Onion Monero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: bc9247a9dceb40a8df14ea9a2007f9ccf3621fad0efe6f99caf06b0b760ca355

Tx prefix hash: 62f69faa39be4f31a024bde57737fe122b6af1ff40e165fea48703d71524e903
Tx public key: e74d398977ec7d3d2ee8b931da61c1ba5c2cf4edddcf74e802c78f4e900f757c
Timestamp: 1718264527 Timestamp [UTC]: 2024-06-13 07:42:07 Age [y:d:h:m:s]: 00:219:21:33:00
Block: 3170208 Fee (per_kB): 0.000137980000 (0.000040942196) Tx size: 3.3701 kB
Tx version: 2 No of confirmations: 158287 RingCT/type: yes/6
Extra: 01e74d398977ec7d3d2ee8b931da61c1ba5c2cf4edddcf74e802c78f4e900f757c

16 output(s) for total of ? xmr

stealth address amount amount idx tag
00: 7b2157d69c72833f4e2e8018bf347d27e492efb90edbeb6aaff204799aa2b1d7 ? 106408589 of 123909170 <6f>
01: 816e3ecb46ebdd6c97f8c1eb04a45db037437a30e8b113644a83f75a2e0a01f4 ? 106408590 of 123909170 <82>
02: d88facb9eb0e5b0e31c86b273eaac6e5e61a7d266e6292aa2ea03292b91453f6 ? 106408591 of 123909170 <fd>
03: 581a6ad2185f89526796973e7390e1dbda6dcd996fbb24479c5e4804e6fe84d1 ? 106408592 of 123909170 <3d>
04: 3222b9c9bb0ba10e3320b28c118d6604e46cf60a6b0c64b65447c97ca2b01045 ? 106408593 of 123909170 <2d>
05: c72af804c103bdc09d06c69d68a3d78529939f94abda085d466587fbef35f7dd ? 106408594 of 123909170 <fa>
06: 4f6a1af92372880d1c9df7f0b950e924f95e6be1ecb0c4f01c10f3efea81b9fa ? 106408595 of 123909170 <e0>
07: a3bbde36515c51d162c9dc89dc0a209adf3de2d34459c9e2dcf44076c6167eb6 ? 106408596 of 123909170 <af>
08: 6ded079d53b4aa3b266e14c7056dcb535327629ca44536800f940ca3c2f069eb ? 106408597 of 123909170 <b8>
09: 29652ca90997006b9823572b216ef3d4ee5fb43cf1f68723ab143decf5efac48 ? 106408598 of 123909170 <29>
10: 870176e35a594c11148712d73d0834e0b7eb4f8a735d2a8c4958e9fd590f0c64 ? 106408599 of 123909170 <0b>
11: dea667bc3d1457830715ebbbebe9d4d059f6c0cb062f3baed166d4882bb17242 ? 106408600 of 123909170 <ce>
12: bde5a7d80acf52f442a1b0a323d5ab2fef6d93812da0e4d0bfbaaec5ab90f225 ? 106408601 of 123909170 <66>
13: 9b6677ba7f8e41fe4ac2973de0d3245d6fd5dc87c874d33395464d6410f93966 ? 106408602 of 123909170 <7f>
14: ef1e76091eaba5db794f017f68b9be4a057ae142fcf9e475819ba03c2f9becd3 ? 106408603 of 123909170 <aa>
15: cf966e4b131c45da9c13afbb284b8c07f593fc33274acd6913c347801a10827d ? 106408604 of 123909170 <36>

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 2021-02-17 23:16:55 till 2024-06-13 08:24:53; resolution: 7.13 days)

  • |______________________________________________________________________________________________________________________________________________*______________________*_*_*|
