Onion Monero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: 6a7f01e51aefd4a3eff196c0782773d9d8fc7e57c13c627c30f566d37579d639

Tx prefix hash: 074a4cf74f20c64b22f89a6b51a87a1ccb4024f92b2d89ffecf0645bae11ebcf
Tx public key: 7e010895f7eacda5b4088862ef22ae651dab83158cab8877982aa7329ab147f0
Timestamp: 1407494341 Timestamp [UTC]: 2014-08-08 10:39:01 Age [y:d:h:m:s]: 10:102:17:17:17
Block: 164288 Fee (per_kB): 0.010000000000 (0.003382887347) Tx size: 2.9561 kB
Tx version: 1 No of confirmations: 3118033 RingCT/type: no
Extra: 017e010895f7eacda5b4088862ef22ae651dab83158cab8877982aa7329ab147f0

53 output(s) for total of 15.070000000000 xmr

stealth address amount amount idx tag
00: e033907df3aa0b0395b7992e7a9bcbddecedb29cf25b4f5e396c9c14f896c83e 0.070000000000 93386 of 263947 -
01: dd3bfa188564cd9a8c9c59681dc4359aaaa3bbf49f04bc2a2b66369dd4b199e6 0.100000000000 392382 of 982315 -
02: 066d50ce6091917ef6203699a5f4cdb913ea17c230f120993a66b2d1b27cf824 0.100000000000 392383 of 982315 -
03: 556cef9dad6f401c9ae6f0b07e093fb59d6799f3b712d5e51b96ed350643bbc1 0.100000000000 392384 of 982315 -
04: 944d91cb3ffe77a00a57641b590c890b16c1192547a1f0d6a39d0283ea38eb21 0.100000000000 392385 of 982315 -
05: ffd08b99ec418ed3cfbb2bfe8fc77c9fb0369939ffeff05a911b9ea720b900f6 0.100000000000 392386 of 982315 -
06: d90427c711e67fe6de9dcfc581522afe5520496d6b3dd4575f46d98edbcfd371 0.100000000000 392387 of 982315 -
07: 42ab123b46cb1adce1bf003610ca0a9888df396f579058a0459156ac161c6377 0.100000000000 392388 of 982315 -
08: 2e59f3b4923b7db5636e3f400c85d7e646b18504687174f88eb2f8803e1ec70c 0.100000000000 392389 of 982315 -
09: bc618620fb7e13460fdc95e52e6a1b95c146fdabf96e488681042cbb1993cb47 0.100000000000 392390 of 982315 -
10: 09e59e4e42ebc74686580fd4b5f86bca36d6b6cb5f5a30bc8707c55f406c1df0 0.100000000000 392391 of 982315 -
11: db8649509a04a9592ec7e3a0be69bc692afa6751961a2e69e78b49c0ececabb9 0.100000000000 392392 of 982315 -
12: 724b436fadda6ed212929d2d254e5e317bfa49a734cead7d683d7e9f4d7b694e 0.100000000000 392393 of 982315 -
13: 07e7bf2534ef3b64cbeccafcdde3ce2fb7070a6ccd7dfe678e2f9f412d1475a9 0.100000000000 392394 of 982315 -
14: 7ddd07b382da00fd4b93e14f7aefe93d673b1b7586b77c22269248cbd51fdd70 0.100000000000 392395 of 982315 -
15: 4f30894153e3eba19b6995713fb08ea24c992c088f3dc4d945fd673d4851af9c 0.100000000000 392396 of 982315 -
16: 045c6834f864fd37412c4523d0c2b63b4b306730992f93918ec59c5406cc1fa2 0.100000000000 392397 of 982315 -
17: 9df6642a5a04ff95e7b2b57bc48fe93db5a302b61fe96443edf0f4f956cc54a2 0.100000000000 392398 of 982315 -
18: b9927e28193e1c992168dcf85c755a611a7a8319f7d6af7f62a9104fd1b1e09e 0.100000000000 392399 of 982315 -
19: 4b0f0342e7be3b1437a7c40c5fede57c6a23bce7b5981f174249b642e334e57f 0.100000000000 392400 of 982315 -
