Onion Monero Blockchain Explorer

(no javascript - no cookies - no web analytics trackers - no images - open sourced)

Autorefresh is OFF

Tx hash: 66fd8ee5f392fa6b7706e5a9aff4a9fab6e965ad4a8d759c0abc38eae707aac7

Tx prefix hash: e79314297de1a966b7523e61b512bc807b3a01f5ee530af0975e7d73696962c1
Tx public key: d276ad0f2b0efea9b208ceee6860d18806898a41eadd86cda8c397dda038efa0
Timestamp: 1555048115 Timestamp [UTC]: 2019-04-12 05:48:35 Age [y:d:h:m:s]: 05:221:00:53:28
Block: 1811181 Fee (per_kB): 0.000151490000 (0.000040801094) Tx size: 3.7129 kB
Tx version: 2 No of confirmations: 1471957 RingCT/type: yes/4
Extra: 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

11 output(s) for total of ? xmr

stealth address amount amount idx tag
00: 39e3a7dd6b081cc69238bb8f35d985f3455d37174abeb23f1c2a594d79f78cf2 ? 9385402 of 119573646 -
01: c567bb6305a9e3ad075a4bc1f7951f96bedd25dddff5562269e551dd36e7a28c ? 9385403 of 119573646 -
02: decdeb1e2b7cd393040d858cf9f0f4e416c099ddf0245fcc1cec41363210dcf2 ? 9385404 of 119573646 -
03: ad183f4407bd7187a50288efdbb9a0788f383ff4748b11e3f20d840a7b4fc5e6 ? 9385405 of 119573646 -
04: 9d4d4e2539485f9d12ddeb082220a061a41143ce1fbde7fa1d3f4c181d2e4a1c ? 9385406 of 119573646 -
05: 56b831e8042070a8f9746def48bfac91487c8982c3c896fa5de6cf212e97dbc9 ? 9385407 of 119573646 -
06: 5e6799f410d6e7ab77dd99362bcadf16451fda59874dc48e835abd113bc3eb76 ? 9385408 of 119573646 -
07: 838524f5cf56284d6c1ac4829967361e836200d9240963c03990ca3cc577aa2d ? 9385409 of 119573646 -
08: 641ac36bf067add4f332c8e6d6eaf01bf1afcc45344f70497fd51b17b755133e ? 9385410 of 119573646 -
09: 64a9e24118d9ac81f62bff822094da1997fa2e39c49e73db88492a0db454be74 ? 9385411 of 119573646 -
10: a1f666cdd89f4ae95a7f008c60c037e15f39a1f34a0e38e2847342c7bcdfc794 ? 9385412 of 119573646 -

Check which outputs belong to given Monero 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 Monero in this transaction

Tx private key can be obtained using get_tx_key command in monero-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



Inputs' ring size time scale (from 2018-06-02 20:03:19 till 2019-04-12 06:07:44; resolution: 1.84 days)

  • |___________________________________________________________________________________________________________________________________________________________*__________*__*|
  • |_*___________________________________________________________________________________________________________________________*________________________________________****|

