Onion Monero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: 999a1c424075858b8d250bad610bb3a203514a747c5a958040086ad82c7b16db

Tx public key: c052a5e61f2ce4825dc08d553014e953712bd4e7a28361d6df928cca6a8f8b09
Timestamp: 1725650105 Timestamp [UTC]: 2024-09-06 19:15:05 Age [y:d:h:m:s]: 00:113:18:30:50
Block: 3231745 Fee (per_kB): 0.000244280000 (0.000028477086) Tx size: 8.5781 kB
Tx version: 2 No of confirmations: 81841 RingCT/type: yes/6
Extra: 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

16 output(s) for total of ? xmr

stealth address amount amount idx tag
00: e0900286ab2041ae4565958aee42153d6ba0c30705cd85cddc92721f6d5faef8 ? 114022478 of 122498386 <bc>
01: 80ca912f0a197da786a2a6b28e2e3956731454945002fa2e579ec2c11dfe0c04 ? 114022479 of 122498386 <48>
02: 2319cd15b05d53d0dee4dfab74ac65eeb4a0e1c063e605d294c443cdf403bb1a ? 114022480 of 122498386 <80>
03: d72a269d1f47b6092671140168d5f699e7b456fb668726136810f5b4823994f3 ? 114022481 of 122498386 <33>
04: b7f0d154e3a008f6ec56a5c6c0a00dfd119b2af4c2f56c6d4e1a995cd6c4f921 ? 114022482 of 122498386 <0a>
05: 4e4cd6dcc94567242736969a1f2ef5c0c046191bab15176f01b84d8c0ccfba98 ? 114022483 of 122498386 <3e>
06: 13f80ea3c40c7b14757cc6cfd81b8016ad215d00cd72d04e1f1d1fcb2a1134e1 ? 114022484 of 122498386 <17>
07: 3ddc893fbcf8c5a46497151ef1edea80718ffac046fa473e9a0daaec9f8bb863 ? 114022485 of 122498386 <aa>
08: 93a50ea79093c293d77a7ed63d4396289ac428bc19c943c15f5d5005c9ef1344 ? 114022486 of 122498386 <4b>
09: 16d23eadf6b8f83847bc5d530b8351f2f8ffa3652f4da094da9135a98eebd5f3 ? 114022487 of 122498386 <35>
10: 3afbfe15736d664b2feea2288b1ae3991138495075b60ca39c35d8b72b4b9f15 ? 114022488 of 122498386 <00>
11: 988be3a26c91358b7f5978b385f2e863211ec905783846ee3ca4038225a7ab59 ? 114022489 of 122498386 <be>
12: d6a7d26c4059204a1e50eccf9d89d344031a0c365cd86e5a652344f3241fadf0 ? 114022490 of 122498386 <dc>
13: 6a5d6397c82c8fba102abb0a9ca4e33aadba8d8401af3932636b7727ca4d1bda ? 114022491 of 122498386 <c6>
14: dd186ffce8c8736c384d514d74d99c1c9d8f273e59c572d50f62451bdef00236 ? 114022492 of 122498386 <86>
15: b2c37f63bcdb66bf319fc62a8253377bc78cae5a906cf97a76cc312b0eea0e07 ? 114022493 of 122498386 <6d>

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



9 input(s) for total of ? xmr

key image 00: fd66149795293078bfd111e3fe657d8a18596fc35e791ab3f7f02cfc6dd3b84f amount: ?