20: a14638b99b5f73cc7b22602cb055fb148189c8cbdb8ee99afe77093b429fb8ef 0.100000000000 392401 of 982315 -
21: 579dbbe71fa03fc5d784a449a174595c03ba26fc6d95118a456d9c5b76bdf1e2 0.100000000000 392402 of 982315 -
22: 9f3bfbb48845b8843a9a4395f1495db0d4cc3947a2d9a5e34eab0f7c4612dc89 0.100000000000 392403 of 982315 -
23: 3b6988f576890d9eb576d38e0569a0a415004b102d2cdae51f123da68f6b0004 0.100000000000 392404 of 982315 -
24: be175f7e95119c9de1a91ea0fe8d2d87865973596eb0132d59f83c3527d07f13 0.100000000000 392405 of 982315 -
25: 20a9223b30dd065280f53a05917b61476a17af2c99d1272f3519977efd68b394 0.200000000000 334995 of 1272210 -
26: 7e69b9a52821902f0733fc4a3629e44fa962d7459d524f5f431f4d87e45a80ea 0.200000000000 334996 of 1272210 -
27: dfa62d5745ba9b2d12abe1fb5e982d881ab7341d157bac2c9794d330558f7bb0 0.200000000000 334997 of 1272210 -
28: 48a2f0e712e838f4c8f809a6c0b7669dac7c5c09c601c94d4c7a2dd347d29f6e 0.200000000000 334998 of 1272210 -
29: acddb6bc00de6c27f70dffc34bd2b782e9052a541dcf113d5785c3fb0b0a2e78 0.200000000000 334999 of 1272210 -
30: 872ec7e98f11a701af6fef13b1d1fa7f2c30a54a309b2dceca16387f184e802c 0.200000000000 335000 of 1272210 -
31: 5832a70fda82229cec39a1cb99d498777819e3d6e8c62df654d327f4529d3a10 0.200000000000 335001 of 1272210 -
32: e7b42be864bccf123362a79bfb20c8a87230172bd3120ca725775bde09b4dd90 0.200000000000 335002 of 1272210 -
33: 2597b55341df861103f8855d1fc1c2f27bb10e7a6f0c8898315a9b7a15546d1d 0.200000000000 335003 of 1272210 -
34: 23b34c8771bdf3116149ddc33985e18f23f2dc9877b45facf8a98609647b9548 0.200000000000 335004 of 1272210 -
35: 05cda5fae0e86660367e698c097d05f09e944260d8917b093d276b7f93af5b5a 0.200000000000 335005 of 1272210 -
36: d9e75c12261266640d206e1b4285b163dc8239fcc46f539ef028b58f9c9137af 0.300000000000 151228 of 976536 -
37: 4ca10b59d9711c8ad520f55302378dbcb4b8343b0029c72170bfaadfda4e958d 0.300000000000 151229 of 976536 -
38: 0b3be8cdf9207441c2a7e6a5327a70e8dc53ddc702107002cab33ac15a4a51ae 0.300000000000 151230 of 976536 -
39: 2223fa79f49ff21aeb9ad032c8306b3c958b7c0966445f1826795a7d4a55b0fe 0.300000000000 151231 of 976536 -
40: da9c7ec5da1c355914a88c26d89f0d88b4bed2837c93dc8adda45fc1985599dc 0.400000000000 139253 of 688584 -
41: 9e1b2a50cf109c94c6d6817eabd3e1fe4957be4742486f1601eadaf9b3dac8e9 0.400000000000 139254 of 688584 -
42: 3b39ab7a355f95ef2364319c65c2801f124cfe35125c322089ddb43171018cb4 0.400000000000 139255 of 688584 -
43: 24dc0e97219868724c27a9d6ff89ba01b3f5268ea01696ac0cfc04db053e2e9b 0.400000000000 139256 of 688584 -
44: 2b97f5b8868f0eb33c7f6a649a0171ed0aa2daef95e97afb5a58be241824e415 0.400000000000 139257 of 688584 -
45: 8499e5e835a859a41141d4b6d26485c633650400082a941cc129637ca2c4991a 0.400000000000 139258 of 688584 -
