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.
Transaction Hash
6be2c58d2b38d7c86517e465d6978fcaecfe98cde516896d3254f3234248066d
Summary
Height
Confirmations
173,110
Timestamp
2021-09-02 19:38:49
Size (rawtx)
6,424 Bytes
Virtual Size
5,861 Bytes
Weight
23,443
Status
Confirmed
Input
1.56034814 BTC
Output
1.55971433 BTC
Sigops
179
Fees
0.00063381 BTC
Fees Rate(BTC/kVB)
0.00010814 BTC
Other Explorers
Transaction
Input (7)1.56034814 BTC
Output (164)1.55971433 BTC
Input Scripts
P2SH
1600148dd9640a77039ef5eade1bbfa94bbac818fd59ab
��d w������K���Y�
(witness)
304402201dda8cbc216ba593a97860d7cd17d79da0fa1bcef14f4744ca44d6eff057e2270220063aab3d2f64edbb69ff55da879a42a32eafbdbd84e154d10e9979506c821faa01
03758722d931c223f91f590a47cf568addaf1a6465cc00ecd9efdfb195dba83928
P2SH
160014999199d6124198d0ca2e41dff6dee2d4faf0fce2
����A���.A���������
(witness)
304402200ab7464f639fbe7bac6765e61d88c4f0648327a495f495f9e6d890cef28f8f4202204fb69c9a33a5f93a8d7e0bf2ecfbff648abd8a976d87e3ea4add4fd0f597108401
02457ef2276f58dec1297b8bf4943de109e769cebf673f8f5c263de80b66e7d5ad
P2SH
1600147a0ffae664691b875b3b700960aadf2b46322b0d
z��di�[;p `��+F2+
(witness)
3044022064681f2e8666290e87a596501311797d474d5aea54e12c6bee2cd92957175a9e022017143f3ebe9438aaa4761eeb08fe62fd4b1d1cfba84cd19587b30919fc87bf4c01
037aabd40bb94378da6378157ecb52a4b5a0a7ce0fadff5ac4d94cd44585ac4acd
P2WPKH_V0
(witness)
304402205bf3ba6082e7c9c033b46270f63e128152ce4881669f11104da0d1f9220b37e20220482cfc318eec0469806d352b9a8a88f3ef42c95dbae92108dc00f1adfec9b63801
035eebeaa9f5799e7c3359cfe1ab3f03cc96392a7076de0f20be802ae962f403ff
P2WPKH_V0
(witness)
304402205ffd2fbb0153818a0e64f54eb271341792dc7f703c4f27b07dd4ecdd8c81794002203c63fad2a4cd73290f0f605a2a2ec6dc3b8ec7c9aa2303d750fb8aee02b8ad4b01
03af15e79d7d3bac13f67d4b6b43232dae83b1db2210115d7548710af570d48ae7
P2WPKH_V0
(witness)
3044022042652ea2a0f7d2c86502d1cc96d113473c3e639f356feafc70b109e8c417ad470220296292aee0d5e6c6a35ea6eb93f437439578d756f596233ab09fd649f223f74801
021c2459317ac597910443d687cadf004cd438667fe466213c5a31f960ca8adac3
P2WPKH_V0
(witness)
30440220209361f53d7be8812ebf9f8d72314d1ce4dc0cfc8de3a7ee4c0b244f1912828c0220430af39531035b144083badb9091991ea753c019c7d85aef229a09026c2d20b101
0356e6ffded30a7ed06d8660f5f71a8e957d7d26ab9072504aa75bfcfad9dd5e45
Output Scripts
P2SH
OP_HASH160 ab01dc28af41d828615fad82e629f7f9c8c9b4a4 OP_EQUAL
P2WPKH_V0
OP_0 bc7e34c0763c9f51c3fd8faa7ad7815e337de590
P2SH
OP_HASH160 d1fbcf07202d37a66bc96f010bd8ca1acb762837 OP_EQUAL
P2SH
OP_HASH160 ba69ee075647ff972f1954104e99c1b3782bdcd4 OP_EQUAL
P2SH
OP_HASH160 f33963101339c089c87706d0986b1f4efdfdc956 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 f108c09ec5a2d5455c0b542f139cc12f2008206a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 2dd32382ebc3ad37938a8f9711f340c1d77583ac OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a859a70c818fa3239ced2bd99a4a26ea4f05801e OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 eaef5ee2872a91b29a7afa973f2298154a6f5743 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 44c3cd1e8d9783ff993c46b7d29afd3e9597ac3e OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 2436d5592c064ea966cf39efdb6874fd03499722 OP_EQUAL
