Wownero Blockchain Explorer

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

Autorefresh is OFF

Tx hash: e486ff11d0ac18b551352cee3d74ab7b09bdb5a01253fc5db3c770f9e8caabb3

Tx public key: 2399d5253da6ac35c34a2604f6afac8f9a4620dc068cfb524a91fdc389b3b18e
Timestamp: 1544567581 Timestamp [UTC]: 2018-12-11 22:33:01 Age [y:d:h:m:s]: 05:161:05:12:21
Block: 68781 Fee (per_kB): 0.09226182000 (0.00672667168) Tx size: 13.7158 kB
Tx version: 2 No of confirmations: 563028 RingCT/type: yes/4
Extra: 012399d5253da6ac35c34a2604f6afac8f9a4620dc068cfb524a91fdc389b3b18e

2 output(s) for total of ? wow

stealth address amount amount idx tag
00: 79978b0167911ab9a1f1d07e5f5038d2c5bdd1d71a16658ddbbc2c35a2b21576 ? 348949 of 2483089 -
01: 51fd91e6d5d30600e0e3c981d8613c78ae8d1aabafa35b935ef08d5a993e9665 ? 348950 of 2483089 -

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: d2218864088fc3e437016b20e114da4cf31f556724bbc2d53ac8f5f0d3783818 amount: ?
ring members blk
- 00: fd1c1c9e31e34077f09b06e95207bea4deed7499b7460f19d3a445b6e42c84cf 00020821
- 01: e666c3fbfd3d5bd0819bb3fbc3aa945b47ee7fd79f8635aadfaa66d26fdb525b 00030519
- 02: 8399f83417e2e680b895a4cce4d5b379ada64dd163d3bbba95ec60761f024cb8 00032548
- 03: 83790c87a9a99dad860f4a78febfcf551f14ba09886d0828ea2739b761dd420a 00039516
- 04: ac8a731a164d3a6c04282c182db0de26796d99bd3cabcc4056246917a830f4a3 00043788
- 05: 3492268b867fc9bf4d05e734f2f6993d1f43ec24967cb65e7446cb3a3074d8f6 00044996
- 06: 9d981ef59d10566c6fcb97cbb2bfb5653fb9a0ed5b836aaf32f7efc381db96c4 00045488
- 07: a6d05a645639055120c3faf9a686b939563e415d0e7504d52234fa1a0de34327 00046615
- 08: a9d77f3156e1bb1fb3fd64ca95e828d1715d4d19487a01c7f68fd5406c3ddd43 00050351
- 09: 3f83cabfe881c16294c2da66152f28670587cfb09d2cd805ce6c0df237bee4e6 00053435
- 10: 52f726b338e95815eb8071f564b808440246781805575de9ed00eea77519a990 00062125
- 11: 5c488a90385bba1ab43f3f9ea993eaa687cf26878f204601357fb5682ae0a577 00064589
- 12: 10482f1c554d198fe97ea4b4e2f484eb70f70fad2033362a2e71dbe93169aef1 00068636
- 13: 420b0351f353055fa9d72b08c143019a7fbfc1787f8b40b464ec5a9d06559482 00068683
- 14: 11002da67121ef51f868dc59bc5afada01d70d5a4a7fb4db1f18a701f54cfa03 00068687
- 15: 76d46cdfcd0b3aa5f428792921057ae7326b07fb7ac7e5e179359032e16eb588 00068691
- 16: 3e1065122ac6d284e6208283f00ee6a38229fa1b37a47f22ae092baab6c30d69 00068701
- 17: 0cb6ad74b3a82d3d558c85cd02d2a364215860f7586b31325b87ef3fdbc7f057 00068756
- 18: 907a31f0b6c8f111670cdf56c704ad540dfabf6f9f9bdf39df8e1b022e6d40e3 00068757
- 19: b03e4a57d445493f70347ba5976ce9cab02e92581f476551494543c8e75e35e3 00068761
- 20: 528e3d8afaee331102f51b8de9afd8d307820aaf040b299ed062082f5a34bc69 00068762
- 21: a60af25fa2d8751e9f07acc43b546c690e5e012d68a19a9e101c1a29078dd380 00068772
key image 01: ccefa112de67ac94240970866e3ce41a9542434a38d1c0330ec850de4b20c07a amount: ?
