| Timestamp: 1529316496 | Timestamp [UTC]: 2018-06-18 10:08:16 | Age [y:d:h:m:s]: 06:357:16:43:08 |
| Block: 1466 | Fee (Per kB): 0.004920000 (0.000841222) | TX Size: 5.8486 kB |
| TX Version / Type: 2 / standard | No Of Confirmations: 1730015 | RingCT / RingCT Type: Yes / 4 |
| Extra: 0179600be445e26a58578afd9639e2c8226454ddaf6ec87064004fad7f8f5703c3 | ||
| Stealth Address | Amount | Amount Index |
| 00: 23935e582c28b192b3a6dcfb13b0bc83f717011fdf39d260d8c846e39cfed7df | ? | 31967 of 4407833 |
| 01: e99d120ae53ef9f1c6d74ac9d5b9c9bffe8750ed2cfb58740de241cfc456c6be | ? | 31968 of 4407833 |
| 02: e12a55c180d621e6fbfc42334a3977cdce8a931a3d1e03edce547effa8c49580 | ? | 31969 of 4407833 |
| 03: b1c459271b2eea474a517fdca2ec7e5c97e88c6ccb66b04c88820bf3ceab7cf4 | ? | 31970 of 4407833 |
| 04: d9b5ec11ca6fe33a10842be6cadc737b2b47fcf013510d9b210801c06bf2a701 | ? | 31971 of 4407833 |
| 05: bfb9cdbe8bc5fde09c5f9ea95373e05cdd6b84fce1ee912aeeba6f9e9c085af9 | ? | 31972 of 4407833 |
Check which outputs belong to given Arqma address/subaddress and viewkey
For RingCT transactions, outputs amounts are also decoded
Note: address/Subaddress and viewkey are sent to the server, as the calculations are done on the server side
Prove to someone that you have sent them Arqma in this transaction
TX private key can be obtained using get_tx_key
command in arqma-wallet-cli command line tool
Note: Address/Subaddress and TX private key are sent to the server, as the calculations are done on the server side
| Key Image 00: f41cf1c7e6614d09e823046f7771ee5f9039767d134a5ea8b0691906e20fdd5b | Amount: ? | ||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||
| Key Image 01: d43a9db0c7ad0bb92c121d59697d803383ccc76b5df547d8608fd60963377339 | Amount: ? | ||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||
{
"version": 2,
"unlock_time": 0,
"vin": [ {
"key": {
"amount": 0,
"key_offsets": [ 16175, 5611, 1500, 2340, 4024, 1452, 321
],
"k_image": "f41cf1c7e6614d09e823046f7771ee5f9039767d134a5ea8b0691906e20fdd5b"
}
}, {
"key": {
"amount": 0,
"key_offsets": [ 15982, 2676, 1550, 5539, 1954, 2893, 1085
],
"k_image": "d43a9db0c7ad0bb92c121d59697d803383ccc76b5df547d8608fd60963377339"
}
}
],
"vout": [ {
"amount": 0,
"target": {
"key": "23935e582c28b192b3a6dcfb13b0bc83f717011fdf39d260d8c846e39cfed7df"
}
}, {
"amount": 0,
"target": {
"key": "e99d120ae53ef9f1c6d74ac9d5b9c9bffe8750ed2cfb58740de241cfc456c6be"
}
}, {
"amount": 0,
"target": {
"key": "e12a55c180d621e6fbfc42334a3977cdce8a931a3d1e03edce547effa8c49580"
}
}, {
"amount": 0,
"target": {
"key": "b1c459271b2eea474a517fdca2ec7e5c97e88c6ccb66b04c88820bf3ceab7cf4"
}
}, {
"amount": 0,
"target": {
