Wownero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: 8e2b9f120ff643c7e35a7e5a329538444652a0b733f259c7e0309b5e852d143a

Tx public key: f980a39a9ce96dfa0381695cc78bef088e4e9c5984a4c1ab97d73bfaa66de5ed
Timestamp: 1540940232 Timestamp [UTC]: 2018-10-30 22:57:12 Age [y:d:h:m:s]: 05:178:19:25:51
Block: 60446 Fee (per_kB): 0.37199232000 (0.02709632492) Tx size: 13.7285 kB
Tx version: 2 No of confirmations: 564381 RingCT/type: yes/4
Extra: 01f980a39a9ce96dfa0381695cc78bef088e4e9c5984a4c1ab97d73bfaa66de5ed

2 output(s) for total of ? wow

stealth address amount amount idx tag
00: f243f1cb2f687ce07d21c748899e31d1d9d278bdcf06a6239f1c024b458442a0 ? 308986 of 2473735 -
01: 615b13005c97903e9d9617041c8d1ec671fd95c1edb7a59afbae30d032cde770 ? 308987 of 2473735 -

Check which outputs belong to given Wownero 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 Wownero in this transaction

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



8 input(s) for total of ? wow

key image 00: cabeb1b4f4010113efe9ee5f957c4d4ba94bfcfa7f217014ab3901f21c7b1d49 amount: ?
ring members blk
- 00: 8f218a10fd1db6bc3eb385395e9b0528cfb69681d716c7ccfce869517ca1d4c1 00006294
- 01: bb8a0864775a29b382ab83a7de315d16cac30531da864261284c91b1ac44b3a8 00033377
- 02: ae8e77c853888d92b7158205f84ee1bce70259c5dc1df0f0f01d30ffef23dde6 00033889
- 03: 773ff784979417bff5235b10af81235f4c1c6863d09ced29ed0150f33b800e78 00040088
- 04: 267cb1634f7eb6bc8231dc0e2d21bb05abdc8ba079068e9435c0017b22031195 00041336
- 05: 215d1b1248c797f8484ace3d883120de5840023185fe459d005ad18f58ed711d 00047416
- 06: 03b04727441cca24d20f8c2bc30802a01179411e0595123ef07db287f5532750 00047989
- 07: 1d2a047583f00293019cbdccb22f5f19c66fdc7179beaaea826a3f1e192db5b4 00048853
- 08: 717b06fb6fe172ae11a3693df00c282808d518c160460df3c46b829f258d164f 00051430
- 09: 5e078d772eeb816ced63c26c45d030addb3bedb8e36a545db8f9ba667132a60a 00051459
- 10: ce809e7683b3aa0ece728d49f8e8d4bdcafd0793a2c8fae42eeabc2444070c50 00054861
- 11: 282da69fe25c2d00b4198f91939d5811d8ccc4f297d7df05b6715da63287e3c1 00058256
- 12: 2db6e212cda2b19b948b3c5f2d96f5e70e1d71922a53bbc608683759af5f9ca4 00060060
- 13: 2a7d784ced71342d5ccc8843a614acb53336bf42086fb0b2dc7e1b09eb8fc393 00060197
- 14: 1cfccf4f6b5153cda9c5308f149dc3b937d43e480e25d7fc95650d5aba5bd2ab 00060240
- 15: 2694ba857549507a404301d02e19bf67dbc5e55952ceb229bcb8cf26e80f4e92 00060322
- 16: 4c1faff53ba785a79bd0959a986ad4bebd924fbc6080d4545032d1d61d40d350 00060383
- 17: 233c83c89cb112e147cd3cc14040a48a1531b6de177bb0e8f7334fa818ca615b 00060397
- 18: 60e39620700cd93825037f4be7714926ad34c5e996a50b31f9eb9df5b19367e7 00060413
- 19: fba2f5f46de9e6b8bb8f31813d2b223cb7402262ba33b46eef9c68e5b9eae990 00060420
- 20: d1865cb5a56dbcfb07757f6d23d0d32d34aa6d3f36f9226a884f7e51a6650d22 00060421
- 21: 9583c950d5e29b2ada2137e81e1df58328357954e4425e20dc96963b7544143e 00060435
key image 01: 9633ff0216124bcc2728f78843bb167d532602fbabac03fa385f2428f7f33902 amount: ?
