Address

0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb

0.000365463324964098 ETH
27.60 CZK

Including Tokens

0.033564 ETH
2534.56 CZK

Confirmed
Balance0.000365463324964098 ETH27.60 CZK
Transactions4429
Non-contract Transactions2294
Internal Transactions0
Nonce1925
ContractQuantityValueTransfers#
BlockGames7738.7 BLOCK2506.96 CZK(0.033199 ETH)119
SKALE0.000000000099737856 SKL0.00 CZK(0.000000 ETH)26
OMI Token0.000000000079159552 OMI0.00 CZK(0.000000 ETH)236
DappRadar0.000000000001835008 RADAR0.00 CZK(0.000000 ETH)40
$ NFTGiftX.com4000 $ Visit NFTGiftX.com to claim-1
1INCH Token0 1INCH-4
@EthernityChain $ERN Token0 ERN-26
API30 API3-4
APM Coin0 APM-8
Aavegotchi GHST Token0 GHST-4
Adventure Gold0 AGLD-4
Aergo0 AERGO-18
Akita Inu0 AKITA-24
Alchemix0 ALCX-12
AlphaToken0 ALPHA-16
Ampleforth Governance0 FORTH-4
Axie Infinity Shard0 AXS-6
BONE SHIBASWAP0 BONE-8
BZZ0 BZZ-42
Banana0 BANANA-6
Bancor Network Token0 BNT-6
BandToken0 BAND-6
Big Time0 BIGTIME-2
Blur0 BLUR-2
BoringDAO0 BORING-30
Bounce Token0 Auction-10
Celsius0 CEL-4
Civic0 CVC-13
Clover0 CLV-18
Concentrated Voting Power0 CVP-6
Convex Token0 CVX-14
Covalent Query Token0 CQT-4
Cover Protocol Governance Token0 COVER-98
DEAPCOIN0 DEP-287
DIAToken0 DIA-8
DOGE KILLER0 LEASH-10
DOSE0 DOSE-84
Decentralized Eternal Virtual Traveller0 DEVT-20
Dogelon0 ELON-112
Efinity Token0 EFI-78
Enjin Coin0 ENJ-2
Fetch0 FET-3
Fodl0 FODL-74
Frax Share0 FXS-2
Frontier Token0 FRONT-6
Gearbox0 GEAR-19
Gluwa Creditcoin Vesting Token0 G-CRE-87
Gods Unchained0 GODS-10
Guild of Guardians0 GOG-184
GuildFi Token0 GF-10
Hegic0 HEGIC-2
Illuvium0 ILV-2
Immutable X0 IMX-10
Keep3rV10 KP3R-44
Kine Governance Token0 KINE-44
Kollect0 KOL-160
LBR0 LBR-4
LQTY0 LQTY-12
Lambda0 LAMB-2
LibraToken0 LBA-4
Lithium0 LITH-73
Livepeer Token0 LPT-2
LooksRare Token0 LOOKS-4
Love Hate Inu0 LHINU-220
Lybra0 LBR-43
MANTRA DAO0 OM-22
Measurable Data Token0 MDT-8
Melon Token0 MLN-22
Metis Token0 Metis-6
MixTrust0 MXT-5
Moeda Loyalty Points0 MDA-36
Myria0 MYRIA-32
Numeraire0 NMR-18
Optimus0 OPTIMUS-2
Orbs0 ORBS-175
Orchid0 OXT-6
Parsiq Token0 PRQ-20
Perpetual0 PERP-10
Phala0 PHA-10
PickleToken0 PICKLE-36
Pinakion0 PNK-4
PolkastarterToken0 POLS-18
Project Galaxy0 GAL-8
REVV0 REVV-57
RSS30 RSS3-2
Republic Token0 REN-10
Reputation0 REPv2-26
Rocket Pool Protocol0 RPL-18
SOS0 SOS-38
SSV Token0 SSV-4
SingularityNET Token0 AGIX-2
Skeb Coin0 SKEB-195
Smart Layer Network Token0 SLN-2
Spell Token0 SPELL-12
Stader0 SD-10
StarLink0 STARL-16
StorjToken0 STORJ-6
Swerve DAO Token0 SWRV-2
SwftCoin0 SWFTC-20
Symbiosis0 SIS-55
Tamadoge0 TAMA-16
Tellor Tributes0 TRB-37
TenX Pay Token0 PAY-6
Tenup0 TUP-37
Threshold Network Token0 T-2
TokenClub Token0 TCT-272
Tokenlon0 LON-37
Turbo0 TURBO-52
VERA0 VRA-22
Value Liquidity0 VALUE-54
Worldcoin0 WLD-2
Wrapped Centrifuge0 wCFG-6
Wrapped NCG0 WNCG-60
YFII.finance0 YFII-8
Yield Guild Games Token0 YGG-2
Zentry0 ZENT-2
Zks0 ZKS-32
chiliZ0 CHZ-2
dHedge DAO Token0 DHT-20
pSTAKE Finance0 PSTAKE-30