"key": "d9b5ec11ca6fe33a10842be6cadc737b2b47fcf013510d9b210801c06bf2a701"
}
}, {
"amount": 0,
"target": {
"key": "bfb9cdbe8bc5fde09c5f9ea95373e05cdd6b84fce1ee912aeeba6f9e9c085af9"
}
}
],
"extra": [ 1, 121, 96, 11, 228, 69, 226, 106, 88, 87, 138, 253, 150, 57, 226, 200, 34, 100, 84, 221, 175, 110, 200, 112, 100, 0, 79, 173, 127, 143, 87, 3, 195
],
"rct_signatures": {
"type": 4,
"txnFee": 4920000,
"ecdhInfo": [ {
"mask": "9898cecb91b73e31829dbccf888fe8d2b78f51fe8151e8d7db3df0bedbb6410a",
"amount": "b12464f25f8cd4b025c548d80b9ea92c9be9c926624c18a0fced32ec06d7480d"
}, {
"mask": "677cf26a941b7ead90e2c759257d4b66a9eae6a68e097f0963099615a4856007",
"amount": "6b028bc4c4e020102875a3d3e027923efe6c4a4a42ecc74580b2980e8c2af806"
}, {
"mask": "8280af484331988c0c90965a8529777dd3be4283ee1e0e3190d11a308c35b500",
"amount": "3dcafe77dea541445381bc80b6383de154315a5ca2e913dce7be9ecdb49d6809"
}, {
"mask": "55755cafef370b6cac84a0a918dc7cadfa5502fdf91ac00fd573f7a23ded2608",
"amount": "4986f599a4b0f5d50d5ab30762ebc26edd2bc4738e863ecc4023e7123b1d4304"
}, {
"mask": "6875d1bcb98c09329e44b2726d2016d8e9662c15fd2f80c3ab9011ec7b6cf104",
"amount": "3fd175503f8fc825e5ffe096399164388f574ae94a8b18dffeb43bd4a6229d05"
}, {
"mask": "9a3f6e247860af192c02f222e58cbc00bfe37d6a5ed47408c355fd594b35420c",
"amount": "f5ef812d0cbd84b66c36c0049a3148f1a244c4425fa72a21d713d86b9d3cf801"
}],
"outPk": [ "d4d6566dd3ede14262ea8eee04da14c0aac6269a67dd2dd256a81b0bedf10110", "0e1fc430f5435462c08cab15c4cf0f043c037313ab5fa5a86f4b8ff3d94a0e0c", "5a39836d73db47b056c584843b72c418d579a7ed933b9a18b8e1afa84c164e92", "5c7f29a894678f7bba414645f3c8618854a36ac5fc65c1563934a4569e75192d", "aa3f557675cc00444313cf7fba02e43bf75a890dbdc5f73af800f96d78c77a82", "87f22088b9f7cc9cbed03b8bb73ab07dab1ca200aa46e3ec968bee432fa13887"]
},
"rctsig_prunable": {
"bp": [ {
"A": "16045971aba1b162e97bf018439fad0367edf8bed305cb90d99a9a2268b381f9",
"S": "26076996e103b555548f926332e0ee4378b4e362e4368d9f25697696af7aeb68",
"T1": "08d31d11787e9734d64e493edeacf1ef54ab76f121ac22460731d4dff8e31ddd",
"T2": "2eb2270ff60fb67cd20e3a7b313ee413be99314b563ac961aac5976ff24d9c7b",
"taux": "9eaa4734a0cfc59585db235bef2b61dd650733071c3608a315ae7a09165a080c",
"mu": "5c9623d882852dc92538a8bea9a903a3136c938ae23a2bb71330181e1843a00e",
"L": [ "844d144b3ff43bb82b9b8ef80c8e9dcf2999ab798726c99431eee9e94b2ab17a", "02bf4cd20e6c03ec46f1034854d23897427d084337ccc9b97588447755c9b88c", "95ec455928e39e8aee50e44731a3acf2cb07be50eda720deaeff6fb33ea644f3", "60c332d22e4aac0ffa3ab3d8df5edf7fbf235bd94b28ffd32a88acafba34d77c", "69a8e1cb043ef67388f8e7712c36b25a2028224c08217b87b9d6a294967454bb", "742d5b1e2e21eaef12ebfc32032dee95e026c9a64552f2f0bf38234e0e29cf1c"
],
