Address

Address
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH
Balance
0.146558 QTUM
Ranking
96070
Total Received
0.243812 QTUM
Total Sent
0.097254 QTUM
Token Balances
0.146558 QIAIR
Transaction Count
7
9a28efc59ceef374e684434df8ed05ac5cee92d1b0183d04d01d3a3ab1309b30
3006789 confirmations 2021-02-16 01:25:20
QjoEcGyM5TVkwFeJ8fm2EjpYwPq3uiRZgq 3,194.01057054 QTUM
27ceacb4de75ed5d06a416051489a68636887aaf Contract Call
QjoEcGyM5TVkwFeJ8fm2EjpYwPq3uiRZgq 3,193.00057054 QTUM
Gas 退款
QjoEcGyM5TVkwFeJ8fm2EjpYwPq3uiRZgq 0.08219240 QTUM
27ceacb4de75ed5d06a416051489a68636887aaf
QMXKhaQskt8ExoBb11EDjWtDhwNH2qW54i 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QPAPwsUsC6j5Q9b1JHQ5uB6t9gKqjDeTrw 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QiNWUcKmeXEFQvS3fqqCuTb3umff63fxMy 0.1604998 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QfboVfDCoWVxb6wtttUAc2gLaUMpGAhPab 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QMUz5HgTLodWsPiQXmAyYRxj5FDmZXRrBC 0.1759442 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
Qjs8FihtxmYsdfAxYp7APifPssFWaEqfwU 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QVmJCWmKa8RbocwVMNiXRop1YLaJfuAUmt 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QZZkeQ3ipcrowfM6ZuQimtGLgFhwNesCfH 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QX9M1yWc4P5kkx6v6u2u2xq2affXAMvH3U 3.58639 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QgithgWdgDdWTGevCZo4QxQpGUJoVTSDjH 20.62982 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QjgeKbwRAcyos3mykwd5M5NroF8e5R9ErR 21.91805 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QeVNbJrhvJHqmCFzNyPC2zV6FnaY5DyrsD 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QToJyvBShfdeqXk46nXtKnPTHHtp1pKk8d 0.17626793 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
Qe5tw4rnjMkRwazjytLsRrAUwo7FpdwGNE 0.14310522 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QQh2sKis4EpLuQvnJyY4GeYsoHvQhLMZFc 0.1737956 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
Qih5zK2iocZjMDmMk1MJK4rqYuFQ665rKc 0.08857843 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QW7raUC7ESFa94xF22gFdvW9y2zg2PsJs4 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QVFGNKje87VYig5K6SPN14iDRbxov3tVVB 0.15103689 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QNfemjVV8wn3afxWjY1eaNtYVDgFjiZc75 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QPBcQCNwixErvjo77fRijiyi18vBx2Db1d 0.0276442 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QNR7bXiPgmRer7p7JWnkLe5i3Hr3D26QZF 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QT74oHUwJyMFwqJoAsdHdiDoH2Ewm8FPGb 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QbTJkPwUUFqxbRuDbkB9Bzbgo6zVVR8w1j 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QamDiQy9TjEVQSonU1yoinqZ3xesuoiX5o 0.1759442 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QcQgyfzdxCx11y8WSgUexLqysjkZe9oJQS 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QQ41aT139qKPrjEhmjEaG7WccuSGnhSNsN 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QcJe1YU34mTzUjzLtXV3VM5FhWF4ta9KV9 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QPTq3nQEzveALppW8cK8RZA8YqZQ6Jn9t4 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QPN1VZk7WRfcpeWiLXGHzrhnzTiu7Xf5hu 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QQDZ4SwZmaViWAu3Ryyx2GLBdoZzkCM4G8 