46: 5428e31bcece97d4bfb23ca252f827b24503c69ab3f546e9fc123744034e9ddb 0.400000000000 139259 of 688584 -
47: 4cc9598b1e87fd4987d86918a4efb7cb7f4089bcd8b3ff4c9166ed5f0e962941 0.400000000000 139260 of 688584 -
48: 025cd7503142b3538c1fe4287c36f9fd1727a3b29f4752a958345f854f81beab 0.500000000000 208387 of 1118624 -
49: df554e2d7ee42e028cbe1462b63dc25e9714556d9f1501b35760654a6a552907 0.800000000000 103538 of 489955 -
50: af2aa70dbc4915c8ec3e0f1314553628f8c1cb145e47f1bbe84835cd324ad114 0.800000000000 103539 of 489955 -
51: 88a93f991d8488714749a516f96d962ca7050b2a6dceeb91929f876031a3c400 0.900000000000 79703 of 454894 -
52: 5d99cd2cfee7c6579933e31b2cdc6557751c63ea627d7051a90df40e5f7b5986 3.000000000000 42433 of 300495 -

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 2014-05-19 02:54:56 till 2014-08-08 10:38:52; resolution: 0.48 days)

  • |_________*______________________________________________*___*____________________________________________________________________________________________________________*|
  • |_*____________________________________________________________________*________________________________*_________________________________________________________________*|
  • |_________________________________________________________*___________________________________________**__________________________________________________________________*|

3 inputs(s) for total of 15.080000000000 xmr

key image 00: 0d69777ac2c34056836a9b3b9777dfa4ff3864e938f6b1460e72e30921418235 amount: 0.080000000000
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: dce419f20e92f49ed0a22a1974c1bfc237af45425cb1cdbe0ed3248df82e887a 00052785 1 27/302 2014-05-23 10:44:19 10:179:17:11:59
- 01: e92de21b36a1f398cf75f4b6f216962117870c4c39f4e738b93527bba6e6d36c 00085430 1 9/132 2014-06-14 20:25:12 10:157:07:31:06
- 02: 5766631fe5907b9ac41fb445c7f99135b515e90c16f627cccb19ac37f23d529f 00087925 1 13/75 2014-06-16 13:40:54 10:155:14:15:24
- 03: 0aa40d2a90933c4f1172199534b596b54aa036e062f0a461df2c91d0d60957ac 00164219 0 0/4 2014-08-08 09:38:52 10:102:18:17:26
key image 01: b5d969e792f002e733495cfca88beec8cdae3c8b40150256c85e0257068909b2 amount: 10.000000000000
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: 9cd9eebf782b9fa2e074c3cc6482bcffa603fcf24da2c32cb3ec69dd1e9e4b00 00046321 0 0/8 2014-05-19 03:54:56 10:184:00:01:22
- 01: 34b85f02f27f41b4c4ff1b6b5e799e4f60818ab6372e26dc2d4d710372001279 00095117 0 0/5 2014-06-21 11:18:43 10:150:16:37:35
- 02: bae34d7c3115832824401522b979e3f0ead6d545a138868e1b964c432b766482 00118382 0 0/5 2014-07-07 13:37:17 10:134:14:19:01
- 03: 66e8a5d2ee4cdb89635e3fe768571412105b9e27339d62119003db2287c51f56 00164162 0 0/5 2014-08-08 08:54:53 10:102:19:01:25
key image 02: 033b85dedbae79dacbfaa0c159e5ea3e6c04ca74c0fad11e06730aead1bcb9ed amount: 5.000000000000