"R": [ "df891e653579d100b2c51fd5e67540b9e3dd263a786442210e2f6b5807a1564d", "9151f793176eb8e148a238409ab61a22599221337c23f9e32f20bdfc63112d08", "8451916cbee65d1d17f4b14a59fbc9da3cf53dfcedf707f1776f3853b1b62a23", "ae8afdb5bbd0cd615aca2a0ba97ceacd7d3cefebde5e4616589f43cfb6859f0b", "ba9aa344fa9feeb72bc0a92805762e789735c0b7af995949853e04be83ee7b60", "867f3b34f456987489f87834e21e80877d9dc45d08424287dc75b4636f2ab95f"
],
"a": "fbce9bd5be85e1cd3ca8cbe6b899e6b5ce90756a287e2d558f092e2393ea7305",
"b": "33a9db7d5a7d8e8c740b32c042212aad2ab68e02af4b777f6422a2a6b583430b",
"t": "d5a48d0a3524f3e18d89a70d2e4fe3b052b5acfe5f0117dbaee755a3e43be20e"
}, {
"A": "ccb0a53a58651eaecc0205bf964a315fd81990d57ed2a839c38d8e493f6f9854",
"S": "cc8ddcf81a9e30472d1e11ba659d838bfeafd6a40833a39b7c7139d1b01ab279",
"T1": "4c58aab2edba753d2e3f2345d2c8ca6810359dd89769e7e4ff276f086fd8d8b2",
"T2": "b59df25b0869fb4157596b9a9fc03e4b6b2c9097b1dda67b11deb447088b8e42",
"taux": "e063a688e028aad4036032d33a8cc9ccf46a76e3b81ce447e3fdacd0ff36d80c",
"mu": "95370ddbaa76659f6f654244ea5dcab51b45fa74e2ecb83a6332f8a06b6b6900",
"L": [ "8493132cb347a779bceafcd733ac895d83397d93a6bbe069445661050570683b", "884616ac861fb887c8bb2c3ca4a50ef7a73d3d54fe6789567af40a28f1c325bd", "d115f972612e57cdf18947c972c55fa39489081d7efac7e5b4bff9811c3f5534", "2e3b45b438b4abe861fd46c00de127c2b6e9134bced1ae1d87bc17a20c67dd63", "5cacb0254e45517df450aae4a657471f69f85bbee2e1e50ec1fe4a471531f9a3", "ad8faf64448d4eda064234c981a8174152c283e3cc1607472519ab363742cf88"
],
"R": [ "f9c757a517e8a5ae1fdc2df4848c3e8afbedbe0d1bf0dbba452b83739a1da0d7", "7c2371861bb3da2d6a126065e271676d37c81283c55db0154e20b43952989755", "c2aed0d013ab149aea1af2ef6e2a9d5b090cf9c8dba126f8bc9f44aa518a7042", "55e8d691d02fd73d5d217d9a55f0170907dba30ce9c4409fa86346e397e5fd93", "c31d3d5ad487be42867b5486dc35b11702f667ae17862f228902cb311c9819f7", "3e63e9c8ecd8402bdb264e64a1cfe243e0d8084138966206f12016579ecf4f47"
],
"a": "18558aed61f5edf527d55adba980ec972d2ec1c9eb968e0d0932a91cdec00d03",
"b": "7bde3b84cc0d6c817bf626b178c4110ee87d368907c4626f5176bec08cb0a704",
"t": "e376d477a63caf34808d73270db1b29811cee241453fc3c5fa790e7120560406"
}, {
"A": "0b8a1633aac83e73f6c68703d3f226aaf00ddea49060c90c9f2c672141f1846e",
"S": "dac65bea0f88dfde8a1a84d25b363ffd9fee05a011cdf02929da27a4ce3afc27",
"T1": "2a128fb47ba0d490504248826a33976c98a09385e0628bf3f832c33a2b877963",
"T2": "b9788efad87a25cb51f6eba48bb2a6f224dce0c03ba7fbca5585fbae9a1e4897",
"taux": "8b11ac92a07b4220587e241c97901721bbc021c370713aa972636e6a861afe00",
"mu": "f199d6f3bf0680e52c74d3132a4183df46f8b82de9cc2efa49e5c27a81afcc08",