2 input(s) for total of ? xmr

key image 00: 9a66737b477aa0d00d1a30a7279b4d01855cb3858d80966c817841a3d877fa17 amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: 6bc01ee069ee85869f7c4bce0ab70e65139336acebf928bd23dc6a58e95542c5 01791804 11 1/2 2019-03-16 08:15:45 05:247:22:26:18
- 01: db6d34f29a912d20a0944c926f95e64b44e0cf85b3d38748ad1d44ae76c22d1d 01805996 0 0/1 2019-04-05 00:39:35 05:228:06:02:28
- 02: 7189b8ab424933dffa4d20e4c1703f130723b6ea5575a17705b028837ce27d2d 01809915 11 2/2 2019-04-10 10:27:01 05:222:20:15:02
- 03: 35835b41f9d7625789821ec075ca352d276a4c40f23d9f648d92e3f78b96c8e4 01810009 11 1/2 2019-04-10 13:03:39 05:222:17:38:24
- 04: c681290def6019ecff21c1ec60af9cb5c41f70302cf742bc245df82a795927f8 01810317 11 1/2 2019-04-10 23:50:03 05:222:06:52:00
- 05: 34a5c3cdc2b44e7019c0d668bffc2a04c7eb46ca1d5c0947cf50b81fa031b087 01810629 0 0/1 2019-04-11 10:46:32 05:221:19:55:31
- 06: 8f216ba25c2fc0c0ac153e4d9bcc3e8c1e8d53bd46ae39be729b60a533572175 01810778 0 0/1 2019-04-11 15:20:30 05:221:15:21:33
- 07: ec9783a52a547d1eccadf123689e4f3c0b631e930d07d749cf987284f475e931 01811016 0 0/1 2019-04-12 00:32:39 05:221:06:09:24
- 08: ec8f48de40b34169a85f7cfdc6391058e9fc8dbffa753b6f6dd6a8c9fdbaa25b 01811034 0 0/1 2019-04-12 01:01:21 05:221:05:40:42
- 09: 2550b4478082a73aeedcdbd56a32f91961a7123804e019dac9b3bce2335b7bf6 01811159 11 2/2 2019-04-12 05:06:51 05:221:01:35:12
- 10: d333f42ca639c78147834555807e540e8c233b386c04115fc77ad7be5b620bff 01811162 11 1/2 2019-04-12 05:07:44 05:221:01:34:19
key image 01: 9552354a838ee5ed6e32ae52e4bc77576e3818b10808e0ea85ad86739b15f016 amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: a14c8358da7ed1c363e15a71eb82914f7686565915f21235afbc03b466ba2f19 01586462 7 1/2 2018-06-02 21:03:19 06:169:09:38:44
- 01: 8a42cb1dcefae21fb2eca0df0eb2839655e311f6598c30a7e389cfa3a255b53a 01752232 0 0/1 2019-01-19 05:46:25 05:304:00:55:38
- 02: eb1fece79dab32911ee7c8b8f34845a90833b707e72e8cd1265dc99f2bdee1fe 01807195 11 2/2 2019-04-06 15:24:00 05:226:15:18:03
- 03: 033a10cc7433eeff94b8a223fd37f03f7ec77c5f245963199fe649f7651049df 01807306 11 2/2 2019-04-06 19:31:11 05:226:11:10:52
- 04: 6cb365538e96ef8efebc7b069b6062b2f6d6733b6bcc087419eaadae15b6eb6d 01809201 11 1/2 2019-04-09 10:22:18 05:223:20:19:45
- 05: f53ae8a6a6c7320daf3da21388e04f539199e33cf814c3326cec931b5218e6ba 01810684 11 176/2 2019-04-11 12:19:47 05:221:18:22:16
- 06: 88a8f31202bc42f8546a209004ed8e59c9234c4a3626996c2aac343e31d0704e 01810756 11 1/2 2019-04-11 14:41:07 05:221:16:00:56
- 07: b5d8766546fc803d3bc3914261210cad8c524e4f759ad17335a66597091ee8d4 01810899 11 2/2 2019-04-11 19:57:03 05:221:10:45:00