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: a97d55dceb2f534ee89d995887c9f3448cac42d2874bca42d348f832831be419 00086038 0 0/5 2014-06-15 06:23:09 10:156:21:33:09
- 01: af30687dc3cc6bfa1532865ac4a6192969661926a1a12b674ef136c15da2f2cc 00116932 0 0/6 2014-07-06 13:41:24 10:135:14:14:54
- 02: 7ec75c3dea53f47a5e7cb45fbab2bac4bc540c117c2147f7be0df1343b34c2dc 00117785 0 0/5 2014-07-07 04:24:44 10:134:23:31:34
- 03: 76e3fe8b9e640ae10bc8fe3d3500409e7def1402fb145f5cf4e376025712a867 00164219 0 0/4 2014-08-08 09:38:52 10:102:18:17:26
{ "version": 1, "unlock_time": 0, "vin": [ { "key": { "amount": 80000000000, "key_offsets": [ 7030, 41800, 5846, 34654 ], "k_image": "0d69777ac2c34056836a9b3b9777dfa4ff3864e938f6b1460e72e30921418235" } }, { "key": { "amount": 10000000000000, "key_offsets": [ 46176, 56420, 29597, 56577 ], "k_image": "b5d969e792f002e733495cfca88beec8cdae3c8b40150256c85e0257068909b2" } }, { "key": { "amount": 5000000000000, "key_offsets": [ 11402, 26778, 1061, 56337 ], "k_image": "033b85dedbae79dacbfaa0c159e5ea3e6c04ca74c0fad11e06730aead1bcb9ed" } } ], "vout": [ { "amount": 70000000000, "target": { "key": "e033907df3aa0b0395b7992e7a9bcbddecedb29cf25b4f5e396c9c14f896c83e" } }, { "amount": 100000000000, "target": { "key": "dd3bfa188564cd9a8c9c59681dc4359aaaa3bbf49f04bc2a2b66369dd4b199e6" } }, { "amount": 100000000000, "target": { "key": "066d50ce6091917ef6203699a5f4cdb913ea17c230f120993a66b2d1b27cf824" } }, { "amount": 100000000000, "target": { "key": "556cef9dad6f401c9ae6f0b07e093fb59d6799f3b712d5e51b96ed350643bbc1" } }, { "amount": 100000000000, "target": { "key": "944d91cb3ffe77a00a57641b590c890b16c1192547a1f0d6a39d0283ea38eb21" } }, { "amount": 100000000000, "target": { "key": "ffd08b99ec418ed3cfbb2bfe8fc77c9fb0369939ffeff05a911b9ea720b900f6" } }, { "amount": 100000000000, "target": { "key": "d90427c711e67fe6de9dcfc581522afe5520496d6b3dd4575f46d98edbcfd371" } }, { "amount": 100000000000, "target": { "key": "42ab123b46cb1adce1bf003610ca0a9888df396f579058a0459156ac161c6377" } }, { "amount": 100000000000, "target": { "key": "2e59f3b4923b7db5636e3f400c85d7e646b18504687174f88eb2f8803e1ec70c" } }, { "amount": 100000000000, "target": { "key": "bc618620fb7e13460fdc95e52e6a1b95c146fdabf96e488681042cbb1993cb47" } }, { "amount": 100000000000, "target": { "key": "09e59e4e42ebc74686580fd4b5f86bca36d6b6cb5f5a30bc8707c55f406c1df0" } }, { "amount": 100000000000, "target": { "key": "db8649509a04a9592ec7e3a0be69bc692afa6751961a2e69e78b49c0ececabb9" } }, { "amount": 100000000000, "target": { "key": "724b436fadda6ed212929d2d254e5e317bfa49a734cead7d683d7e9f4d7b694e" } }, { "amount": 100000000000, "target": { "key": "07e7bf2534ef3b64cbeccafcdde3ce2fb7070a6ccd7dfe678e2f9f412d1475a9" } }, { "amount": 