Onion Monero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: 2df3ff6796027f8cd7168e97bf1f5e7e8b71af010067374d1a98c42c603037ca

Tx prefix hash: 0a9ddcabe12b1841744a7c81975162c7b0310492ef036f0b1e1d65bc7c98dc7c
Tx public key: b9b37f60bfb188b2d4dc81a8de6ed8124a76337405f1320ce2a18a8e9fe9d0c4
Timestamp: 1715733550 Timestamp [UTC]: 2024-05-15 00:39:10 Age [y:d:h:m:s]: 00:196:14:37:18
Block: 3149154 Fee (per_kB): 0.000137980000 (0.000041001602) Tx size: 3.3652 kB
Tx version: 2 No of confirmations: 141486 RingCT/type: yes/6
Extra: 01b9b37f60bfb188b2d4dc81a8de6ed8124a76337405f1320ce2a18a8e9fe9d0c4

16 output(s) for total of ? xmr

stealth address amount amount idx tag
00: 40bd0972186f1fa1a3dbb26e5e857b52ad1a21d189e76d27e74f3d860f920c37 ? 101399321 of 120316007 <3a>
01: 9202d5b3db1241cbd6d79afbb0188c27254f9503a24ab7538f042eddcd5969c1 ? 101399322 of 120316007 <e7>
02: edcd65b1a0d1d118a72de69c1abc02f65db90757e5c11cae11dbee9d8e1286f3 ? 101399323 of 120316007 <aa>
03: bbe442e351c58ff799a170d00a8fd1e088c3b69cca8513f013bffa8c2eca8e22 ? 101399324 of 120316007 <0f>
04: 6cc1c976bd8d579f7e4a50c6f58fea42cf66ba548570550fd156176730091e35 ? 101399325 of 120316007 <7e>
05: 7f49cef827a58cccedfb8e8aed80348895fb5303d6416fd7448df70c4158adaf ? 101399326 of 120316007 <b6>
06: e5f46354d4176f01c90b48808bf4f187392f7259075e33e71ab77def1a5b2f50 ? 101399327 of 120316007 <1d>
07: 5de7b3c00d5e49887cb930148da9799ab348d7bed12d0b29ee8299bc3acbe01d ? 101399328 of 120316007 <55>
08: 7c0485ecc6f9b89aede24ae182536e306ebffa229f5405cf4c397a7fb9c7cdc6 ? 101399329 of 120316007 <78>
09: d3d42b712be0a8e2e3430304e12003ba2be326123116c94b8f4ff3f31adfb966 ? 101399330 of 120316007 <3e>
10: cf108c3405f6aeaf8bb925f231ed6179b054f670ec6ccd9175faeb66c6cc4413 ? 101399331 of 120316007 <65>
11: 2a5d4b86b51cb1d3cd041f15c21d993c764e43705cff6b8cca2144398c9960e1 ? 101399332 of 120316007 <09>
12: ec14332967b25efa816fdb8bdfe3b958dd68582afa401163a6b1d3ebd455f54f ? 101399333 of 120316007 <b7>
13: 71b6761f66fe961138d7bc73686ee71371ecd8de7042d5cc0d64f28a37aaa96c ? 101399334 of 120316007 <99>
14: 467183cb42747f4667b2f389e5d4c61efaac2fb3adfa3251af95e83dfd7d2212 ? 101399335 of 120316007 <d0>
15: e36d0997116f2c8e430e8cc08bbe958e3e3d9f9b3808e8932574b647c6742fa1 ? 101399336 of 120316007 <07>

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 2023-07-02 18:06:42 till 2024-05-15 01:15:44; resolution: 1.87 days)

  • |_*______________________________________________________________________________________________________________*______________________________________________________*_*|
  • |____________________________________________________________________________________________________________________________________________________________*__________***|

