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
0bd41a8202d1e88bd2a479d152918fd5e76e2d2bc0705cd0777230a0fa440855
Summary
Height
Confirmations
333,282
Timestamp
2018-08-16 14:15:07
Size (rawtx)
9,389 Bytes
Virtual Size
4,790 Bytes
Weight
19,160
Status
Confirmed
Input
0.04889806 BTC
Output
0.04657920 BTC
Sigops
57
Fees
0.00231886 BTC
Fees Rate(BTC/kVB)
0.00048410 BTC
Other Explorers
Transaction
Input (59)0.04889806 BTC
Output (2)0.04657920 BTC
Input Scripts
P2WPKH_V0
(witness)
3045022100ed1c3844a3b5b7276bab9ff5027af0534f4930acb9e63dfaf23728e4c25887e002204b2eca11051facc1d8f403f63f70da3ba9d0119b70e350c802bfabe0c183bc1d01
02045cfafec00c82fb95df7426f2b1cbd2a7686243f91892090c39ad85b85a2057
P2WPKH_V0
(witness)
30440220015e59954f326f1ae83d54302a7b9628646911587954893f4db4ef8a23e45972022055c46953ed925b93358602eb5bead20e5e0d0eb2bad3fc173b78a9477b3756a201
033d8e5d795af5fbca6848fd9ca03e3f68defb2a277dd24920271d10f437c2bc65
P2WPKH_V0
(witness)
3045022100e07d6d6a12fdec733460a5a80cf92e0e964bb536f3c9c298e3d8bb1ab7a20c67022024a9b7b687b96b3a1c7530dbf1fb9ecf64bc7e13f75ce3c7ca5b9a2ee1e390a601
03c15e650653a4674181a98213cf8409f912af8cf2de184f745b20145c08660b4a
P2SH
1600145f2b732480ecda79c49263e0a86ab1df2718cf55
_+s$���yĒc�j��'�U
(witness)
3045022100a181b1bc009afd3f3544c4c61b121e5c8709255974499c7bb24f0d86e43efa0202201df4cab22c2d46db800fea83e05afde7c391ebf3286a8f883042d4b3c7b7546b01
033444d7cf9c0bfb788a9aeaee7486208a382c900a1a9193f07c738a36f79cd8b6
P2WPKH_V0
(witness)
30440220732c3cf6e29e4020144e98a4c49b78152c36dc2ea19978e3e9d81b8d06839a4c022061b4152f6eb9233032b938aca40b7b29844ac993cce561834a83fe97fc6314d001
039b291b83b1927e17c2351cda462f819873d0acdd1bdcea354cd70f6f80198fdd
P2WPKH_V0
(witness)
30440220478323c1ae1c11287777535884245e704d3223106c7548761a4e23c56ca8178302203ea1bb3d383b004c65aa795616ae96a777e54220a265b03a9082314960d4d99601
02470791ca89df4fcc774f2846da40ca6d02b542314df5cc063ad01b3844f782c7
P2WPKH_V0
(witness)
3045022100b354c69967a5edf19a4cee34ba3088c748b871f9483e084f8a182433480d7dbc02205706ad41cd71cd7e2276467b04c4a3e1491351fcf1217269e45acfcd915a9c7f01
032ff0e4161d48a02ceb895d18c9ea11dc90105842e32032437dfd40436ee67e66
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
3045022100d141d42b91d6be0021c9fb17263e5dcb7c86642b61e4c24e2d5d6991bc3980b70220598bc70f6d7c70248d620b4ed91c3f29fad41a0d4dae50f7998494aed9c0fc3401
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
P2SH
160014191eae30ade843bc30efe6350b9d0f806c1677e6
�0��C�0��5 ��lw�
(witness)
30450221009161c74649bb59e54096f3146c93029c148ef7e47182426f6e782d8c56ea9e3c0220640900ccab898f09934fd72e1f1d017e410f368c31f396ac1ea9f81d2a7baf1101