100000000000, "target": { "key": "7ddd07b382da00fd4b93e14f7aefe93d673b1b7586b77c22269248cbd51fdd70" } }, { "amount": 100000000000, "target": { "key": "4f30894153e3eba19b6995713fb08ea24c992c088f3dc4d945fd673d4851af9c" } }, { "amount": 100000000000, "target": { "key": "045c6834f864fd37412c4523d0c2b63b4b306730992f93918ec59c5406cc1fa2" } }, { "amount": 100000000000, "target": { "key": "9df6642a5a04ff95e7b2b57bc48fe93db5a302b61fe96443edf0f4f956cc54a2" } }, { "amount": 100000000000, "target": { "key": "b9927e28193e1c992168dcf85c755a611a7a8319f7d6af7f62a9104fd1b1e09e" } }, { "amount": 100000000000, "target": { "key": "4b0f0342e7be3b1437a7c40c5fede57c6a23bce7b5981f174249b642e334e57f" } }, { "amount": 100000000000, "target": { "key": "a14638b99b5f73cc7b22602cb055fb148189c8cbdb8ee99afe77093b429fb8ef" } }, { "amount": 100000000000, "target": { "key": "579dbbe71fa03fc5d784a449a174595c03ba26fc6d95118a456d9c5b76bdf1e2" } }, { "amount": 100000000000, "target": { "key": "9f3bfbb48845b8843a9a4395f1495db0d4cc3947a2d9a5e34eab0f7c4612dc89" } }, { "amount": 100000000000, "target": { "key": "3b6988f576890d9eb576d38e0569a0a415004b102d2cdae51f123da68f6b0004" } }, { "amount": 100000000000, "target": { "key": "be175f7e95119c9de1a91ea0fe8d2d87865973596eb0132d59f83c3527d07f13" } }, { "amount": 200000000000, "target": { "key": "20a9223b30dd065280f53a05917b61476a17af2c99d1272f3519977efd68b394" } }, { "amount": 200000000000, "target": { "key": "7e69b9a52821902f0733fc4a3629e44fa962d7459d524f5f431f4d87e45a80ea" } }, { "amount": 200000000000, "target": { "key": "dfa62d5745ba9b2d12abe1fb5e982d881ab7341d157bac2c9794d330558f7bb0" } }, { "amount": 200000000000, "target": { "key": "48a2f0e712e838f4c8f809a6c0b7669dac7c5c09c601c94d4c7a2dd347d29f6e" } }, { "amount": 200000000000, "target": { "key": "acddb6bc00de6c27f70dffc34bd2b782e9052a541dcf113d5785c3fb0b0a2e78" } }, { "amount": 200000000000, "target": { "key": "872ec7e98f11a701af6fef13b1d1fa7f2c30a54a309b2dceca16387f184e802c" } }, { "amount": 200000000000, "target": { "key": "5832a70fda82229cec39a1cb99d498777819e3d6e8c62df654d327f4529d3a10" } }, { "amount": 200000000000, "target": { "key": "e7b42be864bccf123362a79bfb20c8a87230172bd3120ca725775bde09b4dd90" } }, { "amount": 200000000000, "target": { "key": "2597b55341df861103f8855d1fc1c2f27bb10e7a6f0c8898315a9b7a15546d1d" } }, { "amount": 200000000000, "target": { "key": "23b34c8771bdf3116149ddc33985e18f23f2dc9877b45facf8a98609647b9548" } }, { "amount": 200000000000, "target": { "key": "05cda5fae0e86660367e698c097d05f09e944260d8917b093d276b7f93af5b5a" } }, { "amount": 300000000000, "target": { "key": "d9e75c12261266640d206e1b4285b163dc8239fcc46f539ef028b58f9c9137af" } }, { "amount": 