Transaction Details
The contract call From 0x303dC7FC...f58AfdC7D To 0xba7bAC71...dCA07b104 produced 6 Internal Transactions
Type Trace Address | From | To | Value | Gas Limit | |
---|---|---|---|---|---|
call_0_1_1 | Sonic Labs: wS Token | 0xba7bAC71...dCA07b104 | 1,791.703155931231013846 S | 863,187 | |
call_0_1 | 0xba7bAC71...dCA07b104 | 0x303dC7FC...f58AfdC7D | 1,791.703155931231013846 S | 867,115 | |
call_0_1_1 | Sonic Labs: wS Token | 0xba7bAC71...dCA07b104 | 18.867956723073358889 S | 678,989 | |
call_0_1 | 0xba7bAC71...dCA07b104 | 0x303dC7FC...f58AfdC7D | 18.867956723073358889 S | 679,919 | |
call_0_1_1 | Sonic Labs: wS Token | 0xba7bAC71...dCA07b104 | 75.470688988318623952 S | 238,980 | |
call_0_1 | 0xba7bAC71...dCA07b104 | 0x303dC7FC...f58AfdC7D | 75.470688988318623952 S | 232,924 |
AA Txn Hash | Method | Position | From | Internal Txns | Token Txns | NFT Txns | Txn Fee (ETH) | Gas Limit |
---|
Transaction Receipt Event Logs
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x303dC7FC09A018f1C8c34d6D4F66115f58AfdC7D
- 2: to 0x3F8A68140B09bD060F27c1A76CcE330291a103fE
Data
- value :1460435000
-
Address
- 0x71e99522ead5e21cf57f1f542dc4ad2e841f7321 (Metropolis: METRO Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
- 2: to 0xE3F132867fC5cbb95D21C53c00647E8e7Cd6CF97
Data
- value :0
-
Address
- 0x71e99522ead5e21cf57f1f542dc4ad2e841f7321 (Metropolis: METRO Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
- 2: to 0x4f23aD2D66245b989EC1B80CB35BB8eF97B0f9ed
Data
- value :14893110023529411
Name
PositionModified (index_topic_1 uint256 pid, index_topic_2 address account, int256 deltaAmount, uint256 metroReward)View Source
Topics
- 0 0x0e006e790dc8db480892a6d5c0bf539c411db278e5185b07d46bdcc110ba6af5
- 1: pid 11
- 2: account 0x4f23aD2D66245b989EC1B80CB35BB8eF97B0f9ed
Data
- deltaAmount :0
- metroReward :14893110023529411
Name
Swap (index_topic_1 address sender, index_topic_2 address to, uint24 id, bytes32 amountsIn, bytes32 amountsOut, uint24 volatilityAccumulator, bytes32 totalFees, bytes32 protocolFees)View Source
Topics
- 0 0xad7d6f97abf51ce18e17a38f4d70e975be9c0708474987bb3e26ad21bd93ca70
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- id :8374678
- amountsIn :000000000000000000000000410A205A00000000000000000000000000000000
- amountsOut :000000000000000000000000000000000000000000000048328D6F2061FB4E79
- volatilityAccumulator :6523
- totalFees :0000000000000000000000000029B54600000000000000000000000000000000
- protocolFees :000000000000000000000000000A6D5100000000000000000000000000000000
Name
Swap (index_topic_1 address sender, index_topic_2 address to, uint24 id, bytes32 amountsIn, bytes32 amountsOut, uint24 volatilityAccumulator, bytes32 totalFees, bytes32 protocolFees)View Source
Topics
- 0 0xad7d6f97abf51ce18e17a38f4d70e975be9c0708474987bb3e26ad21bd93ca70
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- id :8374679
- amountsIn :00000000000000000000000015F45EDD00000000000000000000000000000000
- amountsOut :0000000000000000000000000000000000000000000000185261439261FB7DCD
- volatilityAccumulator :16523
- totalFees :000000000000000000000000000E2EC100000000000000000000000000000000
- protocolFees :00000000000000000000000000038BB000000000000000000000000000000000
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x3F8A68140B09bD060F27c1A76CcE330291a103fE
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :1780466221014442232902
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xde861c8Fc9AB78fE00490C5a38813D26e2d09C95
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :1791703155931231013846
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xde861c8Fc9AB78fE00490C5a38813D26e2d09C95
Data
- value :1780466221014442232902
Name
Swap (index_topic_1 address sender, index_topic_2 address recipient, int256 amount0, int256 amount1, uint160 sqrtPriceX96, uint128 liquidity, int24 tick)View Source
