OP_EQUALP2WPKH_V0OP_0 4779cc52654d9b3b4c28b497a92d426c366e1529P2WPKH_V0OP_0 679a167eb185af1557be0b6e1cac38f53b9951abP2PKHOP_DUP OP_HASH160 c27b8516612ff119cbca7256c8fc0af016a593cf OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 36e78fcc3a63f66538d382c3119f377ee45da02b OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 410c55adf9f6b4d30e9b858657cde0aebe160c03 OP_EQUALP2WPKH_V0OP_0 ccc390664a86d25113f80d9c84c11cb1c3062145P2WPKH_V0OP_0 35980402d39c57e91c6e77091ccfc09131982181P2WPKH_V0OP_0 6ffa453190c02c908c4d22eb09f3fb3280e3439cP2WPKH_V0OP_0 cb8faf3c040530608da2f3c6513ef111fee0b786P2WPKH_V0OP_0 1beb62679c066f9d7953a9b1aecb74aa1884e068P2PKHOP_DUP OP_HASH160 a7c02c520c309ac9b46912294752ad5139885644 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 2c77060ef678701c079ab10d94633b9db45e4151 OP_EQUALP2PKHOP_DUP OP_HASH160 4b6087848eea01aefaebbdd049f7769c9a52f058 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 8d9e79eea7925802c4d26963ac6a06338106c973P2WSH_V0OP_0 c1d78c22feab212e92ac3409728bb88122dcf5d678f5a60d8d82b924f1ae9017P2WPKH_V0OP_0 6ab9290404784528cfa9e510e290aeb5862a2a64P2SHOP_HASH160 1a60e7bc5e1e6eab9eea1929309a246a0617a940 OP_EQUALP2WPKH_V0OP_0 4cdd881008f2f88a78fafe94197f45a0ba485f81P2SHOP_HASH160 18b79834d3a2abc3dcf0c70e88c0ae10fba810e4 OP_EQUALP2WPKH_V0OP_0 6547369cc963e6083d179db27923fab6b46dc89bP2SHOP_HASH160 36a68c449f86759b82701c9f5828207ecef4f33d OP_EQUALP2WPKH_V0OP_0 6a6792cc2dbc3d11f7ccbbccf73814b68e57c24dP2SHOP_HASH160 5557c59c38f991b847450d79a292d5663a8ebdcf OP_EQUALP2SHOP_HASH160 d3995c6930d375789a42a00deffd1f7346026180 OP_EQUALP2WPKH_V0OP_0 0913a35091f33072314e940a0d864c196c7df575P2SHOP_HASH160 c3cf89d1055513905894de085f9841fa85bf470f OP_EQUALP2PKHOP_DUP OP_HASH160 3e825f544056f463249065367ce5b26ccd8ac590 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 21448d6d286fceb1f9d2ec310bdc12cc883708f5 OP_EQUALP2WPKH_V0OP_0 df7c08601b7326f0bd7be63b80b4ecfd17892a2aP2WSH_V0OP_0 e02251de5e1d4b2cc8ee20d11672fc0fe70ce1772f8c904af436932deb494d05P2WPKH_V0OP_0 2a25b8315fc655ecbe8e18cb7ddf2e40516a7defP2WPKH_V0OP_0 5341c226b1d8e9fd9dd018046880e6a1f677fea9P2PKHOP_DUP OP_HASH160 abd919a8ae9dd39fba48610c39e4c98736405a91 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 8d5cc3b0cc55f33b0ee93636a7c5cce12c3fbd7d OP_EQUALP2WPKH_V0OP_0 1c64b15a19ed9c0ff9aa78e045470b87df0286d4P2SHOP_HASH160 987d303c2f966fc4d67a65750116c0b35b37d6f0 OP_EQUALP2WPKH_V0OP_0 4c4f4aa3af0e9b48da83bdca74b67ce8e3a969e0P2SHOP_HASH160 0576c8c0a8760b27bebbc733865f33c1f27cb7eb OP_EQUALP2WPKH_V0OP_0 d645a79470e8d0e6d99b502ca0690213a009e6cdP2WPKH_V0OP_0 d2854f1dcfc262a3a256bc171fc69e05fdccc64dP2WPKH_V0OP_0 96e805c56df6c208cb8d78283bc6840f3fb3a343P2SHOP_HASH160 80deb7a9df066dc005c1039523c22bb9fe68b0ae OP_EQUALP2WPKH_V0OP_0 80f21f463c30bf59e3538beead398d6766d89124P2SHOP_HASH160 fa1fb174c1cdb28af0c145b12f5f1e5bc8b049e5 OP_EQUALP2WPKH_V0OP_0 5ad39271c49079cefa7a66e86ae906219334bcbcP2SHOP_HASH160 3c23af1ad7a35fed2f4496565a25d60cb0ff4d97 OP_EQUALP2WPKH_V0OP_0 25f5c4a82c9432bc37c5a0272c915e7409b7d18dP2SHOP_HASH160 104b573eb24ef2e91f3aa7c24cea370de52857ec OP_EQUALP2WSH_V0OP_0 d2f4f70a2a65e1c24701fd60a5c8f610335f7289dd76631f9501fd76b1ed9d83P2SHOP_HASH160 077205450e5b667b816716455c688f448a0942db OP_EQUALP2SHOP_HASH160 ed087cd496181e8063a4d1b882ac9f849a142d46 OP_EQUALP2WPKH_V0OP_0 012ea01683270ab5d13abc11907833890cca8d7cP2SHOP_HASH160 83f7ac3c96878bc372670f93405ac3baafc0a874 OP_EQUAL