2 input(s) for total of ? xmr

key image 00: 6f4b411f27d9a979923d131001d1bcaae06b82555ae3db6b4fa7bdd7b661fb1e amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: d583c0fe8bd2da97b9905dd95fd2dee587778538bc8748b5c987a55f299fcc81 02921087 16 2/2 2023-07-02 19:06:42 01:148:20:09:46
- 01: 3e62ef5246cc69077b31611a972638e2a1bf280fe45c573cd43e5e75f12a8629 03071194 0 0/630 2024-01-27 15:55:34 00:304:23:20:54
- 02: 5307dc8a9ba3308658cb810c75d5bcefd01bd1adbe7dfc048c903f8ccf90a2ff 03146271 16 1/2 2024-05-11 01:55:42 00:200:13:20:46
- 03: 70abefc8b79ff4e299f4c88d762646c21490b248d605abfae0f2ec3a70ef5271 03148138 16 1/16 2024-05-13 14:36:46 00:198:00:39:42
- 04: 61a8264a88518c7003a69ec7170edd86d469f19255dbb612332d5e58bc3ff4a0 03148483 16 1/16 2024-05-14 02:36:08 00:197:12:40:20
- 05: 7c222d9764c3722dfc839a4c1ebe3e6e82a47b772aef9427532dabb67664d74b 03148634 16 1/12 2024-05-14 08:05:51 00:197:07:10:37
- 06: 973f5c15f798a445947b9f78bb9ffcd40f1a66f3e942c6102b2ace74e8bc4665 03148684 16 1/16 2024-05-14 09:34:32 00:197:05:41:56
- 07: 5e14d4a719044b7ff859116358eee5de80ad1778a8aee1225680d3534c4d02a2 03148698 16 1/16 2024-05-14 10:01:01 00:197:05:15:27
- 08: 407c6de8137522ffebde56924397722c3af6900a4bb4d28e57063dbe7df64d17 03148758 16 2/16 2024-05-14 11:58:08 00:197:03:18:20
- 09: 51b28ffa2f5b2a10400f23c52ff289c07ab8c209cb5ca07020cd14e5c8674f25 03148973 16 1/2 2024-05-14 18:52:03 00:196:20:24:25
- 10: 82f7dd19524c56777b3d617707b6edd60f44d28919cca813c8b60968febafa2a 03149063 16 1/15 2024-05-14 21:37:38 00:196:17:38:50
- 11: 50674eb15502c30b82d9a79e9abd337723f427009d73ad873439f158b47e7c20 03149122 16 1/9 2024-05-14 23:33:54 00:196:15:42:34
- 12: a218ae64004d560708dfc35105263f79b580421f4e89ca15dab2ecc5867bcc99 03149124 16 2/16 2024-05-14 23:35:17 00:196:15:41:11
- 13: 121275ec006a60c89f5b0ed3785ae0e56abeb85fbe48bc8d6769dd6989c7d471 03149134 16 2/2 2024-05-14 23:53:03 00:196:15:23:25
- 14: 6f844c6de0e076df9050bae39e88fc8c80d972c47a3bb7a525db447a55c88788 03149139 16 2/8 2024-05-15 00:11:41 00:196:15:04:47
- 15: 316cfd5951c4b0a70e7d7a66faa6f2a0cbe8c3a917784a09b38336d29ad99ab2 03149141 16 2/16 2024-05-15 00:15:00 00:196:15:01:28
key image 01: 66b93913a76d967a16f46aba06a8dc03a71ce98846470009e201a6892a2d0cce amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: eca871043a2c4826824f028c2c337f8cec1fa2709824e4a1b779bd58f0bf8ac5 03131206 16 1/2 2024-04-20 04:22:39 00:221:10:53:49
- 01: 6ed57d157d3db50e72ac3199f5c10565c54da1fc2fca626037eeee4c7af9f7c9 03145503 16 2/16 2024-05-10 00:14:08 00:201:15:02:20
- 02: b599ca3a3eefe65ae09634cfbf033643e5affce9d6c5a3839530c8bfc2ef6c97 03146613 16 2/2 2024-05-11 13:08:41 00:200:02:07:47