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QMw8SC57XqTWWmrnEYx2nyZWZy9zvZL3MQ 0.1762542 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QPVH8UayWsDQo3W6JEJcfXNDG3nn6owbjS 0.03967515 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QLoNPqNSgYRchv14qYHhYSPVtXJt8Abkje 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QTc9rbir1SFEK33MGQ228RcBYTynz7EyBc 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QdXhG82jixGRJwRccy5DcC2PNv4J3dnopD 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QZDvPuE39SrVsMGqtqr2a2jQ1vTskBXm8a 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QdfGPRvbhp3oC92AdXcNiYbgF6oxGFxydr 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QjPmrUG3CGb2J1n1avPq5SnnGTFbWV1zqG 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QXaFK74LqCcjxj1KFZ1psAuMKJYhhvnEmG 2.2960292 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QU82TuJR3yPFULMhxLhFw2gqXJKBNyhniV 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QLrEjXi3S4FsYD7ghnFrgifdPvz8nNNYTi 0.146516 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QYrvzs9XFjZx2oz9G5u3ATv6dxPTEjH5ri 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QVEq4wqYXcWxjBjnRMBzsnrMuKSr7qJZt3 0.1837188 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QeKJmSHyRRejTLt9Saj67xhSy5Qg6bVkk8 0.1257132 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QRiWeEntFfozF7Rdsoe7Xyf6tQo2R2yf5p 0.18337537 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QSoqWUdiPvCK1EHecQxSpXd1idT98f2Gh2 0.1364872 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QYj4Wh4oxiWYR1bfRZ8sQdGPhZ8Anxteef 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QTMZRxiaDbVLUgtWeo5ZM8dLw1koTA5Bkc 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QhG1aQBFzm24kZYjHJ15vb95gqXxdxgk5U 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QV5eEdq2LaA5dMgwNeTVM7q5iuBvgfDS1j 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QMjvXhUQ3W7yoXBxDJtZjCkJVaeQx4Kxto 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QfVKyushDGAfCSQfiAGuReQYNGZRGuTWSw 0.1759432 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QZrSJgLqni73Y3p1CuCxhf2hbZpgu5Vrw4 0.9461906 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QMcLQefLSFFmnX62q9nJfTE4Fygi5QvSy1 0.0954554 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QWFneqmLT5myYndireVARBYzqFheftC3Qh 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.146558 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QUqMXj9NnUSrEuZTa163Df58v5VoUMHPAz 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QSaLYnSsgR9XE1GFFps6pAkSZfR8aBPNg4 0.99992465 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QVeRNwDT1FjPTkrR4zHBgdFtxmxV4mufyg 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QR9yXSF1k5zP1Ynh17y23nuWozW1riF1bR 0.1759432 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QN48Y39nWEf5vUX5p3b1mjuXBpbKX3ceFp 0.1836932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
Qekgtyj68wTpfwi2KyEWRuRCtPFGcqHSeR 0.0248932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QW8sf8rNp9upsHEM9FHDsNa6q8BnUJY27R 0.2 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QjFGkvMYUE5UFgN8iQcScUCbL3SY3rdYdh 0.1835972 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QbL2unL2ESFvUpneqeBb48rAiNJ75Nhbzy 0.0248932 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QY49dqtV9GiLM81YVYnXgb8jFwyrpLauKi 0.1779912 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QN1Yy1ZuwQeCcDuE3xyWSSVyKwvd9u7Wic 0.09008084 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QacYPqsdR4T79joGYDe83p2fDM53RzdihZ 0.2999024 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QeiAhbhwTuYqMhpy3hrCUzRMbNhLgvMCLr 0.1759432 QIAIR