ring members blk
- 00: 862e9a072f4dfe96e2172c569e1fcd8ed4ecac67de1fff5f3046630173d5cc18 00014118
- 01: 12f043b88a8db99c7b9d793521ffbe6ca03b125ffd957d82da0df01c0aadee02 00017308
- 02: a1cbf25878673f8cc125ffa349a8ea46050caca3687d371fd7d2eac08b462ad5 00034002
- 03: e0e5d4d0e978a4e004c8efe3f8daf4fc7e5893efe60d282404f478cd1a8c0a65 00039951
- 04: f993fda0a32b9c03919f25d30dda6f0feb2537f19358307bbb9a28b06fbc652a 00043845
- 05: f2632707523b205e6fee6f6ade59967493edf6a9cb7fac774927b17748f08ddd 00045103
- 06: 9892a2c8fcbd340f832a4255f27d213746822c5e96f5a7ecb53506684c7526f0 00046213
- 07: 3b4127e3cd00d03e5ca0a3ecf77e454dde7f3a3b22bfd77446766186ddcd602b 00048143
- 08: f5c708a6059d807b032c6cb1830003be8bfeb4925def028c3098b764aad814d4 00049897
- 09: a1a6d0b07321e819cb27d1652a88b40730ca9eb7b46460ac325ed533d94d7d3a 00054477
- 10: ebada75e8f23a5f34024cf14ba5959dc997331283cf7e6abc59e9f8f7319fba5 00056761
- 11: 4cc7b4e7583dcd4b4088ace5108367fce4a4168668efc7651a90d2e11c3dba25 00057971
- 12: c0e3711114bbc9c58bc349f91389e16f33899aa0f5c994cce0ab0ed53167e4de 00059630
- 13: 80a2299cb62fca3470287323950f94eb55e2782827b24ca16730c1cb387cf4fd 00060227
- 14: a7e273b9e99260798f2e4eff7adc5a0e2c2fed77d60ffd9b1afc5dae9e09f98c 00060248
- 15: 182a9fbb4ac3abc5525e9e0ac5fbdcc7f15fc79af5d37573bcf4265220f4b94d 00060357
- 16: 416d8abc779aa0ad78a2d8ad1b747a16b8d756daefb0f10fd9a5e7aeeabf7d0b 00060359
- 17: 3653512b0c250b6708ff0bc80101a2286e8f9ce99f899956598328e751107a7f 00060386
- 18: 0e1cbbc033cf23e3a6e5601d5ed585def7e433cf0c446ad13031db9c3f43de8c 00060391
- 19: 84e48f2026da9cfd56bbd02c9a92623ef6251b6810665140e22b2a41deb0d2da 00060403
- 20: 60e39620700cd93825037f4be7714926ad34c5e996a50b31f9eb9df5b19367e7 00060413
- 21: fb8a4135569c56c6342cba929a267cc0199b91d77738dc002cd513a4395469ed 00060422
key image 02: 8872fab09c07276aa29666bc258bd65d6b2f54dff4367b86ad4b3491e915b51d amount: ?