"L": [ "5ee585b8e02d0f58d3d456c007b6fcfee4276638b118970d7f67b0a771918c12", "3c22d683b1767e4a25ae84f284335e9523f4ba363dd624174bd843d9a2d0047f", "199c26cbd1af5199ae7c8b156d36dfa8fd0af5d36bc046b65e59ace8ab4254e3", "0cddebcdcf1a31a34c32ac5752ba7ee1a893a454d1b02069a38a373b76104126", "a8eee4092a32f62a510ddb0377710434ffb6dffbc7a19bcad28b9784c587bd25", "329c04e50ed5ebb974084419ca0e2039db3b961606a85e151e529c6c987ec2fd"
],
"R": [ "73350713d41e1f64a21de1ad0b8fea9bc9390a8eacfe64fb8c8a9138e65dbade", "59aa8038eb87d801d82e21b204696a10bae5528b3bb2da73a9d4082d88366104", "bbbfd31b1230dcaa871e17ddc561a5a81c3efc5addaf183427f3925894cca565", "293ea4405106410612ae3703394c67b68aa78024036337be9169f3f52c7173f8", "18b077cd95165361db8a9c3fe731aa498eaf72e93a538e354fe51b43d0af7933", "f8894b418bb085d697ff6c8de3060e1ecadf57a44715a0b41d1643940a56182e"
],
"a": "0f7f8b835406b0495c5acda78f8f45b33dcceff29df39a0a00cf843266d1b109",
"b": "9649501a4a08fb1844305fdcf4c8c455339f52612e946e7d514af109db255b0f",
"t": "0c9bef4ababac227be785e4844ee3456fc11d265da85eedddf7e4f36227b4305"
}, {
"A": "4a1832f430dda7e027b76fcff8bf854b7dc55bb7a758bd2d6ef53c171ecf9313",
"S": "595f2add920df4b69ab6cd2edb3b9cfa37ed8a735485fa793bac6194fe5fcff8",
"T1": "c547eed93a36e3799321e9a9ac2ddb1fe09f7c60bdf8e2ba5bb01005e62cce72",
"T2": "1cbc8e476489f92a5f619efc7fbdf5933c26acc15d9effadb6acd993619d80f0",
"taux": "3c2a9cf359f653a2fece36ee2141dd52610e3d7757d7ab002e8ef1cb6d1a100a",
"mu": "42c1eca360db73066fc74bac5ebc2cd4d7cd1cfc3a7f836a353f9e3bd8a20d00",
"L": [ "04a3006367e4022e2ab68494d382feb8816ad44bad53b4a2d0e45cc952516069", "8ad570503c1667d268f95cd55484f2a6dad20e1c8435dc947b8a21d7a327974d", "8475e225014270db2f2ab428df2370d1f037e79e97fd6b5e041f5e76b8ea1a25", "ad981641dc153c679bc8c3808cd48f9125e8198008eea489f781a431bdc96f8d", "8b891c30a8eff0e35633068d162da29adb2d8fbe7af4183e28137b5f57bd5c53", "7ccf3ca426a668bea0ef459029c438f8754885157431befba889f658191d18bc"
],
"R": [ "5eeeceb8b4a8e988e1fee019046fbcf6e5bca3fb589a0d28de6bb2ca150bbf04", "a778fa152e2cbe50c64f0f3d44e08eaef444b18c01d0c1c6fd5528340958db35", "2ba1f689395a3f07589f7a9ab66a2531a22d32065a6ddf0d0f439c3bf4637b56", "e277ab2aecc8aa980b434780432ff15d66eec110d01998ad35bc3b1a2ced027a", "fc865b364682d4029e7d3fcfc21cf9775fb681c3d714d714bcb4685053b09e16", "25fadc6d4de7f61d861c7c87110794c04bca97672320a7a5d7794c8fd23e7f1d"
],
"a": "d7d7bf2ce7f3b37cee34f60fc7b1ae4423d3bd28b2e5ff4cfe6871d525fe330c",
"b": "79a3fec552cb07dce0e942d603655afa93dc6dc4c4b2acce9f6fc423b684490b",
"t": "c766014a458e07159010cf7c7cc696e36573e51164960cb2e1608df61c68b90f"
}, {
"A": "a287e2d8eea6ef40610764950a8fc6588fc8f97a9b465982479022a2e8665dd1",
"S": "9cf937fde406d2e4c6e1d50db8fc4247acfe0721c59a57786f41f58f1bb59eb9",
"T1": "dc05092f5143d0463bf9a14bafae44ba7afa0c7e99efaa4df90b925eefb36ffa",
