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
2.88909227 BTC
Output
2.88783085 BTC
Sigops
177
Fees
0.00126142 BTC
Fees Rate(BTC/kVB)
0.00019147 BTC
Other Explorers
Transaction
Input (1)2.88909227 BTC
Output (198)2.88783085 BTC
Input Scripts
P2WPKH_V0(witness)3044022025253e13ee09a34633fe7333d8e84a0d4b04ec5fe58f2b8e1173fc5ef20f357d0220228b7ab641c1b0c5c92dfdceaf299ae88f2816f774f955f9ed8060bce57ebe540103c21c6364911628f9dfd7d969e228feab60cddcb00a590dd8877a44e4e40ef87cOutput Scripts
P2WSH_V0OP_0 c7d909138b438e36b07403d83a909ae566ef4a030deda3d5943293f2d8888d5dP2WSH_V0OP_0 86230104852d2d857df5b9359850767f09ad5d112b6fed634a5f0b3430e68250P2SHOP_HASH160 68b9759af218b78a396ad52a788fa3606db70cc2 OP_EQUALP2WPKH_V0OP_0 f43cfccb87019f3d22eb3d0df5abc1d1fd13b34cP2PKHOP_DUP OP_HASH160 784b617733722ac6d7d65a71357e8b8a1d3f9975 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 b84ef8db23220fe022a8895473513368773e602dP2WPKH_V0OP_0 1ffe8700717bb78b7341b3d000532f11a826b393P2PKHOP_DUP OP_HASH160 4ae529d5f6db03dc2f77c4eae7f7387ee92ee2a2 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 9e35b0d418149274a5532685f44fac2a4cb7bdd4 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 4d684a2023b27b89e1da1db134613d0e149443e2 OP_EQUALP2PKHOP_DUP OP_HASH160 8f62982abaa9542dd70392e15387f7056d2bc1fd OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 2596834bac633c1524e40b9b84ecadad96c2bc62 OP_EQUALP2SHOP_HASH160 2b5757128f83f0bf464f15c26dfa8a6c30686953 OP_EQUALP2SHOP_HASH160 b66801c5afc8149b73523f29c0d549bb5a33156b OP_EQUALP2WPKH_V0OP_0 6fb8c8eeca833870b31f95ab546e5ae27bc08f00P2WPKH_V0OP_0 319757ca8f962ea5c2d40e4dc9bea951dbe062d3P2SHOP_HASH160 7885ae4b4822d01b562509dcbf9e897d229ba1b7 OP_EQUALP2WPKH_V0OP_0 34e0957f69b945d7f9a8d530691a4d8f9a041de4P2WPKH_V0OP_0 0f86ab0075be2ae2decfacbaeb21347bb194055eP2PKHOP_DUP OP_HASH160 f2bbbd2f7b66c8548a4a452e2e9028bfd65d45ae OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 1336b67cb62a9a7d709bf6797e0edf69f3e91d67 OP_EQUALP2WPKH_V0OP_0 77434b88ad3a9a56085a000f669214f7f1482eb4P2WSH_V0OP_0 1f6ce26574b96ec65d80489637523b64ecf3c9643670313c1382b4784d97edbfP2WPKH_V0OP_0 8cf1809f874bb16c2570ff08304023ae2b1bcb47P2SHOP_HASH160 9d4b0b9c189a64d4d323b31c134e46b99a7e23ff OP_EQUALP2WPKH_V0OP_0 9fc4b531005ba5bad8a1beae4a7f17b19fa11067P2SHOP_HASH160 28cbd79d856f8ad8b23a9f3c5ae6e2757e003c15 OP_EQUALP2WPKH_V0OP_0 7eed692d169960362cf369174d828a899b6088a5P2SHOP_HASH160 384171c45671cca15a1a03e62cb82bf2df5e2be2 OP_EQUALP2PKHOP_DUP OP_HASH160 679c9d3e20a80db121991d819cce6857449e05d5 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 7a74c740d62ffe9aba9f2b1ebdad2c9a3c8e80ee OP_EQUALP2SHOP_HASH160 77a433e4803ed43ddb3f8cc2426c76a20f211b66 OP_EQUALP2PKHOP_DUP OP_HASH160 398fdbf7a37faed0a53f05f1ffc0dc609cd39e28 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 0f670c5caf6abcfc215d65ad76ad642f86423399 OP_EQUALP2SHOP_HASH160 