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
ac2dbbf95c326dd260f068cd5b2fd591468692c1dcb460f5969b3920d3af5aca
Summary
Height
881,526
Confirmations
8,561
Timestamp
2025-01-30 18:57:27
Size (rawtx)
6,559 Bytes
Virtual Size
6,397 Bytes
Weight
25,588
Status
Confirmed
Input
0.69181186 BTC
Output
0.69155598 BTC
Sigops
150
Fees
0.00025588 BTC
Fees Rate(BTC/kVB)
0.00004000 BTC
Other Explorers
BLOCKCHAIR
Transaction
Input (2)0.69181186 BTC
Output (193)0.69155598 BTC
8,561 Confirmations
Input Scripts
P2WPKH_V0
(witness)
3044022008fb6c78e022b96c3978b9d9cde91d0f9ee16a5cd1a6be2c97fb89c03e0b235a02204fda0e2aaf160e79f1176b46fdafad44f39c7d150b40ab52e1bc03fe17e8bf6901
0338fe07f9c904c04552f9fa6de658fb79fb29e8c04b1bffea48961fcf6ff0758c
P2WPKH_V0
(witness)
304402205b3c7bcbcc7b3561e478d1da4485c7736ee2065037f94d442bf171888fafe165022011da64bac273511070960b35020f2b953417597493f3f1fcab1627e9620af3a401
03ac502915fb9ab809e2c430381100a732046d678b0853ccd85e6da8fa401bb3df
Output Scripts
P2WPKH_V0
OP_0 363be919f18087ef892110c6b49ebae380048599
P2PKH
OP_DUP OP_HASH160 6ad764780bbea39719e761c1fd71c65039907a85 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 f983668c7b15f1b74f9444b7873ed4fd59f174b1
P2SH
OP_HASH160 1abb4aa5a0dca3ece6c9a61eba297ef348ffb637 OP_EQUAL
P2WPKH_V0
OP_0 b2c500609d24d4f51706d8d0e5b403c789b80030
P2WPKH_V0
OP_0 2a06fff3dd3ede1df32ec0e07f3e7df2ab54eec0
P2PKH
OP_DUP OP_HASH160 9823f12e9e0a600017e261400e049869a854e4fa OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 0d86807ad56be67158ce59ff4a081cae694abc7a
P2WPKH_V0
OP_0 99264edfed40c2ac07458e8bb733ddcec3686f9e
P2SH
OP_HASH160 b4ae4bf308b44961d6e227f79056855a4b84599a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 f5e7f3c771d114dd42e799508ddf9448c02cb3f4 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 fd9b8abda9de8cda4eeb1fda31b6287c80597846 OP_EQUAL
P2WPKH_V0
OP_0 a7b0fbfc9c230ab9d4754c7c4ccf2eb3237a8817
P2WPKH_V0
OP_0 f853d1cfb09936250bd6eeefd0609e115c2429be
P2WPKH_V0
OP_0 6c2fa7fca6d7817551595643689b4e812dd76fad
P2WPKH_V0
OP_0 198e4cc5f7dc01b6fcc2638a3297d9a4d03bf011
P2WSH_V0
OP_0 acb30448f357b486121779218ae2f1e61ff55cfa87c0d2dc4588724d2800ff8d
P2WPKH_V0
OP_0 0a03edfbe7e8da704f1ebd08cb5e1b039b569067
P2WPKH_V0
OP_0 d58bcb75220505bba4b10e828c35eb0961d73be9
P2WPKH_V0
OP_0 dee86c4091b4fceb340608433ed361043943d88b
P2WPKH_V0
OP_0 a7877d2c6c9819c388fd5ade8e66bc822f988dab
P2PKH
OP_DUP OP_HASH160 8e7d0fbb660f5fef99adb7dae674ed1c6d2cfc28 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b31aaa15b3720bb9643d2c6373122cd7d9659c40 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 e69f2e1bb597f11a447d04b1ab4212d2ee4799b2 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b5411282b4d0c142aa105f370be0ff9981633429
P2WPKH_V0
OP_0 cbdb32c11acb8af0fe89bf94858db012d9cc5d44
P2WPKH_V0
OP_0 7413d0171bd61299e06ab858dc02af296bc4df43