P2WPKH_V0
OP_0 9e286b6ee2e64cc2171c0b643f9708d075032c17
P2SH
OP_HASH160 ac40b622bfdab0cc6bddc8e6da80602bb720c430 OP_EQUAL
P2SH
OP_HASH160 28aec58987aae577070544b789a163c69ff47ca2 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3aab4b5e5d2038aca69682f4eab51a9a512b233c OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 3cf44ca2f136ea6b58361b503802003ab1a1f50b OP_EQUAL
P2SH
OP_HASH160 f483d6b398a125dd314803bdaa4ff4c5f25053f9 OP_EQUAL
P2WPKH_V0
OP_0 a07ae990384eb9d9181cd0ac1c5514a658391522
P2PKH
OP_DUP OP_HASH160 d62d85c32dc01fe331b0ea1540683780f53f79bd OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 98b3ce6ea1afce44ed8f4f2be3e19a2163723110 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 d4c75f639b59973f3b6605ae06bbe78d6857caa5 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 7a266c84c9e11d99e1c3c7f8a5911372c2baf81b
P2SH
OP_HASH160 e475522497ed5edfb44a8295e607b8edf2c1a6f3 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3b8cdf1c538d7555c3d80d0652546829dc8caa10 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6666522752166870a717416c578c9626e58c82a7 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 4789d96c29fb7497831fe8327f574b770d140f0c OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 4f90712f73f6f2edd7cb0bf502ed64faafcec421
P2SH
OP_HASH160 be3aa392d90d24033aa7cd093f35e55a86a8cfc4 OP_EQUAL
P2WPKH_V0
OP_0 315268eca5eebc7dc3c3b6eb49054d2f5d6505a0
P2SH
OP_HASH160 237510f3312e12c15df7525d3efc36062ec0ca19 OP_EQUAL
P2SH
OP_HASH160 85f90b58f6a5150b7b1edd49bd731ee9cbcddf53 OP_EQUAL
P2SH
OP_HASH160 814fec79572fbcd72a6d13f7f790c0a558e9908a OP_EQUAL
P2SH
OP_HASH160 0f4a33b93b342acfc4e5a18303bbdd02db2e06e2 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a1cecb58266423478bccf4439cc3f7d6894f48cd OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 ae6ee88695ec67b13949d7e2339f02e016613737 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 db3a41bcbc23bbb024ae40896ad705289c825db7 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 e4858c43dc68760991d32ff8dcc1f9d73e760f15 OP_EQUAL
P2WPKH_V0
OP_0 6c2d17ca711d65c661c260c9dae7cf2ec47c8d9b
P2PKH
OP_DUP OP_HASH160 730a47f56ac73d31ed0252aa37e68d216d11061a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 9eacc937a5b2aee54d43d760e1f03e7152af77ee OP_EQUAL
P2SH
OP_HASH160 9eaf1ac9395206803a393bfcfb75d4dc5bfb4b9e OP_EQUAL
P2SH
OP_HASH160 41cc9451b11720b59d56ce5ffb28953e9c258936 OP_EQUAL
P2SH
OP_HASH160 78d0a9c397d5e71ac9e3343aa3f72c0719fca6e5 OP_EQUAL
P2SH
OP_HASH160 06406f139daa07dc81a2e511f0d2c176cf452c8e OP_EQUAL
P2PKH
OP_DUP OP_HASH160 660f376f6d78bb6395f5504b02eacce2540abc2d OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 ad6b6adea51ca2e9e7b0f6b60570429a23de8908 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 db7dfa8e0fde0e10fef6f5f915dc436e368f44ec OP_EQUAL
