Wownero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: 4b03d951d74b760a159effb5532254c69bb947193001ac5ebe96edab3c6ede5b

Tx public key: 6903967f80ac8e69c09ffa01e501fddd047ce93185945956c15ed4d422e95647
Timestamp: 1545214826 Timestamp [UTC]: 2018-12-19 10:20:26 Age [y:d:h:m:s]: 05:173:20:08:07
Block: 70138 Fee (per_kB): 0.09214282000 (0.00671895234) Tx size: 13.7139 kB
Tx version: 2 No of confirmations: 567408 RingCT/type: yes/4
Extra: 016903967f80ac8e69c09ffa01e501fddd047ce93185945956c15ed4d422e95647

2 output(s) for total of ? wow

stealth address amount amount idx tag
00: 60e8aeb4b396c7af68400a35abe34af2d6ebf6074eb2de34da67b4eed042369c ? 354237 of 2490820 -
01: 5cf7d05f8ac272fb40699bf64c04a69dd8c233612c067614fc9c7bab2ed8944c ? 354238 of 2490820 -

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: e60665cc4c3a1c586b1726de48f2fac5732f8d2428ab99dfda26fa8b1ecd4f9a amount: ?
ring members blk
- 00: 7dbff6d2577c83490587056e6e05ee60ebcd6f384c93f7b73b433ecd1165023c 00021073
- 01: cb39d4a52e49259ee66486bc18ec84901629b61cf2a5320b21f6ddcaa0dd4927 00021577
- 02: c353025ba4352ababf0426bccdbb561ff1cbcc0659362ac8728aceea85b2c18a 00034406
- 03: 2b0fb43d179bda91d65617b7eb05a30dd2fed95f918e7b1d771274146583870d 00037193
- 04: d90321be66e34103116b5387d3b24084865c30b64d123f1b0c6765e3c75546a2 00045984
- 05: 089e9da1ec4d32966c4a654ea099f0a5113ec4941879b12dd006549eaf8b1184 00058918
- 06: 04e82a255d3f821507dde698a3a15576749b5370a9277dc4253771910a81825a 00059006
- 07: 2275ae093f1a1bc9676e7c5ffcf5e1cf4587119047d3f5db777540a91e5060c8 00060987
- 08: 26a40347230d865b8dcaaa446027638dc93ed39020e725c3082b67395b9f4898 00062226
- 09: 6f76790b752371ca3912ee2534a4f64b222e5e70bbcdf2c86edd7d157a16abca 00063331
- 10: c02abee91fbaa1b5c875701810be3afac3987ac9736b35f753e775afec58c28b 00064647
- 11: 6efc07f7cdb9716d70e3e1a70b540989122c14a6018117849f5a88e583c13f8f 00069205
- 12: 0a1bdcfbe8f2bbf04d633067e9240d4d6ca7628cbf51c093644888e28a5204ec 00069927
- 13: e7812cd14f08fa56d51caad9dd311b7a0f5e277d811b035c32fbdb6ac2eba962 00070022
- 14: 1672661419803d8373857a20bf08935bdf14678e8de8680996b7548c11aeeb70 00070041
- 15: 2e1076477227557cae6e2fbe95a938345d6daa2dc90d05cf7853d6be735bd1f1 00070043
- 16: 388e3cdba8b1b41dcfb34126c0708cda4c09d350e0739abda7507ef9cece0f70 00070048
- 17: d19ca0920067d67924e1b623ea8e5f5abe2c1eebd2ef9fcd508e3f5c334ca299 00070089
- 18: 7f8200a6624e840477aab09ee6911509c1028d8478a64a11ce3332760c532927 00070096
- 19: d5bbba4af6a6b2574a43a55ce13a399b4e86fd81c798f38eae33f5f9b00cf09f 00070096
- 20: c56e4deed25eab202cf06f7c1cd6ee1399a42c54b96576711d637587c255ad9d 00070110
- 21: 11f4c1ebd1abe08ea19b318ba9be9f9221e1fffd779e5bfaa156ee76577a5877 00070126
key image 01: cca59253aa4658279108c94f1add4ab0ae25ac736b8d0c7ddf6eeabd6c46ba25 amount: ?