19947cc4cdd3070ff2fd3ad28c6119371da49f37 OP_EQUALP2SHOP_HASH160 3ec6bbb3a9331072d39a640e98db74316ed60bc4 OP_EQUALP2WPKH_V0OP_0 aa725a3b7122109b979e83843a2576733c75b031P2SHOP_HASH160 7b220a13355822a56956a0580bb8e391d47b26d6 OP_EQUALP2WPKH_V0OP_0 c6f730e23050944b0dfc7fec646d6e92e8d4fb38P2WPKH_V0OP_0 a741fb560ced864b63fbd888b4736f63e82d1875P2PKHOP_DUP OP_HASH160 8a5e4352ca349e4c22ce096d018ea68a2be3bf48 OP_EQUALVERIFY OP_CHECKSIGP2WSH_V0OP_0 d71edb1a0988e7b95f5c9e9cbe0830d58fb802218f06ba39f2dc8a2cf4217452P2WPKH_V0OP_0 352802be6ea52f5335b0eccf663cdc24c76e9760P2PKHOP_DUP OP_HASH160 dbee916f7870a7ce4aea90fb48103cfd576cc8bb OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 bb64fde6df3b6e55fcace2991d586ea6a495fbb0 OP_EQUALP2SHOP_HASH160 c1921ec1c4286609f3c8c1eaa479045b6d4fea3b OP_EQUALP2SHOP_HASH160 68dbcf28d3c5379fec5769627af7601459fc6db4 OP_EQUALP2WPKH_V0OP_0 c75f2cc0d4f238cad8f44ebd2393f377fab3469aP2SHOP_HASH160 b729af4fe2796a5103fa22e8dbe242ca1f5a8910 OP_EQUALP2SHOP_HASH160 06969b033ac4401471ebc6780296bdc06c4716e8 OP_EQUALP2WPKH_V0OP_0 436679150d6511ba42cc8bdfb9fbc463f2e6e696P2PKHOP_DUP OP_HASH160 87f00864637432c7bbaf78b7b406568d81bd07d8 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 c69ec1bf3029fc6134bc33e306e3e27307f705dbP2SHOP_HASH160 86a2361caac0e3269ac8533a6d71b255e84f4234 OP_EQUALP2SHOP_HASH160 f720d66d85716d6d8b58fd7584ec1302de6e8904 OP_EQUALP2WPKH_V0OP_0 22f82c7a09850951935578a15b1695f230ca7be0P2SHOP_HASH160 10836665188f649f4f64510d8bc7e7217a4a2fd7 OP_EQUALP2PKHOP_DUP OP_HASH160 72327fb8eb4858743af4e97835e2e9ad1f07e72a OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 2c584ea90fd67ebdd3719d5c195510660974ce07 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 fa377ccb26052b76d38f031b10f632d57a6002ac OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 ee8c15fa4a65969c7dc6c5c73b3f5a4cf30797e6P2PKHOP_DUP OP_HASH160 fad97d3329b183576e6469557ffe222e6f966595 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 4892f979143e1e98671c361258a6399bc9103e50 OP_EQUALP2SHOP_HASH160 c72cdc4131b7d33d429568800894cbf7ecd3b4ce OP_EQUALP2PKHOP_DUP OP_HASH160 9ada4be09f316a6861b3d1414af5d61d3f3ef401 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 ea111efbca1e74cec454a3aeecf214045186bf9a OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 18463475c645812b3938b546e2eb152ada4f2f4d OP_EQUALP2SHOP_HASH160 510d5a9594bda069fbf7cb5f0523f3c596921860 OP_EQUALP2SHOP_HASH160 25dce527346a3b2313b2de8925c2e1b9d797c8e2 OP_EQUALP2SHOP_HASH160 84522c45598256061b6938dea191cd11bff79a09 OP_EQUALP2WPKH_V0OP_0 7123185c5cbfb5e32b411a2ad965db2d12bc046eP2SHOP_HASH160 c7a2fb66870313fea6d5e641ec14b5f4991377ce OP_EQUALP2WPKH_V0OP_0 d6e060eba9a8e566a15e8cc30cae02f6d186df12P2SHOP_HASH160 03724477d5a6494810557330a0127fa3c26872b2 OP_EQUALP2PKHOP_DUP OP_HASH160 8947de5652012fab5fd7e729d9f2250827e6985e OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 