300000000000, "target": { "key": "4ca10b59d9711c8ad520f55302378dbcb4b8343b0029c72170bfaadfda4e958d" } }, { "amount": 300000000000, "target": { "key": "0b3be8cdf9207441c2a7e6a5327a70e8dc53ddc702107002cab33ac15a4a51ae" } }, { "amount": 300000000000, "target": { "key": "2223fa79f49ff21aeb9ad032c8306b3c958b7c0966445f1826795a7d4a55b0fe" } }, { "amount": 400000000000, "target": { "key": "da9c7ec5da1c355914a88c26d89f0d88b4bed2837c93dc8adda45fc1985599dc" } }, { "amount": 400000000000, "target": { "key": "9e1b2a50cf109c94c6d6817eabd3e1fe4957be4742486f1601eadaf9b3dac8e9" } }, { "amount": 400000000000, "target": { "key": "3b39ab7a355f95ef2364319c65c2801f124cfe35125c322089ddb43171018cb4" } }, { "amount": 400000000000, "target": { "key": "24dc0e97219868724c27a9d6ff89ba01b3f5268ea01696ac0cfc04db053e2e9b" } }, { "amount": 400000000000, "target": { "key": "2b97f5b8868f0eb33c7f6a649a0171ed0aa2daef95e97afb5a58be241824e415" } }, { "amount": 400000000000, "target": { "key": "8499e5e835a859a41141d4b6d26485c633650400082a941cc129637ca2c4991a" } }, { "amount": 400000000000, "target": { "key": "5428e31bcece97d4bfb23ca252f827b24503c69ab3f546e9fc123744034e9ddb" } }, { "amount": 400000000000, "target": { "key": "4cc9598b1e87fd4987d86918a4efb7cb7f4089bcd8b3ff4c9166ed5f0e962941" } }, { "amount": 500000000000, "target": { "key": "025cd7503142b3538c1fe4287c36f9fd1727a3b29f4752a958345f854f81beab" } }, { "amount": 800000000000, "target": { "key": "df554e2d7ee42e028cbe1462b63dc25e9714556d9f1501b35760654a6a552907" } }, { "amount": 800000000000, "target": { "key": "af2aa70dbc4915c8ec3e0f1314553628f8c1cb145e47f1bbe84835cd324ad114" } }, { "amount": 900000000000, "target": { "key": "88a93f991d8488714749a516f96d962ca7050b2a6dceeb91929f876031a3c400" } }, { "amount": 3000000000000, "target": { "key": "5d99cd2cfee7c6579933e31b2cdc6557751c63ea627d7051a90df40e5f7b5986" } } ], "extra": [ 1, 126, 1, 8, 149, 247, 234, 205, 165, 180, 8, 136, 98, 239, 34, 174, 101, 29, 171, 131, 21, 140, 171, 136, 119, 152, 42, 167, 50, 154, 177, 71, 240 ], "signatures": [ "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", "05f5008aa28ed1c8a6c4c57f1b2a39ddc8b37e4043db3aab712af64c0f68d80a99ef0175bbf4a2fd932194844c54d113efc67c51c5b49402007ceb39ff3d360e492f5eb5956beb02c0242a5312dba374e9ab332fcce9df9822c543b46aeadd00ec9aa73108f8803556fae7d6e74af188986678a59cd1420be6d2b0fbc7117006cc4a30691ea6017f4a468290d0f7931e3a309f681039dba6394ba0eed4dbfb02b139b05e7172ff25cdca044b573b7581c833ecdea2e41a401823e81cf26418070fca6d46b0d3f7d0c7b04ad9f2da627231a41c67c197d88921be6324d3561f020fec68fec09de6cfc4a8f0765d17d94f77192b87d57e86cd9601631e14d0e80f", "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"] }


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