02693fd93464a624a9d4c784e322366ce994cfc71fd8cb170ecf2595f63a0d810e
P2SH
1600140c7d9750aa8abda0127aa22d3bb9c46d93683688
 }�P����z�-;��m�h6�
(witness)
304402206adb6da370df9c1a2d7fa4f42eb8f28d0f1e0ca58416b5c55c436042ff04e75302201358d422d1c72fc2a72db1f7782f2b57f03efe398af601b27df4551307fa6acc01
03344d46928538f134a69edaacbac8ad6ec23ac7824588ba75c65413f5beb260b7
P2WPKH_V0
(witness)
3045022100951c30810c6e86c5e06c7e44dc9659b747042655a7e1a00dcb8422c259a6e3e5022025a894fed6475d765725245f713b131a34b252602997d1135974047c5fb4219e01
03c635bca40b9e1733dd9951cf8891031cf5654d00db1bacde18ead09b4457b234
P2SH
160014f07073be69fc14d9b931b1bf4de7b3fde2a23bf3
�ps�i�ٹ1��M���;�
(witness)
3045022100fb0d94dc836c3b584c2635a1950d4e71e684039f8e5f0eb7a2ce2b99dd8ae87602207a0a6f86fbccad65fb49ef3e0201fa4dddad6958f7b710149078090faefe04d201
0265a27e05c2ab44ae03df074e4f648d43ba8d7450fed40a234e15c25ca4845b9d
P2SH
16001483c6e11cbfc0270fd985416b7d3dcaa3df8381c2
�����'مAk}=ʣ߃��
(witness)
304402205edf26a2b22c8971093f6c759642d04a8a4d10c27e3a0c04a407f0ba884a3e5302202048be97fec0776bbe61e83e91e44850627e3cf73a410e4969d89e76c9d53e9201
0393241c8a27c79943183b82f5c67b925177fcaca922c281c0248c189cbdcaa5c2
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
3044022079ac231ffc7cb2b660ce0ed3da328cb4c1e62f966f7820ce1df02abca2cd9a2802201fad2c6765a0ec0f6463ec2c2ce78ecc39cbc4dc169435ff353a3fb26913b2e201
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
P2SH
1600141fd2b9f5dbf7eaa907cd75fba0a59844539c2e6c
ҹ�����u����DS�.l
(witness)
3045022100c83900d4605b0c0407e115b03aceb9c1fa35d6a97cbe9274712a193fe68796cb02201594e670a71b0822847776a478ea794109f5d07348af8553e4bcf549cf8a18e801
03d1779f71b1c57a5f895a9689926dc6b99fce2cf921dff30188b7cae81b1dfb5a
P2WPKH_V0
(witness)
3045022100db2a42dabc616f9d99eb028a35d59f75ea5c8fb565c1a2b2a7d048f887009d05022024fd58c48dc8bce65f5d48422e1944f80b60fb309c57e643ce8bbe01265f2a0801
0217cbfb5c32977d777c37f08e598c37ceff194dfdc501c54a1abc91dc8e1482a6
P2WPKH_V0
(witness)
304502210094b68dc6d81fe11d67175c91b3afe65a073f10b3cd8363862e94db60768a4eb202203d4300e76a57f64088681b23b8c591e71149fa9063c9dafd6b917d2744609f2a01
03e19c14b240bfb5ba2a390bfd1d8ebe6eb6f8854d94d0cee6c70fe23d2e628cca
P2WPKH_V0
(witness)
3045022100e5e8148e716fa8fa5dc3c6420ba1f436fac97589fb5efba80f4b65ee349ad2050220423e3744bcb6ba0eccf71bd89cd92f40238232a85c96bee11078c63bfb18f8b401
02870518a54dcd0213a9264f27277da7227e36c6ad85fefad1546b50441b72879d
P2WPKH_V0
(witness)
3045022100f863f2a201612e881d796da6edd9231e03d16bdb7511fbb834627d8ffd0dfbd502202cb47d557560c7ee93cf5f13ee15ca8c503197c9eed763056a9bbced7a100ea001