27ceacb4de75ed5d06a416051489a68636887aaf
QbjjVnNYuCzjcSMoCw8Z3ss8UTzX2BK8Mu 0.1762542 QIAIR
Fee 0.9278076 QTUM
9112e9da05eed7773021746c79022cf2a43a54171cc03d4297a55608456555f1
3659200 confirmations 2018-04-27 05:45:20
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.15137400 QTUM
b6c48b3a7c888713dd96eed92a4ee0397dd64e71 Contract Call
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.10274600 QTUM
Gas 退款
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.02489320 QTUM
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH
QddZMhmVVfHXHpTrxqMSgUDxCBe24RRt91 17,263 PLY
Fee 0.0237348 QTUM
6e6fc1d7ac16301b237a4d99936bcee5930f1f1a795a1579f1149eb9dd50ef39
3659200 confirmations 2018-04-27 05:45:20
QQf5CHKHT4G7vdRRLAPuCBWGLZitEVtBqD 2,423.39273489 QTUM
Empty Output
QQf5CHKHT4G7vdRRLAPuCBWGLZitEVtBqD 1,211.94000000 QTUM
QQf5CHKHT4G7vdRRLAPuCBWGLZitEVtBqD 1,211.95903347 QTUM
QjAoLiXPTGGtavq6w9mTBtNkipxgiWLwxa 0.50629851 QTUM
Qi8t89jduvEpncyHjA3zt66d5KCZZx6vWA 0.50629851 QTUM
QbKdUJuhrxaEbgyYac22gDjbzzSVdbX55V 0.50629851 QTUM
QYHV93kbN9osowPHTWHjeYzgrmZasdatov 0.50629851 QTUM
Qij58gv6AVMcVyriE4tenGzErf7Q3qJ5MY 0.50629851 QTUM
QZWqgvPKtFThPxPeQ1C5WMTB1Nx88WXiHw 0.50629851 QTUM
QSYiNDZJ5ZjhvqySmKVM4MgzDeoT8nkzCf 0.50629851 QTUM
QTz7PyCea2T8VZJQFv4z6o1pSvD3GdX371 0.50629851 QTUM
QPoVZqSCxtWkHgNt8jkipv6KNJUMmE7gRT 0.50629851 QTUM
QjRkBHLkNcpUnQ8WyqnPVDKZhJaiFQ75gF 0.01489320 QTUM
QX4mzfgpqvU3W4D5uKa4AbEHq9ENzRCctZ 0.01494440 QTUM
QddZMhmVVfHXHpTrxqMSgUDxCBe24RRt91 0.01491880 QTUM
QXWbhmpDq7vzKSHNKD7p5Pw4hRuSPWAvsv 0.01489320 QTUM
QYP9G55Wb39xU3CntZztJ1DuZGLhmxXnYa 0.01489320 QTUM
QbrsvgjEczePnokYmF419xDbUvbEXCmV4x 0.00891880 QTUM
QLksWd6Wcop99qKFvVXK9XP5yVjBHW1Zay 0.07889320 QTUM
QLksWd6Wcop99qKFvVXK9XP5yVjBHW1Zay 0.07889320 QTUM
QLksWd6Wcop99qKFvVXK9XP5yVjBHW1Zay 0.07889320 QTUM
QSwMsMg3aVa4muJN4oKGKktv5YeMs6Uw8s 0.07891880 QTUM
QcMwA2S7vmciL1MkvYQ62o4aT1A9ej3wsW 0.07922000 QTUM
QcfGp4BFN3L1dVbyBquakxQALAhgpKtLce 0.07891880 QTUM
Qbf6sk8kydFLnikXGkSxKLcczNBwVgWwrR 0.08541680 QTUM
QgXb18MdeK8Ekss2GhSdBDhKoNbZ9DsuKC 0.00940560 QTUM
QTra7bstpgTt5FTbgQBWhRzkrbdUTQJWTy 0.08489320 QTUM
QTra7bstpgTt5FTbgQBWhRzkrbdUTQJWTy 0.08489320 QTUM
QTra7bstpgTt5FTbgQBWhRzkrbdUTQJWTy 0.07889320 QTUM
QhbHmxKYpV2tqaRhVPQvypRK5jcMjntpkU 0.02489320 QTUM
QadJBEdMRyRkoWHswytAFQsjePEcKJjbo7 0.01889320 QTUM
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.02489320 QTUM
QefwxHwrvM35UBmosfBByJPVdRQEAxSsSJ 0.01889320 QTUM
QczPbXe6N5dXHvdWRLFEGBsEwEXLUCprkw 0.01889320 QTUM
Qh4dXbKsc8sH8jzmKZYjAhASmqrQhLp4Ls 0.01889320 QTUM
QUUpoaXt1AeJ8nDP937UP3uN9zmShTZZ5S 0.01889320 QTUM
QSW6aSDG43Vvkv6HhnkztWm7jZKJr78rR1 0.02489320 QTUM
QWmhzpQ75uxCT7ris74pCN3BWvhLn3ooMu 0.01889320 QTUM
QNYe9UUGgy53htj9NxwCdwM9nijX28ZhLt 0.02489320 QTUM
QczPbXe6N5dXHvdWRLFEGBsEwEXLUCprkw 0.01889320 QTUM
QVwgXpwuywHrSCcdYPC7XUAbm2vn88uLsC 0.06529520 QTUM
QRNekxURcTWqjc3haDb7rcPhQdU9c161Dd 0.07924560 QTUM
QeC6MxmNM2yjBKoc8SZhCjedaExAkcDykA 0.07938000 QTUM
QfkzEPSWEWxocKFwcZu8MdnHVswCUuWvXV 0.07929480 QTUM
QcMwA2S7vmciL1MkvYQ62o4aT1A9ej3wsW 0.08522000 QTUM