  • |_*_______________________________________________________________________________________________________________________________________________________________________*|

2 input(s) for total of ? xmr

key image 00: 2a1abcaa7702fcc9c8cfd3d55ad7d335cf7ba5e10df2a701072019de941f6c0d amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: dfbe8854cb714f1ae6c1d663e1cc7ac330c951a065bcdfa665b1c3ec02a041c7 03026397 16 2/2 2023-11-26 08:26:56 01:054:20:48:11
- 01: 95241882732fbb91b34bc392c3c122b99bb25a3ad880b78bd98ff71a883fd233 03147135 16 1/16 2024-05-12 06:13:54 00:251:23:01:13
- 02: 2dac296fea30670d7f1e77050f51a1a185feb1a300f285a839ca07aad04e1efe 03148205 16 3/2 2024-05-13 16:52:27 00:250:12:22:40
- 03: ce34173da235aaa7cd04328bc908aa47b311f1d6a52e3f030c179619c1d2df20 03158905 16 6/3 2024-05-28 12:14:46 00:235:17:00:21
- 04: 3183af997a3237f67a9011d7a91160ee005d855f30ec22c0c58548d15a5e8b9b 03167702 16 2/12 2024-06-09 19:59:49 00:223:09:15:18
- 05: 4fa1233135aca45b0a7c33373bfec770285f5e80000fcc5aec248e631b12aef3 03168296 16 2/9 2024-06-10 14:30:19 00:222:14:44:48
- 06: 3841f7242386b2450a9e059a9a9ecd818e63fe6602d6d195e4f0a8f27be18453 03169113 16 1/13 2024-06-11 18:20:34 00:221:10:54:33
- 07: 6930a839b17d71d2b5946a81aede986e0c31f2c168dcbd6a61f77c753c0c86e6 03169346 16 2/4 2024-06-12 02:57:02 00:221:02:18:05
- 08: f43f3bd03456a205dac6fe50d0ee2d117cc670d4f6145277cabb4c9255579415 03169737 16 1/16 2024-06-12 15:16:24 00:220:13:58:43
- 09: 817a0b6eebd07cfdbce92d40f31c3672fbf9c7d1982e9fdc29f86b83054f7c6a 03170074 16 1/16 2024-06-13 03:21:20 00:220:01:53:47
- 10: 1f5b3d82c58f7423a81f503f27ab2cb65ecb5b04977e05237c1a9a972afe782f 03170096 16 2/15 2024-06-13 04:05:53 00:220:01:09:14
- 11: 08dece145178d890fe9b878ba5db297901da4a84310ec009e02997c047a33ab3 03170123 16 2/15 2024-06-13 04:58:15 00:220:00:16:52
- 12: 762f4a584f0f22c095722efbdefc322788dedf43f5dd668bfa088e75696aadbb 03170162 16 1/16 2024-06-13 06:20:26 00:219:22:54:41
- 13: ba34981f4d71e66be98b8437a66b6a1387af94491ddc184e2b1e3ed871cd9763 03170176 16 1/2 2024-06-13 06:39:52 00:219:22:35:15
- 14: cd1424ce01d9d87ee8d871c9ce8ce10fbf0e6ee38aa313965f2a532470362f06 03170190 16 2/12 2024-06-13 07:08:36 00:219:22:06:31
- 15: cff94fe64a13a7705513870cbec3d15b60708b0be9ba141c90ceb341e6ae837a 03170198 16 2/7 2024-06-13 07:24:53 00:219:21:50:14
key image 01: 00cc15ba0fb4711a5ab079c2501acc9db18cf8e2c7d24bcbc7cb67c227aaf094 amount: ?