ring members blk
- 00: 365b443f52439181721271bdcbc1e94a7c8f753d9c0a5296189f82f5b03b137c 02782815
- 01: 644c846e13eab9855905706ecea57e8fe4419c97c359878f553376092836f468 03193430
- 02: 915046f63cc976ef51464ef79b3342e21c1627c9b288d4c27a60635a34d9f936 03221690
- 03: 995fcf4a49e4019291fd6c6586d23155ca97eba9fa01c70f5cc49a91428429de 03228766
- 04: 970e151bdf3a2fbced358af372d231badf76957a6b0685915ec516f921201a7f 03229520
- 05: bb40d412dfe90f1938a10bc1c7b5e42d10caf36ae038864aac4da781216048ba 03229881
- 06: 18f9633688a30f438682b99a379d11b47e9633499386c08213bed4dbd66c1ce4 03230560
- 07: 35e9da3c70f7707a38bfca04acfc6cc9d8bbcbfc5fe591d344dfda6d41697f36 03231045
- 08: 9f4da1ebad3de1822843092fa9a0f0406f5658f9d2532e3237f5a2b8f4966e50 03231356
- 09: 40a219335ea7123fee169fc1829ed303e03b4b8c3d7cd50284cfd9655b0f0216 03231513
- 10: 0debb0c86720bfb5da33104cfe168d438248ec7e7f4d06019d8f96e993c3c893 03231532
- 11: 9beb48f4d694f4e400a411dbda0822509b6b01edbe084b35f12d0561216f16ed 03231578
- 12: 09930636c5a14314dcd05248343ba5a9ba5e51e5a674a8393f5ed0a4894f030a 03231578
- 13: 61733868351a1c9256f390fe8ee7a9a75e43a914085bb9be609ad5433ade238c 03231654
- 14: 74df72487313caf655e3fd21728bf055b4cdecd2186e905fca6ec04b5bb5c3bf 03231657
- 15: da70620226ec373f5aa538d72d0d121f2512bd084d21a8fefdd1cd310fcf0aa7 03231689
key image 01: e0598fb0f2c98aa22c67f6d7224e873e458a4e98e5a2955eba9424bba7b42ff1 amount: ?
ring members blk
- 00: 21b0e084cfdcd7390054f05cece2fe2851fc349484ac640ba042ffc7085408ce 02895807
- 01: 56ac74a1de9321634274bc6b0a1d63e50835d09294e7b3b39ebeda19573c26a6 03113385
- 02: c08ad5f5afb4b53a5565b938081ebd422c913ae67b0a64fa4b2018318d51f764 03120316
- 03: 16b872696ba06107cb470af445899c3f4989929193bcde7ec4005bafa5e0dee0 03213958
- 04: 4361464df09b553ac9189ebea0b39f62a96ec2f8aee66ccd38cb9bd637c28ad2 03218706
- 05: 5dabf92c81a571f8d3194ddf63416e13e843c7c943f63ff1c84654ac7d1840e0 03224509
- 06: 12c4d618df3c1a572328932810e43eb3ab96e94bf96f08d83b470ab46f7b0790 03225415
- 07: 085310487c975a792f6dbdbdf0a8516db47b8d86fc2a10b5c85de6eb5ab06ec1 03229529
- 08: 10c9ef805980381d1f37748ea2690bf78e95df2e0f7701c83f3121e4cb63b435 03229941
- 09: 53a45d5e92a4a9780e9c43fd2f8777e37405abe5a53ab802af41b59405a056dd 03230074
- 10: 637276c91f9d961d4337acaffdac5bbed4d3beafa2c2d454257f1cf0d3e42da5 03231098
- 11: 5f0ff66e2bd8b81be54a633b46db7296f2d190a4d4cde0b33115cec807c2acfb 03231147
- 12: d126da006bfe7c92c4d2ed2939b42d67b349f56818a7801bc8d222a392e2c134 03231495
- 13: df78b17fb19dcbe168a82b74794e9672c320362f9d7f7dbca47d36f7f0b799fb 03231582
- 14: d0e8cdda546f20f22642c894b2f0ea81b4bce60e18dbe60f208eb1d3dddc2391 03231664
- 15: 11bad7287ea216636c7619f42ae067a1c99636d0c130aec19c0e1eba8239260d 03231672
key image 02: d56d131f66971dfd04f9ad7ba39b00fc47380a115ee62d32ea3cfe2496c38229 amount: ?