- 08: 65da4fcb11bb06650ec030b7a8538d3731f517710afd5cc80908d5ec4b8a9395 01810907 11 1/2 2019-04-11 20:16:48 05:221:10:25:15
- 09: eb1b964edbde3bd2537976d068804207361f3e30e068542015c6b6a1b7feb645 01810957 11 1/2 2019-04-11 22:23:11 05:221:08:18:52
- 10: 094dbb7d6a89110615ac0da69254aba1ae3410b0f02136f5778fbb92129a8440 01811113 0 0/1 2019-04-12 03:32:07 05:221:03:09:56
{ "version": 2, "unlock_time": 0, "vin": [ { "key": { "amount": 0, "key_offsets": [ 9090717, 216998, 56837, 1122, 5587, 4837, 2297, 4629, 261, 1790, 51 ], "k_image": "9a66737b477aa0d00d1a30a7279b4d01855cb3858d80966c817841a3d877fa17" } }, { "key": { "amount": 0, "key_offsets": [ 6010560, 2620676, 692614, 1667, 28106, 23134, 1181, 3338, 98, 758, 2213 ], "k_image": "9552354a838ee5ed6e32ae52e4bc77576e3818b10808e0ea85ad86739b15f016" } } ], "vout": [ { "amount": 0, "target": { "key": "39e3a7dd6b081cc69238bb8f35d985f3455d37174abeb23f1c2a594d79f78cf2" } }, { "amount": 0, "target": { "key": "c567bb6305a9e3ad075a4bc1f7951f96bedd25dddff5562269e551dd36e7a28c" } }, { "amount": 0, "target": { "key": "decdeb1e2b7cd393040d858cf9f0f4e416c099ddf0245fcc1cec41363210dcf2" } }, { "amount": 0, "target": { "key": "ad183f4407bd7187a50288efdbb9a0788f383ff4748b11e3f20d840a7b4fc5e6" } }, { "amount": 0, "target": { "key": "9d4d4e2539485f9d12ddeb082220a061a41143ce1fbde7fa1d3f4c181d2e4a1c" } }, { "amount": 0, "target": { "key": "56b831e8042070a8f9746def48bfac91487c8982c3c896fa5de6cf212e97dbc9" } }, { "amount": 0, "target": { "key": "5e6799f410d6e7ab77dd99362bcadf16451fda59874dc48e835abd113bc3eb76" } }, { "amount": 0, "target": { "key": "838524f5cf56284d6c1ac4829967361e836200d9240963c03990ca3cc577aa2d" } }, { "amount": 0, "target": { "key": "641ac36bf067add4f332c8e6d6eaf01bf1afcc45344f70497fd51b17b755133e" } }, { "amount": 0, "target": { "key": "64a9e24118d9ac81f62bff822094da1997fa2e39c49e73db88492a0db454be74" } }, { "amount": 0, "target": { "key": "a1f666cdd89f4ae95a7f008c60c037e15f39a1f34a0e38e2847342c7bcdfc794" } } ], "extra": [ 1, 210, 118, 173, 15, 43, 14, 254, 169, 178, 8, 206, 238, 104, 96, 209, 136, 6, 137, 138, 65, 234, 221, 134, 205, 168, 195, 151, 221, 160, 56, 239, 160, 4, 11, 144, 23, 105, 45, 238, 57, 50, 195, 67, 242, 229, 151, 120, 80, 69, 57, 43, 95, 128, 110, 49, 219, 216, 213, 114, 142, 251, 109, 65, 178, 219, 66, 65, 193, 105, 6, 54, 120, 29, 41, 214, 144, 169, 92, 111, 212, 219, 158, 16, 145, 190, 151, 194, 203, 29, 169, 187, 175, 60, 109, 44, 57, 245, 86, 59, 102, 174, 84, 48, 219, 84, 48, 2, 229, 123, 131, 91, 4, 165, 182, 18, 182, 206, 185, 15, 170, 184, 247, 31, 45, 178, 67, 18, 78, 182, 82, 84, 164, 19, 13, 132, 13, 229, 243, 145, 241, 175, 71, 237, 64, 