Topics
- 0 0xc42079f94a6350d7e6235f29174924f928cc2ac818eb64fed8004e115fbcca67
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: recipient 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount0 :-1791703155931231013846
- amount1 :1780466221014442232902
- sqrtPriceX96 :78977549748588003378038983067
- liquidity :100006369490380713171579677049
- tick :-64
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: spender 0xde861c8Fc9AB78fE00490C5a38813D26e2d09C95
Data
- value :1791703155931231013846
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0x0000000000000000000000000000000000000000
Data
- value :1791703155931231013846
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Withdrawal (index_topic_1 address account, uint256 value)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: account 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :1791703155931231013846
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x303dC7FC09A018f1C8c34d6D4F66115f58AfdC7D
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :15373000
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: spender 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- value :15373000
-
Address
- 0xba12222222228d8ba445958a75a0704d566bf2c8 (Beets: Vault V2)
Name
Swap (index_topic_1 bytes32 poolId, index_topic_2 address tokenIn, index_topic_3 address tokenOut, uint256 amountIn, uint256 amountOut)View Source
Topics
- 0 0x2170c741c41531aec20e7c107c24eecfdd15e69c9bb0a8dd37b1840b9e0b207b
- 1: poolId 442DF4BDCFC5AFB11571DAD8885FF51A9D15E753000200000000000000000036
- 2: tokenIn 0x29219dd400f2Bf60E5a23d13Be72B486D4038894
- 3: tokenOut 0xE5DA20F15420aD15DE0fa650600aFc998bbE3955
Data
- amountIn :15373000
- amountOut :18749623842578182916
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- value :15373000
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xBA12222222228d8Ba445958a75a0704d566BF2C8
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :18749623842578182916
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xde861c8Fc9AB78fE00490C5a38813D26e2d09C95
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :18867956723073358889
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xde861c8Fc9AB78fE00490C5a38813D26e2d09C95
Data
- value :18749623842578182916
Name
Swap (index_topic_1 address sender, index_topic_2 address recipient, int256 amount0, int256 amount1, uint160 sqrtPriceX96, uint128 liquidity, int24 tick)View Source
Topics
- 0 0xc42079f94a6350d7e6235f29174924f928cc2ac818eb64fed8004e115fbcca67
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: recipient 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount0 :-18867956723073358889
- amount1 :18749623842578182916
- sqrtPriceX96 :78977549763441371268800869142
- liquidity :100006369490380713171579677049
- tick :-64
-
Address
- 0xe5da20f15420ad15de0fa650600afc998bbe3955 (Beets: Staked Sonic)
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: spender 0xde861c8Fc9AB78fE00490C5a38813D26e2d09C95
Data
- value :18867956723073358889
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0x0000000000000000000000000000000000000000
Data
- value :18867956723073358889
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Withdrawal (index_topic_1 address account, uint256 value)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: account 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :18867956723073358889
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x303dC7FC09A018f1C8c34d6D4F66115f58AfdC7D
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :61492000
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: spender 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- value :61492000
-
Address
- 0xba12222222228d8ba445958a75a0704d566bf2c8 (Beets: Vault V2)
Name