ring members blk
- 00: 0ff6c392e55de0f1a378e7f093c3ad7ea392082110abcbb8ea7efe36af1e79c2 02467271
- 01: 48bba9f35aad1d1ccd211cd773bb6dbb64ce3a304124f7d2b75fd2f6e0991366 03067381
- 02: f5eed85454dbd7926bb3edd89aaee05daa5a254218a3597cbbe29387fe2cf814 03154484
- 03: 4f984f3b89d1c782fb3f473d5ea69de2a1f5deaefd78c35b54df006a8ca220d0 03199567
- 04: c41ab0a0c1602ffd94bea132180f1b7121acbf119cfb3531902c09cb3978088a 03210126
- 05: 2c1d2098984bcbc4b03a9238a02333f9480945d0287b403271316156ea04a47f 03218438
- 06: 313bbfb4a133f5f4e714d0d5516651fd5aa5eace6794f64c1fa31d3956c6337f 03226913
- 07: b9b38469b2f383560284411f34a7e747784f53ee4e4987e653749c032ce21b7a 03227509
- 08: 270e5eaed991bfc6abe05d299304fbc706d594c3a6df97c923980d78d4b0d5cb 03229909
- 09: 5a2827d04d17ceb93a46ebd09fc919c6d9c8f9ada7dc186044afeedbf36ac106 03230650
- 10: 1163978827c01b55fdc0225cc8eba2768579c7eceb6babf3ec1bcb91639fd577 03231234
- 11: df7082f50b722e0e3bb59974cd6a48a331d40bf2a73f631ea4af83c938c50003 03231354
- 12: 0372b1a86ff5d8266a6756bd7a59f5c531eb220d013cf5de80a41fbbe4158d9c 03231481
- 13: d62c0920019e0d5c2d8f41dd96dc48545baf777c8543259fb281e897849ae8a6 03231541
- 14: 21a24cd7226c16d2003b4abd832303778c4e2001d18e2b5c57d9abec5ef93487 03231720
- 15: 1f70245098b20d1309b90705e03d7cbb8737cd28c6338852d5ebcc37526bc6cd 03231731
key image 03: d19521a151f5435d845aeb5cfc19d5302699f9c77a24cc2b15c2490a31cf18e5 amount: ?
ring members blk
- 00: 9d41e81fc7b2789c8e76e1c176c0bc625840daf356ea0bbcc0c9eab8ec0d94c3 02739361
- 01: 595ed74da082e760ce06a5e66844b704165d6ffba33602ffd43c680ec6dd5c7b 02951792
- 02: 3fbe6ed81845b4f027e39ad6b864907b1454dc1f9bcbb83b5e48895a201cbdfc 03171568
- 03: 1a1ea1502758aaf7047a7febd4636463c770150650179f1f18146da2ccf78ebb 03222597
- 04: e2ed9af61a069d947ea86acb394da664738f27660c5d1ff2cbc7709284678147 03225790
- 05: a8c5c7089303e7d45e51d084d94b29ef0eb4e804dcf095651ef912e6c79868b1 03225930
- 06: 7229d107879403f313a0e0746e973e0eb351e009bc0dfbbd3d86fc46e0c49adf 03227521
- 07: af123b4e38b491b79d7dd8578fa89916c6823dd2684c89c8241e3c51e3f4735d 03230267
- 08: ef0778c811b1321c93412e34282b9e04dd7c0c6f920e79523d93f875bf6dddcf 03230652
- 09: 0d95af0f471e63320cc0289aa9f620ac125852f9d51976db85e18c1d99ac8033 03230898
- 10: 16744b622d5cbc7b99f652ea4c11acaa854b91037bff029517fffce07c134071 03231245
- 11: 11bf3d6b893a2ffe31c9a2949ae602f5db93d655e19e4f4838a954327c13f397 03231279
- 12: 3cf45ee28e44cffed3825a5837c1b4909cf47b1d3cbb7c1a26fb6edd41116762 03231562
- 13: fe5c17d17b74ce1d204ac698c3477d0374ea5ab75d50be0e8c5aeefa8dbed842 03231610
- 14: d961e6fabbbe4f0f571d7a96ce9ca2c054a341119c2150523136f77a55e5328f 03231643
- 15: da70620226ec373f5aa538d72d0d121f2512bd084d21a8fefdd1cd310fcf0aa7 03231689
key image 04: aa86b6c5549c8b3d220c327944c09ee90360097999b1c0d5ac0ba791e56ccb42 amount: ?