2c484f7ea35f992097287dbcbc26aa57ec1ce743P2WSH_V0OP_0 0324b44cfbe5e4d13e66150f82286b47e9fd6a5caa6b7e6797a3dab2a1016060P2PKHOP_DUP OP_HASH160 8fbb1da53cd0e576c563cc3b5ee1b3ba115302a2 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 66e1a3f2b34512b4251c99717204de5a2d628acfP2WPKH_V0OP_0 02dce155c20cebddd3c5d89a6807c4c8295e154bP2SHOP_HASH160 e3febffcdb9887bc52f853d53697a20f6510c758 OP_EQUALP2WSH_V0OP_0 c7a5cb7555df5a0ec92ad9996940d52e600b65c5f3476f9d4e6c0bb85859b6f7P2WPKH_V0OP_0 2cd6f664032dfa4a1a11817a720fd49809527b31P2WPKH_V0OP_0 f2f18f549691107299fd46bddbd6898db5fbc892P2WPKH_V0OP_0 8bb6edd03bf62bcf02bbf29e9918d7d76e3db68bP2WPKH_V0OP_0 4fd005687b8e50ed2a588e70402f0de911bd46d8P2SHOP_HASH160 735a69b56d177a1f9e0ac3e10aa7c58ef756b928 OP_EQUALP2SHOP_HASH160 e068027214fb016ac56e165dfeb38ad7a001ef13 OP_EQUALP2WPKH_V0OP_0 302ad62c94f6e91f9fb73563f77867731ff45d44P2WPKH_V0OP_0 f039ca6959eb5b3fda6a24b8e3bc3f59a2c13b16P2WPKH_V0OP_0 11fdbd88a852ced331c9b7c291b5958ab97f0624P2SHOP_HASH160 c6e870c36222fdefc6dbf1871f69b8bb8415f0ff OP_EQUALP2SHOP_HASH160 80daf7965afa0e0c64058876cfe6fc8cdae0f0b9 OP_EQUALP2SHOP_HASH160 1d4c7978fbef916bcb20471ca15aa97a0e0948ab OP_EQUALP2SHOP_HASH160 9ac1f45d4301f97e91e7786d27a3192918503c06 OP_EQUALP2WSH_V0OP_0 9f5d2fdc5e2a68bf26b52deb7f39107309c1010cbd5bd79e8864560076f7b5d6P2PKHOP_DUP OP_HASH160 4f4a54a9d4c73a804e2d281eb613999481e8cf58 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 27085e18b317c10145d8625ec1c38ba57ce73743 OP_EQUALP2WPKH_V0OP_0 6bbe55a69a80009d3c6a4e975632994cce155e28P2SHOP_HASH160 afe1b092a9ba5496f33a02941523de57883a85db OP_EQUALP2SHOP_HASH160 151eef0783192eab21c0e95667ba0b4828b2b7f9 OP_EQUALP2SHOP_HASH160 ac4fcf9ae85787321613705412d9156fdfdb6d00 OP_EQUALP2WPKH_V0OP_0 f4e0b015fb2fbb2679f922588c2db4c4cdfdf914P2WPKH_V0OP_0 48b54a3f56ebee9897368a0e4efb0a6bc4cacc76P2SHOP_HASH160 5a835115ffd6cd3338cd78484adb6b34539f2805 OP_EQUALP2PKHOP_DUP OP_HASH160 56fd0ba2ba9fb53919e5ee1b68cff709aa476b07 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 2ef316768c906af5024d9417d6cfbbfa8181b903P2SHOP_HASH160 fb5a317006e3118fca14819a1bea4726c15c4999 OP_EQUALP2SHOP_HASH160 30d82c0c24732233a7b34251e1d6854beb5bcba7 OP_EQUALP2PKHOP_DUP OP_HASH160 6b99f0ab820b22f0d560f41a709cd1c1fd256edf OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 9acd9468db12cff1c6252a38eab85532f85ba901 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 175f7a230abbccabc91e85c92009e06a4d5b56cd OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 c90f9ca143c74fe0bed877387f78bafaa4cb2029 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 cb664f3cdf23464d13f6b8a34b5799900d3793b0P2PKHOP_DUP OP_HASH160 afd49e1b763ec31f97b802c103ccac8d1f6a7a7d OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 06f97b11fd9f9758d56a1a42d87e9c7658ce4799P2SHOP_HASH160 ccdd074174ed1d8ff6914eacd40b6a1ae1ef0c40 OP_EQUALP2SHOP_HASH160 