P2SH
OP_HASH160 800a2742b04fb64467f96a762f1dc230810f9773 OP_EQUAL
P2SH
OP_HASH160 6dea114aab7fc8ac5bc01c97b9a0b56f2b288e22 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3690bf4b3b121e44c34c1c3631bc631f6107c7eb OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 92685c54c84ecbd582e75e69a7210f9fc2ee3cfb OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 944bfc56ed01ee973442f14cd045ffaeeb76d6f6 OP_EQUAL
P2SH
OP_HASH160 fb6566fb3be301b9a9c6fff5ae230e9788bd2422 OP_EQUAL
P2SH
OP_HASH160 c661381ed30907f6c9e100abed0d5561ca7f0c8a OP_EQUAL
P2SH
OP_HASH160 29ea8a16834c0e68eff13b9b1775d34d9ded7875 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 45deb6008a0a75ae914c50fde4111068d5f39319 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 1710fd19c05c8c82b8186f86f90e66ba67c7a432 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 c94f64ee807de595864c699f7430c538eb72da84 OP_EQUAL
P2SH
OP_HASH160 a2834a79a9cbc6889178a7170adf4368cf406ef8 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 747105149e4841dfc4fedb4c903c776dd2fb8012 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 cba7121f5b856b0362b743c25ab6764c803bff4d
P2WPKH_V0
OP_0 d88a037c01fea9b31d1cf41a844f47ba8a6c5c48
P2WPKH_V0
OP_0 966dab74b3d6a68bb2fc4b9c2075fa8322e1320b
P2SH
OP_HASH160 912ca743ab9b6c109cb1117ea0f69c98b776ab11 OP_EQUAL
P2WPKH_V0
OP_0 84498e9fa2b30ebcfdc624ca57168b0d0f428b2b
P2SH
OP_HASH160 884a8f8607baa13d03e9469b66d00d11b083efa0 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 88aa11ceeb57db7b02e6e5b69a21e279ac90cd12 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 ede345b3bffb6a731d5d5fb1b4d9dd7cca2ef1c3 OP_EQUAL
P2WPKH_V0
OP_0 56b169e9c20ce6b0a830db9114ab2d72224d3bf0
P2SH
OP_HASH160 0acde3f06958ef3ae3ba42e3a92e46b662a120a8 OP_EQUAL
P2SH
OP_HASH160 e150047b4a17f0b26a9504cced505c939dffab13 OP_EQUAL
P2WPKH_V0
OP_0 29daeb1c20925f3fc6343aee14b09a999c67842f
P2WPKH_V0
OP_0 b9b307359a3707703b46bdbe0ee7fa4948f0cbc1
P2PKH
OP_DUP OP_HASH160 8117bda8bb5349f1d697fde151901ac3c25d5356 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 15eda33d2026c0b479966693929fd37275d5ea86
P2SH
OP_HASH160 7d9e0f2a08f819f03998b5cdb1ea33b61541edca OP_EQUAL
P2WPKH_V0
OP_0 9be77d162b6d25374d2d184080cf3204b0ffcdda
P2SH
OP_HASH160 1264bf03524d4caea5ca67a473f290dea364b92b OP_EQUAL
P2WPKH_V0
OP_0 ca1b5684228e1eb91b7ab44feaa2ff0b9662b9a8
P2SH
OP_HASH160 cae9e6797237c371122a19f46ab205c51bd7faa7 OP_EQUAL
P2SH
OP_HASH160 9604f6b4e0a826861815877e89c8be733e77f632 OP_EQUAL
P2SH
OP_HASH160 c0c1bd243bd69ba7dd331814e95bc4828d7369b8 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 5a8607ac9728722952ba89fb81bd6eb9d58fdaed OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 178f202648424c01fb8e29c8b31c5651b873bc78 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 fa7b9117f609c279408cc126f7c93c6b0f6e141d OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 98a0e797bffb58a0354558b8ab1ac040b61c2c67 OP_EQUAL