ring members blk ring size in/out timestamp age [y:d:h:m:s]
- 00: a00adb3e9e687abbc45a74c480ddf6589b77b22c00ade049fc85aaf12f873101 02299138 11 1/2 2021-02-18 00:16:55 03:336:04:58:12
- 01: 4c51d63258af9dc9ed6ce77760eb80177e55d2aabdd9dd64c136edb452b7b281 03166277 16 2/12 2024-06-07 20:50:24 00:225:08:24:43
- 02: 4f51d2c08ad3bd550f4123e12d03645e1fbf7b7f908e41edb9b306c620cbbf75 03168284 16 1/15 2024-06-10 14:04:30 00:222:15:10:37
- 03: 848dcb8e6f84f86a7818afebed2feaf6153bcfb29b0d7403a9d373702eab020b 03168561 16 1/13 2024-06-10 23:57:54 00:222:05:17:13
- 04: b1f8f424bb5e39ad1154b516a994455dd11d6f36be0c6836f6289408388dd103 03169592 16 11/11 2024-06-12 11:18:30 00:220:17:56:37
- 05: 8e36f6e1ef1a8320a3e266569fed346a56586c9f25162ee84a7e47ead93c4a70 03169813 16 1/2 2024-06-12 17:20:16 00:220:11:54:51
- 06: 797c133ca426d1a1b58f5d0ec44d68566a29a07ccb2c519f51298f358b46d0a5 03169849 16 1/2 2024-06-12 18:52:51 00:220:10:22:16
- 07: e46544ecd0ca1d79df0c9cc7eb53b58e36d7edbad0614ef064c88e6f9843d022 03169963 16 2/13 2024-06-12 23:07:36 00:220:06:07:31
- 08: 09f695a108e2d946ba161fdd8cb35ece076e1e1b92533c3ae6f9824224144a2d 03170029 16 2/14 2024-06-13 01:34:24 00:220:03:40:43
- 09: 92c715d90cd3b2d885a5a5833c16e62af97ca5edcda3a5b75cdb4d5afdb46317 03170029 16 2/5 2024-06-13 01:34:24 00:220:03:40:43
- 10: 0701ebf178f8d27e3d58f63eea84f6eacba82e629c6a74ddf28d2068f885c367 03170092 16 1/2 2024-06-13 03:58:37 00:220:01:16:30
- 11: 1b4cb8133a885631c07cc0c5dd932479b859f94e6631e6b28d057a000c18ad05 03170155 16 1/2 2024-06-13 05:58:20 00:219:23:16:47
- 12: 887b9f3a82d29cc5d1ae6bb35b6effc72d6730d6be9b74b42f5071194418751f 03170178 16 2/16 2024-06-13 06:40:56 00:219:22:34:11
- 13: 68e6d79d44daf878a93d0bbd324b47df6e197286a9bb43089cae225e77a0c41d 03170182 16 1/12 2024-06-13 06:48:12 00:219:22:26:55
- 14: b54919ef470e3043e32bff2d322b4fd18f767d7f57e1375673ba861818ba6ea8 03170187 16 2/5 2024-06-13 06:56:55 00:219:22:18:12
- 15: 364acb6e1b446771d225a45a77b5c579ebfb175d6548a64d75461713caef54d3 03170187 16 2/5 2024-06-13 06:56:55 00:219:22:18:12
{ "version": 2, "unlock_time": 0, "vin": [ { "key": { "amount": 0, "key_offsets": [ 84371043, 16599565, 190983, 2492913, 2139843, 160140, 210061, 62155, 74438, 77070, 4947, 6191, 9392, 2692, 2864, 2137 ], "k_image": "2a1abcaa7702fcc9c8cfd3d55ad7d335cf7ba5e10df2a701072019de941f6c0d" } }, { "key": { "amount": 0, "key_offsets": [ 27430817, 77972394, 548296, 85104, 238664, 39612, 7960, 26057, 17248, 201, 16121, 14059, 5038, 785, 585, 54 ], "k_image": "00cc15ba0fb4711a5ab079c2501acc9db18cf8e2c7d24bcbc7cb67c227aaf094" } } ], "vout": [ { "amount": 0, "target": { "tagged_key": { "key": "7b2157d69c72833f4e2e8018bf347d27e492efb90edbeb6aaff204799aa2b1d7", "view_tag": "6f" } } }, { "amount": 0, "target": { "tagged_key": { "key": "816e3ecb46ebdd6c97f8c1eb04a45db037437a30e8b113644a83f75a2e0a01f4", "view_tag": "82" } } }, { "amount": 