035833866ac6442652b6d70cd1191811ce575baf0191550f75e992987b91deb047
P2SH
16001412cdc2a1c457a5993a82cd40305f504b97a86410
�¡�W��:��@0_PK��d
(witness)
304402203ff95d77f7bc268162767bd6eafcb209e462e84e19ba2c2cd632a849ce75b55202206093ec5b408f45b7f110537c690b1f4843cfdfd159e1d45a7d904a1a1364d6c901
0288ad481d64fece5325fab763317e831de4c2f5a2568d0158aa03914f3dcf8fb3
P2SH
160014087819fd1ad2ea2a2bdf544d2890155ab152e240
x���*+�TM(�Z�R�@
(witness)
3045022100f2fc54c52c9b1d3421992095fc91700c1a2130cea37ae0c7063da426e876b99c02204b869ce9520b7d33274231cd73c5a69f22bbdeb57f026417838ff993454d605401
0209b9191d6f4328282240f73141ef5374bc129c5ea1fa3a7e689e5936ae3c2292
P2SH
160014f888506bbd0f5ed734256476191665d385aed5e2
��Pk�^�4%dveӅ���
(witness)
3043021f53bfaa0f0827f6b6e38cd49ef9d61478389f392d4162c347b32215de759431022068bb2ca22af39fb7e500127f58415b08f8a43f55417f9c993885f9c04de35f5c01
03ae9a663a56583848d1141c893ac33e049eb29d579e9c86cede5bd3c91849cba0
P2SH
1600140af75a6a67602ba82314b26593e011210c7d9332
 �Zjg`+�#�e��! }�2
(witness)
3045022100d291fa1c6f765458ca551be9d77243c736686ea790080d1073941b5f676652a302204d24dc39b9d2b0abb71487250babf9765bdb7b343db1ddbce1d5f90d6ca2103701
02e1c760ee4cdc05bf3ff4560ab70d52be110056882ceaf076bea429315a803b2a
P2WPKH_V0
(witness)
304402204c58d536dda34eafccf67aa8876eab6460854557ebd00eabac6c80b23820b9bc02200337679f3106f9794aa093a592160bd7a25992a090c1cd727a9a4e581fece52e01
030a153ee34249fe74e36b7e4f03de30fccbc68439421f71ca6d67757ba1cf126e
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
3045022100c3ea77068c8381e62a367f03ef27e7748ad4b5f6c0939bd631647da71dc15424022069eef4027b6b2dbb043dcad1b84d57beeb1326760e035f5d5d4239360e003bcd01
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
P2WPKH_V0
(witness)
3045022100818fd0f367f0238a6f32bbe668039d7aeb8c00679787bbad7f693f3501bae69102205fe4ecd674d15b36172996cb77c857984da876946b9df3975a647f5381ff6e5b01
02e0e584be9fcf35850671c58bad3e20e1d71c30dacadc9b5e1e3ee388f64e1156
P2WPKH_V0
(witness)
30440220145cb9a5158415913521f004cd9c0fea19bb20aab6a47ac8323f5fb668fa2371022056fdde9526edff0de17e2ed56ac3a6ec125c39b4a35b7d30f374db29c457bd8a01
02b23ff4da09c87092b432516feb0f319138a76c0c66b65d0fdc444a4434083f9b
P2WPKH_V0
(witness)
3045022100bc9c5447358855f111dca0931b7e8f37e88a68b5e18cb9a597ceb2c0b81cefef02204ad1a201c737f6b3d44bd7e65c41b48c279b97dc17405518dc356bfc136345df01
036118a1eda7f437584acebf322224dc33dac0a6bbe901f5166e2395db4f4d040a
P2WPKH_V0
(witness)
3044022008a280ecc906b124335bd0606dcafef5c7c6c3478119db1a7e1bdac815fa843802202d3c5466a64029369148d30270f5e1e090655be6466613598359ca1be83ca90801