ring members blk
- 00: eeb7f2c39e34e9a02d29766195d1febc06f21f2900c93df394a374098b0be63b 00024205
- 01: b83e8dc72efb1453e33aceb753c7ba530e4086da9afb9fbf399d82ef4fd6f719 00028869
- 02: 40506365a50bf5c5ec50a7a24f2bf072442e50ba4b96f163c90cb4d9c397d8bb 00037159
- 03: 4635ded44a101bb5957c039c5f1fc2517d9f00637ef06b2319c54a0cf117e012 00038004
- 04: a314d64fa986a3bb691e995c44e27ece53216bda639564e7c3e5e5e97e51037d 00043749
- 05: a41b7c212f42ca0e4d3ea9b67d17793ff42e079986501780a9991af2e401d2d9 00049011
- 06: c7f39a18cfaa6849672084e17e9ba90e08283a7820893ff2e64004b562eaa72b 00053970
- 07: 1e62d5be16c769f067c17b23a83708a76d8173c8d516ac7d84155db13fa9a354 00055301
- 08: 54a146c408a6181e814709ef393ba7ca4b845d0475bc0b6f08c7104dd1feb27e 00060202
- 09: 7f32e046680e52c87c76227e52cb8482944b9cb9caf6def0fd3b4fa36f62299d 00060207
- 10: 99259e8068c03ea4e6b2aff41746ed37c19c1d99b11c96011ac771fdb1e550e5 00060222
- 11: aad2978af431de33cae985aeca9bbac277122dd357356f0ec53c73010767151c 00060247
- 12: 1f87debfae8b55b1e3f1371193505e6127aa7fbbed31409682aef1313caf61af 00060273
- 13: 3480f5179655dc49a18abb61c5437a2058efffd070e5eedf932e8bdc8abb7b21 00060293
- 14: 7c416c32771eaeeabc975552bbfefd727f89676587ef8dc5af90d0638d8c2cfc 00060305
- 15: 60e72e1c2f04334f54803a9f6a785b4b03e3f3bb4adef119576e0410be88650a 00060306
- 16: 582a9831115d760c9c8f3c56c7fd32a3e6c1b39054179535d71346b83683d493 00060322
- 17: ccc03190611b31f7dd0e7329697ebe70a6979e674cda73950d602664002a09d9 00060344
- 18: 182a9fbb4ac3abc5525e9e0ac5fbdcc7f15fc79af5d37573bcf4265220f4b94d 00060357
- 19: 79e3a8df78e9a9ddd1abbcc321082be45eb51e78136e327e38dea64bdf4828ea 00060364
- 20: 24b95a4c18402227c827123042a9c96ed840380d7b5bc731d88538291b77b148 00060366
- 21: 1215abf6bcc9d18c11ddbd77b7da2cd362461070305eb79b981fb7c263abbabb 00060399
key image 03: 68ea3c327b3f4a79a775c522b9be8379acb0561119473666a331d4981aae4913 amount: ?
ring members blk
- 00: c8629c22f48495fd60c8fe886759b1b9067010f3d3c9b4538ff1527214211e54 00018856
- 01: ddb5c9d57be284d653ed55f0bf8759b1ea041c2d8496cba4c2718193551fee2d 00027403
- 02: 377921007a5e638a2a9b40c75ee19b8358a6c4d70f85bafbfeb014602e9b489a 00037116
- 03: 6fba9e6d84d82ec7765dc84319752a9ec25ee747ff27cc4d59b24ea75ba2ae31 00040053
- 04: 81b104e99f6cfd6133f629de624d674e904cd12a12b701aa4a59feabac37db8a 00049676
- 05: ded7f0660661d2cd2ce7b3d41f1f3d7708260af054937cf3704b6bac11a7e27f 00053021
- 06: eb8db6bdcee2c31261c4cfe09fa7989bff7ca693ca38ae50faec28c274f219e7 00055284
- 07: 4df200a446bdd6a75de86278a314328b43329c756bb30d3060b59024bd8a435b 00056362
- 08: 40b8e2d3d1b03b4e842e3083e7776645b952199158e4279df631334156a1c025 00056667
- 09: 70edd8ecea3612cc32ebb6ab391923f112f112a7b60d4fa84025eff777f1c300 00057145
- 10: 1ee124302477e21ed6423b52213f8108b2e5ac7e147093144b9d75fac255e118 00058359
- 11: aa54d04dd5e868238059f7d753b5360fd6d3459967e8ecf844f2e9f91316d81e 00060052
- 12: 2ba2cdfc100645f9e2f494d5911f9ac6e96e8509db6d036edd99cf1699a484a0 00060132
- 13: 94db08fbaab9232f431cbf84352183383dec137e32d66091d664265d6ff4393a 00060145
- 14: 0c84e4f29d29465bc8896a4323aa60239cc3a44140eecf8ef9c6b062e44588e2 00060169
- 15: ae4214fe81a8f9dbbfdf27e9c46f921c04d6d87147a4594cf90703bd78b7eb30 00060207
- 16: 3a12ed50472153294555e2b7350194e8420c216db5c52f5921d26a77da1ed310 00060298
- 17: 334623aae772e70a11383e15af3e6b3f67f89076c8415f4df0df587882e6cc39 00060305
- 18: 6da8e508cb08b972bdb6b209b91ea7fbf21314b354e987f4a1504a37ee63fb3b 00060329
- 19: 9111988bc461653841169746b14c3068a21cb56e906c8f0be5a53be80e5901e4 00060357
- 20: affadc9ca908f160d8f85ed5b9268c0925c6cb1d3871378f6d0b38b4f14b1eb7 00060386
- 21: acf3bb4c8aed54f8c047a6eb0f16a24625c9c0bc162e964c1d428681b347d875 00060391
key image 04: 5fb63aed90e1112f2d846d07745fc4e0d901d33ae68c268be1084ba8a7a03a95 amount: ?