ring members blk
- 00: 700327b74b81fd800bb90695a15506751c904c678b724d23f540584c1949be02 00005942
- 01: 369992b4a97a8f29c9e67bb20fc4f4013544f816a8022f438bd9acabf7939541 00006364
- 02: 2dcc297e6ad3ad1a27da21450afa5edcff163c2b72e0e5ebc74c022ac9262676 00032797
- 03: f219d8634bb104643095687e7fcf744328c369dab543cc21a641773df3695a73 00032804
- 04: c5ea723d78a9f98c6553f4534aadcd8d0fa280fccf19e554cea3f8ad0acaa3b5 00039517
- 05: 4382a30d24d57b75b87549b095a520771cca5b3a7842314456edc397743ccfd0 00043958
- 06: 5b7919ba3e0d7f88a57be47352478dd2f93e2fe79d886b89eba9ccd4a9e77d7d 00050886
- 07: 2cf3be475cce8a79895ad989337f090ec4cc3a15eeeeb779e4cfffe53c6d1be2 00055618
- 08: 44a639694f208c5baa83bee70feddea24b1e9b0b704164de8f50ec5666273b0e 00056854
- 09: a4bb095eb861975582cdea633b63db84dd09ba553fa56335ef11f82495c0b15c 00058197
- 10: 13b10024935da18096be0245d1927aecd516e8d07309b157a4cd66c546b28937 00061910
- 11: 93afacb41abe1542208a09d26c5f31ea502b788d954c0d285945014e83905792 00062119
- 12: 96398b84ba6e7a60521317db9d4b7b58213814cdb7cf633d6cd9718f3dfd323e 00063508
- 13: 6d5246efa2ebfae4070dfbe48eec01af0346fd1cb61fb7748376bdb32abf9e9e 00068484
- 14: a55aac939358c34796dacac9e815ad8d3dee63c8045389139eebf41b6eae5073 00068645
- 15: 550c38a64af4076e785f0acbcf1d7eeb78945250d1ffd76639213829993e290d 00068671
- 16: 9453cd56058396581e09e9f453bc25b6e2d82378075ac83b54d2a6805291128b 00068687
- 17: 6c844be3769bc1aeed724a45d26aaa707d2acb727cc6db6fa0a461e30602c5d9 00068687
- 18: 26555fc52335f9640923a7afd3d1192385ff7bc2664d2c6cc61b3c2dc8121f2f 00068692
- 19: 0fcc72b2f1e488bd55da616aed27997f1fe751dd0a51e72d9828f0c4da94b684 00068693
- 20: b42aec9b5a598c1e99831ba0bd7e53b30975458d536b03dd23c4763cfd8b1f05 00068744
- 21: 39239a47d421b4c28d8a3187e7cc27bbe8c3ff507ef160f58e245e29e9b088ca 00068772
key image 02: ca3899178e2e456bc454311faa3a087e5577ceb7a4ec2a2ceab4e85098383cec amount: ?