P2WPKH_V0
OP_0 2198e9bad99b9694d3e49f3a0fcea838adf54ceb
P2SH
OP_HASH160 00359f13db28ca6aeb4c7703b687ab5c644b781b OP_EQUAL
P2SH
OP_HASH160 8e7903460990f7dbd26b069caa21b3428f513526 OP_EQUAL
P2SH
OP_HASH160 4768236f6eba69cdfd73a24659e49165ccd1db0d OP_EQUAL
P2PKH
OP_DUP OP_HASH160 a0082e734d52841009afe69ec798ce228d50ce1a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 1597964029c9317158ffcb90e3b8a1cb88e306bb OP_EQUAL
P2SH
OP_HASH160 95feeda009e73de20dc7ae9338153dc698d89e28 OP_EQUAL
P2SH
OP_HASH160 5b70a88544bc06e5e13217967105592257c12fd9 OP_EQUAL
P2SH
OP_HASH160 d16b8764cbcdeae55d11855690d54762e0e619d5 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b085b84c14ac3d4ed4aedafc20e80b038e15c5d0 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 c8ed49d419e461699c52311639d6fb46d0afa182 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 2bf21563c35cd98a936b124abeb46c4b397b860a OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 06414e0f7c5cee0ab98d16e9966a6e91e7eeb909 OP_EQUAL
P2SH
OP_HASH160 2732f43ae6737bf64502f7fea833fd07210a2cfc OP_EQUAL
P2SH
OP_HASH160 aa80089d66978712f952d62c38d94323830ad937 OP_EQUAL
P2WPKH_V0
OP_0 fd1b1348b92df0cc6e4c3e75e9a8b8b7b0a7e4ae
P2PKH
OP_DUP OP_HASH160 623248542664dac09e35b7e8ee4c985506a351f9 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 821b89e2eaece51e6bc708a808aa2c3be96ea11b OP_EQUAL
P2SH
OP_HASH160 03f26ed245ba33837fcf295624f697fc94a49467 OP_EQUAL
P2SH
OP_HASH160 50a19f8ed57c1b6d5ca7d79a600a810e7ecd250d OP_EQUAL
P2SH
OP_HASH160 5e25557a4d7716dfb645727b248cfab58cafe821 OP_EQUAL
P2SH
OP_HASH160 d5f57b1a7b7b66cf50b30593aaf60a643141c122 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 3b12bf07437f12c2eef55e587ec80eb68e7829c6 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 5fe51b7d4b2e8e8e7d304033a7e1a1bbef69d9b1 OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 337ac9e4e36d60f0e3973e2d48233de3af18ae4d
P2SH
OP_HASH160 c880a03d0a5a86d67bbac368a6dbd818d3884b99 OP_EQUAL
P2SH
OP_HASH160 fc60eed5d93e8cdc8ff50f4774d2ca2b73b07aa5 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 6f605c5f83f9b228d524d2d64b4290bec7032687 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 50e3ca5a888a93b1a01cf5c275cb874e5f315666 OP_EQUAL
P2SH
OP_HASH160 de28f7719e42b69cbd67a87faa97119ffa1bfa77 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 b602084e10b34cdf357380868bfaefb36821fba0 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 00c91f06382af79fbe18e041978d1d1ea42bfbad OP_EQUAL
P2WPKH_V0
OP_0 ca51656e17207626995eafc50e92f61da4b3b654
P2WPKH_V0
OP_0 6f53299ed5139154199f8056eeb9590ab67b02af
P2SH
OP_HASH160 11b91126dd117f021b188c1b4877be385f7579ad OP_EQUAL
P2PKH
OP_DUP OP_HASH160 18efa7581c8db9015f28565f7a132212b297cd2f OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 49931ee2d3618ea5b8815de4cdce131baaa6776a OP_EQUAL
P2PKH
OP_DUP OP_HASH160 6e9294c4a0441f1825aa4d4bae318b2c4ed45e25 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 d422ccb9515ef25e261ff6eb567088d92fc9acea OP_EQUAL