Swap (index_topic_1 bytes32 poolId, index_topic_2 address tokenIn, index_topic_3 address tokenOut, uint256 amountIn, uint256 amountOut)View Source
Topics
- 0 0x2170c741c41531aec20e7c107c24eecfdd15e69c9bb0a8dd37b1840b9e0b207b
- 1: poolId CD4D2B142235D5650FFA6A38787ED0B7D7A51C0C000000000000000000000037
- 2: tokenIn 0x29219dd400f2Bf60E5a23d13Be72B486D4038894
- 3: tokenOut 0xd3DCe716f3eF535C5Ff8d041c1A41C3bd89b97aE
Data
- amountIn :61492000
- amountOut :61503721
-
Address
- 0x29219dd400f2bf60e5a23d13be72b486d4038894 (Sonic Labs: Bridged USDC.e Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- value :61492000
-
Address
- 0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xBA12222222228d8Ba445958a75a0704d566BF2C8
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount :61503721
-
Address
- 0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xEbcCE8b534A35E93c7Cf25f3FfF2F8202F9f0655
Data
- amount :61503721
-
Address
- 0x71e99522ead5e21cf57f1f542dc4ad2e841f7321 (Metropolis: METRO Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
- 2: to 0xE3F132867fC5cbb95D21C53c00647E8e7Cd6CF97
Data
- value :0
-
Address
- 0x71e99522ead5e21cf57f1f542dc4ad2e841f7321 (Metropolis: METRO Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x1a5Ded6adCfc64aceDE86151B1F142088C6E03da
- 2: to 0x9E3f2A82Ad9F0C83DE176E3108068635628403a0
Data
- value :446793300705882352
Name
PositionModified (index_topic_1 uint256 pid, index_topic_2 address account, int256 deltaAmount, uint256 metroReward)View Source
Topics
- 0 0x0e006e790dc8db480892a6d5c0bf539c411db278e5185b07d46bdcc110ba6af5
- 1: pid 5
- 2: account 0x9E3f2A82Ad9F0C83DE176E3108068635628403a0
Data
- deltaAmount :0
- metroReward :446793300705882352
Name
Swap (index_topic_1 address sender, index_topic_2 address to, uint24 id, bytes32 amountsIn, bytes32 amountsOut, uint24 volatilityAccumulator, bytes32 totalFees, bytes32 protocolFees)View Source
Topics
- 0 0xad7d6f97abf51ce18e17a38f4d70e975be9c0708474987bb3e26ad21bd93ca70
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- id :8374675
- amountsIn :00000000000000000000000003A9E2BF00000000000000000000000000000000
- amountsOut :000000000000000000000000000000000000000000000004175DBFC626B768D0
- volatilityAccumulator :1406
- totalFees :000000000000000000000000000258AA00000000000000000000000000000000
- protocolFees :0000000000000000000000000000962A00000000000000000000000000000000
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xEbcCE8b534A35E93c7Cf25f3FfF2F8202F9f0655
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :75470688988318623952
-
Address
- 0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name
Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 amount)View Source
Topics
- 0 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
- 1: owner 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: spender 0xEbcCE8b534A35E93c7Cf25f3FfF2F8202F9f0655
Data
- amount :75470688988318623952
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0x0000000000000000000000000000000000000000
Data
- value :75470688988318623952
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Withdrawal (index_topic_1 address account, uint256 value)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: account 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :75470688988318623952
Name
Swap (index_topic_1 address fromAddress, index_topic_2 address toAddress, address fromAssetAddress, address toAssetAddress, uint256 amountIn, uint256 amountOut)View Source
Topics
- 0 0x20efd6d5195b7b50273f01cd79a27989255356f9f13293edc53ee142accfdb75
- 1: fromAddress 0x303dC7FC09A018f1C8c34d6D4F66115f58AfdC7D
- 2: toAddress 0x303dC7FC09A018f1C8c34d6D4F66115f58AfdC7D
Data
- fromAssetAddress :0x29219dd400f2Bf60E5a23d13Be72B486D4038894
- toAssetAddress :0x0000000000000000000000000000000000000000
- amountIn :1537300000
- amountOut :1886041801642622996687
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.