ring members blk
- 00: 310b5a70624afdeff8f6f7e24235f00f00290032cfa1e8be8968951faadc5516 00010959
- 01: e5131867bdc06cf2838f8ccef0e33c33fe76d753a8a7363339e94ae8177fd1f0 00025145
- 02: 56c89ff2c1958df000e2a5a3cc8e3d3945619be61b5a3498ed1a1343747e7420 00029214
- 03: e3b4f008ed30416b7058c93e86c90af91e924ac3487480b605e3a7727a30ef65 00034826
- 04: 7f8a9ce6e5abd270c2f0fb3486f3df7076c87c5cb68e9bb92ce05ce85ab80563 00038680
- 05: f4c6894c843153a106ad1014429dca1b514ad4cd95d1e918ad2878a47d55bced 00040041
- 06: b7f17b7e129544a6f96d013fe8978182e1756f5af89886b705b85dd72ce6236f 00044610
- 07: 1aefe4c1668c526752079d722232e10bbbfad5464bb8e1563d2d708d40edb77e 00046050
- 08: b5d78312e5c1690e210dd3f80b4c369f2d3fb4d98fab333f8390d843a061a047 00058485
- 09: 75562d8deabbdbbfb959b774a43a1fcd5258afce9668f84898d7ee1ee5479c71 00059325
- 10: 5fdab5dd5a7cdcca911e3efd2e06b6226d190bed27ff9844d0a61aa4f55920db 00061094
- 11: 9b14565049e0ab7e04dfe8ca179e0b0dc521c66950e9bd0ec3e9084e18a6a8df 00061889
- 12: d4ddfa12fa951dab7185eba1f9bc6626f3673fd68956dd3956c6f0592d320e56 00063942
- 13: 873155f6d8f518e9149a5ade82407376a2e8af9c70260d087991cb32cf708b06 00067350
- 14: 5f88ae3b06982f26e4ddf6509962083f9cf665a5eff7a6a05f45e864c0652c6d 00067815
- 15: 900641e27240e2cb66269a0bba2689321a684fdb8b3af6aa48d310dc49404099 00068525
- 16: 6781d4a1185eff96e96b7e497e50d8321601b0bff343b850716ef5b17fb1ae17 00068566
- 17: 2a100fc77669a08fc37f880834f6a2df95b43891b32865847168be4ba37245ac 00068588
- 18: f22db4c548e8d5b1ab24d97fba8fcb2b78ca8819c8549b52615c838b51db7d65 00068656
- 19: 8c0b390e5e5b62b249d675a2800088f8f1e6e3026ba96e60c594323739875eac 00068681
- 20: 8b924fff5d213dc0155f33bdebebcc7d66b7e8240a245f61f5582bdb95106041 00068744
- 21: 4720af209a1a4a04c915efaf1c647783ad14045e1c0041b590cd2916c375671c 00068771
key image 03: 920ed1f4285122727efbd626c794f1c6453971eeecc2c9d442b5952fc94a8456 amount: ?
ring members blk
- 00: d2aca5585a5409fd9aed0ff718368c727820f587a88a1c59518ec05813dc4c17 00010525
- 01: d9397c5c017518079369a2ec1f1b4ccff519d7230ff94d182f59349331617f22 00026674
- 02: 38185785d8896ae356cfd16d7f9d8ada97957fb5d267ba4506c3373ab7454b6e 00028371
- 03: 39a927dc78c72f8771f553eb0246d7ef916bdc5790ba161fae2644c2b95857e8 00057280
- 04: 807991a7beca4e3bdacd748706eda49ceb18e32e8fa7b3710b377acb0d7d43f1 00059150
- 05: 1c4ff28a75b646184ebc9c79db4008ca4c30c1775c8a0b0f0a080555930f7367 00059599
- 06: 64f3d32243689c6b1047e955340574f2dde7ff769a60812b3daf55d3abb71634 00060258
- 07: 89b1037b0fa1be7565950d7ddbd34296763cbd975acadc144e97a242e1107d30 00064707
- 08: c2c5147dfdc4a8f8285421bd7a6a77fb5e7ff0ac9235ce82719eaca2f211ae62 00065801
- 09: f7be4672b63ef7a589d82b124f510678c3ce179c608251653f3f4db7c2341a39 00068468
- 10: 0ecb1676b8c6d8c8530ab0764758ea4002877c034869f3741308e1bdc6582ef4 00068485
- 11: ea2237464e66da21a92f903a161b1011fe3a1abe7c972f10ddb70c472b6b6361 00068500
- 12: afb107e044fbe24a7b4257b125a710ee313a2246ae542b6af07edecc42cdcecf 00068501
- 13: 4a76b44a9c887e4c36fe1ad8524ee9f364d4a7c3d51d69a8a528bc6cdd815cce 00068528
- 14: b1281590291c3b347c6d02821a46764be7ebadb843cd81b9326742ff1227fbbe 00068626
- 15: 17b3c1bdb7a9747ebcfa61a411536bfecc21516b9ebf282fb179ad9ce9817aa0 00068672
- 16: 4e3e11ac8a70e96cbd94676e7130e23ddcc839a1c0bfa932b60932a1f965b79b 00068708
- 17: f6ed6779fcbd9a4fbd36e202c1d42b6374897713a2a2e2df0ed8cde6731baa8e 00068745
- 18: 1fa1bb76fc5deb9f6ef84724f21771bfac7eb0b330821348cfb17d1b3efd9016 00068761
- 19: a81d7338ff54ca994e9739552b045a2fd41201cc29a5a1b82ab39658a2513257 00068762
- 20: 469f16b16591a7b582b1ab6345c26ca581246083bc249abb9b9ba5c1845a15b8 00068766
- 21: 0e4da7dcad5bd6b832e17d6e3d6d2115c92992a01e65e8c87c13e761603cfae7 00068771
key image 04: 66169fc392ad2b8046c5419e700f1ed0423360dac6c88fb7378d75ff077ef000 amount: ?