ring members blk
- 00: d94a01aa568a9f4651cc680369e49812fef9e0cd2b714ab80bc43a7dabea1a3d 03196269
- 01: 1d197ae9106291b1de5e480cc9ecd444a65bd977dec23a9db68d6758e0c78315 03212327
- 02: d7eb70ea2bfeeb686b8808d51e523b92e77adcf48534af0827c8e44c0d82cb23 03219827
- 03: fc481b9873a068db901587924e12fdfa4d364a005c1cd14dbdda48e2d7600ed5 03222580
- 04: e2a790f8bf91067ad2798ababce9547f8ef25524e7a4b552c81c22a75385cdfe 03225147
- 05: a9173db0d2b95cf555a1e10fbca5756298cf43eb25460ce48aaa718cf6876bac 03230055
- 06: f76c24a8ce2904844bc5070b277dc62322985d1ac72327a24594ef31f4cfefbb 03230217
- 07: 11d22b83dae9dd3fee5a5b01bd8912c4d439570bdea4feb003818cd73d0c7fc2 03230336
- 08: 5c67d32b9172750f71a710f4ab586f794392bb69513001f1fb3c88454d6b0b6f 03230607
- 09: 2057d7d3505e296305077186900f81ee81aab3bd7c843d00ae7416245c5c0c97 03230913
- 10: a601a4aa87b2c5378de7a3aa07b362346564bdcdedb45df29c981a8d65200530 03231018
- 11: 4228cb8076d5556a87964a38f1326789140500c1ec6d029825bfa7da840efa17 03231047
- 12: 5ad67b40ad9356a4a082f5734a981edd40ae55ef5777434143d5b5f128806b38 03231319
- 13: 1fcb4fb17cf55390ce461e37ef4e0e5ecbad136eee990f84aca00425c88f29c1 03231465
- 14: 71bda46ccb003b7afacee4157961a4b661f75a85a10d3494de7de776e57dd184 03231711
- 15: 6a3267c6f18cc302d6a9cd9f4886747e04753271cd641457874eaeeeddc0afdf 03231733
key image 05: 969d2403c1b80d4ef36896591dc0a372d28fd0d1d1567a59296568ef9e3b74ab amount: ?
ring members blk
- 00: a30dccb1240683595abd77cb6a84c8b1df90e6bd649071c2e31fe1464713e4e8 03169579
- 01: 49bf6d8f17434789a17d304abf7bda8da58a009ea8505134bfbf7c74c33e5ecd 03217871
- 02: ce95a29ed9bde6d71ad5f8554272955893464834bc12e748739544b297c53ada 03223668
- 03: f190d4c1b2b4718bb24b6ffd532bbdf149cdfb2b2ce4aad8a44794daedfc9e9d 03226354
- 04: 2cb546089d291253e378a4ecd3f1649a0d6f744c584442928b7d6f22fdeebfc3 03228493
- 05: 8cebaaa8b4537c413e200d50684300228e5bea9621ca1624a648425b5087b108 03228930
- 06: fd8faef29f4819ce4511665caf01dc471e7c4f814063b9a927ae2af81be55ace 03229801
- 07: 85e2902a6825d2254738e9468929727f9c0e75ec1608ba36aa185f10cc454cfd 03230043
- 08: 7ed291af10337e836bf47b2020cafc4ee477f24b64aacbfd881c95a5a8098506 03230527
- 09: 44ece19d66f3e8c493bf71189a4b95504a0675526fc739d752ede2481bcef54e 03230773
- 10: c22988ea29de6e525b07d8e45e18a74cdb4242076e9ef9b932ea821478d35bb8 03231053
- 11: 11811af1eae4e0463421ef3bf23dd985b95e454d4bd564761a7b12d7a91fecbf 03231535
- 12: cc272eb1da502b8c2bda137b0f68a360a4cd5040f0402df47c22c1f01b73be8d 03231541
- 13: f2b600a4d6365f9069b45785e47b45d39dc396075e501e447c5d82773c84ad3f 03231594
- 14: eb32f7292160a2bdc100687e24b7aea819280897a485cd9fe966a4a99fd88eef 03231682
- 15: 137d1b628ca130fc76a55c4cc546605dabbbdfa82e3dea1ed4b65856014c964d 03231711
key image 06: 59cfd2c79330b8dcd271e5d6d0f2392fe536d161fa3c7b66be6daef5d71abaa8 amount: ?