P2WPKH_V0
OP_0 fe79e4e871385f639b32ae3b97bdf02201c1ae95
P2PKH
OP_DUP OP_HASH160 7c4fe6d6f848a60dc6be6696fe7858abc95525be OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 af456cab837d330a7572b06472f4a0a967aa7a22
P2WPKH_V0
OP_0 67a82c241b8264c215f12de50bdc2640d89d3a95
P2PKH
OP_DUP OP_HASH160 811bf02e84c5309c6b563498721dd198dcee3402 OP_EQUALVERIFY OP_CHECKSIG
P2WSH_V0
OP_0 00875f58d23fedaec09ab6d396f36a8d2be943483d1c73dec25e3fa157d5c162
P2WPKH_V0
OP_0 58567fcf38c13609e9c448ba46d6a94e2cbc32bb
P2WPKH_V0
OP_0 ccd3ecc67cc30abede4d944c91121f6091d44f76
P2WPKH_V0
OP_0 dabe0df92ca545ef5a462874d9b24ad5b2002980
P2WPKH_V0
OP_0 73e929ce1d9257667b8b55fff8327b21ad437b3b
P2WPKH_V0
OP_0 0f7e6a0e1f3d45ddafb44f6238bc2397cae164ee
P2WPKH_V0
OP_0 ff1d054c21db8e03f70635dcfc39ebb46ef49a37
P2WPKH_V0
OP_0 b1e4fbedf30c81e0d47c3ade9d31f93fbede26c1
P2WPKH_V0
OP_0 f2105eeddcd6964e4dfdd7ef44bfc8592ea6a787
P2PKH
OP_DUP OP_HASH160 47c5cb04af1e97a7b40d37379ea79bb380358c8f OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b3f46c885fa289ff252ce1f5f20e9df6a3947f62 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e9e591de4f43d491e90cf22a1aaf6bed3bcd0ecc OP_EQUAL
P2WPKH_V0
OP_0 07295ba50423423be9aee4453b3871954d5a68ba
P2WPKH_V0
OP_0 a0b5a8ac9bda7ce49b4ff42a38a8484dda2be3e3
P2WPKH_V0
OP_0 9fe034b7adbebcb62abc82076358e9023a290374
P2WPKH_V0
OP_0 a558dc090b9a66e14f2b21e625289811491aee45
P2WPKH_V0
OP_0 d82f86c52e4fd55789f4dc8d30f237c7e05d7cde
P2WPKH_V0
OP_0 5eb895b834abaf3a402ccac4d4c2aaa404b0c3ff
P2PKH
OP_DUP OP_HASH160 76f65b6b6f873e85503a9dca6d40c57885e7e25d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 6d90b7c55b7f5f65dc3cce588b3c28282b0e66c8
P2WPKH_V0
OP_0 80d437abb9709c09393eca14e8a1da59e8e3700d
P2PKH
OP_DUP OP_HASH160 ef64621b6cefc480ee3e30b407424b9d84688c3d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 dd98655ff3383eb3091651c00208f0aab8da9397
P2WPKH_V0
OP_0 bbfb86b46192e78bc39a91b90e6583a2ceffbf7b
P2PKH
OP_DUP OP_HASH160 8a5e736eb6911203ab915b8682bad9befb921e40 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 775134c3986bc737ef0318caea1516a30b659475
P2WPKH_V0
OP_0 608705f2e7295fea4139916e328f87d5f8a0ac10
P2WPKH_V0
OP_0 f8904a54c74f730d5dca493e460c45c98e23641f
P2SH
OP_HASH160 50d648e1546566ff9e1bfb52d40c5d12829f90fb OP_EQUAL
P2WPKH_V0
OP_0 df6dc23ed449463c48798a059682534e4f2f039f
P2PKH
OP_DUP OP_HASH160 f08f7761cac0605c55bfae5792a4aeae647ba17d OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 7792130b1f77b0e714534b1e4ced8176c5aafbe4
P2WPKH_V0
OP_0 77047c6af0751fc71dae0fa4df816b0db3fc7b39
P2WPKH_V0
OP_0 2a032c9cf01f4194fbbff045ad0103f08e023a4d
P2WPKH_V0
OP_0 cd80d981ffa012f26bb4046fd13916c608767d63
P2SH
OP_HASH160 7f3ce8f67fb0e1ea0c14f752688be972b9c1505b OP_EQUAL
P2WSH_V0
OP_0 c2649f65c4e8e07722576f2835cc5fd22a1b1e464d9d01806fcca5c401db2bb2
WITNESS_V1_TAPROOT