116446fd89824cdbbb8565834342c859d7194a48 OP_EQUALP2WPKH_V0OP_0 48b627d5eb2b3d26620a83243dc643ecf973fb03P2PKHOP_DUP OP_HASH160 df2bf448998277548e15e36c49e1f64f36d13648 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 d97f88937398e4b50784efa14f1375b69fc6fbfb OP_EQUALP2SHOP_HASH160 bd3ce3de05cfbadfa6a64303c34eeca5f5d29582 OP_EQUALP2PKHOP_DUP OP_HASH160 0828a38b32852cfffe21fa7398ab4d48c5552699 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 48d5cb517f8d2304f94032ee841322ce3805d953 OP_EQUALP2PKHOP_DUP OP_HASH160 2fe2123fddaf20a3b209bbec1887f00ce1f5b9cd OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 c6eb0381575a61dbfe58ee7ff86ee965fe2c57d1 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 1411df304f5b42d59a772a9a1065e8f95220bc95 OP_EQUALP2WPKH_V0OP_0 ed00dffcd2f3c3762b1d8c82a162d97304d7b02dP2SHOP_HASH160 e0d6ae13775806dbb8225405d97a02729e613fda OP_EQUALP2SHOP_HASH160 f9cd2c4a7d45564bea8e642ddcf03ebd51e155ab OP_EQUALP2WPKH_V0OP_0 b8c58e351439d2000e0b812e2e0575f9ec55ee63P2SHOP_HASH160 622a098fb8c41ae723b60d0d6acba44de5b1ac8b OP_EQUALP2WPKH_V0OP_0 fbf632a3c6caac8c65e5e9b30d055b9dbeb44945P2SHOP_HASH160 fd112d324418289d317c093ca476c8d3eeb6f49e OP_EQUALP2PKHOP_DUP OP_HASH160 4a071530da573f160d229c8dd364cb792a33da2f OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 9e420d022a2f46360c756f3cc3f610bde106b82eP2PKHOP_DUP OP_HASH160 723a1540a6fed1090a144e2efaff92fa01e1e5a1 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 96ca2a5fbafd1787739e0b774f338743f99efa24 OP_EQUALP2PKHOP_DUP OP_HASH160 5c449f6c14143a2919704ea7ed39c2ae4d9bb466 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 059c48dd40c67998279e26c729db8c556ef433a9 OP_EQUALP2WPKH_V0OP_0 be301bdbfef3a1fd7542b033a7f25816112fab8eP2WPKH_V0OP_0 c63737145a3b2b5729f8ed0f6ffda550049e1c7aP2SHOP_HASH160 579145066b8d66e3fd9362d7ee81f96d27f20550 OP_EQUALP2SHOP_HASH160 0a6101d827b3343d560637c8bbf7c43803e78d65 OP_EQUALP2PKHOP_DUP OP_HASH160 d88315601c62156134a3edcb5420879853187263 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 820934092a7503025d94f4f6aa6821ee95c077a9 OP_EQUALP2WPKH_V0OP_0 6594724958f6f524f6dcaee08c5dc09cc7b4dd35P2PKHOP_DUP OP_HASH160 7ea29d20e46414a2c771a37809dc68ae34ef13a4 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 57856ed7b649f8f9a3c33414647034726e3b5236 OP_EQUALP2WPKH_V0OP_0 ada54ede2182daf195844473f303d44127c1bca5P2WPKH_V0OP_0 ce7f8dce09d148e2ae7c896c051b2222fea2f926P2PKHOP_DUP OP_HASH160 7190ae66aaed4c58fc8eb82f0aa9675a0206266f OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 8dc401689ce7dd8a5bb7e84e74683cd5128b676d OP_EQUALP2SHOP_HASH160 2c8ac62a0c691f105cfc19a8da0a05e1e6d6d145 OP_EQUALP2SHOP_HASH160 60c8d7adb278ff031721367c7cec97deba01aca1 OP_EQUALP2WSH_V0OP_0 de2c35d66fe66a1132232b48206e413a3c68c984ae36902f4c066740bae190e8P2SHOP_HASH160 7e5fc660f7e8498da8650d5cec5d042a55d1362b OP_EQUALP2SHOP_HASH160 