Address

0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62

0.001299180490220956 ETH
0.23 VEF

Confirmed
Balance0.001299180490220956 ETH0.23 VEF
Transactions281
Non-contract Transactions273
Internal Transactions0
Nonce252
ContractQuantityValueTransfers#
/grok16000000 /-1
Ai TWEET GENERATOR271999.064170220914794056 AiTG-1
ApeCyberPunk11742.80045046 CYBER-1
Architect0 ARCH-3
Arena0 $ARENA-3
Banana0 BANANA-3
Banana2581.833376728171176931 BANANA-1
Bitcorn18044.846074641746805615 BITCORN-1
Breaking Dad0 DAD-3
CYBER TRUCK0 ELONTRUCK-2
Caesar Inu0 CAESAR-2
Cookiez Clicker0 COOKIEZ-5
Cult of Pepe0 COPE-3
DAWAE113399824.361790045430989612 DAWAE-1
DONATOR AI0 DONATOR-2
Die Protocol0 DIE-2
Donut Doge0 DD-2
Enkrypt2487225.859082050215052986 Enkrypt-1
GALAXY NETWORK7558058.037166038112489534 GALAXY-3
Galaxy Network942563.561445324401558806 GALAXY-1
GrokCraft0 GC-5
HENTAI ETH0 HENTAI-2
ITAMI8833741.136302584 ITAMI-1
Jesus0 Jesus-4
KnowYourDev0 KYD-2
LAPIS26880000 LAPIS-1
LP is just $50, hope it moons990000 FIFTYLP-1
LeagueBot0 LEAGUE-3
Libertarians Party0 L-8
Magnesium0 MAGNESIUM-2
MusashiboBenkei0.830890678023477102 SAMURAI-3
NOBODY0 NOBODY-2
Neko Shiba10476000000000 NIBA-1
NoBodyToken22127904.545511289 NOBO-1
ORNATE LABS142477.262618 ORNATE-1
Ofuda0 Ofuda-3
Osamu Tezuka0 TEZUKA-2
P0xNZI0 P0xNZI-10
POUT0 POUT-1
Retro AI0 RAI-6
SCRATCH REVOLUTION0 SMR-4
SHIBA INU0 SHIB-2
SHIMMY INU1827947.715787981 SHIMMY-2
SOYBOYS0 SOY-3
SPHINX0 SPHINX-3
Shiba Army0 SHIBASNIPE-3
Shibeth0 SHIBETH-3
SpaceRoam Finance18612000 SRF-1
Tether USD0 USDT-11
The Guardian of PEPE0 LORDKEK-3
TheWOLFZ0 WOLFZ-2
TweetCatcher0 TC-9
Upvember848479772.071676154 Upvember-1
WAFFLE0 WAFFLE-1
WHALES CLUB0 WLS-3
World Record Egg Token0 WREGG-3
Wrapped Bone0 WBONE-3
X.com0 X-3
YOYO0 YOYO-1
Zeus AI0 ZEUS-3
Zeus AI75000 ZEUS-3
๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸงโ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ €โ € ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง ๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง๐ŸŸง3608729536004.276948368 E-1
ContractTokensTransfers#
collecteth.org1 claim rewards on collecteth.org of ID 01