OP_1 a70a1157eb737eb3f50b45d34af91a89e80c2f25aca5d0b2bd82e4b17190be5d
P2WPKH_V0
OP_0 57e3ff3a15bb6bb9b8f25d52f9893789ab91a04d
P2WPKH_V0
OP_0 0670c055dc4c789f38d521f7f9964d151488630f
P2SH
OP_HASH160 75d6c9ef3b57572ee58e0965f439f12d80a576af OP_EQUAL
P2WSH_V0
OP_0 ff3144c1386e38ac76468777195d102c322b5ef45e33c842e9e5f5c0908b8d47
P2WPKH_V0
OP_0 88a470ad3f5dc7c2b741ff4e33898abf52d6e1d1
P2SH
OP_HASH160 9c5118c27354980ae4dc6b3b7c9124432db544fc OP_EQUAL
P2WPKH_V0
OP_0 597cffa8383ff26721023fcd6fe6157d3a00bbcf
P2WPKH_V0
OP_0 65e9b7445b5d935b823742b8fb7f8c4b155c348d
P2WSH_V0
OP_0 7e2dc082fbeebdeccabc1a94a478b886456bdcd8b83d4697f34c6a4530683858
P2WPKH_V0
OP_0 2250e0e999697645385f4ae3464b4bc732ab78a8
P2WPKH_V0
OP_0 74e354c6875aea8a51e76a626dd96ba8cc37abcd
P2WPKH_V0
OP_0 3d034c4e96c199949c7e1f2f438f874828a75590
P2WPKH_V0
OP_0 beddbbc40eb8fc54108faee6329cdc8d565f1bf0
P2PKH
OP_DUP OP_HASH160 a9f60130aaa9e4208dbff2bbf4ae824ad02e49b1 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 4fff6914f2bedadee4b144d35cd2267b1deab0eb OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2ae468f3606daae13675494557922a1de9a009b5
P2WPKH_V0
OP_0 8ffeca46b59539bf5f568def696697a90996f1b3
P2PKH
OP_DUP OP_HASH160 301073c92d6f412ffb591b8df216ebf8d0a8df9e OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 59befe0f416e2fff8d7b1c5d99ad10c63af42be5
P2WPKH_V0
OP_0 d79103f3fd4787047eaa66dd5afcd410a34ace99
P2WPKH_V0
OP_0 4016d983dbc04e9d73d50a7a1b6a258fd080bdb1
P2WPKH_V0
OP_0 c4b4e61900fdd621507eef99cedcafe8d570a7c6
P2PKH
OP_DUP OP_HASH160 9f9637c6b5299bcbebf2016f09ffe4c05de9e2b4 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 a2da6a85a156e41355bd87addac042e8155c9eb5 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 2befef438a3abb00067cf0df58447f30074a6dc4 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 8b3749d83dd6765695cf65dbc2acfc53b2e3bc7c
P2WPKH_V0
OP_0 9217965d10678e2aee4abe09a90dfc386d4619e2
P2PKH
OP_DUP OP_HASH160 c41e86b392b17a16f19738503d1274258365d873 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 d09fd70d140e0aa26eb00b81cb5203ae7edfea60
P2WPKH_V0
OP_0 04c293c026ae9e4b7ad48c47804bdaa2705d9555
P2PKH
OP_DUP OP_HASH160 13ed15afd4bf241e6d832ad43b8e0b70ad68a884 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 635bf8f1d02af2d815a19ef68382d1de09c185a5 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 28dc80ed2c6735e9065dab146eb224780011ee06 OP_EQUAL
WITNESS_V1_TAPROOT
OP_1 e2748dadf2d933525055542830fb44b5dacf837bc1557a719a305ae607312d10
P2WPKH_V0
OP_0 acabd4b48023b8ef56dcd95b4cac48c58b706ef0
P2WPKH_V0
OP_0 4658cd6481fdb0b8f65b2e039480f0e56995a567
P2WPKH_V0
OP_0 a45d93acf975a577968c96b498040eb23767d07b
P2WPKH_V0
OP_0 faf6546e982fdf1265220c02dbbc34fd51d08736
P2PKH
OP_DUP OP_HASH160 427fa2d1eeb7d125e9db687455d5420cd2425d0c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2ba21c073aec0a99e202c2fff1b72dd456c6c81c