ring members blk
- 00: 962b9635a87c168099e876c074ede105dc09eb6f9995487a86a94da6410ce524 00023056
- 01: cf95ca380fd28872728354569d99ac0bd58c085071dc98bf66f77003d57468ba 00031257
- 02: 327310f3a7422abcaf0798c44d94b8a4f7ced4ef355ab7cefef4b4baf32ed46a 00036219
- 03: ef6eb292e7428004a1fe46844d468bca6fe4fb6b590fee187456274d65cad28e 00047994
- 04: cc4d503e400b431ef830b4ae9c4cce99080165d1386d820b34fea18b7daf18e2 00048983
- 05: 9707ea65ebeadc20e5b8dd7a14ccb5f8d016622aebb36fa8d301cfd961644ce2 00058489
- 06: afb0b541017202229000865d849e573b05876f9cb2628cb430ebe1631ff35ba5 00059180
- 07: 401ebd8a8c4713fb41c63b69c9814a225c214bf359962c3851da6ed1159d2768 00059445
- 08: a7f4ca51b99ae9620dc800ec36cba18a186524320b495ef50020d99ab458cb3f 00059939
- 09: 2a79da176fa45587db70ecaab3cd4df12a9ad9f5a1723c213b09c4c955a65819 00060127
- 10: 6d24ebbdd0a45a34c14187c01d36e055044cc4b880ebd07ba16f10c53bc07c40 00060145
- 11: 1d79621570c22b50eb5593df1fb6434c61538f919ad249f54f1233ec73716a69 00060153
- 12: 997cdd8842b198accb40ff23bdee69cf51f5696216d4912b595561660e5598cb 00060163
- 13: 719af29c6613297e5867b2bfc730f89fc2ce9393d92c487906f08758ccc4a31e 00060280
- 14: 1ef781907e5bcb16701db981555c9e58d8576b5b6728f0b6d7741163a444cf0b 00060306
- 15: 4581b7d48b6bdf624e319b7aa1b32fbb34b207636b2783cc89bc5cb0cdbd8325 00060308
- 16: cd84a003f250dfb968f042dab0cf42f24a972789662f8d4c40117b0577244aaf 00060321
- 17: f9e1b3a64f9a4409b2721624b80447291978aa834f2f08e71f6bca3a70597dce 00060340
- 18: e37b1abf736d0d53258af27cffc73c3f3c32dd612fe1732b81e222b42ace9057 00060358
- 19: f3e185f96a04296a995e5dbaa8ae01960fe2b1ce31d81d597b1d2a02c56251be 00060397
- 20: a523b743b07f548ac8131cb7890402ea69e77d74f5d2df317f27b0f19358a638 00060413
- 21: 9b569d75463dc82e900f5cd0562e2bc5967e33ba5db26d954a06959c4233e7de 00060421
key image 05: 4860dba8dda3f6b3e9af4e794c4ae588316f2daad460eefba043cfe9fe7cedf4 amount: ?