ring members blk
- 00: 0163501ee611f6975002549d99603750fff8a717428e425d80f5f3751c0cd3c4 03189217
- 01: b6e06595e63de6c22ed44033def46ffb5fe89a87ab4da711d348b6ba13f67fab 03214348
- 02: 313dfd529ac83ba1f7e9682cbcf57ecc51a28bba4ae2f48248efea6853e5da8a 03214579
- 03: d536437991a153dc5d50627f0dbd229f52320f485401060ce6ab6169f142801f 03223568
- 04: 28e5e302d267221026979c738fde501d5692b5d6fdb48fb84131d5be01585275 03225449
- 05: a642f02e18b5ce69a06e0496ae71b6079e882ea7cc2e50a77b26c4336796817a 03227036
- 06: e1efdd1f51e2c419b295cc24f8256340eedc94f475d0513c240ad7f77c201f03 03228197
- 07: 4ab28b204d221535f87f44e3ca8b735b43a76bfe0c7fd38a567f624b39d1a2dc 03228285
- 08: 72de7a6900467b25b600085ba2bfe4832133cdb0f9baa1c7159943c4eeb5323f 03229981
- 09: b4c2bb9efd183f1195f46b18abe3a5d701c189e5982bf61d3fc07fb840058fad 03230096
- 10: 2516296acc393be318478e851f9c9b43c69682588a5cc3adde403dcdb5178190 03230938
- 11: 05fd1365359a6e3eeee1bf95e42f5805482df6276596800cf9dd3553c165f115 03231101
- 12: 73965a38c14fc36816ca6a17b33326b0b967d948041ca8e33f00ae2494cf0369 03231130
- 13: 65fd68de1e8fc6392c2c37eb842389123cc640acde86e87a0985b2c6b355b342 03231360
- 14: c4d6d858a2ce6ecc29feed6af902a9e4daf64963fbea8d63901bca9bbf7e6d0a 03231418
- 15: d846e5889aaf0580cff17cf2e21963729dc9600e9853c1788ac5f8b5a06c4c94 03231614
key image 07: 117d6beaaf3fe0219d1ee2650580071675bf7e2f3d7b112a4477295ddc2a27cb amount: ?