P2WPKH_V0
OP_0 30c64e9dd7699e1c46811a5ae237062b5a80890e
P2SH
OP_HASH160 a6050eabb4898cefcea9b3790fa69a8b977e6218 OP_EQUAL
P2WPKH_V0
OP_0 051deae0c21028974232695f2ffcccb8076da0f4
P2PKH
OP_DUP OP_HASH160 64357c2c7ce0e357b3cfaf8a3b3a0066c6d62126 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 c6603761ce22d81bc017c5c95fe0657b83a15f4d OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3c046e98f0e872733bbf55e41d5e9833dfc3db85 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 1a49734bd80f91807197a4639c65fb486cc6ae12
P2SH
OP_HASH160 107e191d3a9c3dafc70cecb4db12a0db5a7ad434 OP_EQUAL
P2SH
OP_HASH160 72789de5c3b8a8bc5f41d00619a5047b3994116d OP_EQUAL
P2PKH
OP_DUP OP_HASH160 94250061a86d7350a3d814e63dae6d5725cea824 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 424f9fc4a4b99c42b0c98efc3818929fbb2e157c
P2SH
OP_HASH160 fd9204b151d07730f39f240d5fb14b6761c3440a OP_EQUAL
P2WPKH_V0
OP_0 555745194240997e5fd057662d324f677a8ed683
P2WPKH_V0
OP_0 e58bfd579d551cfde1876bde2900f2c4d81a08ea
P2PKH
OP_DUP OP_HASH160 bda8da54f990676f3ae89c11ec02e500c3afb548 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 a8095c20bbfd6ca2c4cb85ba22c7f3a2b649bd78
P2WPKH_V0
OP_0 44487fd4ba4a504b92fcf29c8d2bc10551342ddc
P2WPKH_V0
OP_0 97666e1fae20e28dc1aedac4a352e619d30e775c
P2SH
OP_HASH160 e795513781cd95c9057d67144773fd9b65e8319c OP_EQUAL
P2WPKH_V0
OP_0 6c5828087c01b3049314f7d219776322dcf248a2
P2PKH
OP_DUP OP_HASH160 6a3a2fb9f394ca73601c4fbe0729053b3acf7eec OP_EQUALVERIFY OP_CHECKSIG
WITNESS_V1_TAPROOT
OP_1 8581f7afa63c6dda96bd35e866c77c8549ac6e1c906fcefd85e8711a84217e9f
P2WPKH_V0
OP_0 f855cdf26091dfee3a45d12b7b1049a5142a8a86
P2WPKH_V0
OP_0 63a04e7aad959fe84ee9d822ac9516c57ae99e11
P2WPKH_V0
OP_0 18adf00ee44c6aea7a42f0ca35ebce7dc9ddced7
P2PKH
OP_DUP OP_HASH160 a5368e4fbcfe92785f3509eea38b22139fee8e21 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 392a4fdbd8f92047df74daf5b9f737cc5281eb29
P2WPKH_V0
OP_0 3408618d21d4893d64b46cf53b05bc58f558c59b
P2WPKH_V0
OP_0 683e9a03d01e40fb588cecd53084260093b4cfee
P2WPKH_V0
OP_0 eca27b6f453b6be10a9ebe0a7ce5cc8e1a88c6e8
P2SH
OP_HASH160 1fe5741718a3abe1a56f86e3cc59ac4a25b0bcbb OP_EQUAL
P2WPKH_V0
OP_0 17cc5a47e2aeef304adf5072a69d49f44fb02ffd
P2WPKH_V0
OP_0 d7eaa5bba9c5a40a29a2c560b7ca0e96eb99acc8
P2WPKH_V0
OP_0 57b4fa33e3421cf20cd1a1e4d453a4ffd8596f87
P2WSH_V0
OP_0 f5b34462e6cd72f4a7f683bcc8dfa8246bf227553a4b1ae8ea8fe73c1643ccce
P2WPKH_V0
OP_0 9e2fd5da271c87a7c42a71ddbcc52e3067b88557
P2PKH
OP_DUP OP_HASH160 c9a35c1a15e0188fe3a36191abe842a657ec734e OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 e1e8e24bb2210e33ce5f09af35f0087979fe9ac0 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 b060ef0e2b64f2ab5b94908deb68bb43fc6cf852
P2WPKH_V0
OP_0 5924494446a4dadbb518f23bf8b26b6da857214f
P2WPKH_V0
OP_0 c69a321f6108ad4ae82e08d92212c681b206b3a7