3559ebe342a10576ad6c36478e9baeb8da6bf59d OP_EQUALP2PKHOP_DUP OP_HASH160 3e4eb8eaf4397ef280cd460e3c497175bcb45424 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 7c6825a65c4d219ec9d976d89fa1720406996d51 OP_EQUALP2PKHOP_DUP OP_HASH160 a785362ac655bacc44b03e927003ee4039bc4cc4 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 47b998ca2f700cc3ae82159966507548e12205de OP_EQUALP2SHOP_HASH160 cb40e82b3e327129f0f205a9f0e20b0db5a564f2 OP_EQUALP2WPKH_V0OP_0 0702783781adbd9b14a60fc26ef872c2b65d7541P2SHOP_HASH160 92a59e4eddabdcef9c448328aa93c063f7c5c659 OP_EQUALP2PKHOP_DUP OP_HASH160 a40878574f66446ade815ff603386eeab5da1aaf OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 8fbcbf14c6609efae5bc5370f5fe8e771ac4c0b5P2SHOP_HASH160 8a9dafa50ee0184c5d487f5b4a5b6fbf2c4bd84a OP_EQUALP2PKHOP_DUP OP_HASH160 c8508957ceef65203e6598acfa78c37226b610ec OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 5394242ef5279835abe4e1fbf1fb9658d58be55e OP_EQUALP2WPKH_V0OP_0 7083fe8a2ea9e3c89c90d6e79588d72a498fb4ceP2SHOP_HASH160 dc4fb47dfefe390f4625d9819ffef0e9d6153b75 OP_EQUALP2WSH_V0OP_0 3bf3c9aac8cfc024f6e3e88fe802f5971be630adb2b27dfd43d2687fe5dc03e7P2WSH_V0OP_0 3b12992ba022204618ba52cd68544a6a0deed267180f5215c142e0c07a63ad86P2SHOP_HASH160 58196c97e7284435aaf19d23bfe1f72b1489c7ee OP_EQUALP2PKHOP_DUP OP_HASH160 1a365e32b5d6845b3a76a7afd44c0c2f62cfacd0 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 280651c962c56e070c01f5ee4f5f4c13a001124bP2WPKH_V0OP_0 d6eb526c3ac80c64e756c6dbc4e57b14d3b2d2efP2WPKH_V0OP_0 c0862a6740b717343836c061c9ea89e8c362b13fP2WSH_V0OP_0 f630a0f43037cc9566dbb3e5297f894f0befd481cd0002c206ab5d695e8c0817P2PKHOP_DUP OP_HASH160 5779c375446846bd2caa69efbd01e6b8ff100da6 OP_EQUALVERIFY OP_CHECKSIGP2SHOP_HASH160 492442b35b2c3a5635f6e2e831ec084fa8149869 OP_EQUALP2WPKH_V0OP_0 6ffbfef716c2af097ffed39d2ffe8f101cfae219P2WSH_V0OP_0 dd5c2d56a3d491ed820b243f2cf9d1e35136b5d402a9de7166d4c2fadfa2f93cP2WPKH_V0OP_0 ed9c8f04772503d227a42c4441c67e9b51bb78a1P2SHOP_HASH160 acc1ac3da9926262945f2f2517347826dfde0bb2 OP_EQUALP2SHOP_HASH160 7f3be9c67aaa75816d4a36329c49f9064f36f823 OP_EQUALP2WSH_V0OP_0 b7121fe412b086ff5cc3fcad03962c18e10c8ef076a7863a438991c834928442P2SHOP_HASH160 bb2ec697ef3c57239d27a9bc1416c45e371964b8 OP_EQUALP2SHOP_HASH160 dbd40594be7ecd80d40df8b4447dba456aa48677 OP_EQUALP2WPKH_V0OP_0 64d63d23bf33c45c8ad8a0402d82e6ca84f009d8P2SHOP_HASH160 dbd25b532b3db46ff2795c1ae4bb72d33a448d6b OP_EQUALP2SHOP_HASH160 626337b2affb01ce95318db4d3005bb61fd71f46 OP_EQUALP2PKHOP_DUP OP_HASH160 3bc0ab9c2a09c15332c16559baa9e5cf11c9861c OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 9dc5640c34e70799f3871daa03fcd79385b8e096 OP_EQUALVERIFY OP_CHECKSIGP2PKHOP_DUP OP_HASH160 1a3381ef846bc456ce2df01ab89109295ab44b13 OP_EQUALVERIFY OP_CHECKSIGP2WPKH_V0OP_0 50472358ca5a4dbfc50f5fb397d12b78c6239b0fP2SHOP_HASH160 bb7985a4bc1b2f839d69b53f1b177d4ea8dc96ac OP_EQUAL