ring members blk
- 00: b31d3ce865e42de7eb0a70e1be68ed9bde4f2056fcfa89c4f82b706f69bf0442 00017954
- 01: 555ff0c45ad5d7d07ba11356f2505f05bb06e81cac8f2ac1c2b1e203c0bae170 00027002
- 02: 68469ea9a4721790d7421da312d37b038916e10cef86f8f1f89a6fb7c8d2ebe5 00033649
- 03: 62b3c69f95eb15a0fe05eeaded17ea91d4c44a1c58aefd4880b7cddbfc31053c 00040246
- 04: 5d14f588ab759895584effc20ed813cd8e8d297106d2fd637d3bd3477dd5ca77 00041815
- 05: 510e3d1746e4a6c8812884708503f9274324532da05227bd892a1f433caa5bc7 00044023
- 06: c25b3d3c4523f7538923a3fe5d3adc28db3fe7199de5b26941e54548bdd3b336 00048228
- 07: a39729bb61f211d35d374a9a24c20d317f31bb6574918d06ac52958ae000d1cc 00050492
- 08: 0686b579b6d52805da30a6f7779b9f7850cf33377d06ce0d83dfaf4f1167f645 00062298
- 09: b1607bcccce431b3bde43c82169307f266d3380751110ac723fc4583838a181d 00065079
- 10: 77af44d8a2866f475797b4366e6b6fde013f913a04a1d6afbeb51f6d6c2f0276 00068490
- 11: 3e4340ef8ae4fcd71a2cd38f8972f797083a551f82ea648be7ff1a7c46045857 00068505
- 12: 3b223cd5d65e3d7b4d9ffebd62aa9a07cdd5fb16bd60fc2e2af2463c31696090 00068548
- 13: 1a9890aeec44dcb17a1a02bfdb6a6c1978ec40f1dccb7ae21ae59f1ba79401e3 00068566
- 14: f421b7a67edb51e3f56f0c7f5a43d6488de2ee2040c428f3ac3649f7ed969710 00068585
- 15: c520026e2fb4a3e31959b3fd609dbe124d680c61e6850e67d4146aaef69c3129 00068596
- 16: e418d3ce2a7e70a09cc9cc1d1918086e05fab057014db7a5838c15b2fab4efbe 00068619
- 17: a5a2155c81c991b0936519b272e2f0084584dcdcd9f49e5fcf0ab2e7a1c8c7a8 00068670
- 18: cc7c632f621c01b1fff157a8d398252de83ce2878a84dcd817c1165fcf03b151 00068701
- 19: d6d80b298035c57237bfade21ff3d437d1dcac0608833a078a30870d802d5e4e 00068715
- 20: 1db6953ff50da64d50958e90ae874cdcbbcc69dc4df77c1d76be433588eeda3b 00068772
- 21: 4fc40d2785826d0fb95ba2bfeb8b779275ec654982f99d4795c3e715ca224323 00068773
key image 05: 645c81a1ae0d5127e15beb74a568db69951d6f67f36f827447384c7cd728f0aa amount: ?