P2WPKH_V0
OP_0 1c2f355f6e0c0c2d400244cf0f8f36857e099b87
P2PKH
OP_DUP OP_HASH160 02e5c1e37e9f420953c34d33781f7beac62a6d48 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 d525fcbb03768cc18ec1a80ff1039eaf4a132114
P2WPKH_V0
OP_0 8ba6b405c755180255b1c4971d0306a91cde9bdf
P2SH
OP_HASH160 48ecf5c2a0455c21f544cae1ef969327187997d3 OP_EQUAL
WITNESS_V1_TAPROOT
OP_1 454fd96a397af188fb999b53ee3f1bd288792e9b7fac9abfaf8bc646f296f8ee
P2WPKH_V0
OP_0 2ad41580c966999e73a1a885c8542d7bb3c9a942
P2WPKH_V0
OP_0 49559cbd7e0f2d0000386975a863db97ff806adc
P2PKH
OP_DUP OP_HASH160 0bc1c5ceec8af7ecc7fa65c3d9b54db5c8f2c609 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 104f72d19cfb915e50dab0a0f2339817ac87e391 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a63594e70a8a929bb003d11e90305edafa439f52 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 8c9b62b02ece64934504c3f7f945c5ef72ed8587 OP_EQUAL
P2WPKH_V0
OP_0 ebf57a11094a8bb286e6e767a669c7a51ffc2ec9
P2WPKH_V0
OP_0 d153468fffcc2ec38a67a2d7fb4cbc0c77773c86
P2SH
OP_HASH160 462642058ccd30789dec8a67766a27b476b290d0 OP_EQUAL
P2WPKH_V0
OP_0 4ee3e5148ab4fd1b5e1d2ab5df1c9bc652d17fdc
P2WPKH_V0
OP_0 6992711b6ccf558b84650cae382a72958a0c8ccb
P2WPKH_V0
OP_0 44aabaf1c8f190ac32d333d332a5d73ed888eaab
P2WPKH_V0
OP_0 90a06fc745a2f24db83bda8c896836a1e2f6ffa1
P2SH
OP_HASH160 03929cef7fbc571f4f2c2ca929bdeb25914a40a6 OP_EQUAL
P2WPKH_V0
OP_0 778c68691ffbf09ae3d924668550a1615968b209
P2PKH
OP_DUP OP_HASH160 6174a096cb404e61e81029b5d94f6f0b2029fab5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 41e91597ce6a5287c18c690757b13c4bcb974410
P2WPKH_V0
OP_0 e23b4445ba752b70a38c776d73b2e80c192c64df
P2WPKH_V0
OP_0 9928672dbfb83ac74e38edf502896fe843eceb54
P2SH
OP_HASH160 42e2c040b9ce5a344130e4a391518532d7434095 OP_EQUAL
WITNESS_V1_TAPROOT
OP_1 56226fa6dbc6a7aec40eda967eebe3163840abf21a6e549e00ede8cf18bc8291
P2WPKH_V0
OP_0 680f0aed188f025c394e2f6f6008e3f8cfc323f0
P2WPKH_V0
OP_0 c7ca834a6b5abf003bde85f138a697ba8fbfb27e
P2WPKH_V0
OP_0 8cbab40295414776f23962de6e42778946026d65
P2SH
OP_HASH160 85ec9c78a54fd1e25627caa314723131272d920b OP_EQUAL
P2PKH
OP_DUP OP_HASH160 ea2cc022d1a946a51ba7499dfd16e44fb349937c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 4957ca4973d44a6578bc175bc49e98046eeb495b
P2WPKH_V0
OP_0 8e2b1c03ab64ee0d72eb660c2834a5c9b432e4dc
P2WPKH_V0
OP_0 721e1570e9db33a5593081801406c77692f981d3
P2WPKH_V0
OP_0 579d2b632882ad88682682a980e3a5f1f5b31918
P2WPKH_V0
OP_0 317d0d0137507303b26a4ab5d287843c64b65743
P2PKH
OP_DUP OP_HASH160 8799cd282417c15224eb07b30ceea888ab6f0b3f OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2892bc334c502c55e90fb6f08cbbd0a66ed40443
P2WPKH_V0
OP_0 8e4bb8f66f0e0d5c6b477cf3b043fb9663eb50fc
P2WPKH_V0
OP_0 e3a3c61eb3eb28a8b3a432ad8133832045112ea2
P2SH
OP_HASH160 39cdde5c6620961be5fe2e79dc6142eff086ff52 OP_EQUAL