"T2": "77ce4516cdb270fe822d5cbaa7e8914c02d9f77f1dad6db8fcfc41fb29a0d40a",
"taux": "2319f01bad191417da20253df8cc8c23c53a21fe0e0f4a356fa671aee74d5f0a",
"mu": "fdbe7d434316fe0213cb10c6da8b86224ebb7345878769613801c17324f03601",
"L": [ "1e52d31676b5cbbac65c14856f24564f2563b9b40e94c1a17c7c429266691e12", "3b47c448a4ab726be31e0e1296221b6d3ff8ae27e8d033f33d97263fffed6df0", "653264b05e6d4397c46d2b091d6b4825d4faf97faf814741e6a13907ebc8b5db", "08f7b2704cbb6d457680f9874bb5a44818383dcb8eedaafc0e8c9f864d9dff95", "ec56054fec74031ca37403056826e3acae08a9a395fdabb4de98481ba9ca9a3a", "10b67b2ab9e55a74805184cf493c08172db7cca99bbad12728f49f40d9d7901f"
],
"R": [ "0e83f329ca4b542c57d148585ee921c66c0fcc89db239e75b60db28991eb8cc8", "bcab8b3e3cb6e8bcc6f669c67bdade4a352986a81d12886506b86d4a4f3a6497", "5b8d78a9aa77d29a0c6af5fff58f9edb96cca972b400f5ab41b435f5471c1bd9", "c875a02f2a5d8df1b46425fa73624e32ff8acf6bc561b0eb35dccae149e0495d", "b4c077c36b7560a6704a9632c897f01dc1fb1e3cea4f7b4e0df5a03178a05d9f", "72e732e235979d0d8f57e329acd72384449bd3e4a8bf006ed1828c5f2f1dad84"
],
"a": "12f69586d4ad6f501eb0c22447a42a533b57aa6a4442baffa4e2bd50e9a43c0e",
"b": "bdd6d1b345a52b34a46c8d56cef90f2b468de1e189d8816912a9b30c3df3df0f",
"t": "d95e5ae8f91c7ff19b28d9cc50bc1b169480baee75474cf94056fab5394cfe0c"
}, {
"A": "356675e7c9dc5adb0b17f71ff84a12f0b5ed48809076fef85aeee5a52ee79171",
"S": "2f92c1e371cf4c3b5f2d6f564e930e8ebbf50d7fa8f43679cc97ccae32bea273",
"T1": "a358dd2861c7b8ab58926d18a867eb37a6deadee94a985a3808b53cfbfb2a8ff",
"T2": "6da130205a8d010c312b5c8f3649a3b7b26ee696e5394f548ebafe74bf8506e0",
"taux": "abd0100ca320ac8748ba696b528ae5520099d5a858d7502fd008b081f5172e0a",
"mu": "e90732db15aeb67a8ab6bfeb3b606338e709200ef8108eaa15188a84fcdef507",
"L": [ "4447c1b817591110b50bf38fca85e37c61e5cb48975a430747a31d65ef1136d5", "75098c961b2ca7bce8db08559186af4d461055bd0f2c35f55ee3045fa7d0c9ca", "6f77d003d0d1eb55a935d6a26eaabccd4f8f5e12212d10b7aaee9f6d5aed896b", "e6d76c61405778b609ff2e89b5f9d6b79e20ada95dbeff559cae5f6d0aac38fe", "814b1f065571b1c76fd467a0d67acfc10db1df439ff5624c533ef5a83c6558bb", "70878bb0656c47c78a171891959474a7c9eac240c6b1f144179e43bff5a5f218"
],
"R": [ "e72c7d4854dbb68b2cabc26eb5cb9f134438e31d8263140cbed95e6be1533c0a", "90255df01420e9c6dcf24b20434eaf0a272a58bc4e2bbc68c6e54fcf9841fd66", "4804cfbfab45a8fce6e1259fcf7d9c71e2991a1f36ea5ba5f2558ed2867ceba8", "0d16fbde96beb4416847414419fef79e6c2bfc684a71eafc2c5d1b5735aa1f8d", "05f9108a3410841f294ca97cb0f017b373975f1d05bccbd764c1b59b7061f45f", "8e07951cd12fd3af0aec6dbfd12cd07115ddc2e9064015c273d7d8fd9bb05827"
],
"a": "bae2a7b9834c4e9779760bdd60872336a38e938a45ec9cace1f8958024a93709",
"b": "2b364d8fee1fde935ea8422ed41930c85a202df1636867abe31910345b7f4304",