ring members blk
- 00: b4c6253504bb8932e86601cdc8f83f245db5e3deca6169ec30b6521446a7d11f 00044924
- 01: 16983c48c508b4ba9bfb3ed3d6b7a810076c73292b834cccbda708e6d3b14332 00045476
- 02: 4af04dd800bbbbf8eae919d64afec6bb93ee0c7dd55ce6151f0571490fd24654 00048154
- 03: 6f4ebe994f0257fa6118df5cb64c0edaf6761b81a965b9087c53b9eb1e8c569f 00057418
- 04: bc004a8405222298ca12856e638b9c1dfcdf31640250fb277dccc5b5d72c787c 00059231
- 05: 47962456b756cb0f242cecc9ba31e04b0ba7cdb706ad77e9f7077a0907bd3265 00060340
- 06: 681c4fb62c348c6453f292276413e9fbab57c9e81a7a31ed4b475ec5b137c90a 00060945
- 07: e48f661a91aa53fc09d9bd843f467de7323aad4ae954a989cd1f1b963c813093 00065642
- 08: a689cfa3b068a743d4e934a28b147f117bb9a171898507ac0d171f316b375f2c 00068398
- 09: dc34d9f8fb219db91379dfb692abbefd0cfbc439cc1d94791a96e3f84a2caf73 00068552
- 10: f3823b59690404f75c94de026cb7da0037e8eecbe5d1cbc01872eae3b1fa55c7 00068570
- 11: e418d3ce2a7e70a09cc9cc1d1918086e05fab057014db7a5838c15b2fab4efbe 00068619
- 12: a47b9e2c25e7cff2cc9b97c55a4f231a3d6478c7127b1f8e2dd6f02601d9c1d4 00068642
- 13: 550c38a64af4076e785f0acbcf1d7eeb78945250d1ffd76639213829993e290d 00068671
- 14: a1137f4763adc40da0edea4342ef353037c626b8af450b34f8150688c988b5b2 00068674
- 15: 9f282f9ab9baf71b6aacdd23be1ce21b4c38ecdcc316c0cd78886183e40d9479 00068726
- 16: 4b33df6366740b504ecff9f8a6f65717e93f5d91d87039a4cac106462d143ad1 00068738
- 17: b9486e8b8b1214b0efcb53ee45e3ac54ce10ea5135c4ad2c75435f5eca8a2977 00068761
- 18: 528e3d8afaee331102f51b8de9afd8d307820aaf040b299ed062082f5a34bc69 00068762
- 19: 830de383a59198bf794c73dd6fb5c3c048dec7b61ad2596a01dc7ade993c8846 00068772
- 20: 4fc40d2785826d0fb95ba2bfeb8b779275ec654982f99d4795c3e715ca224323 00068773
- 21: d70715735747590f2341a345f1cdf38d789a57f484ce63dfb867162b591f5f15 00068773
key image 06: 55f4717f064ef26b21644aa239d3cb393a5d8e074352372d8cd991b658e96f82 amount: ?
ring members blk
- 00: 873087130e12311ac92183bb3f6a7436f2c182ed2ae645a7130c7da7334b9c31 00009327
- 01: a175df65adf83ed675c1b3afd89217d7f97509ccb106848bb68a4a5870534968 00013035
- 02: 39a5fff2f6df8743ed1062ddb0b526d8e96561b3950c624c786576345b655b2f 00021115
- 03: 255534d58e084fa84f757ac4e8bc301ad684a6165c1b3e16e00517cda73a02b8 00030478
- 04: 28ea7e1f432f44fb43f8f74be9565e6332fbc5e9f117dcd64725624bd5b0cd19 00039497
- 05: 713bbac609210d0a6bf072f11286e857b3c7c745436247e07ae24b9a23b947aa 00045209
- 06: b24b2e0bea6bbf0bb63668e1096ddaa93681b732d42e9f782188b89570678acc 00047188
- 07: f76c1e91e58f14ef555838b5bbc181e4c0284cd648c338b39bf3d44b6b6656d2 00051945
- 08: 828263fb6778db94474d48aca4ba7531b0909076859c7b62cadf3faa2bddc05f 00056576
- 09: 38f3b73400ec8e2d95db258be7e7352d904baa09f489e248e68ccee301d748a0 00057783
- 10: 3311cffba1c22751a6bb99bd3f2af424d65b1d4a958205124fe98e93fe387285 00060420
- 11: b68cb25a87288be8cf4f813f6e1b33447fb1ecd6ba82f920c57ead9644e257c5 00063917
- 12: 19e079990d32e62eb60f844b96e830665dc3cb4201773167d118a687b4208fb8 00068497
- 13: 8efe882da0318ad20f5a7ccc919cf21ccd567c379128c947038fc8d0722cc5d1 00068510
- 14: 9bf5536157be6135f3c92a99b8c474ac80a29f44b66e50d6d52d66d009eaa7a9 00068585
- 15: c520026e2fb4a3e31959b3fd609dbe124d680c61e6850e67d4146aaef69c3129 00068596
- 16: 021b1bdc1c7122fdba34256cc24f346a9051dc16eaa72beb2efecd9eff97bcdb 00068613
- 17: 2b513633537848e6876a899b9621bf070a88fcd1dea9ccf2bfc08b218f062d68 00068720
- 18: 3504835fa5020abc02899d9c443e22defc120e2a4efce24c264962b30fe5804a 00068733
- 19: dd4d333f0a1c28aff13cd89662ac0704d14d56044b5baad2463d4604247d1db8 00068744
- 20: 1d75d2ee7161a703ecebfcdb971ee3fcfa44c3106672169635d4754920157d76 00068756
- 21: 1fa1bb76fc5deb9f6ef84724f21771bfac7eb0b330821348cfb17d1b3efd9016 00068761
key image 07: 28ab52c018b44311176ff74d7177a4fdc2883de3ad6caba6db11e752dfd48653 amount: ?