QdYpDN7uJUdzMVxmXwmSVdRM7bRiXEfHVf 0.02516280 QTUM
QZ5HfrftaYavZhipKKvADQCuafLBH9X2aD 0.02522000 QTUM
QWSTGRwdScLfdr6agUqR4G7ow4Mjc4e5re 0.07944240 QTUM
QiXxmN9DUDbYwPtjm3LXybme6QMsCXbQrA 0.02522000 QTUM
Reward 5.06298517 QTUM
ab08df882e177418480fc759ae8fda17f0df0cc347dbec0092808947354267bf
3659221 confirmations 2018-04-27 04:58:08
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.20000000 QTUM
b6c48b3a7c888713dd96eed92a4ee0397dd64e71 Contract Call
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.15137400 QTUM
Gas 退款
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.01891880 QTUM
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH
QddZMhmVVfHXHpTrxqMSgUDxCBe24RRt91 100 PLY
Fee 0.0297072 QTUM
feb0f26fea22ae71bdde0f4b39ed63989991dbe7d40816bf75595e877eb3d211
3659221 confirmations 2018-04-27 04:58:08
QS3AhMzQfEQJ7G4QjVKDSf1bFrpA94pzah 1,209.32980482 QTUM
Empty Output
QS3AhMzQfEQJ7G4QjVKDSf1bFrpA94pzah 604.90000000 QTUM
QS3AhMzQfEQJ7G4QjVKDSf1bFrpA94pzah 604.90429644 QTUM
QNqKeSsHjZfbVxB2jkpDUgGcZvSheWKhCw 0.47449162 QTUM
QbaWJg4pq8bCEKp5C9o1wFdhpZAB9dxY1z 0.47449162 QTUM
Qi5M8EkZewiYGsmHiggk6egKgGBRPZqVKy 0.47449162 QTUM
QV4UYrDo8bnxXQDDtnkThje5fL496rf3Tj 0.47449162 QTUM
Qh3JjEGa2KWFv3kWGuAZaqyAehw9ht24xj 0.47449162 QTUM
QVimnkQYTy7HXhrMahWigSFVcaCqRatVL4 0.47449162 QTUM
QQYySVc5WEe3g6PnNFYmspqG5CfSG8rnma 0.47449162 QTUM
QTjdG9SDrZK4cPKnA1ZArRDQKiegzr541H 0.47449162 QTUM
QX2DVRUzT3TszrQGEVuSLr3QfQcS6ajt1p 0.47449162 QTUM
QawvYVFazfQKQmLfhdM9GdYFwYjwTmphkG 0.01489320 QTUM
QgCKSndLUcpwEz5hHN2L9PVyV4NBfYtQAo 0.01491880 QTUM
QbL2unL2ESFvUpneqeBb48rAiNJ75Nhbzy 0.02489320 QTUM
QeQeKUNg98E6TLeDg8jcK24ZkJs6VTB5wR 0.08486400 QTUM
QgXb18MdeK8Ekss2GhSdBDhKoNbZ9DsuKC 0.00940560 QTUM
QeQeKUNg98E6TLeDg8jcK24ZkJs6VTB5wR 0.08486400 QTUM
QeQeKUNg98E6TLeDg8jcK24ZkJs6VTB5wR 0.08486400 QTUM
QPPSafK3ViagK2mHzb5pHnrJnwoZzDzaJW 0.08524560 QTUM
QcUJLFxdbtVR6963px1mxhTaU85kb4rG2z 0.07894440 QTUM
QWT43Y4TYYB3tbrP3nbqt2zKfcgZf9u4g3 0.08489320 QTUM
Qbf6sk8kydFLnikXGkSxKLcczNBwVgWwrR 0.07935440 QTUM
Qb6odcSizBHVpcUmJvP1zgHnSnW9bP28gP 0.01889320 QTUM
QMigA3N7RWXBCdzrBTKfdukVTP4t9Y1aW6 0.01889320 QTUM
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.01891880 QTUM
QW7P5xzRAeW1nq2uVUpFMAbiFmy6x9N9UW 0.02491880 QTUM
QeC6MxmNM2yjBKoc8SZhCjedaExAkcDykA 0.07918840 QTUM
QeQeKUNg98E6TLeDg8jcK24ZkJs6VTB5wR 0.08486400 QTUM
QeQeKUNg98E6TLeDg8jcK24ZkJs6VTB5wR 0.02486400 QTUM
QeQeKUNg98E6TLeDg8jcK24ZkJs6VTB5wR 0.00486400 QTUM
QjKhgUmALvd3J5nGP9H6oHkmPDVyNQ7ghD 0.02522000 QTUM
QWD7GaHvVTov8Uz1XL7divDsSnMpeRFjck 0.08524560 QTUM
Reward 4.7449162 QTUM
72dfff6c941b907f6e05c31af7bd6c567749583213f16953653d8bd03835b5b5
3660554 confirmations 2018-04-24 23:23:12
QNqU59wM5HBUqUNEVvTQtvMZENU32nqCgt 284.05578129 QTUM
b6c48b3a7c888713dd96eed92a4ee0397dd64e71 Contract Call
QNqU59wM5HBUqUNEVvTQtvMZENU32nqCgt 283.97452398 QTUM
Gas 退款
QNqU59wM5HBUqUNEVvTQtvMZENU32nqCgt 0.05889320 QTUM
QNqU59wM5HBUqUNEVvTQtvMZENU32nqCgt
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 17,363 PLY
Fee 0.02236411 QTUM
a5fe80165c8bcbec45a72514ea854d6a6765178d24ff4d6dbd5f46bc18733d46
3660554 confirmations 2018-04-24 23:23:12
QNqU59wM5HBUqUNEVvTQtvMZENU32nqCgt 284.25672846 QTUM
QNqU59wM5HBUqUNEVvTQtvMZENU32nqCgt 284.05578129 QTUM
QZ4maAAC2ff8mb4jPenpYpDPeFE6cjTBgH 0.20000000 QTUM
Fee 0.00094717 QTUM