"t": "c1284d84362b86e454058dc66c9034dd609d9933e62420e171fed939fd7a7809"
}
],
"MGs": [ {
"ss": [ [ "3472886d17156b6a2cca141573c6ecd3b99ef5a5dfd5430eef02795f217db105", "5ab9164e789fa2175062066bc68b9f33f6af1add835c463afcd59c5d57809f02"], [ "2d23396f20b46816327cc9342135fb8854b8f585caa1f3580eb1b4733ae9dc03", "4db56495562519123b9bdc500205f8d97d24f29047e6aab1d4020abf65232e0f"], [ "2bab50c526ee39bd5e28cebd8f807f3f8c27e23470347c72f76b1f32a8452604", "5cd2caf9de872bfaef3e1055abb04b139033e91fde912d73a5251952fe074f02"], [ "95a299e317f6019961929a495c6485f030281ac6042e2fa8b0474af5f611b806", "2fed069542d9c7059152e8188e4d2fcc64986038eda726d54d824db02b536d0f"], [ "52a5558fe99926288524b5b283d6c64822752ad9e6beca4d13655d40e391000d", "ecd7765e74005b8b998b5b575d33bb0c430ec4372286614ffe3bc3dbe03eb90c"], [ "5aea04c931dae599d05d8f54e69e2b351c0a47042eb21d084cce3657206f0d0e", "32d1173708efebfc50bcdf8278801cc6ccd4f6d5e6c04c77436d000664a47f06"], [ "9d246c929765eaa5f4e9c3b10b54e0f52a0b17646a9c0716c2cdd1f03cd1e50d", "109dd10bc7ce312064943279a3d53c88268b31668b67d945e6e32f2bc675fa0f"]],
"cc": "670d7964dfec101a73aeaab75831aae25310d27f84f23cac4d12546376b0fd06"
}, {
"ss": [ [ "bccbf60ac8854a685e87bc98eb9a6b81f9e9c1f95ef2d343405bca80e9a9c40d", "a35c0ac69da72448ae49bceb76a482c5e8e64bbfa60502159f4c88c4fdc48a0e"], [ "40cba4cd4928c1a2bca353f2c6134dd52945c61035118073fe27a93d74ee5b09", "94503fca63411fd12252c07c53b654b2c6a92eade9e06cfa98999bda9174050d"], [ "411e62fecf5c8592fd7950b9da2ca6cc6dbff2665084bf4373f9e42a9f694f08", "c25eb4582c6c99d642848f4617615ab4a5b77c1f1e1bbe12ad4726050179a009"], [ "b779c485d8492713c6882445aa0b36f3a41ced9c5d3649090c43bc93f52f1109", "3cbf868d604a11facac984c54944822a71e3db349573a83fadfd45a5440a9a01"], [ "04eac5b3f6447aa7a5eaaefbc0112bc19d222c2acc8b549ad266bde411cfa80f", "ced43ac104b632509de281536c7903ecde6018e99a8aeec88301b3e457403d07"], [ "7ce1bca4002eb33da63c7470ca9acaf950b9159e54462f528273d6385fd6090a", "b7188dd510ca21e96a0f08bdf0d8ed3361856165c6cd8b54e89a67b2a48c490a"], [ "fa261dfaaa49ced35d0f2cf4be140057db6a544e4e55aacbf5663087b78bbc05", "54fcb1b976150f633c6770069f9ab35b32e9f880695fce5cd55662ea86e86206"]],
"cc": "0a119ae8bdc0d950e3a8b0b143497be087f02e2043140a396320d8ae75ed8405"
}],
"pseudoOuts": [ "89f62a77829ff6dd9da1fd4243bf8c75248784f0f1be4c2bcdfafd27d8b39751", "96bd35f2b02ab5ffcc88d34e1b4812e6092c00588e5bfb56f4be34f0e07c4352"]
}
}
No javascript / No web analytics trackers / No cookies / No external resources / Open Sourced
Explorer Version (api): master-2025-06-04-e4ae5f8 (7.0) Arqma Version: 7.0.2-d8822805_Release
Latest source code
Forked from: onion-monero-blockchain-explorer
Copyright (C), 2019-2025 arqma.com