02ea4fd8dcf2149567798ec90822f514f973152afdcd024d83bbc11d2534271ca9
P2WPKH_V0
(witness)
3045022100a882c1b71bc5b20165c1115aa288e9d257ba6a9c49e4595b3bc546c95daee3570220515f3b4f3ee31d6e308c0fded4d84d8c5d5eca3c4c3cd6aba0e54f4eae991d0701
03d3c465c0ed57a9dead70dc2eda077df880e09b8b50a17268cc96eb4b2d185a28
P2WPKH_V0
(witness)
3045022100e16042620b62c1def64c088724d07bffcdd2386ddd07ca4c405b545af28ae51c022015df858873bb3bbfc494bc9d5b831c14179380eee1f656591b17d6be9e30c1ed01
03b640480707d61d12671b1047256336fa41eb9d8e1891f1ee37805f9cf37d85ab
P2SH
1600149459588ef2968ace2be12ee5055d908d24a5e6c3
�YX���+�.�]��$���
(witness)
3044022038cee228a34aff919c71c9cc6ce6eaaa48e76a8c265b346c52a5b2a3bf71f7ea022013db353ed06cd480f5db2f13bbd9fc59408c15bcc06e67fe830e0c4099d50efd01
03e9671961aa5c241d51344eca767adde2623f0f795d23bd9f8abb39da9e2238e5
P2PKH
4830450221008ca493cb2e92e83855e341d0f23a566f7538b56479e67912ce4d5a293086662802201afcb40b17ceb8bb3bacc7729817374d88641dbde6000e04438271d95bb4bcf70121032fc42be773c357c7a01cf1fbfd412df9850bed728d83fdba7668f81dff2673f4
H0E!����.��8U�A��:Vou8�dy�y�MZ)0�f( �� θ�;��r�7M�d��C�q�[���!/�+�s�WǠ���A-�� �r����vh��&s�
P2WPKH_V0
(witness)
304402202de0107995d7c650aacb7aa3379aa800c789e9901a8c673a8d4ae6bef3094c5b02206cc6a2b6c1b04b6b559ec636879a8d364f1eac57fbf39ec994ef8d2d3fdabdb701
03d9561369f1368b32bd659e317da2561748c2420430717f94f77410fc54c6288d
P2WPKH_V0
(witness)
30440220494af9f026417597727ab165ef242e21e6c6a2179346ef404ca8dd8071625eb2022043a373b62497686ecf482733d0aa36f621b506e6d87d2e5641a3333f5b81c72201
024cafeb976842624145e6ef94a8ba3d0d5dd7229bdd5720a9b3b3250d81e837f7
P2WPKH_V0
(witness)
304502210092f82c108ba880723fd9aebcc19476b44cbdeced457fc269fc65ec39d45151af02207761280f3f17f72eaff8523b9df36724b24b6d287fb26b0bba69f03879fa05ff01
0390a883157cd17694ae9d51f3d33a83c4630417321301ca4653cb85f732b9d5e6
P2PKH
473044022032c5f0948dd4795d9c5f55b92e2a0d98029a2d0e717d5b811eeb47a665c59c87022053c41fbf19c0fa9fa098b2a9738141564a11a500c238caddeab8d7e015379fbc012102bf9a1aabbe99ebda70f937761d8b9cb1526103a508025eb08cb4589014ef63b9
G0D 2���y]�_U�.* ��-q}[��G�eŜ� S���������s�AVJ��8�����7��!�������p�7v���Ra�^���X��c�
P2WPKH_V0
(witness)
3045022100c02deac42bd1033454bc15999c356df8e7731bce45049774124a9b3af51d1c6e02204581b4aac491844c941f24213ae509808d12cc9691f0181e87fcd62c174af71301
034a1076b5f9b24b6cfaabb53cb989fd41178f32aff833eabaa7e93da5cd2d0015
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
3045022100e826e8d9d3c2d1e47d4bf70a50208b49e2298c05ede22040db5d0e72cfa4161402200192017a0aacec46633b212455ddc3da862ea6b97eea2b7200ba86a1ac63db9901
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
P2WPKH_V0
