Contract Uniswap V2 (UNI-V2)

0xAD6BAd70573212D14F4e215ca4a9a81D8527b400

0 ETH

Including Tokens

1.834516 ETH
510.66 VEF

Confirmed
Balance0 ETH0.00 VEF
Transactions3250
Non-contract Transactions1
Internal Transactions0
Nonce1
Contract typeERC20
ContractQuantityValueTransfers#
Wrapped Ether1.836400009452545101 WETH510.66 VEF(1.834516 ETH)3317
Meme Pepe0 MEMEPEPE-1
𝕏Ð57346853.865202808 𝕏Ð-3342

Transactions

0xa343f78a7cd793e30eedda45d26fec02739a764ab100d60870e253354e9d1b9c
mined 22 hours 30 mins ago
Unxswap By Order Id (0x9871efa4)
0x80C493a208DE8DDC094BC9CBc207F99e1B2C6C4f
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x80C493a208DE8DDC094BC9CBc207F99e1B2C6C4f
 
Uniswap V2
44334.947727588 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.001416559862711165 WETH0.001415 ETH0.39 VEF
Fee 0.000331142541084366 ETH0.09 VEF0.09 VEF (2.167759077 Gwei/gas)
6720 confirmations0 ETH0.00 VEF0.00 VEF
0xeca72069c9e402673e182efa72cbfabac689f2b843b2f7fb64b6f72ae0a9fc64
mined 9 days 3 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x3d0e3ec5)
0x91AbC509Bd468979da991c111e0e6eBa78f02903
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x91AbC509Bd468979da991c111e0e6eBa78f02903
 
Uniswap V2
3172714.883108172 𝕏Ð-
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.107396941142678646 WETH0.107287 ETH29.86 VEF
Fee 0.002235403735117269 ETH0.71 VEF0.62 VEF (14.175848559 Gwei/gas)
65446 confirmations0 ETH0.00 VEF0.00 VEF
0xa07b1271074e7d779be6be8a0ac780ac49a6e71fe8588a5edd0fbf6f051c5cf4
mined 9 days 3 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x3d0e3ec5)
0x02Cf562FA7503C4743AE6A38737CFbC227466deE
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x02Cf562FA7503C4743AE6A38737CFbC227466deE
 
Uniswap V2
3708732.111816389 𝕏Ð-
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.142651330265071648 WETH0.142505 ETH39.67 VEF
Fee 0.002282203045072212 ETH0.73 VEF0.64 VEF (14.472627132 Gwei/gas)
65476 confirmations0 ETH0.00 VEF0.00 VEF
0x801250db18d676fe48838377a02ab9641278161d45da7d98c61841d21a114d01
mined 9 days 3 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x3d0e3ec5)
0x7C7A2AD5037701593D76Fad7fb0AB0902366EFA3
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x7C7A2AD5037701593D76Fad7fb0AB0902366EFA3
 
Uniswap V2
4422716.105199812 𝕏Ð-
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.200144791973276607 WETH0.199939 ETH55.66 VEF
Fee 0.002191161663682705 ETH0.70 VEF0.61 VEF (13.895286755 Gwei/gas)
65490 confirmations0 ETH0.00 VEF0.00 VEF
0x2e5ec772d767ec8c175db6ce16dd860bbc14c3b86710abbe399adacca52847c6
mined 9 days 3 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x3d0e3ec5)
0x7f23476f3685faF5368ba1BA2b3dB0D44414924E
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x7f23476f3685faF5368ba1BA2b3dB0D44414924E
 
Uniswap V2
2816879.375621148 𝕏Ð-
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.148807139857735552 WETH0.148654 ETH41.38 VEF
Fee 0.002394824216363572 ETH0.76 VEF0.67 VEF (15.186816092 Gwei/gas)
65503 confirmations0 ETH0.00 VEF0.00 VEF
0xac6f43cb188a3b274ac01013f1ee5720a68c5ba911d13da0bddd9253cb2ad2b8
mined 9 days 3 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x3d0e3ec5)
0x0FE52b5b5AA3fFf32B7808a533028ebFB072cA68
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x0FE52b5b5AA3fFf32B7808a533028ebFB072cA68
 
Uniswap V2
3280341.364247705 𝕏Ð-
Uniswap V2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.199733919049106054 WETH0.199529 ETH55.54 VEF
Fee 0.002451058855500596 ETH0.78 VEF0.68 VEF (15.543428956 Gwei/gas)
65514 confirmations0 ETH0.00 VEF0.00 VEF
0x6cc15c812dff9b2c002368b19ab5dd8356e8c20bf1b951838a78de90b71b669a
mined 10 days ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0x3E2097827619627C776f7A4B5dc9d41dB9852791
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x3E2097827619627C776f7A4B5dc9d41dB9852791
 