ring members blk
- 00: da736e4532e7ac7bcdbcbcea92869757125122fad70b88c7bb4b7b682c8423e2 00006624
- 01: 985f88c216bd13ac0879562c9db820d9c419479219e7085179fa1fd16c7ab3c0 00011767
- 02: 8ecfbdcaf0db85fa171856d713adfa710829ac7f2afbfcef1fb25b800fae4139 00012768
- 03: d8ed8ffbfb40c2a6e1c7cc30766987ed8e0d2324877068558233aebe488c014d 00014746
- 04: 52cb45e9a4dbbe627e3faad9025376471fdcfc666a58f074c0d581afff8afd86 00020426
- 05: 8027d876a3ec0906abc79dd1ddfffca4231eb6c883c82da3964d61070bfc7fc1 00024520
- 06: ba043e47964f79282b234bfd820c44fcebfd4d530256d40f4ee07bbd4c499ff2 00033894
- 07: 8b28a64c9ad83f63b0f95a5eb4d577ce96698270451639937164a20ae0598f2b 00040890
- 08: 99cc7e6dacf4d61f0a6d96429d277c168c7a5a9d5edc1c1a0328a857ecea7187 00044325
- 09: be8312792aca349d278d002da910cfeb2f4f04d098241560a144cdb3029b8b62 00046555
- 10: 8f29ffd2dd9666d4167bf1a5641c2969fef71e378dbc89f3ce41363bed2df398 00048670
- 11: 19e556e00b8d1f2f90c7bd44428fe265d092eb595467c7b67c838a18bc03cb4a 00048983
- 12: 1c1ea1f0b516126358d108709277320872024a624543571d3552020b7df835ea 00066163
- 13: 6d73defb7dc83af7b170fbdcecb9044c60b680d614dedb5600be209c109b33bf 00069884
- 14: 96b90265946259a60a8741793540786835bafcb0d5b4658e0779b033e445e220 00069997
- 15: 1390eb7da8387c8bf690e8108442bf7a3fb20ccec160f542b00e3fe6055520c2 00070000
- 16: 259f43211026ef4d0e55930b89bc979d715b3680b124b0169e3ae5417b6fb7d6 00070017
- 17: adfa54275e3f34e8aa897ed536d8a01c0d55aa402907869e1bf67b44478d38fc 00070019
- 18: b6967bffc0cf4e02ee98766b4f092ab97979d6644a62c84e34c5afc35d389918 00070022
- 19: 438e0cac0a7c90d6b54637613f072c0bcb19644e7151fd3ae79a4811fdfafc1a 00070053
- 20: 9c99ce1794a66c62aad1009ebe76d24a5bbb0e4aed48d84a607d96ab250376e6 00070055
- 21: 42b352999431c74240fac756e6afa3e8a7b6e555fdbd15168207da2675bc7dd3 00070091
key image 02: a98725c6ca75c16b7abc901a5363e25a37b0111ef400b1e5de06c6bb1081b5e2 amount: ?
