Oko contract explorer

What is Oko?

Oko is an Ethereum explorer focused on smart contracts.
It is intended for a public of experienced Ethereum developers. It was developed to fill a gap in the tools available out there that wouldn't show enough information about smart contracts.

Oko tries to get the source & ABI of verified contracts, and uses Panoramix to decompile contracts without code.
It also tries to interpret the input data for all calls made to contracts, to display it in an understandable form.

How do I use it?

Simply use the search box above. You can enter:

- A contract address
to see source code or decompilation of a contract, calls made from/to it.
- A transaction hash
to see the state modification caused by the transaction, and a tree of the calls made during it.
- A block number
to see basic information about the block, and a list of transactions included in it.

Last block is 12422339.

You can also simulate arbitrary calls.

Top active contracts

Aggregate measures over the last 10000 blocks.

By gas usage

41368291737
0x7a25…488d (Router 2, UniswapV2Router02)
12850780538
0xc02a…6cc2 (Wrapped Ether (WETH), 0x Ecosystem, WrappedEther, https://weth.io/, Token Contract, Stablecoin, WETH9)
10097198549
0xdac1…1ec7 (https://tether.to/, Tether USD (USDT), TetherToken, Token Contract, Stablecoin)
8224352232
0xe592…1564 (SwapRouter)
5058811704
0xa2b4…817d (KishuInu)
4968501717
0xf82d…9f88
3323618778
0x95ad…c4ce
3203256950
0x1111…aa26 (1inch.exchange, 1inch V3, AggregationRouterV3)
3157266462
0x881d…300c (Swap Router, MetaMask)
3066309810
0xa0b8…eb48 (FiatTokenProxy, https://www.centre.io/, USD Coin (USDC), Token Contract, Stablecoin)
2610599536
0x74de…6631
2456651555
0xa232…bdcf (FiatTokenV2_1)
2280075717
0xfd3d…0626
2001129244
0x811b…954f
1667314159
0xd274…4937
1454169486
0x0000…9f56
1423907548
0x2f62…a9ec
1353525724
0x9314…9f3b
1340545404
0xdef1…5eff (ZeroEx)
1241219503
0x0d4a…1852

By calls received

1308009
0xc02a…6cc2 (Wrapped Ether (WETH), 0x Ecosystem, WrappedEther, https://weth.io/, Token Contract, Stablecoin, WETH9)
381597
0xdac1…1ec7 (https://tether.to/, Tether USD (USDT), TetherToken, Token Contract, Stablecoin)
350681
0x7a25…488d (Router 2, UniswapV2Router02)
189079
0x95ad…c4ce
124627
0xa232…bdcf (FiatTokenV2_1)
124615
0xa0b8…eb48 (FiatTokenProxy, https://www.centre.io/, USD Coin (USDC), Token Contract, Stablecoin)
118282
0xe592…1564 (SwapRouter)
94144
0xa2b4…817d (KishuInu)
84699
0xf82d…9f88
77536
0x811b…954f

By calls emitted

1383955
0x7a25…488d (Router 2, UniswapV2Router02)
173545
0xe592…1564 (SwapRouter)
124615
0xa0b8…eb48 (FiatTokenProxy, https://www.centre.io/, USD Coin (USDC), Token Contract, Stablecoin)
111690
0xf82d…9f88
108897
0x811b…954f
88786
0xc02a…6cc2 (Wrapped Ether (WETH), 0x Ecosystem, WrappedEther, https://weth.io/, Token Contract, Stablecoin, WETH9)
86966
0x1111…aa26 (1inch.exchange, 1inch V3, AggregationRouterV3)
82238
0x0000…9f56
69543
0x74de…6631
68658
0x0d4a…1852

By balance

6411430 eth
0xc02a…6cc2 (Wrapped Ether (WETH), 0x Ecosystem, WrappedEther, https://weth.io/, Token Contract, Stablecoin, WETH9)
4475394 eth
0x0000…05fa (DepositContract)
1468297 eth
0x4ddc…0ed5 (DeFi, Compound Ether (cETH), Token Contract, cETH Token, CEther)
1110310 eth
0xdf9e…3d7f (ActivePool)
903741 eth
0x07ee…3eca (Exchange, Gemini, Contract 1)
398652 eth
0xa929…490c (Bridge)
338301 eth
0x8484…2b30 (Ether Predicate Proxy, Matic Network, EtherPredicateProxy)
278627 eth
0xdc24…7022 (Vyper_contract)
244386 eth
0xc542…4567 (Vyper_contract)
195609 eth
0x3dfd…76d3 (Aave, Loans, LendingPoolLiquidationManager, Lending Pool Core V1)

About

An experiment by palkeo. Feel free to contact me at oko@palkeo.com.

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