ring members blk
- 00: f5ee7737207984f4fefebd3bdb692e4e3cb32dfcbda83c5010122151cb1231b9 03179843
- 01: 0adcedec5f66a35d7586da83f90e940e3e128deea6daecd7292d85fd4c40a82b 03201848
- 02: 1c482508545e0957cb076bf1e6b3efd3c8fe0ab8faf00a65659f36d093d1627d 03224517
- 03: 20b40e75ab4f1f0e9ac23cb9b3045af86c67c996e74add6d1c92fc0fe70d473d 03229971
- 04: b6d3b70c45e425c9f1a6d07662be190b7d1afb9014c96fc2aef3a3093a94c7ab 03229974
- 05: 72e1698e8644a679509956391ec04f9aedf8f84363152a386a7d774e5b3019da 03230409
- 06: bd041f4e20aa80ce8926668654259705eb0ed12037ddae888d10b8ba5373fd1c 03231390
- 07: 369aeec087fa98b513092831a6386cd09b68e53532a79408de0fc8649e929f4d 03231441
- 08: 70ba0d156a70415e9ff7bc5dc40fe67b062b14f0dff2dcb54e140b91935526ae 03231463
- 09: 164833fa10bacb57146751487cac4259c733aa06c794fd3c78bf9bca2dc23635 03231496
- 10: 2dadc663ae618fa3fcc90d02e2089b397ff08d2c81ba53987eca81af95ad23ef 03231567
- 11: 3e5f4d92f06d3ddbb52e42c020118880393b53a0c528ffdf3dd01d34a3daa45f 03231580
- 12: b7d632edddbb8a5e1a2ad2f50f9f907930309ec2bd4059cc5f0faa8ce872abf3 03231614
- 13: 42d1483d57ff4fb8ba7974aabd5680e54815d7d7f59c09398427db48af0f20cb 03231642
- 14: 4ef9074001ea20f039625bd670685a01abafb6b3b862db2daff073aac4b0da8f 03231714
- 15: 3f638a5e9d249ff7a8d081b8691ace29f2e3d4ee0b29ceeecb6476bac1ea9ed2 03231730
key image 08: 01da3b3c0e1bd43256c5f51d9b1ae5ae37fd87d2ef126843de1fb8cba7bfe76d amount: ?
ring members blk
- 00: 125a6bdb11dd41d372b4dd55199e6b74fc3644c7ed54e9a2638765d95ccdf6f0 03153357
- 01: 64eb4a70133311008a08ca4584903493a53c4ea1e0f7e180327dc38a89aca725 03213104
- 02: c4dc1e6f34874fa99a70eafd60ebbfbf559013ddc0a523d645eadbdc2df4ce4d 03222583
- 03: 4fc3bf8322d6f9f087c006e89543d31b2dbe04e2cf90e5f7fa16907f86de15aa 03226337
- 04: 27d929f16223199577917ffa32c0322e478c3c94e537f6bb00143c39e56be094 03229766
- 05: c09e71a8c7572786fbee898372a5808d05e0b1c82e8f96091d9c1c655f166c65 03229887
- 06: 7bfe2f6d96929e88c74d048e8fe87bf0166de51a4713bceac446f090a4480550 03230176
- 07: 6bc87ed847075eefb0886dd6b6dbeb39e71f315a42aeb7c41449192cfd1c6cfe 03231155
- 08: 79fe7204b3e15e69b0925e07403c99922bc256dc3deeb7210fa38b0f30b003ff 03231245
- 09: 2384c6f64d4818b8f34d358454e411235c7ff351b1c6b40946c34df1fbd333e1 03231337
- 10: 760ab252210ffddcd6129eca865baacf2a456bc8ccd12deb7f6d089cd46f64c5 03231519
- 11: 1867f6ba0caf668069ee4c6c405d5dcdd9336d69b9b3cb07fc1ee6ad2206a3e7 03231595
- 12: 9daf9f4881ac51fcba02a64a991ecf344ca4ffa107f54943b4975fb698640eb0 03231600
- 13: 69f025256c18f73145d69de0fe5cf006735696e6ef1259975463fd7fc30ae43f 03231614
- 14: c505c9a6766d91b2de9ac925563f172da3f6d31112bfd7f5e48d93be42bdfa07 03231720
- 15: d080f05e19c7b59780b321d73cd66037bcafdfe7c4dce6d60fa2ce1f2d6c5631 03231731
More details
source code | explorer version (api): master-2023-03-28-d669720 (1.2) | monero version: 0.18.2.2-eac1b86bb