ring members blk
- 00: ae8f99fc9dcc59dce0a4fde45c89a299a4f6a981ed3c6f350ba4f28ba74560ba 00027490
- 01: 13a33bc7c944a17b42f8b7eda74a2c85be894ccae70b5907cbe6fc747feab6a5 00040712
- 02: 7f3717f0cd3f205519235937b7467287ad2af1e807db2aaaab13012c6f464d9b 00048878
- 03: 91a2cdf5c353635d457a0e6350c0d39a152111646eab3bad55c0d64f198b38ff 00050537
- 04: 0911b8d69456c3685ac370934e1c9267dd4fee769985a55fbf5280d7d130ba71 00056274
- 05: d0898f4a38cd0bd4c6ac2889b384733ee51263e9419eb6e63471a5a5ded7c7dc 00056856
- 06: 5e7e496394677936720df2c3eaf9ceccb81eac6bd81806248a0bcf6794a89a87 00058491
- 07: 62ab115ec5ccc05487412c93f557502b6a493bd16686f1efc4d8c2d690765fb2 00062011
- 08: 4ad5cec688157a755fe0096697526fdacf5451e04f493d94a5806a39cb28cf82 00065210
- 09: dba81d10af2e3aa0a1999a63414bc501a68e7e30b41b441eb32f0d1f35bd30c5 00069902
- 10: 077794b21de5a7cdded1a9b9fd6769a353608f4d9dd1bc459fd1945d4dd99ab2 00069904
- 11: 5f06b543d18d98f031f61fd9e4baf49edbae074969b13a70c9badcb323f7d185 00069961
- 12: b4b4b29f17c214168fb6864059f4f8421ae87cc44fa98be89dc4cac8dd6b9229 00069988
- 13: dda57bcc8c29651dd090808b55037c2792550efb4a4e23fe46d85761510023a6 00069991
- 14: 56f5b64dc40b6fcf60e4a3cb8dd1989861a2491a689ad6c459f7d6bf246b712e 00069997
- 15: 0297775428b4aef844136ae9a9745db6986db97291e3f63b36df67e89dd9b1af 00070031
- 16: 204ca2d45b6924db531cc304f0b3e511e3100d67fbbf027c8aa095e38592b10c 00070046
- 17: c00d92dda4e68953678a167c37c1cb00f1aee54f834ca4830799590a95165544 00070046
- 18: 219d5cdd6e1364a830857c60cae064a77fc81de1909bf86b4af2e5f06f29ceeb 00070055
- 19: 7465fa87c50970095f92ce85f3ba6e9b3cbd199904d71ecbbfa4bc3fb3884cd7 00070068
- 20: d19ca0920067d67924e1b623ea8e5f5abe2c1eebd2ef9fcd508e3f5c334ca299 00070089
- 21: 00856764b85ab273b085d58029490011a7a43e5e798b37e8bb921041b1b20a8b 00070096
key image 03: a26cfadd4e97ed726aae6942211798e89198d3df033b60ef7e2acac0dcb16423 amount: ?
ring members blk
- 00: 8b911394ceeb77f46dcd6470a0dd484d4c92087fb8d97b908e1cdd86092a3b4d 00029352
- 01: 1116682f40014dcfbdd59bfbd264e5469f0efec826d9a3508a7f68bcb969fb39 00030617
- 02: 352cf841d86118b8e9f72a7d878fd299273a79c9f6885c6558819ff2ec840016 00032159
- 03: ddb50643300f5502634fde4aaf0cf8b18947c42bc994e656f20d27a2f16a01ab 00034082
- 04: 78868ed1be5476dde2db431f9888e7f274b518f7e90fae69edc8b99da247ebe3 00036054
- 05: a2f365328f985d14c201d5951dccacf0ddb7d2a29612442892304293f956809e 00039517
- 06: 5a1ceea0aba36ad433e8c028d0d3ec2b5dc20e500acfab0147726913dd74e613 00042514
- 07: 3acb3a6780e7a1a757d5bcdc9fb8fb5c7ce3bb6a4238e57fa5348da7f7948478 00048537
- 08: fecf2ae83a54ccb6cb4bb52fdd5147a85a0c520993ba8c0b0bfd63a60e7acd6a 00051878
- 09: 5a338c71f2f6751b733cf45e7cc14f1a21d79f03fd86ea20c88d3ac2703e9aa5 00067956
- 10: f8bc4e1516efdd9d8ba09b4186d6691e194ec27e1456801a0e8c56608a304627 00069988
- 11: 6d9feadf3d1c76c2940fd0cab55827dd4a47330365d6c2677419fa36d0eab110 00070026
- 12: b4037a57840441cb4f34afff8e0b90602946df8d8cb7adee78578826214496b6 00070027
- 13: d25dad23640b9d2e47b2d769431699a597f37e585b08ade39505553c0b6f5c3d 00070031
- 14: 57eb15cbfcad43a3bf0d337ceeef3bb7225820c4bdaa051665220ceae16a2f0e 00070045
- 15: 2627685c0e0da2427e1b7213b1e5d8d1dc30780e15e40adfef92d4f3ce4df184 00070057
- 16: eb7c71eba7027da21621baa34dd783f12b3d67fbb052fcbdc9052c2e272e954a 00070058
- 17: fce93de47c2c955f8475066348b7ad90cfaf0f335eac4fb6ca226c839c3efcaa 00070063
- 18: 88717051a46d2f81ae940df4cedbe560563553d21897f650bc3dd967850cbaa3 00070079
- 19: caa24826831e89dfe3fa550be4039f36aa7a7f65b3c6ccc7b72dc79179bbd607 00070089
- 20: f997f3733efc379ba9b88d54565c938bb939524abc6aab4734186ea4cb57db05 00070097
- 21: 5e09a8628da3233f54590a5713d5f94bb694e33fc5f07668daff4585388cb236 00070111
key image 04: 935631663d856b186367baa9996ca421a212330d3592b2040a8c00f985052c10 amount: ?
