Transaction Details
The contract call From 0x653325aF...A17E8e93D To 0xE183a64B...c186b11c4 produced 12 Internal Transactions
Type Trace Address | From | To | Value | Gas Limit | |
---|---|---|---|---|---|
call_0_1_1_1 | Wrapped Ether | Uniswap V2: Router 2 | 0.065550416520141698 ETH | 2,300 | |
call_0_1_1 | Uniswap V2: Router 2 | 0xE183a64B...c186b11c4 | 0.065550416520141698 ETH | 1,348,744 | |
call_0_1_1_1 | Wrapped Ether | Uniswap V2: Router 2 | 0.039862624486163647 ETH | 2,300 | |
call_0_1_1 | Uniswap V2: Router 2 | 0xE183a64B...c186b11c4 | 0.039862624486163647 ETH | 1,147,515 | |
call_0_1_1_1 | Wrapped Ether | Uniswap V2: Router 2 | 0.02358054776647789 ETH | 2,300 | |
call_0_1_1 | Uniswap V2: Router 2 | 0xE183a64B...c186b11c4 | 0.02358054776647789 ETH | 950,053 | |
call_0_1_1_1 | Wrapped Ether | Uniswap V2: Router 2 | 0.019161744379181609 ETH | 2,300 | |
call_0_1_1 | Uniswap V2: Router 2 | 0xE183a64B...c186b11c4 | 0.019161744379181609 ETH | 756,757 | |
call_0_1_1_1 | Wrapped Ether | Uniswap V2: Router 2 | 0.017057280239300435 ETH | 2,300 | |
call_0_1_1 | Uniswap V2: Router 2 | 0xE183a64B...c186b11c4 | 0.017057280239300435 ETH | 563,493 | |
call_0_1 | 0xE183a64B...c186b11c4 | king69midas.eth | 0.156951982721702016 ETH | 563,595 | |
call_0_1 | 0xE183a64B...c186b11c4 | 0x233f3e08...2B2d622D1 | 0.008260630669563263 ETH | 552,262 |
AA Txn Hash | Method | Position | From | Internal Txns | Token Txns | NFT Txns | Txn Fee (ETH) | Gas Limit |
---|
Transaction Receipt Event Logs
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: to 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :46984886138591288
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: spender 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :115792089237316195423570985008687907853269984665640564039457537023026991048647
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :46984886138591288
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: to 0xb142BCA6424bd09e373E7f11fbeE6588779cb3Cb
Data
- value :46984886138591288
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :0
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Transfer (index_topic_1 address src, index_topic_2 address dst, uint256 wad)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: src 0xb142BCA6424bd09e373E7f11fbeE6588779cb3Cb
- 2: dst 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :65550416520141698
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :825141210048010646
- reserve1 :1088902437055943266
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
- 2: to 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- amount0In :46984886138591288
- amount1In :0
- amount0Out :0
- amount1Out :65550416520141698
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Withdrawal (index_topic_1 address src, uint256 wad)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: src 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :65550416520141698
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: to 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :14660100919950544731929375
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: spender 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :115792089237316195423570985008687907853269984665640549379356664057368397710560
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :14660100919950544731929375
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: to 0x2EeD3903103383999C00AB2c74cF8a28336c49Af
Data
- value :14660100919950544731929375
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :0
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Transfer (index_topic_1 address src, index_topic_2 address dst, uint256 wad)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: src 0x2EeD3903103383999C00AB2c74cF8a28336c49Af
- 2: dst 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :39862624486163647
-
Address
- 0x2eed3903103383999c00ab2c74cf8a28336c49af (Uniswap V2: SBF 32)
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :499186812628004498494535149
- reserve1 :1321452310650552865
-
Address
- 0x2eed3903103383999c00ab2c74cf8a28336c49af (Uniswap V2: SBF 32)
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
- 2: to 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- amount0In :14660100919950544731929375
- amount1In :0
- amount0Out :0
- amount1Out :39862624486163647
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Withdrawal (index_topic_1 address src, uint256 wad)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: src 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :39862624486163647
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: to 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :166550096262840724
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: spender 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :115792089237316195423570985008687907853269984665640564039457417457816866799211
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :166550096262840724
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: to 0x3e059C9C9945B16404B5281462D1e56f6c99a2BC
Data
- value :166550096262840724
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :0
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Transfer (index_topic_1 address src, index_topic_2 address dst, uint256 wad)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: src 0x3e059C9C9945B16404B5281462D1e56f6c99a2BC