ring members blk
- 00: 078ccaf65eda3d8155ca4dccffe3f777394ef7045e9231342db5ac8ebc0b13d9 00008006
- 01: bfe4ad5a8bec1f42578bf353d4aa01e1db8c4ca978cc72eeb77eca99158fcda2 00021644
- 02: bd642ba418dc3f470bdf800e7a0a4a5b2fead93411747045fc5a7798b0451513 00033391
- 03: e83236c7d0a38f8226f553abf31d30b29882c6d0b349062b37506b9bf5e1eb4b 00040639
- 04: b7474ad55dc4b78f62a0e98d3970dbac35c4e2bdc35d472b925d85d94ee2d2f1 00046815
- 05: a5de4d28857e0e405230991029df8f8b82fe4108464102b4893895491a9383c1 00049547
- 06: 0f33d032aed0f8a110356d5a9fb70cca2d49c628247d4c80a1ad31e60ef4c10f 00055306
- 07: a739d2b879fa21dfd039b7eff8e22491935e4ead527e05e48ee4ec7a297c3a80 00057396
- 08: 17c419fbb56539d7a120439c7f57d7a28210e55a6656bcc16de1b6c5781cc008 00059825
- 09: 727ec63ce5e3c611251428cf3bd47227d4783992d259ee85a9c27b61ccf82b3c 00059851
- 10: a0b6014863abfddf6bd9e28197e23e036eb9c6baa6d479a9c16a67e5537ecee2 00060126
- 11: d8bc4a0c4b1e1bc0772c2c36eda02689c34bd9f637e73a0b48c3747869ff117a 00060235
- 12: 3790beec0b5b5ef30f95df31e5a0a7436bfd637d450b9ec8952c4a7633235d9a 00060285
- 13: eca6d2c373fceac32f5dab37559c631ce5b2bdcc105388d4e1eb2e395e6c8ebc 00060322
- 14: eefe24dc44ea8026b68d8c6a5317d5d0e68d057252ed27dcf80fdad537a9b566 00060332
- 15: aa98d8af2eabe7348fe18555702de7836053be19f09c85b6f53549c42830787a 00060333
- 16: cc7bc0da1a881e1389d29f5ec46c52a83a94991498c217967ec2948c1e212cc6 00060342
- 17: 7f91ee3c8b7c1cabc01114a752306bdcc4b21d16ef4ab0960be56994d261b759 00060375
- 18: 9a8d342e3bbb92af14984b57486c853359fc1349a27afd4ef8138ea84d024581 00060391
- 19: 93bcfb1139139daadd46366d94301b939a4f9c8f2ba3ae8b25e587e133c72f7f 00060391
- 20: 89c86fa260025f655c0497e301b269dc507e63c15717db9196d3c1fc734918a3 00060407
- 21: feffb3fa4375838ea0d2f8be146d042a24d6161a9ef324209067989f53645f2a 00060434
key image 06: 0af92848d6ff8dc5af051379e66f00c185ef63873cf0f79c818fe7f2e5e3cc2d amount: ?
ring members blk
- 00: bb4d9871edff4b3d835959d6234c86f63dc593b8cde21373dd7b44b42f6cf5f1 00010628
- 01: 24b0072bf8cd083f4fc65c5ccd8f1c7f012fe75c1a9db32d91a87070f7f45811 00033990
- 02: 8a1a84ae4e0a4d604c35952a647bb097e2c03d8b03cd81425e000bfa531f77fc 00034863
- 03: 0b38464efc7991297b4a57b79c3f9255056b3cd3ba9f532a8ad54da47cf38321 00044026
- 04: 610c9f548cd568fc73f32d65064df51b5d20c31540d8027b842eceb94a9ee192 00046756
- 05: 74e64c1722fd691b117fdacb21fab48ade274cdd671f754faeda2ea0a923b425 00049579
- 06: e2d69de82ce268a082e465dc49628d01efc7f1bb6aa1788e574797e3ce616b86 00051442
- 07: c39dd1ba01237b5fa2669548f1796a9d3b33caca2332313f748bb29fe1c8f368 00056969
- 08: 128979f511baae018a176f3f77ca3eeda8c718f3dee6e917cd5ddb5e2ebcb6b1 00057417
- 09: 4fc5f761abca756da287cf6c4ed1dfe80084e22492f7d7d360a8302f64ce1e20 00057757
- 10: 17deddd3b7e9965b52bd661e08238cc628a849589946fa178ca7265bee0845ae 00060100
- 11: 443ee8a7fc514daab0314c702aa03817e658bbefea3538c52726810fc3880240 00060118
- 12: ad14380e1e2cde9a268ea27e29f69e58b54e959b5210ca10d29aa3d5d43a91a7 00060189
- 13: a1690cee0c8701f35dd1660710b7e38d02a35b0ff1699bab427cd673b6e6aac3 00060266
- 14: 6dffba375620170578137ac41289f205048f8117d2b8a43e94033252764c1d8c 00060273
- 15: ecf29ad66ea578755803285a51b521c0f51c492a0f875236cfb06e351ae560a6 00060278
- 16: 24147154e22bae60dc8671feef5adb8766599b6d240b0f2365b1f09e5ddd6418 00060285
- 17: 5cb1c7f2fc316c9c6eb77af0ecdf9b1a90b07101930304ceca690a71b5e77c1c 00060306
- 18: d1e2650d8465862ef90726b403210c893f9df7e45589695df13974cdb0d7d7f6 00060310
- 19: 396dc811e4f975b1a480d85727bb3080dab5fd8a924e4b793c8f370fd1dfacc6 00060332
- 20: 5fd2dbd63bd64fe00f0367d55872ecbd617b85f3cd9aac698db4bfc632b04532 00060434
- 21: a7fdf4715ae160e80743ab84b34f015ba74caaf4fde6e5ff262515fe26f069be 00060440
key image 07: 086a15e5e9fbe0c0a49adb1baca7afd56e931612cdc3d8c8f085543176b49b88 amount: ?