Transactions

0x02e4ea851dec832c9508721d97dee53f2dfce1ce213116b4f4c8eceb813d10fe
mined 1 day 4 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
10202.35 SWFTC0.130284 ETH9838.14 CZK
Fee 0.000140885553908634 ETH11.29 CZK10.64 CZK (4.366919407 Gwei/gas)
8410 confirmations0 ETH0.00 CZK0.00 CZK
0xbd66a3ff86fd1f2912832e2211bd03475a416915cf61bc5aeccc9d75608ada22
mined 1 day 4 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
10202.35 SWFTC0.130284 ETH9838.14 CZK
Fee 0.000124464250760508 ETH9.97 CZK9.40 CZK (2.297999534 Gwei/gas)
8489 confirmations0 ETH0.00 CZK0.00 CZK
0x05bfedab9ab25696e0e2c2c3f7e54cee9fa89f71175179a7b5150abaf024d39f
mined 1 day 4 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
9827.15 SWFTC0.125493 ETH9476.33 CZK
Fee 0.0001081126252281 ETH8.64 CZK8.16 CZK (3.35108255 Gwei/gas)
8609 confirmations0 ETH0.00 CZK0.00 CZK
0x5d33bf005b427ba37d5484d379c39b527cb70bca0885b3231876480aec4253a2
mined 1 day 4 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
9827.15 SWFTC0.125493 ETH9476.33 CZK
Fee 0.000127137394605708 ETH10.16 CZK9.60 CZK (2.347354134 Gwei/gas)
8652 confirmations0 ETH0.00 CZK0.00 CZK
0xa29bae1e242c7f4f6cfdeaf1a26bb220fc5a908cf3b202a09a2dc5c5446d2669
mined 3 days ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
DEAPCOIN
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
249450.905 DEP0.124450 ETH9397.62 CZK
Fee 0.000151129670456914 ETH11.66 CZK11.41 CZK (3.718467398 Gwei/gas)
21631 confirmations0 ETH0.00 CZK0.00 CZK
0xa47cf62702134b739f17811688a179d1c70f2ae4f8ba67dbb29188f316c47492
mined 3 days ago
Transfer
0xc5a93444Cc4dA6EfB9e6FC6e5D3CB55A53b52396
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
0.0005312 ETH40.99 CZK40.11 CZK
Fee 0.000079609784394 ETH6.14 CZK6.01 CZK (3.790942114 Gwei/gas)
21637 confirmations0.0005312 ETH40.99 CZK40.11 CZK
0x245f17e5b2ee6ac64e2094d1f54d35d4ff2bcd7d1ae4013fcd3f1a7039c1f6a6
mined 3 days ago
Transfer (0xa9059cbb)
0xa03400E098F4421b34a3a44A1B4e571419517687
 
DEAPCOIN
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0xa03400E098F4421b34a3a44A1B4e571419517687
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
249450.905 DEP0.124450 ETH9397.62 CZK
Fee 0.000247452079105998 ETH19.10 CZK18.69 CZK (3.956511186 Gwei/gas)
21667 confirmations0 ETH0.00 CZK0.00 CZK
0x6b27a099f2c87e6e4f2c0091addfe2c70d38e8fe95cddf5defdb149775606309
mined 3 days 16 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
Lybra
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
5887.9 LBR0.120584 ETH9105.67 CZK
Fee 0.000205642835669145 ETH15.29 CZK15.53 CZK (6.946219749 Gwei/gas)
26419 confirmations0 ETH0.00 CZK0.00 CZK
0xbec6554de807d99f26e11f14df846c6a057c38fb8fc15c59c2cb8b49692b3333
mined 3 days 16 hours ago
Transfer (0xa9059cbb)
0x6D0D19bddDC5ED1dD501430c9621DD37ebd9062d
 