- 03: eb1e4aacffeea83378bce7222dd48eaf1a4ff42f02f621ee57ffeef2833f91fd 03148327 16 2/2 2024-05-13 21:10:24 00:197:18:06:04
- 04: c7fa43eb61aeb01017f6bcde7a2b099308c5d0d0a2ea7b7555faad9ceb37f3df 03148361 16 1/2 2024-05-13 22:21:11 00:197:16:55:17
- 05: bcc582cc66f78ffbdc740403ff27f67b7d07f88ae9cb15da264e04ab256d247b 03148416 16 1/2 2024-05-14 00:12:50 00:197:15:03:38
- 06: a7f18cee6bd4b05d98feecc1128b970214595cf43d3be9c6eb9458c988f887c0 03148740 16 1/9 2024-05-14 11:14:30 00:197:04:01:58
- 07: 657b28df12d94dddd2f142e0dbd09d0b2eb1948c3b643f0abdc5a42b5721b643 03148857 16 1/16 2024-05-14 15:13:16 00:197:00:03:12
- 08: bbab108a760d0e512676949d62b161a90f23c25b84bb415a431e6824b6a0f4d2 03149054 16 1/9 2024-05-14 21:16:49 00:196:17:59:39
- 09: e84bc6f5fd6fe90fcb91763990e2cd6c50efcb838e1b20db8962d8dae7a61272 03149061 16 1/2 2024-05-14 21:29:21 00:196:17:47:07
- 10: 53b917bbe19eb923bdf5a25f4ae9790cb110414e40de3bed4756f737cf442331 03149063 16 1/11 2024-05-14 21:37:38 00:196:17:38:50
- 11: 9d5a19d9a1c656be11a456b8264eb00217dc7bf68463d07d12bfb78a21eb4ff5 03149118 16 1/15 2024-05-14 23:19:09 00:196:15:57:19
- 12: 5d2edbe539b6d40046ead4fc414072e431b90e7ad9fd7bb1a546f8b06fb647d4 03149131 16 1/9 2024-05-14 23:47:09 00:196:15:29:19
- 13: f49c622992232da27d38d075c4864a8c40bfe0ef759242f9a8fd59b8366a2060 03149137 16 2/2 2024-05-15 00:05:58 00:196:15:10:30
- 14: 51e74c61019b6cec66a254335c63a1ffa031c88c9d75481fe73e5db7c78c2af2 03149143 16 2/2 2024-05-15 00:15:44 00:196:15:00:44
- 15: eb4f08383ec0d921de2dbd196c37ddc5be01988f9031a2f84acaa1573931580b 03149143 16 2/2 2024-05-15 00:15:44 00:196:15:00:44
{ "version": 2, "unlock_time": 0, "vin": [ { "key": { "amount": 0, "key_offsets": [ 76240191, 12187711, 12429610, 285590, 88558, 36538, 13871, 3817, 16214, 57890, 20185, 12537, 205, 1737, 1766, 403 ], "k_image": "6f4b411f27d9a979923d131001d1bcaae06b82555ae3db6b4fa7bdd7b661fb1e" } }, { "key": { "amount": 0, "key_offsets": [ 99192188, 1581223, 122274, 301936, 7960, 12413, 78557, 33642, 47648, 1619, 606, 11289, 2777, 1525, 1329, 5 ], "k_image": "66b93913a76d967a16f46aba06a8dc03a71ce98846470009e201a6892a2d0cce" } } ], "vout": [ { "amount": 0, "target": { "tagged_key": { "key": "40bd0972186f1fa1a3dbb26e5e857b52ad1a21d189e76d27e74f3d860f920c37", "view_tag": "3a" } } }, { "amount": 0, "target": { "tagged_key": { "key": "9202d5b3db1241cbd6d79afbb0188c27254f9503a24ab7538f042eddcd5969c1", "view_tag": "e7" } } }, { "amount": 0, "target": { "tagged_key": { "key": "edcd65b1a0d1d118a72de69c1abc02f65db90757e5c11cae11dbee9d8e1286f3", "view_tag": "aa" } } }, { "amount": 0, "target": { "tagged_key": { "key": "bbe442e351c58ff799a170d00a8fd1e088c3b69cca8513f013bffa8c2eca8e22", "view_tag": "0f" } } }, { "amount": 