Transactions

0xfb06f8e64addc4b6be916dfad81c795b05db3eba760694e474a79aa1a75e154a
mined 655 days 3 hours ago
Transfer
0xf89d7b9c864f589bbF53a82105107622B35EaA40
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
0.34778701 ETH65.87 VEF61.78 VEF
Fee 0.000445213591578 ETH0.08 VEF0.08 VEF (21.200647218 Gwei/gas)
4684122 confirmations0.34778701 ETH65.87 VEF61.78 VEF
0x7ac94923bbdfcf511bde8e77795360d38705ca587eafc7d63c2bf72b83061fab
mined 658 days 3 hours ago
Transfer
0xf89d7b9c864f589bbF53a82105107622B35EaA40
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
1.65838307 ETH315.04 VEF294.61 VEF
Fee 0.000848307597711 ETH0.16 VEF0.15 VEF (40.395599891 Gwei/gas)
4705671 confirmations1.65838307 ETH315.04 VEF294.61 VEF
0xf9bf217206346a83d3ebbb70bd4c04ad7ecd29b50daa9a0f8695ba16c8dacadf
mined 659 days ago
Transfer
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x21123142049ec4efCa879a5e525E1C248cE62aC5
0.12 ETH22.98 VEF21.32 VEF
Fee 0.000756 ETH0.14 VEF0.13 VEF (36 Gwei/gas)
4711890 confirmations0.12 ETH22.98 VEF21.32 VEF
0x322bc9d976eecfe801e860f1461a76defb07f2eeb9f3fd05fd87f064dd107b74
mined 660 days 17 hours ago
Transfer
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x21123142049ec4efCa879a5e525E1C248cE62aC5
0.22 ETH42.55 VEF39.08 VEF
Fee 0.000294 ETH0.06 VEF0.05 VEF (14 Gwei/gas)
4723864 confirmations0.22 ETH42.55 VEF39.08 VEF
0xc3a2d71bcb5bcf34427e12f0c96067c889666fd5925874878fcf50a1d0d125bb
mined 687 days 5 hours ago
Transfer
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x3eF7aAEb21436c9A6fC7DF6D75f7F6BaA2FA891D
0.0585 ETH10.16 VEF10.39 VEF
Fee 0.000651 ETH0.11 VEF0.12 VEF (31 Gwei/gas)
4912453 confirmations0.0585 ETH10.16 VEF10.39 VEF
0x5ec07e924e851ad311e91022a53f6e6bd2aa406ea905b93f31417adef49b3cd8
mined 692 days ago
Transfer
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x21123142049ec4efCa879a5e525E1C248cE62aC5
0.146059913340538672 ETH24.14 VEF25.95 VEF
Fee 0.000685735007958 ETH0.11 VEF0.12 VEF (32.654047998 Gwei/gas)
4946641 confirmations0.146059913340538672 ETH24.14 VEF25.95 VEF
0x8ac93bae19229ae399a9fcd1cc7e5ee60b41585d8bd2e9f2121efff97d72d5a6
mined 703 days 14 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
Ofuda
 
Uniswap V2
4375 Ofuda-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.000619614228262572 WETH0.000619 ETH0.11 VEF
Ofuda
 
Uniswap V2
545.266174951556554113 Ofuda-
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
 
Uniswap V2
0.000077451778532821 WETH0.000077 ETH0.01 VEF
0x0000000000000000000000000000000000000000
 
0x0000000000000000000000000000000000000000
0.18312986752333878 UNI-V2-
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
Ofuda
143017.284958223448153716 Ofuda-
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
Uniswap V2
7007846.962952948959532099 Ofuda-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.907880114898715919 WETH0.907604 ETH161.24 VEF
Fee 0.01052964 ETH2.01 VEF1.87 VEF (36 Gwei/gas)
5028943 confirmations0 ETH0.00 VEF0.00 VEF
0x38aa772be78d5e1452eb7c6217fb23cc3842483183c1b225613942b087bdfc3f
mined 703 days 14 hours ago
Failed
Swap Exact Tokens For ETH (0x18cbafe5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0 ETH0.00 VEF0.00 VEF
Fee 0.012378528 ETH2.36 VEF2.20 VEF (36 Gwei/gas)
5028947 confirmations0 ETH0.00 VEF0.00 VEF
0x838a3abc30427bba7519b87f04a6536d84421b8cd3aefec5ad55886a6f5cc1c1
mined 703 days 14 hours ago
Approve (0x095ea7b3)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
Ofuda
0 ETH0.00 VEF0.00 VEF
Fee 0.00167868 ETH0.32 VEF0.30 VEF (36 Gwei/gas)
5028948 confirmations0 ETH0.00 VEF0.00 VEF
0x8b8bd0eaececa5dda3c2411e1985ea95f043a6d32f4c3399c2d31b59f94b64e1
mined 703 days 16 hours ago
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
1 ETH190.97 VEF177.65 VEF
ERC20 Token Transfers
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
 