P2PKH
OP_DUP OP_HASH160 ca42e25b0f232b69788556b7b879de6426f6dbf6 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 dc35e98e1ec92660686ea31df4a2bed57541ad6b OP_EQUAL
P2SH
OP_HASH160 341ea19c683164be7f9e450dc24271696bd940f3 OP_EQUAL
P2SH
OP_HASH160 8eace1883dd668173f490d53be1bfed501f45d13 OP_EQUAL
P2SH
OP_HASH160 ac5e1da51afc91cb4b6aa1db4ff31d14f9630b89 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 0287b763114f7625f195d774501e4e4dbe91b1fd OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 72751fdc9950dc2d54fc8b17e8bc1ec157eb461a OP_EQUALVERIFY OP_CHECKSIG
P2WPKH_V0
OP_0 2ad722a4c166ce3d79a3045698cfb0bfc75da501
P2WPKH_V0
OP_0 39ebfe870c645490526ea30ebd09fd91ae7e9f6d
P2PKH
OP_DUP OP_HASH160 d59674d1f9cf9cd06edcf97be288570672a9afb7 OP_EQUALVERIFY OP_CHECKSIG
P2PKH
OP_DUP OP_HASH160 b7705e106e53f837c763dab88097dd9f25fe78b3 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 29e53fc566b7b9be87c071402745d18e15c21044 OP_EQUAL
P2WPKH_V0
OP_0 7333ec06694382eaa1c4e92b97b389b2f4b61b8c
P2SH
OP_HASH160 62e2cf875102aac7483cce939f3d8a7da0f9f3d5 OP_EQUAL
P2SH
OP_HASH160 85b3d6ce19040b9da11121e36a0eaef3f273027b OP_EQUAL
P2SH
OP_HASH160 c984d31820c5da1101ab32c86dc0294bd47dbe6a OP_EQUAL
P2SH
OP_HASH160 bb7f89735bd698cb8491495c6dc4b7befa484dc7 OP_EQUAL
P2SH
OP_HASH160 2a0c46468c98a8d2a58288e7c6ff52ceb24ecb17 OP_EQUAL
P2SH
OP_HASH160 a883910311840bfc039935130a53091ae9d542e6 OP_EQUAL
P2SH
OP_HASH160 58db6e14af4aea290d8a2bbda95f573f652a5e00 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 2682823cccc86eb698e6056648fc21b1cdc8be35 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 72b31a18c6722db30ae27769b22b814bdab64bbe OP_EQUAL
P2WPKH_V0
OP_0 cf9c7d934369e5615620bb0d5f4a23c860d18c72
P2SH
OP_HASH160 99c5e2a5b37f5d4728d5c5c5922591c7bf9a909e OP_EQUAL
P2SH
OP_HASH160 cbadcf52bdce8a8be959940bad580947c37df6c0 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 97305fd89aeae713ac31ad275d0a78818d41b890 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 ef9567e0efb25abcee77b8ebbf26e26cc18f2900 OP_EQUAL
P2PKH
OP_DUP OP_HASH160 cd3070c4fc24b9d073d5fd4ac0f9649d06304fd9 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 6aa4ad764ef4aa94b38fd401e858292ec872c120 OP_EQUAL
P2SH
OP_HASH160 cec831993e8defd7664848bf32eb7262475f298c OP_EQUAL
P2SH
OP_HASH160 b5f09b9c5e98e4ed510bd529f0b0c584a9340a56 OP_EQUAL
P2SH
OP_HASH160 c873f60094b4e034e1876751ff6e1fe9a259d063 OP_EQUAL
P2SH
OP_HASH160 e7c06ff6e9e111d0591a3455b502f536b7a513bf OP_EQUAL
P2PKH
OP_DUP OP_HASH160 acb7ad224325900fe4e8eafabcf4896ab0140696 OP_EQUALVERIFY OP_CHECKSIG
P2SH
OP_HASH160 b034e467f703815c99bb8258e0696c9412061838 OP_EQUAL
P2WPKH_V0
OP_0 c3645770d86e8981430797231c414943a9917f4c
P2SH
OP_HASH160 eff59cf7e131fb128a39b0ce28dcc11d17624a3e OP_EQUAL
P2SH
OP_HASH160 0e7c62573ee49a6d86fe704b38c7eee725040ab5 OP_EQUAL
P2SH
OP_HASH160 3196fc6dba6ac0605dd51d3ac3358e62e28c1505 OP_EQUAL