44, 158, 85, 208, 9, 109, 16, 247, 125, 162, 122, 132, 118, 190, 162, 67, 128, 246, 110, 42, 18, 15, 67, 32, 141, 104, 207, 196, 143, 15, 115, 62, 140, 50, 249, 232, 101, 149, 155, 100, 108, 118, 125, 224, 209, 200, 67, 59, 17, 131, 185, 56, 44, 60, 237, 35, 88, 158, 15, 175, 101, 140, 211, 114, 29, 3, 185, 133, 57, 207, 29, 25, 34, 112, 58, 58, 173, 44, 127, 247, 226, 49, 107, 213, 210, 65, 163, 12, 178, 193, 49, 167, 171, 63, 189, 219, 170, 222, 59, 221, 0, 205, 234, 193, 130, 162, 76, 162, 140, 223, 145, 82, 157, 78, 165, 188, 164, 172, 9, 177, 191, 80, 217, 122, 110, 23, 75, 128, 237, 100, 150, 250, 2, 136, 53, 116, 78, 90, 32, 92, 217, 136, 137, 190, 75, 223, 61, 94, 116, 77, 89, 77, 146, 206, 64, 98, 203, 76, 151, 19, 2, 109, 245, 156, 149, 38, 195, 174, 124, 109, 193, 244, 94, 247, 212, 140, 243, 78, 232, 95, 35, 118, 248, 193, 133, 47, 36, 196, 195, 91, 171, 68, 208, 132, 80, 67, 177, 50, 4, 125, 85, 149, 89, 124, 120, 176, 226, 180, 200, 152, 186, 71, 176, 110, 82, 110, 146, 21, 221, 235, 92, 70, 45, 50, 232, 56, 158, 98, 63, 11, 250, 48, 228, 203, 10, 64, 63, 16, 7, 9, 14, 34 ], "rct_signatures": { "type": 4, "txnFee": 151490000, "ecdhInfo": [ { "amount": "49135c473f516412" }, { "amount": "219e71ccb9877e36" }, { "amount": "9aed2aa3d7359b01" }, { "amount": "e3689a77228e018a" }, { "amount": "95c37756c0349762" }, { "amount": "3f66aeeeb0091ede" }, { "amount": "de9abf3668a43b3b" }, { "amount": "eab326022f996e77" }, { "amount": "a6fec1f6881ca8b8" }, { "amount": "95f1447d4299c7d4" }, { "amount": "914da5ac505b019e" }], "outPk": [ "b32dbfececa25d86a838467540447e9b5f1e9fb68ff32a9429a7ff25d7848e43", "5b107e1e164931e1c6a9855e12fc7a03e422cd151ddd395cea58218ea1f67cf6", "3664375f69bd7378cad8d5ee921dce60c0cc61bccfb931a28941e80334280985", "5b3fd38e9b59737d8e3f64320bb3d68e150019174e069a3054a730743cc530be", "0b05f2952d213e8e173fc02ab8505348aeec14ba26baa632183ce95234dfbafe", "b6faea87f3937b9641b13f481bf0962a41814e6b69985fe70a75bbcb67110657", "88aab1a5b55e7a72a2de71b9d24a09d7348aec01f930a9d55e77233a274e5448", "981b0e24e26071fd7f0f1ba8417083d2bdc3860ed0cce9c3911e0024a8be0ab9", "05c784224b25135124c4c13fe9d82f4df4cc2342871a70e3abc25eb002f3dd43", "52bf8f0c9cbbe2610bfb59d898300a8302c5af60caaf82aead4267a24ed5a044", "22927787eed10e55b51dbb073bf0930820b63a26c41a3fdab018734dbf798773"] }, "rctsig_prunable": { "nbp": 1, "bp": [ { "A": "bc7d530ee49f60c118cec78a15210ab9fe31ede1983aedcf3a2b87d462144a61", "S": "aa3c4d31c54185be22fb004300617e1af536a226b8fc880b53f5ff98dcf46452", "T1": "392bc8965640ac8e1538c13dbb7ae5c853c14b74a8e1f2c9fbf91c834b8f6b26", "T2": "3be76e85b159c40722b69f3a13df317b268de3bd97ec4de15f011b2737d72bd9", "taux": "39770373c25bf42e52c22db3362b1985bfd8d80591a2eaa96dc608083b43920f", "mu": "fe097f93fbcb3d2e690b82e724f3af8e5ebf183d362ec44d679e30572d917400", "L": [ "99dcfec7fd6a88f412d119a2aba91ec32a59a65c9b9c06fd6eb41d38f64b442d", "dbfb807228c0e45e03ea2e70a33078451921fff46662a68ed8192ea351131fbf", "0f7b1ebdb7dcbf6cfa85a6df011f6f661abea07eeaf84bfc75b97fda49645490", "317b2313de4b5ccd89487647a2f701a69ff193cc10ae0b6060bb6d46b95d54de", "0fff957139e14b469847d110588e531cbf52134d0bfca2321b899c9c374a67db", "752517ff6b3865a0fea8e6bcc1ad5e173dd125ffe8fc1415872a59cb8d33a246", "227511f49f45c7679f484741eb93e12953b2de78e625d67b99f9f1a0a05f7bb5", "af6e91b6dd22cbc300799ab3ba9448c5c6f167054953da4c136bbf59d980eaaa", "d981ec19d4717229f6269def5b1b9ac1ad30cc0586dda114faa1ac985a68cd12", "b6d073e0a67f2ff39d7f8f93e960f87939c68589c75fd5de9237700e954d844f" ], "R": [ "40efa13b6b0b3c6b1c70e09ad5cbaf13d118bbae1c5754aa61928005e197844c", "d95cf3f00d8f0e84e0ea56b38016616161d31f3e99d8bf6106784ea90a24cf8d", "5476d1457f93d0ba929022b3aa9bb5c314a336ea76598c247d586b842a98156f", "ba09f3ca6d7e87249a5522eeb1bc0a816e7fef5d1c65548d6713d214236e73fb", "ebc9125395908b1e3ef02d4bc967d620028d5f59a56b5aad0d556e365a8a51e9", "b4a733c97e880e8a05e4c53eb052694ee80606571f79ef944cd07591a0eca37f", "d3995c141141f7d79a7ddcad6dfcbdddce166b8681ed7b89742664efc779524b", "f90f12e125d9a78cabed112534757f247def3cd0ab41abb8e15c5e9bbec3ee13", "dbfc450ee1e1f4bf7f95395de3629f2cff53774d08cb80a1f3de8d6c4bfaab49", "1cbe936613999b11069159deaf8e5949bdf339e116b54dcb1945dfefebee2cf3" ], "a": "92e3c24a07a5d1b84fd44d80150c648b5762cabf1b9f4667661b1ddfdcab0609", "b": "bfc43b06b34caa24fe3f30dee42837137794a10b8565357182007d5ccf1b3902", "t": "bbf938bda3016b38bb3bcb8e7faeee303bf75edb71a32705ef2d81681540da0e" } ], "MGs": [ { "ss": [ [ "6837b925fc089d9002a3a6ddcf25e0eaba7d7999e0183b5561eb8b758a090001", "3229520a71582eb768110580f86a4bf7b955e60daed1b6eb894fd284f8c32303"], [ "8e2084f1eb8b318d41ef09338d54f59a2a01cee00ce90bf8c8908afa3a6aee0c", "7047364cf01c4295e7cff945ca2f27a310903bdf36d76fdfd69385237582b70e"], [ "9ada3d6a8abdb1ac2016a2234459ed638cf6903c43097a35bd5166c5d5f5dd06", "5f14c0a84fc7add4075a1cab54ce03dc4730f726c1c93c57bc82b1584c375d0c"], [ "e253e4b8613a564370a32e946b72d204fc37b4753c113a46ab309dd24681520b", "9702091f892a8e85e092ede3d697fb93df91c8405657c9241a8f7db3fa89e50b"], [ "86ea6f57be6a5a9261485cc6647e5855a8daa406e040c6289b66d64ea2e4950f", "1027e271f8597c53f918fad5769e8d92bd87b9c17dbd4257b1b21946979a410e"], [ "0b11ea8e77caf2997a8a75488a363f879242111018e2a326f5862ff0bdbe310c", "f78ff7a8b7dce2fafe6c28da57cd5fa2508dbe8524059564733249d0941a7506"], [ "bedb84f3905530ea914e3bf90fc687b795206e80f76aeba451e061720f047d0a", "d42c149685ec65e037afc73878700424c12a919d9a407df8723f7b0ede948b0d"], [ "f26e59375f719b7c0e5f0972f60f3780070e99681bbe26ba163f535136628c05", "42621d735709417eb6922e35fa24dfa4912c355eff6abb84a93775966175db05"], [ "9df7f2f88c9b01b921ca7432fda4dfb889b735aa65a94a96bdc569a9fcf05d08", "299bdeb213cdc8eac5e9228aedd327de7d7288a9025251ae4c7e7026d8df940c"], [ "2562bccb75c11554fae0b346db33f86aea9759fdbc20f98595b9128eec86a50d", "7cec9736e5bc21cb4d93ce5f2717f25ec084a5ba09d1037a6fc51f7f1845e003"], [ "e295c2bbbdf9d3a323af9da66614b283a624be03d046907bd1df583b1094580f", "4fa28515beed9f05d7b98a6977c57c7fcbbd603201d9635011a4229ddcb1a90f"]], "cc": "9864a0165c7d4a8f674fc06715e48ab4fb1b46453eb4b48944b588623c05d40c" }, { "ss": [ [ "0705a52a6c781369a1e86ffddd6359da0b3ce17f5894da78a88762043a4ec102", "310a1c5f012410f7b93b7aeefd5e70ce0e8f40265b4226ffcf1be3649e1ec703"], [ "82daaf2e79740ed76ae86be5f4ce6e1018fd9fac50414cd5f6c7df2c65fbbf0f", "47419ccad547c02838c77c8dac2ec475e6656346d6d71129c3892f7d82becc04"], [ "f096b2a8b4af4ec61e0dca994b4cd22a8d3cac06e78b9ba52e41c6a653e7ca0a", "4f69906fc17416e69aa77495b16a4a82ba8c33940bed21ce7225751b555d2301"], [ "d1b8bf55f83259ea8173fe9e9c62bed17a2bd80cb3b840188d2e66b4f7578601", "64b357843e56e3c6d09833eba78c21c00ca0f6a190155749e36278e688228c04"], [ "7f01036934bb489d8df764612d55baff8ae591772ea771fb5cf118aa389f7e0b", "57c2175ae6b1c5e7bdc17c2b281aad1429da7b773c72c3356e3a0f6d5e3c3d06"], [ "4097f3f44739c230897c5da11ec0d7eef5aae08544ce06e4b6c08dea1ce51c0a", "8ced8a1391b147e88208f9152acd265d45be6c8bfea889a31326e74e04577f02"], [ "16087cd6fd9e86cfa50c46fe7767ea6a1344e6976f36f993c3c87831bfee5d0e", "623f66a0717633a179b8b9779beca5a7964bbd23f62ace33aea2c79b9ce13a04"], [ "68f09c3d11f6f4ac61c3190e32ea00eb9f8fe27a1b682e6c1a6568f2f0c3610b", "20485869379451c1b5d0d6b5dac23fc606be33f581a4a761b3f50b87de558d03"], [ "1c2ffff21fb3795a311765625b112827f05b7fecc0d5c907bbf8b02eef08ab0d", "b670d6cb3c064c555b91fe2bf9bfed29872b45ae652a10163f423ddaf3e2f901"], [ "517b311d84e5c17ef8781c4556e9baf944e42324eec3e192e2e09dd62fdd6502", "26075a3a9d196d6902ba6ca6fdf138d11ccfd299f54b497354b89395b0ca1f0e"], [ "6a3aeea28b37936e0e9d83f8985c63ca3206cff53fb0740689040a34fe731506", "62c06150126126c5bc62c74e091b33dc744989eeab17b9b884f99ac1fa6fc60b"]], "cc": "86261d6ad97b6c7d705a57568748bf5261d3148d1d69e03920946ddf8c0ba80e" }], "pseudoOuts": [ "c253d71c403d14a4463d624c8f12cd39eaee7fe6dd0b6968548d59f768b40a92", "c2ddaa98733d9a47bd81346dc3853d6edd4b0bdaf7aa1ed31ed1e32677c1b641"] } }


Less details
source code | explorer version (api): master-2023-03-28-d669720 (1.2) | monero version: 0.18.2.2-eac1b86bb