Uniswap V2
57653.774311293 𝕏Ð-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.003803660530695339 WETH0.003800 ETH1.06 VEF
Fee 0.001118797723556838 ETH0.36 VEF0.31 VEF (7.965410934 Gwei/gas)
71878 confirmations0 ETH0.00 VEF0.00 VEF
0x7282045806f8af59730af577d49d7bc04d665414ae5001e23a9c44aef49faab2
mined 22 days 20 hours ago
Unxswap By Order Id (0x9871efa4)
0x98D31c3593Dd6ee1B098202e7b69299E796418af
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x98D31c3593Dd6ee1B098202e7b69299E796418af
 
Uniswap V2
292976.55924781 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.019500161944249328 WETH0.019480 ETH5.42 VEF
Fee 0.00039076519920836 ETH0.12 VEF0.11 VEF (2.557866068 Gwei/gas)
163706 confirmations0 ETH0.00 VEF0.00 VEF
0x1a6ae2d90c7b32588b4c07341edb4072eca5e55cd15cb0a2ae4a23b95c00e51d
mined 31 days 19 hours ago
Execute (0x3593564c)
0x63C69229a88f094013b50A13F8F6c9259139eC68
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x63C69229a88f094013b50A13F8F6c9259139eC68
 
Uniswap V2
100927.665698649 𝕏Ð-
Uniswap V2
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0.006784547980111067 WETH0.006778 ETH1.89 VEF
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0x000000fee13a103A10D593b9AE06b3e05F2E7E1c
0.000016961369950277 WETH0.000017 ETH0.00 VEF
Fee 0.001400221414857876 ETH0.51 VEF0.39 VEF (7.056891804 Gwei/gas)
227719 confirmations0 ETH0.00 VEF0.00 VEF
0x9a4889bdccbd5fcdb166dc838e241c3f890bf4fc0c293220e6bbb5d2316e8206
mined 37 days 20 hours ago
Unxswap By Order Id (0x9871efa4)
koreai.eth
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
koreai.eth
 
Uniswap V2
29551.350004378 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.001993057448696921 WETH0.001991 ETH0.55 VEF
Fee 0.000558269906954644 ETH0.19 VEF0.16 VEF (3.652594882 Gwei/gas)
271066 confirmations0 ETH0.00 VEF0.00 VEF
0xc90f0affaea89b9dea8f101c2d3bca656e4866f735447b9d78e12312131d892b
mined 80 days 8 hours ago
Unoswap (0x83800a8e)
0x3FcF98C13EE2dCA35bb0cf8ac954CcA80dd70ce9
 
0x111111125421cA6dc452d289314280a0f8842A65
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x3FcF98C13EE2dCA35bb0cf8ac954CcA80dd70ce9
 
Uniswap V2
57017.999544837 𝕏Ð-
Uniswap V2
 
0x111111125421cA6dc452d289314280a0f8842A65
0.003853963239448846 WETH0.003850 ETH1.07 VEF
Fee 0.00169347702902508 ETH0.53 VEF0.47 VEF (12.91429269 Gwei/gas)
575366 confirmations0 ETH0.00 VEF0.00 VEF
0xc753490f0c93815411f160eb5bad6003e93ac48c130d8fb84700819cc374cfa5
mined 102 days 15 hours ago
0x83bd37f9
0xC1956609f8B5BF20B83A58ceFf6026e456189e42
 
0xCf5540fFFCdC3d510B18bFcA6d2b9987b0772559
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xC1956609f8B5BF20B83A58ceFf6026e456189e42
 
Uniswap V2
247378.458243793 𝕏Ð-
Uniswap V2
 
0xB28Ca7e465C452cE4252598e0Bc96Aeba553CF82
0.016850863776479134 WETH0.016834 ETH4.69 VEF
Fee 0.0007203588 ETH0.18 VEF0.20 VEF (4.2 Gwei/gas)
735124 confirmations0 ETH0.00 VEF0.00 VEF
0xe01d757e2aa4487e5f0d95f3f7365dc1b89c0e4d1a322a5710ca538797fa97c6
mined 107 days 8 hours ago
Execute (0x3593564c)
0x91DC0e3c0647F9b6c0964413887b6E5d86C64Da5
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x91DC0e3c0647F9b6c0964413887b6E5d86C64Da5
 