ring members blk
- 00: 26cabf9e46f46d804a6c495c0c1eb7bf989f17834ae2a04ef423ff154c4dea8c 00019046
- 01: 0de48b574b3ebbaa43e957f0029d08a01577c5e2e9f9b11ff638fa59b568c6d2 00031663
- 02: 379f2dd1fdd1d7771cc3a5bcb4282a7e83b4f395e800f4994326c25a4bcd119d 00038409
- 03: d660a9003b10c83d4a184821ea80d9a10e6a5c838d02ea1d0de424e6bba8f781 00039555
- 04: ccfe8ee6ab223197e0cec39c64bb957c0afee58b31f822135f41a2aeaf5e33c6 00057504
- 05: 3930d788dd14b237de58bb48ce3b7e4698eef57e67e5f0ee524cc38caad9bb29 00059641
- 06: 1fb7872c5cd04df81915185fc12b1d704183ee022a081b6b576656f022b2aa32 00063181
- 07: df1f6409f0c2b8a2a31c0d94817e51a195611299a5e5b0c16bfa0f8900bbd251 00064468
- 08: aac3e672de61a1aff7da965738f54ad4493cb60120a93323cc958ae0b1c76adf 00069943
- 09: f28dd805bdcc971010dbd3831a6cd8335729ca53b6e38be7764c9c123abe2872 00069961
- 10: 5bd610db0ec483de9175f1935879af2f60d054ee9cd8f13d368d3394f47ccfd0 00069988
- 11: 66c6ce23c50e46dd47437bc755ea5b169751c4db7af5eb221763e660b2818790 00070027
- 12: bb6a325bacaf620506d5e24956a96bf86da4a1ccce9697323aeb9de10e8f729f 00070035
- 13: 3f653b1dfd5ed8aabd62a35a5b5812a456eb96e9740b09e2cb99b26831e8c491 00070046
- 14: 5524648192c8cd4718edfabc882f665d00144a5334b48fa50ef6bad8a9d83e8c 00070059
- 15: 64f2033587cc36453e4cf714ef70a770bbbec80a53f9ef99214443e4a2fe4e0b 00070068
- 16: 31d051986701717381e278cef7199b005602213a12d8bb2deb0bae8d4c289372 00070075
- 17: 2d1173b154112da298b504a2bec0665f7021658cce640374802881b7c58357d9 00070082
- 18: dbf8792f27f6ac986ce0ff6c75b42962e8c50f7f54d0b8edcd76e643e5eac6b6 00070089
- 19: f04aff5045bb531a38ae9a9d927a3e1a408271cb88f05b89cfe7b67a710d3800 00070104
- 20: 17aa62f1ad05dff0fa95bdfec65f5da4d8ebae50ef53fecbc387dc3553435da6 00070104
- 21: 0be4fd108204121e91878fd5b54d3eb00d9c8da98c1e72b03558892239a0789f 00070104
key image 05: 47aeba1a1f447840ac5084dc7542d0cd02814940f7ad437180887cc756a090a7 amount: ?