Uniswap V2
1 WETH0.999695 ETH177.60 VEF
Uniswap V2
 
Ofuda
145936.005059411681789505 Ofuda-
Uniswap V2
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
7150864.247911172407685815 Ofuda-
Fee 0.007264789 ETH1.39 VEF1.29 VEF (49 Gwei/gas)
5029471 confirmations1 ETH190.97 VEF177.65 VEF
0xb201cfc8f9e4190b54e71bb0681f7309f3ee3ba8e2a24fea3239e09d16094ea6
mined 703 days 16 hours ago
Transfer
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0xB640BF46FA4ca584306f5cf7d5d18ec5994A3BEE
0.053549 ETH10.23 VEF9.51 VEF
Fee 0.000861 ETH0.16 VEF0.15 VEF (41 Gwei/gas)
5029494 confirmations0.053549 ETH10.23 VEF9.51 VEF
0x6d2b20537189e0daaa5f3ddef1599573c6a6c91545f70017aca89704f2491ad6
mined 729 days 22 hours ago
Transfer
0x2F5a9DbeAF8f9B5E30Fe9f9697735C7CFc1D4A3a
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
1.249388421171910324 ETH237.10 VEF221.95 VEF
Fee 0.003081639252237 ETH0.58 VEF0.55 VEF (146.744726297 Gwei/gas)
5215665 confirmations1.249388421171910324 ETH237.10 VEF221.95 VEF
0xf9898ad86b49fd3734024780ecd26dfc469e04aadee12238f10579ca3f5366bf
mined 729 days 22 hours ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
Uniswap V2
2663733589.085300917651337871 DIE0.011142 ETH1.98 VEF
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.070387282564219439 WETH0.070366 ETH12.50 VEF
Fee 0.024594724 ETH4.67 VEF4.37 VEF (154 Gwei/gas)
5215679 confirmations0 ETH0.00 VEF0.00 VEF
0xa5a90590342684f82de2489b9df64349005001b7303a8f48a18e98c49122c39b
mined 729 days 22 hours ago
Approve (0x095ea7b3)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
Die Protocol
0 ETH0.00 VEF0.00 VEF
Fee 0.007183946 ETH1.36 VEF1.28 VEF (154 Gwei/gas)
5215680 confirmations0 ETH0.00 VEF0.00 VEF
0xb06707e7a63cf0cf65895d057477ab4a8f18ec246122a6e60e28fbddf14cc4c1
mined 729 days 23 hours ago
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.1 ETH18.98 VEF17.76 VEF
ERC20 Token Transfers
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
 
Uniswap V2
0.1 WETH0.099970 ETH17.76 VEF
Uniswap V2
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
2663733589.085300917651337871 DIE0.011142 ETH1.98 VEF
Fee 0.024243548 ETH4.60 VEF4.31 VEF (134 Gwei/gas)
5215846 confirmations0.1 ETH18.98 VEF17.76 VEF
0x66334f45092db055924c7f7f058ec0c17761f20a63510bb9f455b44a0f7f60b8
mined 730 days ago
Swap Exact Tokens For ETH Supporting Fee On Transfer Tokens (0x791ac947)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0 ETH0.00 VEF0.00 VEF
ERC20 Token Transfers
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
Uniswap V2
49640439508.007692566598660406 SOY-
Uniswap V2
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.210875207038728499 WETH0.210811 ETH37.45 VEF
Fee 0.016269682 ETH3.09 VEF2.89 VEF (163 Gwei/gas)
5216047 confirmations0 ETH0.00 VEF0.00 VEF
0x413e2bf262e26b58211c8417ad2e2a3c895eed20d7dc371ca8f897617164ee8d
mined 730 days ago
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.1 ETH18.98 VEF17.76 VEF
ERC20 Token Transfers
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
 