Uniswap V2
125494.607528826 𝕏Ð-
Uniswap V2
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0.008629998220625613 WETH0.008621 ETH2.40 VEF
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0x000000fee13a103A10D593b9AE06b3e05F2E7E1c
0.000021574995551564 WETH0.000022 ETH0.01 VEF
Fee 0.001551278147532671 ETH0.41 VEF0.43 VEF (8.553254713 Gwei/gas)
768802 confirmations0 ETH0.00 VEF0.00 VEF
0x4f979bd80f71d2ce9e616b28a74fe5b094a77e4c5e59107a9b1b21bdface4432
mined 111 days 16 hours ago
Execute (0x3593564c)
0x804a2E4436c837b11B8515d204F8ea779ec111a6
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x804a2E4436c837b11B8515d204F8ea779ec111a6
 
Uniswap V2
2998557.365557978 𝕏Ð-
Uniswap V2
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0.224100726722663176 WETH0.223871 ETH62.32 VEF
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0x000000fee13a103A10D593b9AE06b3e05F2E7E1c
0.000560251816806657 WETH0.000560 ETH0.16 VEF
Fee 0.00462725265622716 ETH1.21 VEF1.29 VEF (23.336961147 Gwei/gas)
800036 confirmations0 ETH0.00 VEF0.00 VEF
0xb91ff57cef3b004c5bbef0cc1da6f966d94f4e06cf010f1bc38d6f23f0ede2d4
mined 114 days 15 hours ago
Unoswap (0x0502b1c5)
0x7b37A8B9A797f962fDE1EE011203f775113a4954
 
0x1111111254EEB25477B68fb85Ed929f73A960582
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x7b37A8B9A797f962fDE1EE011203f775113a4954
 
Uniswap V2
96788.157075702 𝕏Ð-
Uniswap V2
 
0x1111111254EEB25477B68fb85Ed929f73A960582
0.007855543573065408 WETH0.007847 ETH2.18 VEF
Fee 0.00132228320942201 ETH0.35 VEF0.37 VEF (10.277824315 Gwei/gas)
821015 confirmations0 ETH0.00 VEF0.00 VEF
0xe5aa57d2b7eed5c78a2177f31c73cbcefdd5a590d77ef4a954d5529cb803d13c
mined 115 days 18 hours ago
Execute (0x3593564c)
0xaB2A460fea0d14Bea3412076a734384fd1827272
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xaB2A460fea0d14Bea3412076a734384fd1827272
 
Uniswap V2
1178702.299893088 𝕏Ð-
Uniswap V2
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0.099180150292057559 WETH0.099078 ETH27.58 VEF
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0x000000fee13a103A10D593b9AE06b3e05F2E7E1c
0.000247950375730143 WETH0.000248 ETH0.07 VEF
Fee 0.00200392258962316 ETH0.49 VEF0.56 VEF (10.09639604 Gwei/gas)
829172 confirmations0 ETH0.00 VEF0.00 VEF
0x2e818f1e773b6dc4df3e6e53800ec50ac8f9c38bd85925d29e57479df58129b2
mined 115 days 21 hours ago
Execute (0x3593564c)
0xaB2A460fea0d14Bea3412076a734384fd1827272
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
0.1 ETH24.70 VEF27.84 VEF
ERC20 Token Transfers
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
Uniswap V2
0.1 WETH0.099897 ETH27.81 VEF
Uniswap V2
 
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
1181656.440995576 𝕏Ð-
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0x000000fee13a103A10D593b9AE06b3e05F2E7E1c
2954.141102488 𝕏Ð-
0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD
 
0xaB2A460fea0d14Bea3412076a734384fd1827272
1178702.299893088 𝕏Ð-
Fee 0.00166855402593425 ETH0.41 VEF0.46 VEF (8.87930195 Gwei/gas)
830000 confirmations0.1 ETH24.70 VEF27.84 VEF
0xd21b331928fffd9079630c8ba0d1629d98cc41e3f5cafe00ff37c0ce908ce703
mined 131 days ago
Unxswap By Order Id (0x9871efa4)
0xa05CA25a10aaE47553BD457C6ADB2c1A83443EaF
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xa05CA25a10aaE47553BD457C6ADB2c1A83443EaF
 
Uniswap V2
274278.390106641 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.02248460638731709 WETH0.022462 ETH6.25 VEF
Fee 0.001196547450099942 ETH0.32 VEF0.33 VEF (8.087075049 Gwei/gas)
938399 confirmations0 ETH0.00 VEF0.00 VEF
0xac14c68633c186b2398e842b7f0089e91de225d71a65c06a4044f6067616c1b4
mined 132 days 3 hours ago
Unxswap By Order Id (0x9871efa4)
0x627334636EC6E7AAD8F4A7704f20c933775c20D2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x627334636EC6E7AAD8F4A7704f20c933775c20D2
 