(witness)
304402206f74cb11d07130aa017e1036880e20cdd27fc639336b3975f14657b65f1a90c002202dbf5d0a8641f7085a09565179fd16f660585a555129122901b8a93a9b398dba01
03006da4cf5c6a855eceb3e9b5e149fa26235bb60374a02b7ad0d1732d9d87a1ae
P2WPKH_V0
(witness)
3045022100cca5b8f29e58a593c8d78d5941c8280ba9815f901583adb687a33eb0ce5bb059022065a7b62e815d5cd5189210826de52e7f7df943189c716181b574b29585159f3001
028d890fa1e844ae926c3777f0b9f4ec9b84e0f54c699a2d99930a36ebc0c07dc9
P2WPKH_V0
(witness)
30440220173af1d5f3c09878a806bc1d0514d61f1d7f604c7d8a3ac7d8441f04bff29d930220145e294580ea51022a77a4124471536da3f0397b78fe3d7198a1614f0e90324301
03dcd42f435d376d55a15cc354e241ed4d3f3ba8f5143238b99055fb23c40bb865
P2WPKH_V0
(witness)
30440220177b618d79b56e31ea01a79d51c61fcd51081a5c6dc76737b486e35c0d9511ea02202afe364fc9fe1dc60a7900d3fdb0ec9b366fcf5cc46fd05637c52447fae0e6e901
02360ae918c363de31d20e83a994e0e4311902a7afcfd94e7f664e39ae48761a49
P2WPKH_V0
(witness)
3044022047aaf87c0f0d9b5cd5b5986bbd056d08a40125e43d9b3836d62336c8a700baf20220339f4195535430738395066cf59e84b4ed8830338deae0a6e5034a10b8885ae301
03c782df5601265834b65e15f2aac4c0ffcb7c9da7222264dfcfb5305a6495600e
P2WPKH_V0
(witness)
304402203bd5149f443f533b8d9bbcbc884a6afe83e36e71277a91564888e1572e8224e50220223df846d1e76b33261a344f44a4f20b50563102edbfa17dce78f6b861b1421401
03d8d31164aaa8453ada587b35ee12b818ae896f5843c06ea0fc3fecc40d2dd9a6
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
3045022100bd6ef8649fb7ef14cfe461fa3f1bc35648dd94a410ac5ef7da576427f587e0cb02201510fc63f83b2f29063e54262db362568c7335ff4414213f1cdeffc5d9a8e47201
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
P2WPKH_V0
(witness)
30450221009143abf7add2b40e3e418da4f386e5a70c9b56030c2a414d5af9a3e3fc03555002200c38198d7afe4d6d1e87167364a1b515f27c8fa9adeaca2baf36a59f3e2fba6801
0367adf3c0c7a5b52a6eb20b43851e28bef1eac55db3f8074c61587c30a9a9179f
P2SH
1600147184243e8bbab4354445330b2116d0aab50b4047
q�$>���5DE3 !� @G
(witness)
30440220688b2eca13d25401b6eaa91929c94425d587f279a023a29d352371361486ddfd02205950044d02c4ba8494f5ffca4188184351c79fd82ee781deec65415d5f505ad001
03af99a9706f3c9320a7577287589307ac18174dc9b9f3b85011359e0613479a9a
P2WPKH_V0
(witness)
3045022100cec7eb72fecaf60880ea26c84eb2cb79ab1ec22a7ef0349a6589fb38d66ad497022066e0638f0ab8bd2ead5d27559365f691e8450e1a3f3ec4793fafdc6e85371a3701
03c66cd8a086cf54ed18d8ad3b6d6b060742a02979f59e92a392d9ef4f65419403
P2SH
1600140eb4b64a352687843d0017df33d53bf5b4baca90
��J5&��=�3�;���ʐ
(witness)
3044022068e73293272af90f80fa1b5ed2f208f8c81fd48893a30a09d64aa3086d1cb74f022060d9fe9bb8f14f859eca9e0a4c09e2f88464a4e423adb702b64077a70d72f4e101