Lybra
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x6D0D19bddDC5ED1dD501430c9621DD37ebd9062d
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
5887.9 LBR0.120584 ETH9105.67 CZK
Fee 0.00031699036959339 ETH23.68 CZK23.94 CZK (6.154555278 Gwei/gas)
26513 confirmations0 ETH0.00 CZK0.00 CZK
0xc197e40ce7119fb1908d74370c8e9421f959d30952b43b48dc6bdcc1e2ebdadf
mined 4 days 14 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
@EthernityChain $ERN Token
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
196.98 ERN0.102688 ETH7754.25 CZK
Fee 0.00026823428177589 ETH20.29 CZK20.26 CZK (8.94740591 Gwei/gas)
32982 confirmations0 ETH0.00 CZK0.00 CZK
0x27337ea9cc57b7eae82a80198ef1b5df46ca74d7ab16dc2af41934785b77ca8d
mined 4 days 14 hours ago
0x6b13fcb1
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0xfaf17849fb05a11a4E233f221bAc99CA43Fc83f8
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x04f2Dac881dBeC96799ff60086Fae4A9D992CF27
116.005 USDC0.037383 ETH2822.87 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x176e23c33F73e765eAe9a61cF3Adc742Ae12904C
813.179999989999992832 ONDO0.349245 ETH26372.50 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x637805278619042b52CA0b3c3de5B4F15d79E59d
19997.065 USDT6.441055 ETH486383.37 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
196.98 ERN0.102688 ETH7754.25 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0xef1aB54204021dE93bD336035EA6692AD5FB953B
9033.07000000000032768 SD2.426283 ETH183215.88 CZK
Fee 0.00316520025566128 ETH241.16 CZK239.01 CZK (10.354620046 Gwei/gas)
33044 confirmations0 ETH0.00 CZK0.00 CZK
0x22e6a8f56d453d674e3688b77f3b0eaa60a7b9a0dfe8c9a8751a5afe8a07fdf6
mined 5 days 8 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SKALE
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
6458.5999999999 SKL0.101981 ETH7700.91 CZK
Fee 0.00062170683255066 ETH47.27 CZK46.95 CZK (6.742292946 Gwei/gas)
38248 confirmations0 ETH0.00 CZK0.00 CZK
0x1d67214ed8d0bff40438a98e6f02cb8a2e8e542365a977c1a8cffaf4ad4d64d4
mined 5 days 8 hours ago
Transfer
0xc5a93444Cc4dA6EfB9e6FC6e5D3CB55A53b52396
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
0.000828 ETH62.95 CZK62.52 CZK
Fee 0.000139982795064 ETH10.64 CZK10.57 CZK (6.665847384 Gwei/gas)
38250 confirmations0.000828 ETH62.95 CZK62.52 CZK
0x681ebffc1d5b730d0f8000303fd23d19224e0b504c7cc707a2a82d52702ef173
mined 5 days 8 hours ago
0x6b13fcb1
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0xfaf17849fb05a11a4E233f221bAc99CA43Fc83f8
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0xb48f58936E95ef98CfAEdA9d225f4678DFa22916
46297.850000000002555904 SKL0.731043 ETH55203.25 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x1385211a23Fa4bC5ac9ed10265Ada4b0E798E2ce
1004.21996 USDT0.323459 ETH24425.38 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
6458.599999999999737856 SKL0.101981 ETH7700.91 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x3e2CC94a896fc73bA4050F7a467d144910643c27
2000 USDT0.644200 ETH48645.48 CZK
0x9642b23Ed1E01Df1092B92641051881a322F5D4E
 