ring members blk
- 00: a2241150fef6fdb6ea0a51620ec2d4165178d9253aad96588caf1ba85d51c5c1 00019817
- 01: efe117b4459309f0e3fd4f9409c781f32134268802f35469a00badf3143b5e7e 00020994
- 02: 2e2ec62e326ad7ecda411283d9c003befc12b658efa322d3c2eca618017261cf 00031498
- 03: 3a9d74aff5930be424bf57c6a23e238ef5ebb9bebae740f7636d9551dd82d9a9 00034814
- 04: 0c7adf3263f82960c2b5d0a4b13370a1af1d85b1c679932d4f56cfda90dc104b 00035847
- 05: 48ac1a103ca3106b15718ca75fb12cfae2c669093bf2b7ebdb857d59ced79841 00041045
- 06: 6c8523d3f92353bccb6fb0574bb968f1008d50ca233d52fe698411d76de3ae6c 00044651
- 07: 5bd02b69c37c2fc4594e2bb13073c1d7fd5e41e50f83da8b7fa6a07428421180 00048392
- 08: 4f9cad342a362f918211f0c9101fb3397a5e173ea9585b6745456d60e7d83d04 00052954
- 09: 59e0d775316ae467d2ba0aa767dc255e82e48bd5df9d8284c450f30f35f1db89 00054325
- 10: 9c2ff79a4c5a0ff119504072b597a7d9571b674ed7d9455ce03f23092745f7b1 00057876
- 11: 43a140e88c69ee472a96ca8ec3901e2487d74e413c26f52aa81f6d770b434ed2 00058485
- 12: afd1fcc8e375043371baadc67d4039f8274882d1f8d5e9fbaca0d0cc2ef0f234 00060090
- 13: 0e23251e89d138793178598062f97f6c0b4d9fdf6b17692bd3744a07441f2f5e 00060144
- 14: 461442e78cb42c3c55f4bb31ee4c2c585d630ac2ca797a8fc9c3fffe5b6fd383 00060150
- 15: bf310f13f331cc16deceb3e30f66794a1d0bba84af81f46f9d633dd6aef85904 00060183
- 16: 90a49c6da55cf2c8c234057d25506aeb226c3f397790c0196a44aed98c35a027 00060240
- 17: e6e71be442451cfd35441458ce3a8ca147dbac0f430bc4846c5ad54b92c43589 00060328
- 18: e62c6cf4ed4628f38aa48700a8a562b81aaead92a7812417ce70d7bd66e5d3e6 00060341
- 19: f4a70eeed02746b0b14212939883e918beabe9a737e013e4c3de929dbc4fcfa9 00060358
- 20: 3aeadb2155b87098f9d971463eb0e4f7444cb3bd780adec0ee246f1f5db29a62 00060388
- 21: 470882235fcd5ffb0da2e2d075c03c321c65a3e0d0ff3c06e677c6a3fb1fc02c 00060421
More details
source code | explorer version (api): master-2023-06-06-16d6d16 (1.2) | wownero version: 0.11.1.0-276fd65f2