026c0f7e2abbdc5b9cbeac35d401f084f1c7b22e201a1d090512df80c6d0136c38
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
30440220558eab5ce7b0aa0a5e2a11e4b39adbed9b35f0eed49b7f24b0e41465a7196ccb0220116dd29534a729a1bced092299168bedc7d99dc215fb3fdd5db1b5adc34b1aba01
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
P2SH
1600149457bac2841b3124a988f63392cb6acbe7d2e544
�W�„1$���3��j����D
(witness)
3045022100ccdd79d9958fa99de6567887169d140deb0dadc5bc2e1fe11b40620d23ff1a0b02203fca80d03867e953a6485c4ab76e41c9d4e7baae4c5c3478e368a160620c190401
02e36ea0f01cee0847a1cbcb7c1486ac57ab33dbdda3656c74b70d929148a7d335
P2SH
160014b6fede56c5af5eeea19d494641a9482e9b8d6be9
���Vů^IFA�H.��k�
(witness)
3045022100a27682ea689ba904ead3fea5785fe96d001341c76bde272b897fdc965cb308e5022056379493676329148b65662ff889262ae1ec140958a23c86bd42daffde95827101
034400ae908bb56378c6dbfcaf97622f19815075360e778c07c347120c6aedc833
P2SH
160014bc8dec0d6895baf2a4a52975a402f0b4e8e3d597
��� h���)u����՗
(witness)
304402207bb74dfae98ca776b5d3fe3447fa1692c7214894f8836ab5b865fc4ad740b78f022046ffb9a583d2b88ad6400d0cddb7db2b528e9ae34c355947571ef546d4b4fa6101
03c760761a914693f393a96ec28e3980aa9834120a29e35f7071a80bb0a00ba572
P2WPKH_V0
(witness)
304402206393f9a2880a432ca1516c04363004d804fec2757ac2eb8c4d25ac3fccd4201e02203633a1560cf183528f53babeeb396ba29355bfc0468189beb6a7e28fdd9d6c3701
022a09f2731b6d7328ea03bf4363109e202f1503e6d327d6fe3127c081dcc192c3
P2WPKH_V0
(witness)
3044022008af1e1ec11106f94dad18d288e3902f8b97c3fa21ad05b9e8292c299ddf4c64022036fb9d589bf472fef91ac8890c002fd00060d3953d9cdee98bfb834925955c7b01
029a0f2c50fb51a27507940ed4608054d48b7c7b7849bef591c01be6f187ba70b0
P2SH
1600142ef8ba3cf50fa5e70e9a333b59728c650099ba87
.��<����3;Yr�e���
(witness)
3045022100df0eba497a30f27c1da27ba733c63ed2c4334554181b7e9828920b18fe60f5b2022033e9908f542893914f6b79abf2d0922a14dee2d96bd83deef8d0d3cadbeedce801
02b2b765b5850598d06dcfde1159dbf95c6a5f9381d8cb9d3d442ab2288b55d105
P2WPKH_V0
(witness)
30440220589dc73151979b7622856b145012be5f26281271f516bb3236bc87a0927fad9f02207520b92b345453bceb2cac1e42bebc34f67d5ff1ae4ea351ed99b4b75e48124001
0242e0224a239c25080e1bf8ce7e107310b64f1ac705b97078689ce2a1c9f2b8a1
P2SH
1600142ee9ff605bcb80774e7b8d23fd87c803a3c86d36
.��`[ˀwN{�#�����m6
(witness)
3044022029ccc19c43f5c5b592e8b02463a657c57c777b9ca2a2fd1ebf11196cd6ef813d02207a110929e32250b35b9fe2b276d02c4aacf2fd04dc5a12417b828945493df5eb01
037f65f9ffabf02df1b6ef776b0c24ba08bedcc697bfd4ab579b1baae94064ae7d
Output Scripts
P2WPKH_V0
OP_0 747a85d098fcf92e51775de8a27301876e4c247e
P2SH
OP_HASH160 d1e275e18df698be52372fb2f88b6b3c1e66c6d1 OP_EQUAL