ring members blk
- 00: 98ea6b5f6de0a4d5df6e633154bcf5d266534c57a2e9b0e586961f3ac092bb67 00019738
- 01: e7f661b80638b531f4b4c02fd75b0f85e91bbc5952cac02641e57e2ebe11c299 00019960
- 02: 26cbc3d495c3a825f88a71976ffbf0d8e5e0cf689da4ade5f218cf9b04847e15 00023953
- 03: 44e929c6734e29b0521c53ea58cf278e44bbf6a8ff23ba96e9b9cd4cfded9c70 00047213
- 04: 2655e6789146e46bf565407806df009d3dd7cb93bd22b8b5198ab4c257f1973a 00048296
- 05: d67b7886067b53b0acd4a2de0b85f844e7164752f9b9874f9803522560acb867 00051201
- 06: e293f4399f03e9408adf1eba70215f6f83cbdf86368f132bac81e5eb928f0bba 00055603
- 07: 3ee22a3290efcca7cf01040abfcad8e242f0443b52ec7b3f36005c2667706263 00059291
- 08: 94544c27ba2c692505d2e141f73f75b79b1ef4e911b74724d16571370616cdb4 00059487
- 09: 217747a64e9e8a83f22e734e4d267667e382c25e93c6e020a8b2904bb54a819b 00064883
- 10: 8630553b6a8f0bc2e0852166a1aaad5e3015c3da28eda1e7657ea04ffe3448cc 00066864
- 11: 5f06b543d18d98f031f61fd9e4baf49edbae074969b13a70c9badcb323f7d185 00069961
- 12: 0ac485eeea1d801ecff851dc028a33e896fa3bb8ac8971cc81f57f25c0e2145b 00070022
- 13: ab335effb72143f05b5c94ce9a02c8685395b2cbfa15030e8ab8e438cd5545b4 00070030
- 14: 94d0204e258aaecc76a5e4ed5f9ba99b31c3e664203874a484917a6e35471fcb 00070035
- 15: 1e09a2761f0ee103963c2ca378d9bbf173c78f9be80f9567577c170f2ce2e394 00070043
- 16: bbbfdfe5b9627a454c830d8026346e24d059f4eeebd4567a25227a4e03b62e9f 00070043
- 17: 67450bee84410e357eb20278ded93cebf8206b04cf0599812a27968208ed04e7 00070046
- 18: 86a0406184e6bef2412a556d8ebc0ea9eea8a002083cbec3d97d4b273fd3ce56 00070054
- 19: f7025f99565ad6fe568232d8a8269df95c8b027237672e4b577c638b18b81cdc 00070060
- 20: 8ffa2058ff283cf7950a087c1287faf1fb3ef1c4d56ca12903c72be5bda7286f 00070098
- 21: 0267c8a3f32cacca1882d7535f863153b508ca0f356d6d3fee66a01df0fe85d5 00070104
key image 06: 2e3d6894802e3f99770edc7ec053a52e703f30190e49416d4d6a0909f92b0c84 amount: ?
ring members blk
- 00: f570cc2ada4ea4f8cd28c59ea92e9bb9374f62f30d5ea6649c5e2e0df7395e93 00008191
- 01: c7464e9054143bab9ef75777e6595f1abbca1fd23df0e4e8e9068fddd0f3b243 00012112
- 02: 2f90c5057d82a87c863cbc4432409316657291b115ed0f650c5a73604f1a5bb7 00012925
- 03: 61b9dd95db67abf318f34f17289f7b9fa00096fa1e0d96eff5edab1d9203bf8e 00022203
- 04: f21d7b4205bc9478ba35a0b13e441bcd1d726fc65d0ee92603d0100532e26473 00029521
- 05: d5aef5378dc284012de99b5c11d44df97c05af25d4d5abfd69ba8384264e7121 00043234
- 06: ff6a41eac2f4359eb06523d16732b1a6e0a8d601135ec08cdb31664ff7b7c363 00044186
- 07: a09384d22eb4ec952494e8522661d29ccaeb35a6eb627d6b833615ae9aaa0073 00054420
- 08: 5835a1f8468b08711ab454de0e7880f0d9f2ff4223d9375f320f07a7804f70b8 00054962
- 09: 4fdaa0005301af575a34d29576d1e34ecce23342a5e22e683124fa1e42f110ec 00062175
- 10: 6e698747b57d23b66a9c3f33c1841b9fc36ce9006a6266a9ac5dfe3fd4e41ebe 00063386
- 11: 96b163513d89cc422a582bf35b9244234a0faea68150fd39e3889ce08dc3673d 00066860
- 12: 366834caca00d05604c88c861b8999eb87f8e05a49327d1facbbc932596fe0c4 00067349
- 13: 7f78f98b1f01632bd340c7a60bc2bf6a85d02ca4d5de083d0dc8f548e6f04687 00068710
- 14: e2a82fa3b995ea71328ceabfd7c88d41bd8edcf0b315cd6e9bd0dfd531825be0 00069853
- 15: ed62216042f5dbb04eb3732b936ad102a5d0a7cce6af588c99ae82bd41414a2a 00069910
- 16: 2bfc1e7b797710169d118e15c609e56dd3e6a73553c3ec9a1f6f6361b965b36d 00069912
- 17: 0da7e7901f38fe91e0349848c6c3175eb7013f34b5e03fe6435a94fec3cb6d79 00069982
- 18: dda57bcc8c29651dd090808b55037c2792550efb4a4e23fe46d85761510023a6 00069991
- 19: c6acdc9f59aecca91119db1152e76fca9cc4b57391a2a36ead0fc03ab6af7ba9 00070031
- 20: 836b54e78471ba659b863512907b981fa6c591a3be8e50b0a4a19ab23a1d7747 00070084
- 21: 768909ed4c242c7e9c68db6074556dcd5624a89deb4a30b542ec1fa6cfc17cb9 00070120
key image 07: 0cec9da8ab21e255bf4552f5af3ffc5edc06884bed56b7cae93cd178931168ee amount: ?