0, "target": { "tagged_key": { "key": "d88facb9eb0e5b0e31c86b273eaac6e5e61a7d266e6292aa2ea03292b91453f6", "view_tag": "fd" } } }, { "amount": 0, "target": { "tagged_key": { "key": "581a6ad2185f89526796973e7390e1dbda6dcd996fbb24479c5e4804e6fe84d1", "view_tag": "3d" } } }, { "amount": 0, "target": { "tagged_key": { "key": "3222b9c9bb0ba10e3320b28c118d6604e46cf60a6b0c64b65447c97ca2b01045", "view_tag": "2d" } } }, { "amount": 0, "target": { "tagged_key": { "key": "c72af804c103bdc09d06c69d68a3d78529939f94abda085d466587fbef35f7dd", "view_tag": "fa" } } }, { "amount": 0, "target": { "tagged_key": { "key": "4f6a1af92372880d1c9df7f0b950e924f95e6be1ecb0c4f01c10f3efea81b9fa", "view_tag": "e0" } } }, { "amount": 0, "target": { "tagged_key": { "key": "a3bbde36515c51d162c9dc89dc0a209adf3de2d34459c9e2dcf44076c6167eb6", "view_tag": "af" } } }, { "amount": 0, "target": { "tagged_key": { "key": "6ded079d53b4aa3b266e14c7056dcb535327629ca44536800f940ca3c2f069eb", "view_tag": "b8" } } }, { "amount": 0, "target": { "tagged_key": { "key": "29652ca90997006b9823572b216ef3d4ee5fb43cf1f68723ab143decf5efac48", "view_tag": "29" } } }, { "amount": 0, "target": { "tagged_key": { "key": "870176e35a594c11148712d73d0834e0b7eb4f8a735d2a8c4958e9fd590f0c64", "view_tag": "0b" } } }, { "amount": 0, "target": { "tagged_key": { "key": "dea667bc3d1457830715ebbbebe9d4d059f6c0cb062f3baed166d4882bb17242", "view_tag": "ce" } } }, { "amount": 0, "target": { "tagged_key": { "key": "bde5a7d80acf52f442a1b0a323d5ab2fef6d93812da0e4d0bfbaaec5ab90f225", "view_tag": "66" } } }, { "amount": 0, "target": { "tagged_key": { "key": "9b6677ba7f8e41fe4ac2973de0d3245d6fd5dc87c874d33395464d6410f93966", "view_tag": "7f" } } }, { "amount": 0, "target": { "tagged_key": { "key": "ef1e76091eaba5db794f017f68b9be4a057ae142fcf9e475819ba03c2f9becd3", "view_tag": "aa" } } }, { "amount": 0, "target": { "tagged_key": { "key": "cf966e4b131c45da9c13afbb284b8c07f593fc33274acd6913c347801a10827d", "view_tag": "36" } } } ], "extra": [ 1, 231, 77, 57, 137, 119, 236, 125, 61, 46, 232, 185, 49, 218, 97, 193, 186, 92, 44, 244, 237, 221, 207, 116, 232, 2, 199, 143, 78, 144, 15, 117, 124 ], "rct_signatures": { "type": 6, "txnFee": 137980000, "ecdhInfo": [ { "amount": "95378bb9c2b7d983" }, { "amount": "644440bcba86e1ad" }, { "amount": "4b0465294a6e77ba" }, { "amount": "b941b2b321b36323" }, { "amount": "935d46d9bfe05ff1" }, { "amount": "a3a55b340969992d" }, { "amount": "124453d96bc07157" }, { "amount": "05b93bbda9936850" }, { "amount": "f03732984f758573" }, { "amount": "2ee4628e9dc75637" }, { "amount": "08f10dc400dc83b6" }, { "amount": "5371d4468203d408" }, { "amount": "30ae999c3cf1c7ef" }, { "amount": "4951ecc687049804" }, { "amount": "4cd5f0b013f387cd" }, { "amount": "e11aef5cf09e886f" }], "outPk": [ "97b8e2c288dc04d81b0783c79daa6140bcbe98ae93eaf139bb8ea4f6153d629e", "c5696e6a875b979b14f3bcb313454cf64eee13fecaa632d04f759a1979056e1e", "36797784f8ac3a9c0a2e375626dc790f0940d7b3b2e01012cbb5bfd2a51b348d", "f5e4ca20749b39a9286f7aa1c779d304ff22d007b0f9ba976bcedf8487af15ea", "35c305f4fba2895b2d6aa71d11011b758917ac02be83a162e4dd7c2ea74a2c3e", "7e62d68fca9eefba7c96b85ae52444e8aded3d68b31870305809086ae43b2f8c", "43c03bcd87421b0ae2750bb2636e539db3c64c8030b92f64797b6a9c7f671c05", "8dbc76efbf5f8a0eac86368b1fc0d2d8039f96b7f4482731812c7b048ffbb45c", "bc0a028a1cfc710c532fbe84ea798b440146d169c094a48eb55af8756060913e", "054dd70c8f5d6e583b4e28269bad95cf1af1473cd65a20369946d022636e0a27", "22afd92b7d00a79e4b99e56789261bdbec6859f1608d18368c3b73c2b2879b4b", "801629bad60a4bdacfdf8c5a79342b89f116253aaf53fd32da03e38f049191a3", "73a9f04837ceb71828dd74b2b0166bf5ee35a7b8bdf77bfdd1fda0be7d952f62", "7c82d50f33fca2ebd6c971a3634bda46e8c016916d55541e2c9a0c7ea1a06212", "950221e1479d5c77f636220f88fbce02a9c619daab269abbe899e121711af3a0", "f7ce28ebcfad79f3f8a92866a9b4756a6b50f39e862a31c22cd253f4afed1142"] }, "rctsig_prunable": { "nbp": 1, "bpp": [ { "A": "1ad26a5f06b52fe90fc08b3d086f545dbd785cd8a57046dcf2640086327ae76d", "A1": "910f811d65ef886f4fd1e4c99d4c26e802e918543cb7e185cade1f08c414d574", "B": "555a7ee04ad63df2283b557ce6e188c02154564f4dd6fc0f962f9ae6154b627a", "r1": "27683b540050a14fc5011ea361ce43d6aafa7bc28c91fc95396622b7ee4bae06", "s1": "6e7a60a705b434b8ef56ff35ada71cc8a63742d93d6d15aaeb27213602b6a103", "d1": "79716928cc07a8e1763b96514758f78c32471e7c6613e3e7304752f0b2be8504", "L": [ "724a86ffe1006e08d0383bedb4a0f0b0d03a3f2142c3523230a494920ec7add6", "cdd36123c9bc6402af7ce859d19e1212778234f32d17ef2380f66ee6805a8c64", "23da2a4d27ba6e9a4e1a4b984cd0e271a5cfc2fda8f5d1319f83642c5bd0b0df", "d97aa2d9fb1936590b996b318e783651b5de8668f73f44401bfd3fb1de3b58ee", "36fd5183cff156f25ad07fb0b487daaa31a62787c18352af3b777241a4200959", "76bb3d1e745aa4361ec324df10d0e7861563a9a52f8669e76b8bf095539c4ef1", "4f65ba772b65d88d1b22059a30a54bd5624abe822b64df474ac4644a69789fd4", "b4b27ac8c60baaee3f01245bab09c7018f4c92fdb37953a199ed7bef1d077c71", "c6c805633f03ae8cc1a9009729bf744d2bbb598c347846018377fa1afb9c744e", "068f2c5bf33a67f191063fcc4c8f36f05b4af62bc54470ea47f2770233f0eaf0" ], "R": [ "5385e7654f921ce5897c7233aa1cfc475783eedfb46fb2b7ed5281ae3205fbc5", "b37df1a6095018571540e801c82d87c7d4a3582d095b20c770de0c9a2838a453", "89f1f597d1ff514bc130db898e4cbd20e8b9deae61a5a7999c57c36bbaa85288", "1d441deda3ed7111bf1151ffd1c0d7b8b3281f52fc4eac5a5c2b5dc65c74cdc0", "d440bb0b2e16a7d444f530efedbc91f5e73d180bd10b9779610892ced42e1707", "60b576acac6030a065a1e92cf5067b9bcd061f0c196af74962e091588b8bd46e", "7607d75f92f499156a5c05f1b328b5578a95481f1a65a0e564395219fafd2924", "48b3e759d9b05dff845078af63b7cca5ff2141e5a92c7513717338a5c9946439", "9a2f0c6ce67ac4f601c608f2fbb540ba3d6e310deb689a1b29ff14d9dfd3972e", "379b8aa8fccf61ca46f9879db060a5498bf2eb8a50f492f88d9849a15f9a4143" ] } ], "CLSAGs": [ { "s": [ "b34af7a0bca07340d55dcf9e5d176dc68dafac6a7f57a2b1a2a6ac835ed66f0c", "0a4a414d42917069544586eeff8c58bb080a979fbf37008564cda86b52010c04", "80cfb0666f703e793be811b92a669341afe44a7e462b173f4ca66154cca59703", "64ab501728c27b9cb456bb757c8d4b5e1627dbacaf2352020f362c0a3041760d", "621bc7c4964fb8e4a9c358af03edbb593aa6890d9bb286198fa82c842b834b0e", "e5c157adebfcfdd417bf7897f29e1217798b7a950bf96591f1f3c542357cb80c", "7a69a2dfb86d8518f81cccd44cfa7fc4438faf0784ed57755a2b8999efe7a40f", "7892fb48990e30740a80250d9686555edcb6081252313f1adcdad60500a8fd04", "1128adb21409c1dc4111aa8b6e6e784271cbd4860420e45658beac8a542fe307", "9173f887cea24beac0fc124204bd06b1be4c51377d0f73f3bde6393403d1910b", "228087089343bc11a5100d8e9e0084c9beb93896a07358361fe91f154305900c", "e16da8f96835aff017ce9be7ab7b7395dff6871de314cb54c587790554963604", "2b213475872814b8b6810722448fa3c8162637768f7d5e244e2a02327130fb00", "02543b687258c74cd7932ebebad01ca8a643d071e7d10204ba460ed3cabbbb0d", "e8b9fa6e5178861f047308636441b81f63592624d877c75a8a5783bad58fba01", "7355d0a06b63dfa4509b78e4273dbe26b2224f79f121d798f13d9fa10adda309"], "c1": "2b9b661715063cb7a92f08d786c3e828ee4974bf2c082bd4a5187fa64367c40d", "D": "617c6fb06676cad8e203ea5b5d3e7035691d22b900c0d1f4e7709b98350b50ee" }, { "s": [ "225145122e8de59faf8fb47876d6ff99deeb26aebbe885eebeca4ec20277a201", "11e9e86f90e2e6c0709d27dca89cc326c113e4336f81ca50c5f419a8f2080c07", "6af1c23aa389ccba1d5be558d622ac62d712c4e9b188d4b689b76cad9026630b", "288aefbd4e1f75b3cd673a97249418cb42a72ab47fedbfea545dd09853ba930c", "9ea27b4b58e36b3360463159ef069132e5a81f0ed00f863173cf82689d58390b", "244dfd3505d23cccdf3233d5671dcbe025a06d0f0ef63fc21496dcd92691f604", "75ab04e6d28166bb78762319ad053f66ba3773d47e78c65455d6567cf1bfed06", "4a5c38948c231d66bbbe948b9de0499b1cdaa43662eeaca7989d4d3cef2c7c0f", "06d1d3e7936f42bb81e52b9d9cad2d4b3e582f67a68e4323ae35586d1e85a807", "490eb7315dc7bec7f51232decbf4540fef1be27c7344065ea8bd24cbd3d0fb07", "975ec40dc04d34a39897e38fad101d832076394fba4bc07ebf2501f9d0164c05", "6b6f05f06b89c6d77b19a0b4697862ccf6709a784774d14dbcf5cd6fda07b901", "22f75e64824045bf15e4df0ac27952c7904562ea3c8171b4b5ab55c7873fde00", "9b1c460232c0f1398f6da5dc653481f55d93f9a73713f6e51778516f1e36b00b", "a8b8ab3b39dab84bcc2a92e66cc0a4e1738ea91dcc5d30a82555fef2c5b8090d", "dbb03974608545cfe86b63aa5dde84c62d4fbc5bfe7d08e0c48fc64c89892f02"], "c1": "ca5fd1a25337789063c89acc2eda279520a46e3f2b0c5bf9e52f7d759ebcec00", "D": "8872a5480d4b4c767a55b7341819029243890e0e4cb5e88637919b362467abd9" }], "pseudoOuts": [ "7a4fb3ddbc9e43b6dd2350db7eec7c1af35acac17bc45076386a9ce17a17fe5d", "53681280345e4b645a6fcbc73f20dd5b0463387ab2d453866f206c6a2b6ca510"] } }


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