0x2d283f27cb44a9B075166CdC0Eb43CEc7aAcA4c5
3997.065 USDC1.288054 ETH97264.84 CZK
Fee 0.002830168142444436 ETH215.17 CZK213.71 CZK (8.820185314 Gwei/gas)
38305 confirmations0 ETH0.00 CZK0.00 CZK
0x3df343962900f1b3bac601fda6d4b0cbe9ae32319187d18e111b50ecf9784762
mined 6 days 10 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
15317.31 SWFTC0.195602 ETH14770.50 CZK
Fee 0.000278843568353658 ETH21.99 CZK21.06 CZK (8.639882517 Gwei/gas)
46028 confirmations0 ETH0.00 CZK0.00 CZK
0x06b1c608dbd870a0d2dc274e73da1a0fc5254e548eb6fa7a8b8366c37a221c57
mined 6 days 10 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
15317.31 SWFTC0.195602 ETH14770.50 CZK
Fee 0.000419184837404124 ETH33.06 CZK31.65 CZK (7.737749426 Gwei/gas)
46059 confirmations0 ETH0.00 CZK0.00 CZK
0x05da1318f45fc2b805f40d1ab2af8b2822db8b6dfef7253cb3b665d0e58db89d
mined 6 days 12 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
19959.63 SWFTC0.254884 ETH19247.09 CZK
Fee 0.000258019804041714 ETH20.65 CZK19.48 CZK (7.994664561 Gwei/gas)
46822 confirmations0 ETH0.00 CZK0.00 CZK
0xc749d675112a1e127ef231e92d4359ca5ea656515c58c51987d3142fa6cbc64c
mined 6 days 12 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
19959.63 SWFTC0.254884 ETH19247.09 CZK
Fee 0.000399617806350246 ETH31.98 CZK30.18 CZK (7.376560829 Gwei/gas)
46840 confirmations0 ETH0.00 CZK0.00 CZK
0x20c40c5c18e151a94d83cbbcae573be08dc8b191f4a5ab6db43e0d318bf7d34f
mined 6 days 17 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
23630.53 SWFTC0.301762 ETH22786.94 CZK
Fee 0.000239186131317342 ETH19.00 CZK18.06 CZK (7.411108983 Gwei/gas)
48213 confirmations0 ETH0.00 CZK0.00 CZK
0x600c63ecdeb92938a2f4846e29039b5110c8ef8ab090196556377a409d348786
mined 6 days 17 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
23630.53 SWFTC0.301762 ETH22786.94 CZK
Fee 0.000322746757814184 ETH25.64 CZK24.37 CZK (5.957595116 Gwei/gas)
48225 confirmations0 ETH0.00 CZK0.00 CZK
0xbf07c37e779401d6803809f619cbcd84d3600e7b5d54954e9f1001114238b043
mined 7 days 10 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
BZZ
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
1038.43 BZZ0.115245 ETH8702.49 CZK
Fee 0.000169473230020038 ETH13.51 CZK12.80 CZK (5.577162274 Gwei/gas)
53186 confirmations0 ETH0.00 CZK0.00 CZK
0x0eb79449003aa9fbed55fb112e2a122a27371fd6b5d3c054f789931c43feb355
mined 7 days 10 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
BZZ
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
1038.43 BZZ0.115245 ETH8702.49 CZK
Fee 0.000276159923346804 ETH22.02 CZK20.85 CZK (5.281617292 Gwei/gas)
53258 confirmations0 ETH0.00 CZK0.00 CZK
0x4f37b31ac43a8d20670f34ab5ffd4507c6b73b53224345191f62968769f87c28
mined 8 days 18 hours ago
Transfer (0xa9059cbb)
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
 
0x6cC5F688a315f3dC28A7781717a9A798a59fDA7b
32268.37 SWFTC0.412067 ETH31116.42 CZK
Fee 0.00073129080363867 ETH59.56 CZK55.22 CZK (22.658821455 Gwei/gas)
62833 confirmations0 ETH0.00 CZK0.00 CZK
0x3d7af7f7305e35c5bdb3fb1de6170846c179cf73a0d3ca54b0f8b977adfaec78
mined 8 days 18 hours ago
Transfer
0xc5a93444Cc4dA6EfB9e6FC6e5D3CB55A53b52396
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
0.001431034 ETH116.54 CZK108.06 CZK
Fee 0.000462521734647 ETH37.67 CZK34.93 CZK (22.024844507 Gwei/gas)
62835 confirmations0.001431034 ETH116.54 CZK108.06 CZK
0x722d7262b0265f5f27494054685a83fa895099775562d0f48cb44d79c2be4deb
mined 8 days 18 hours ago
Transfer (0xa9059cbb)
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
SwftCoin
0 ETH0.00 CZK0.00 CZK
ERC20 Token Transfers
0x0D0707963952f2fBA59dD06f2b425ace40b492Fe
 
0x5e35a655997B9fF56ec2e55e64290cFb172AFdbb
32268.37 SWFTC0.412067 ETH31116.42 CZK
Fee 0.000966620691384906 ETH78.46 CZK72.99 CZK (17.842889419 Gwei/gas)
62923 confirmations0 ETH0.00 CZK0.00 CZK