ring members blk
- 00: 7aa42e1982846175084be196852f224090f9d0b62df112962f0c94971f9566ad 00021557
- 01: 595eadd4f821bda740a3777232a422c61797667a665b6026c3b92b267c307124 00023344
- 02: 90973ab31da8911d1ba9f1a1e525ba91adbd06c2f061201367276a4be0db5cab 00032842
- 03: 3ce2db0e84cb5e9443e78099f749cdef1d9d8468fa47c47cd12ca8a658476ee8 00042541
- 04: dbb786b817f94b710973ec72d82809015747ba10583dd9d2bc5974973058a771 00048560
- 05: 6c0f580fc217be9cb6b899a9ae443b85ec25b0a5d2acef0d01e550f6fa3fb582 00053124
- 06: 2b465153339e41458e42e92f9a261207f7b02155eac5a700ca056738d72cc0c1 00057613
- 07: 65fb5d808cbd66f2cc619e3efa1fe9aac8453e09c40da3b0907dbdbf3dc51d07 00060849
- 08: d8f740b0b914ab29daad058c6af1fc3d6ca63e9e812bb49feca170c28b85ed39 00063944
- 09: 26cbe68966684afe3588b838ce84279d9deb1028511579053764cee670ec7a65 00064803
- 10: 9d73c2ef739edb01d07c4e719d80802a928ff9ab0f53c614285db61428f7a458 00069847
- 11: 2f8a3667e94d4b3ae4f2b3d0a845f7356264592ef40cabab06b499c919ac857d 00069952
- 12: 200b240a6b6c9fe187b4a97a4ee17f226bc234c50f864dbf05275788151c5ee6 00069980
- 13: e81d977b1bbb368e2bdc6a80d1d01828699eb538b89107855680b0cced4f8a38 00069990
- 14: e3f95b81d909cc9571528d2e435e59686e3b1b20f324db8bc43e72c845274c1a 00070024
- 15: a5cf0360f0c77af35e92b91812ea05d0d7fe66f68455247c84a748652bc4e3e7 00070031
- 16: effa718217c771b0cb19ce6ffaf78eb725e846b402538bcc16464337adb93baf 00070037
- 17: 473b216f2d19354d53f2c0bcc5d789bade083ad520a5c6a6cb0c2f9eac258e27 00070046
- 18: 935d80eb99e28a0f4fe865863e684762b076b4de8d050856b40f5e6c16cda3c1 00070067
- 19: c56e4deed25eab202cf06f7c1cd6ee1399a42c54b96576711d637587c255ad9d 00070110
- 20: bc88ae1ad28664ea2c932d38457b19c3170d86eb65656d9dc2d6249c9dc49b15 00070111
- 21: 8f51ffc9260f68440c335f278e19a4d60526f872ee0975637de1dcc11cf00e65 00070130
More details
source code | explorer version (api): master-2023-06-06-16d6d16 (1.2) | wownero version: 0.11.1.0-276fd65f2