Uniswap V2
1089393.753950193 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.092829923335014064 WETH0.092735 ETH25.81 VEF
Fee 0.00321294508513706 ETH0.85 VEF0.89 VEF (21.02960483 Gwei/gas)
946549 confirmations0 ETH0.00 VEF0.00 VEF
0xe696d5b3dc1b8b992240711d1b6b8f83d5ea64b2d9be126f5c2d57ad75a8cf38
mined 133 days 17 hours ago
Unxswap By Order Id (0x9871efa4)
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
 
Uniswap V2
92570.322652332 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.00815810205557375 WETH0.008150 ETH2.27 VEF
Fee 0.002356850472699342 ETH0.61 VEF0.66 VEF (15.428654949 Gwei/gas)
958032 confirmations0 ETH0.00 VEF0.00 VEF
0xdde45d7e8eaf92cb12048cf77dacac22cb8d78381dd61c7951e1044a2394364d
mined 134 days 5 hours ago
Unxswap By Order Id (0x9871efa4)
0x95267488590E85ACB37091C14bB2af047b5d9804
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x95267488590E85ACB37091C14bB2af047b5d9804
 
Uniswap V2
1091332.333140064 𝕏Ð-
Uniswap V2
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.099591123870863328 WETH0.099489 ETH27.69 VEF
Fee 0.002875481044754752 ETH0.76 VEF0.80 VEF (18.820810336 Gwei/gas)
961353 confirmations0 ETH0.00 VEF0.00 VEF
0x81b89fd1e663af29850207383ee27efd49b85ba5385035559bac1d72e816e2da
mined 135 days 3 hours ago
Swap Exact ETH For Tokens Supporting Fee On Transfer Tokens (0x088890dc)
0x627334636EC6E7AAD8F4A7704f20c933775c20D2
 
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
0.1 ETH26.51 VEF27.84 VEF
ERC20 Token Transfers
0x80a64c6D7f12C47B7c66c5B4E20E72bc1FCd5d9e
 
Uniswap V2
0.1 WETH0.099897 ETH27.81 VEF
Uniswap V2
 
0x627334636EC6E7AAD8F4A7704f20c933775c20D2
1089393.753950193 𝕏Ð-
Fee 0.002982763097895126 ETH0.79 VEF0.83 VEF (17.951798319 Gwei/gas)
968194 confirmations0.1 ETH26.51 VEF27.84 VEF
0x549e7e6f1e9a603bef2578fc27a2be07daa58358ce2b52bb23b42cfaadb0f8c7
mined 135 days 17 hours ago
Unxswap By Order Id (0x9871efa4)
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
 
Uniswap V2
931302.111243787 𝕏Ð-
Uniswap V2
 
Uniswap V2
0.084575033262843205 WETH0.084488 ETH23.52 VEF
Uniswap V2
 
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
3309868972912.995419998632692719 XDOGE-
Fee 0.006145870052687559 ETH1.63 VEF1.71 VEF (28.250249609 Gwei/gas)
972170 confirmations0 ETH0.00 VEF0.00 VEF
0xd5cfc64d758a3f3219aca238e2fe34b603419f7bb93eaae6cfc2143d839cf1ba
mined 135 days 17 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0x513CB622E4e9A69812B046e8c3d2e3051562d273
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0x513CB622E4e9A69812B046e8c3d2e3051562d273
 
Uniswap V2
1165253.281472325 𝕏Ð-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.112671459670272377 WETH0.112556 ETH31.33 VEF
Fee 0.005245553689207623 ETH1.39 VEF1.46 VEF (36.109243467 Gwei/gas)
972266 confirmations0 ETH0.00 VEF0.00 VEF
0x1427b924b4ef072f3c2c967fd56dcbd6a50be8489f89a474697e8df3c0d810ec
mined 135 days 17 hours ago
Unxswap By Order Id (0x9871efa4)
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
 
0xF3dE3C0d654FDa23daD170f0f320a92172509127
0.1 ETH26.51 VEF27.84 VEF
ERC20 Token Transfers
0xF3dE3C0d654FDa23daD170f0f320a92172509127
 
Uniswap V2
0.1 WETH0.099897 ETH27.81 VEF
Uniswap V2
 
0xAd285eC6f65BAE3e86a4e02C944466Cd01f9eE21
1023872.433896119 𝕏Ð-
Fee 0.003715152926804408 ETH0.99 VEF1.03 VEF (24.485450552 Gwei/gas)
972279 confirmations0.1 ETH26.51 VEF27.84 VEF