0, "target": { "tagged_key": { "key": "6cc1c976bd8d579f7e4a50c6f58fea42cf66ba548570550fd156176730091e35", "view_tag": "7e" } } }, { "amount": 0, "target": { "tagged_key": { "key": "7f49cef827a58cccedfb8e8aed80348895fb5303d6416fd7448df70c4158adaf", "view_tag": "b6" } } }, { "amount": 0, "target": { "tagged_key": { "key": "e5f46354d4176f01c90b48808bf4f187392f7259075e33e71ab77def1a5b2f50", "view_tag": "1d" } } }, { "amount": 0, "target": { "tagged_key": { "key": "5de7b3c00d5e49887cb930148da9799ab348d7bed12d0b29ee8299bc3acbe01d", "view_tag": "55" } } }, { "amount": 0, "target": { "tagged_key": { "key": "7c0485ecc6f9b89aede24ae182536e306ebffa229f5405cf4c397a7fb9c7cdc6", "view_tag": "78" } } }, { "amount": 0, "target": { "tagged_key": { "key": "d3d42b712be0a8e2e3430304e12003ba2be326123116c94b8f4ff3f31adfb966", "view_tag": "3e" } } }, { "amount": 0, "target": { "tagged_key": { "key": "cf108c3405f6aeaf8bb925f231ed6179b054f670ec6ccd9175faeb66c6cc4413", "view_tag": "65" } } }, { "amount": 0, "target": { "tagged_key": { "key": "2a5d4b86b51cb1d3cd041f15c21d993c764e43705cff6b8cca2144398c9960e1", "view_tag": "09" } } }, { "amount": 0, "target": { "tagged_key": { "key": "ec14332967b25efa816fdb8bdfe3b958dd68582afa401163a6b1d3ebd455f54f", "view_tag": "b7" } } }, { "amount": 0, "target": { "tagged_key": { "key": "71b6761f66fe961138d7bc73686ee71371ecd8de7042d5cc0d64f28a37aaa96c", "view_tag": "99" } } }, { "amount": 0, "target": { "tagged_key": { "key": "467183cb42747f4667b2f389e5d4c61efaac2fb3adfa3251af95e83dfd7d2212", "view_tag": "d0" } } }, { "amount": 0, "target": { "tagged_key": { "key": "e36d0997116f2c8e430e8cc08bbe958e3e3d9f9b3808e8932574b647c6742fa1", "view_tag": "07" } } } ], "extra": [ 1, 185, 179, 127, 96, 191, 177, 136, 178, 212, 220, 129, 168, 222, 110, 216, 18, 74, 118, 51, 116, 5, 241, 50, 12, 226, 161, 138, 142, 159, 233, 208, 196 ], "rct_signatures": { "type": 6, "txnFee": 137980000, "ecdhInfo": [ { "amount": "4afcdc311d379ddc" }, { "amount": "be52dd8b3132e99d" }, { "amount": "df62788115c5de6d" }, { "amount": "c96189265ab9940e" }, { "amount": "a6ee3450ba02e6c6" }, { "amount": "19ae7dc5b4de0df6" }, { "amount": "2da72eb6e62eab5f" }, { "amount": "a719d5b018f6ed1a" }, { "amount": "5a0e0e2fed98df98" }, { "amount": "f5fc3debc69ad783" }, { "amount": "e0409bd3aa631ecc" }, { "amount": "ef42d60cc0c9f9e2" }, { "amount": "9ea9d5793f465ec5" }, { "amount": "b7fc1042d7883a23" }, { "amount": "86bae8412a6320de" }, { "amount": "1043fa8ae867ede2" }], "outPk": [ "d32f21d2aa2d710fa1d5105cb94945e353e7300dc3555b262b0c7411bb45f962", "ab6e510a9219e6a9c0f68205ab7cca875a3e4f6b6397ecc4a2ac99b30c762054", "8ca3af0c6beebad1e6573a9ae7ce0cb09124e32b3ae800c746fccab5dabfb25e", "69c2b4459b93232d84803b12ad4a573a49fde19cfd1fa71dd1b4f84feb53b8f9", "48c679f9c1236adeba70221a5653b3c86ea251ff05e9bec4c2bdf093a14bdc4e", "a4453cc3314ef474652bdb6bc5bb2682ce51dfba67f73d0f73dd7a536eb45fa1", "151ee0e925a25b24af28cd7e7a091bafe587b003b572632e5bae20f59de67ad2", "55123389834d9cd88a85929777778e2841ff93b90b36d1762a3c35233b455f18", "363318f44716b92ec5468cc10687bf6025a752b59d4355e1683c0c26b9de3c00", "4efc7132d753b43c47419afe7e1f2222ded77d501d0db789da1cfbe3552fec42", "2715d157f358abcf81e56b7c47eb24c9943a6a8ac5c1a815013ec03bc270cdf8", "89b010b9f281bb37071045f138520b57a96a25fe89e5316e2139097c416346e5", "f1538d94ae6e3117a08047eac8b1d44971efcc3c31a615a86b469141197057fa", "fe4d4230e77e675ee7640b4bfc04b944b06ff431cccdfadb2e6ab0b9b5dd21f0", "f19336aeb62e89054338666e524948fd559438df30fe187860ea5d7dca2c7fb5", "9070c0cf1900319955ea15b48d68ae623c50d40e38c83dadf899626864c2ee06"] }, "rctsig_prunable": { "nbp": 1, "bpp": [ { "A": "3e6216d74efd205418336574a6d326515e60b055c98853f6ffec66c89a95eea0", "A1": "b736544a8865f15e2d0dedcfe7f354972d6b5efe5941435be4e76ab5a70e3bbb", "B": "08265d32ad2dc813f97bbd07ba9e0523e9733e2a7574aab76c8f7e882bdcdf6b", "r1": "96624c8175d494961ded0b68f871747474f4d70e4a30e8eca95bffa5bc51500f", "s1": "403613f1de2872fa3c4878d682c7cd462fec99f8b06dbb534f0f436930da230d", "d1": "d7bc7a8055d2fafa1f8e47e4f385fc7d386aacbcee4c36c81d4e6a18869e1201", "L": [ "65685f885ae1bdba845d4553e06f7724e86369f4272ae0f8a2c356c4e67413fc", "61d79d60a2486f62d49e981b457c8b1d8aadaa204c2c0abe516caa5a80db2acc", "7f19365e3c7be216d9807ca2c273bf0ff029ad3e9e458a79c91fa69116df708f", "98fff6ce964423c175823f5c733b7e25b3a1b48961aa4365968816d1048277bd", "33eab11c45e7b95a7e5ab776f0c09d6f1a506615e5d20fca4d741819b5a22088", "8906c4325c90104672ec71c54182727e97d9823fa856c54d2c5183ad3c400d2a", "889c6a9752b79f5e05bdf2a44054db770bb720790ef323b3bb51c0e7d791eba3", "226b516abde094f59175ebd0b0c52d985b72656fc8681565d68ff5750cc9758a", "023ec384c33e621c4887fc82f0aa1983a007cd4e19dad07fa97d54c84a31eb6b", "8201ab8b9d59af7ed9996bd8509c32592ae99a7c2ace186c38f7d5b25310a5aa" ], "R": [ "5d42ad8b9f7dda9b18d552277f07065c467158d1d46b0f91f1eb6232f93599a9", "de9a3249e37d6c5d2c245bf00192509e5594ff2f93349457e358176012fcd2c5", "5651c4ee42887cd94a99f3eb4790d0254fd905ee6f3c926ca8d856e4d5dbb236", "72ed6b0026f0125977284f8f5807519a1f3128131e99d37cce913ccf0f3a2c4a", "4982e656f05cece6f2f02b2e4da05aea025c7e3cec5aa77e66dd338563f06880", "4407f26ff941cd993cdb8d65c25e0030c67c27600f583d84f6508de953fffc6c", "0a58159d7bd34e2d7b6a9208277bca907bb0c6655df21627eb3bbab0c44c2f19", "8ea59eb75a777ce40e7027aa73d4fadeea7d6182ef140acaf605bc803d86a03f", "c4a53c3a2245e5d879050a9373035cbeb1a765a55852e79bcfe367fdf1694802", "2a03a0b31dae2a3acca2c852f497bf02152d202498396de0c703ca86ed47bc9f" ] } ], "CLSAGs": [ { "s": [ "27fc8a138d1bb5b27666eb57be55e973aca9b3dc3e99d1e064726e2a004f6d00", "f8f0e7e0ee0801fd78ca8a41c599f4d181601bd00fd71f7eec149b21cf27ce0f", "0be73b5bce77e4a149cf953fd27e5634ad583c87fa6ed521bd1941e946045b04", "edbc54ef554990b8102cc140677eb3878b6d8467dcf527ef2b93315c30d51f02", "3e4ad7a16b612fffd930b50a1c2aebb34198d340e1fef983f5624f7e5fdbaf0d", "e4cde73d4dc98ac7435e0d1dbc5d13e4a248493cc10d7a413c61f252933bc30b", "e3b0cde2b415d3b00123b8d5e4d81b6dc7ea96ad4bc93ad0af432cd3087c640b", "4746308722162d2de7741f59a564dd951058f032f3c023473ad7091156c67f0a", "783880a597a52ce230d273e0c6a55f497cd17edfbaf4f9cbd47b0529a596150a", "4d3ce6d5574b1b125e8ff5de52753648a93c25c8cc365d09e7c5808bcf989006", "0705db9341806ea4ceabda2b3137fb61c1b962ecbb83f2f1f75de697a54ca802", "96df7c1ea075e1da9507eaf75069f0b9bc0062dc3e5e09b3ff06d33eec7e5a01", "12b877e1508fc899d84f9bb39d7f45ebb67ccfc16a3c08795b5732507eef8700", "395f4f50ce265e98704677992cb8507387d06ba07a7df65f6a008b14b70c8305", "e07c674b4c6a6e85bbd77580dd573e68dc6e2ec54062a22bd4fe46971f248e0d", "dd929905f39c4fb070d90a4f684e7c0f89493cca2412aa7ca2075a82e0cb530d"], "c1": "7e926491c490784927515fe855906713ab96ef2e2f2178d045632c470dde7906", "D": "7234080fcc3db9585fa668aec088def382ce542fc05f294102e797815e069147" }, { "s": [ "11fc1754ca4906522618366cf9b7c230cb778b472817c2d315cf470a77fa490e", "677caff8b525c249fe5b521a4849ae20934626438161eae37e12d597e18e6104", "68ce5ec30cb4d2aa7f360156a59cde58d02ef93e87070407201fba07f1cb0809", "0e7f991db017dfdc6795f39accec2d007bcb158370c7f9e1a455fdafa5fd590a", "36f6841be1de73493e4b5f15cd8ae9a06dee8a01673dad905a719a07cb2f9d05", "dfcd0ec10bafca5c86cd35b43875211ac03698499a12a478a55357f72d3b920d", "82f569906837250ab72d06e1640fe82da98c1395a9e124100747730d4a97be01", "b69334afe71be45b9da2256e4070118e94f934b94030406084a142f9cc9bc60f", "82af3a26bc9a4b71e06319022fe83006dbedb56bb2c202d0635c90d6e53df90a", "edd37f3e9d3ed7a5948a195217fcc6a79471157e59cba540384037980f60550b", "164b2092d6d6826df2c6da6f8ddda028cc8da53d3eb4fc03de7f30a873bbdc05", "b980187cecb3ea570434bd2647ad64c71ad6571058dc18737b0758f4bdb31906", "9bffb345adb9e0b15badb2cbfde4f752f674bb125cf649677717d392ddccb30a", "2303a7ab9c7e88ba7471a3ee62e7eda55a11202acccc2b5019b07f57082e8107", "6e95ce278712c01bb4cd804981a57b015ec77731f18fa1df73cc43cad3d0ec0e", "b1f24b43d6b211828b9f2b63909a76fc8d3648e320777f0fa3168a087114e901"], "c1": "f1c2e3e2738899d55673ef66eb9a4f743bb511279332c42e10af66bb3a5d6104", "D": "a618844c84c61946733a735efe1336e0229b9dc82916567a4f425365bb764a91" }], "pseudoOuts": [ "5135bfe50145d3d6808769782acefcf32185bd9f2e4412438a32a50f1c2b67fc", "cb260143074b0716ede0b096234beb6a7de19f6a9f940a80f84f9707609e76b2"] } }


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