- 2: dst 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :23580547766477890
-
Address
- 0x3e059c9c9945b16404b5281462d1e56f6c99a2bc (Uniswap V2: WOFL 4)
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :7492130471118578363
- reserve1 :1040293489928067168
-
Address
- 0x3e059c9c9945b16404b5281462d1e56f6c99a2bc (Uniswap V2: WOFL 4)
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
- 2: to 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- amount0In :166550096262840724
- amount1In :0
- amount0Out :0
- amount1Out :23580547766477890
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Withdrawal (index_topic_1 address src, uint256 wad)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: src 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :23580547766477890
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: to 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :10541421543284029229979359
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: spender 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :115792089237316195423570985008687907853269984665640553498036040723883899660576
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :10541421543284029229979359
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: to 0xD22b4818d105e8c98eae836f0F5A7189365E5207
Data
- value :10541421543284029229979359
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :0
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Transfer (index_topic_1 address src, index_topic_2 address dst, uint256 wad)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: src 0xD22b4818d105e8c98eae836f0F5A7189365E5207
- 2: dst 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :19161744379181609
-
Address
- 0xd22b4818d105e8c98eae836f0f5a7189365e5207 (Uniswap V2: BAI 15)
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :778552910409278961018167911
- reserve1 :1400259152459064231
-
Address
- 0xd22b4818d105e8c98eae836f0f5a7189365e5207 (Uniswap V2: BAI 15)
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
- 2: to 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- amount0In :10541421543284029229979359
- amount1In :0
- amount0Out :0
- amount1Out :19161744379181609
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Withdrawal (index_topic_1 address src, uint256 wad)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: src 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :19161744379181609
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: to 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :3062080735121611823446422
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0x653325aFDb00DD741Fee25a694467eBA17E8e93D
- 2: spender 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
Data
- value :115792089237316195423570985008687907853269984665640560977376848886301306193513
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :3062080735121611823446422
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: to 0xAfE6C52349c7D92aF5835077104f3607e115ED06
Data
- value :3062080735121611823446422
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xE183a64B0D93f50B46c2530748E5Ea4c186b11c4
- 2: spender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- value :0
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Transfer (index_topic_1 address src, index_topic_2 address dst, uint256 wad)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: src 0xAfE6C52349c7D92aF5835077104f3607e115ED06
- 2: dst 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :17057280239300435
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :4203748776237985301
- reserve1 :755444717857503676814996997
Name
Swap (index_topic_1 address sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, index_topic_2 address to)View Source
Topics
- 0 0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
- 1: sender 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
- 2: to 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- amount0In :0
- amount1In :3062080735121611823446422
- amount0Out :17057280239300435
- amount1Out :0
-
Address
- 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 (Wrapped Ether)
Name
Withdrawal (index_topic_1 address src, uint256 wad)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: src 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Data
- wad :17057280239300435
Topics
- 0 0xc3de5a24bd002bb22f8ce87ea83267d88e50ee88eca8093858da479b60571b6c
- 1 0x000000000000000000000000653325afdb00dd741fee25a694467eba17e8e93d
- 2 0x0000000000000000000000000000000000000000000000000000000000000000
Data
- 0000000000000000000000000000000000000000000000000000000000000080
- 000000000000000000000000000000000000000000000000024af3ff1d99adff
- 000000000000000000000000000000000000000000000000022d9aff28eb9880
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000005
- 00000000000000000000000000000000000000000000000000a6ec81481a5838
- 0000000000000000000000000000000000000000000c2065a9cee7739b3c7b1f
- 000000000000000000000000000000000000000000000000024fb46e1d0dc194
- 00000000000000000000000000000000000000000008b83b9b5ed3d43ff956df
- 00000000000000000000000000000000000000000002886bbab1420f2872f996
A transaction is a cryptographically signed instruction that changes the blockchain state. Block explorers track the details of all transactions in the network. Learn more about transactions in our Knowledge Base.