ring members blk
- 00: a92e547f1a7927d4925f0ef3ae62a7bf4d2b3c0b2ff2f246feb246889ce71954 00009423
- 01: 16151ceb2b558308f95023d33bad102023b02835777c0892e45c847b1ae2f430 00016041
- 02: 558c9929bc758ffec54f51630976387ccfb25deb5a5f9d7ca5a4d54e1b0d4cc1 00021715
- 03: d3955944b96df9a331aef4719c1e9b5ee7f793af4525613b4cff9c3c98553bf9 00033583
- 04: 20c661897ce78f700de5208a8b3303bf71e1118a11d853858112de70464ae107 00038030
- 05: de526fe239301030f430df34c973e71228944c044d08160dcd98adb22fe6af80 00038525
- 06: 34b7928e5cd4ba20d7862445103a660d21a3c69ee3b5b69e656d79138a76fad6 00043440
- 07: f19ee7bb9725d1162a7546aaf72a77815e3647bfe733e60010c6c009a4db82e9 00044076
- 08: 3c30f4ae5674b36f195f6e27c80bea870c6f796133a678841a5b104a1a927694 00068506
- 09: 3fa4e69b373dbed0918ed0d39bc5bd209ef72b2450cdbc6d65ae2c2e461db561 00068570
- 10: 46b448957232c8dc4656cffa84d4c0f5df50e72a7a40868fb783a299aa78bd24 00068577
- 11: 0671860b5ad5d219a84fc1da9a8f94b1c30fed7131e48441e43dbf08e5055317 00068585
- 12: 53b0596683bb27ec93eec803a35aa9d27a2d4517a8069d1042054f12eb0f55d7 00068609
- 13: 613772461fda6390ec9d20b2cd0a3dc705dbbf7dae3b816a9a28e2d8bce006ba 00068614
- 14: a47b9e2c25e7cff2cc9b97c55a4f231a3d6478c7127b1f8e2dd6f02601d9c1d4 00068642
- 15: 7430c4098f21a094ad7a20aa357ad747dd45f830f433e1dd59a06fbeb221fe3f 00068649
- 16: 71f0fb02dd8a3b9008871658a373d4e035c3abac5cdc8dc0b281d495bcd1b7ef 00068671
- 17: b48607b08911c1575738dd1827dc1f13e5e07c7b31a0f779cb5352a6240b164e 00068693
- 18: 296f12cae60de365fff364096737c8ac7a6b2dfcfa9de4e2cbc586a3c08e1f79 00068704
- 19: 4e62baae43a72c424c1cac507b69f1a3aab05869f91634a81a1dd0ad8758984a 00068705
- 20: 4d2e85ec348e7b31cb4903009e0c32501fe2433f34477fe42187f190de9925fe 00068732
- 21: 92546e6adb00d3437d4768ec33567dc2ba7d5b66579ea8fbc5723df391e07f44 00068744
More details
source code | explorer version (api): master-2023-06-06-16d6d16 (1.2) | wownero version: 0.11.1.0-276fd65f2