Uniswap V2
0.1 WETH0.099970 ETH17.76 VEF
Uniswap V2
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
27639755114.579176201504362675 SOY-
Fee 0.02389527 ETH4.53 VEF4.24 VEF (235 Gwei/gas)
5216135 confirmations0.1 ETH18.98 VEF17.76 VEF
0xbb0a4677dd6246a93412375e568c993dae3f188bef141ed7c96235a7b8c789f3
mined 730 days 1 hour ago
Approve (0x095ea7b3)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
SOYBOYS
0 ETH0.00 VEF0.00 VEF
Fee 0.007591236 ETH1.44 VEF1.35 VEF (163 Gwei/gas)
5216327 confirmations0 ETH0.00 VEF0.00 VEF
0x9c72d7686ec352729d4d1963669347d6aa6c4c8f666c667b476b53ee4ea92141
mined 730 days 1 hour ago
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.1 ETH18.98 VEF17.76 VEF
ERC20 Token Transfers
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
 
Uniswap V2
0.1 WETH0.099970 ETH17.76 VEF
Uniswap V2
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
22000684393.428516365094297731 SOY-
Fee 0.012709674 ETH2.41 VEF2.26 VEF (107 Gwei/gas)
5216390 confirmations0.1 ETH18.98 VEF17.76 VEF
0x205addac91b3b1145b3de881ca81fdb4e16f51ec2bee686261b20b1b012debcb
mined 730 days 18 hours ago
Transfer
0xf89d7b9c864f589bbF53a82105107622B35EaA40
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
0.45 ETH85.63 VEF79.94 VEF
Fee 0.003823049253933 ETH0.73 VEF0.68 VEF (182.049964473 Gwei/gas)
5221631 confirmations0.45 ETH85.63 VEF79.94 VEF
0x73b13532acc20a79d9563abe1633c778068995b3229974741e2466e4177c426a
mined 808 days 17 hours ago
Failed
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.02 ETH3.40 VEF3.55 VEF
Fee 0.006112827 ETH1.04 VEF1.09 VEF (63 Gwei/gas)
5774413 confirmations0.02 ETH3.40 VEF3.55 VEF
0x1327fbd66718ba6689a9934a196ae032e1b88a9e8483f3fb467e9b129764462b
mined 809 days 6 hours ago
Transfer
0x549287e6465428408Dac7C5fB0c106DBFF1EfE85
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
0.025045713 ETH4.26 VEF4.45 VEF
Fee 0.000468756687672 ETH0.08 VEF0.08 VEF (22.321747032 Gwei/gas)
5778177 confirmations0.025045713 ETH4.26 VEF4.45 VEF
0x762f556070806175d3b14e89de9a4d26fa062033ce2c259f4f8ef84262f3e93d
mined 809 days 19 hours ago
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.02 ETH3.30 VEF3.55 VEF
ERC20 Token Transfers
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
 
Uniswap V2
0.02 WETH0.019994 ETH3.55 VEF
Uniswap V2
 
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
271999.064170220914794056 AiTG-
Uniswap V2
 
Ai TWEET GENERATOR
2447991.577531988233146502 AiTG-
Fee 0.008182814 ETH1.35 VEF1.45 VEF (58 Gwei/gas)
5782111 confirmations0.02 ETH3.30 VEF3.55 VEF
0x1de51abcf978c74a6dd4f9c8f486ea88fefb15587a16801d406dc6ca1cbedba2
mined 810 days 2 hours ago
Failed
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.02 ETH3.30 VEF3.55 VEF
Fee 0.00664785 ETH1.10 VEF1.18 VEF (50 Gwei/gas)
5784131 confirmations0.02 ETH3.30 VEF3.55 VEF
0x1db7a4197d3a04e31dfdf8581ac213c313116a245e60757727997934f3e98756
mined 810 days 2 hours ago
Failed
Swap Exact ETH For Tokens (0x7ff36ab5)
0xd636a32eCE0F6Bb9Fc47Cbc3E5b2B47c85AB3E62
 
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
0.02 ETH3.30 VEF3.55 VEF
Fee 0.007704546 ETH1.27 VEF1.37 VEF (58 Gwei/gas)
5784135 confirmations0.02 ETH3.30 VEF3.55 VEF