Transaction Details
Type Trace Address | From | To | Value | Gas Limit |
---|
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :164913924
-
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 0x5C4B7d607aAF7B5CDE9F09b5F03Cf3b5c923AEEa
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :203923072460615735843
-
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 0x5C4B7d607aAF7B5CDE9F09b5F03Cf3b5c923AEEa
Data
- value :164913924
Name
Swap (index_topic_1 address sender, index_topic_2 address recipient, int256 amount0, int256 amount1, uint160 price, uint128 liquidity, int24 tick)View Source
Topics
- 0 0xc42079f94a6350d7e6235f29174924f928cc2ac818eb64fed8004e115fbcca67
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: recipient 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount0 :-203923072460615735843
- amount1 :164913924
- price :71200277133936284294499
- liquidity :3670876122197665006
- tick :-278461
-
Address
- 0x3bce5cb273f0f148010bbea2470e7b5df84c7812 (Rings: scETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xFC64BD7c84F7Dc1387D6E752679a533F22f6F1DB
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount :62078000607486680
-
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 0xFC64BD7c84F7Dc1387D6E752679a533F22f6F1DB
Data
- value :203923072460615735843
Name
Swap (index_topic_1 address sender, index_topic_2 address recipient, int256 amount0, int256 amount1, uint160 price, uint128 liquidity, int24 tick)View Source
Topics
- 0 0xc42079f94a6350d7e6235f29174924f928cc2ac818eb64fed8004e115fbcca67
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: recipient 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount0 :203923072460615735843
- amount1 :-62078000607486680
- price :1384410712424420195672496729
- liquidity :64942037582145630559203
- tick :-80946
-
Address
- 0x3bce5cb273f0f148010bbea2470e7b5df84c7812 (Rings: scETH 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 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- amount :62078000607486680
-
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 E54DD58A6D4E04687F2034DD4DDAB49DA55F8AFF00000000000000000000007C
- 2: tokenIn 0x3bcE5CB273F0F148010BbEa2470e7b5df84C7812
- 3: tokenOut 0x50c42dEAcD8Fc9773493ED674b675bE577f2634b
Data
- amountIn :62078000607486680
- amountOut :62054510294726311
-
Address
- 0x3bce5cb273f0f148010bbea2470e7b5df84c7812 (Rings: scETH 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 0xBA12222222228d8Ba445958a75a0704d566BF2C8
Data
- amount :62078000607486680
-
Address
- 0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xBA12222222228d8Ba445958a75a0704d566BF2C8
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- value :62054510294726311
-
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :90436668
-
Address
- 0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xee10ED1F80b1480cd3b61de29961D5C46910d705
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- value :34029852504179549
-
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 0xee10ED1F80b1480cd3b61de29961D5C46910d705
Data
- value :90436668
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- amount0 :90436668
- amount1 :-34029852504179549
- sqrtPriceX96 :1537867081710328927381549939389784
- liquidity :16725224841689329
- tick :197481
-
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :2659902
-
Address
- 0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x2B2078C005608ed8C02Ffdee7a370a0D71b57354
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- value :1000946850883391
-
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 0x2B2078C005608ed8C02Ffdee7a370a0D71b57354
Data
- value :2659902
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- amount0 :2659902
- amount1 :-1000946850883391
- sqrtPriceX96 :1537280786188344609797358254317193
- liquidity :49748761573330
- tick :197473
-
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :2659902
-
Address
- 0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xfe809A1D337Bdfc98B77A1067e3819f66d8AD23F
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- value :1000878902831009
-
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 0xfe809A1D337Bdfc98B77A1067e3819f66d8AD23F
Data
- value :2659902
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- amount0 :2659902
- amount1 :-1000878902831009
- sqrtPriceX96 :1537854686042685790833767474288977
- liquidity :873975654483495
- tick :197481
-
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: to 0xbCbC5777537c0D0462fb82BA48Eeb6cb361E853f
Data
- value :2659902
-
Address
- 0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xbCbC5777537c0D0462fb82BA48Eeb6cb361E853f
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- value :1000866422711791
-
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 0xbCbC5777537c0D0462fb82BA48Eeb6cb361E853f
- 2: to 0x202c2D95a3e2Ae4b339f4703cCC8b2e552Ee3375
Data
- value :3324
Name
Fees (index_topic_1 address sender, uint256 amount0, uint256 amount1)View Source
Topics
- 0 0x112c256902bf554b6ed882d2936687aaeb4225e8cd5b51303c90ca6cf43a8602
- 1: sender 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- amount0 :3324
- amount1 :0
Name
Sync (uint256 reserve0, uint256 reserve1)View Source
Topics
- 0 0xcf2aa50876cdfbb541206f89af0ee78d44a2abf8d328e37fa4917f982149848a
Data
- reserve0 :13819879022
- reserve1 :5205641994829197764
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 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- amount0In :2659902
- amount1In :0
- amount0Out :0
- amount1Out :1000866422711791
-
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: to 0x56B404073C990E828691aF936bcfFf710f6c97A1
Data
- value :2659999
-
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 0xF8b4Bf5923103F0C69dEeDd96B967271FFf03810
Data
- value :42197145066666666
Name
PositionModified (index_topic_1 uint256 pid, index_topic_2 address account, int256 deltaAmount, uint256 metroReward)View Source
Topics
- 0 0x0e006e790dc8db480892a6d5c0bf539c411db278e5185b07d46bdcc110ba6af5
- 1: pid 9
- 2: account 0xF8b4Bf5923103F0C69dEeDd96B967271FFf03810
Data
- deltaAmount :0
- metroReward :42197145066666666
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 :8374671
- amountsIn :0000000000000000000000000028901700000000000000000000000000000000
- amountsOut :0000000000000000000000000000000000000000000000002DA928210F063A93
- volatilityAccumulator :13374
- totalFees :00000000000000000000000000001A2100000000000000000000000000000000
- protocolFees :0000000000000000000000000000068800000000000000000000000000000000
-
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 0x56B404073C990E828691aF936bcfFf710f6c97A1
- 2: to 0xba7bAC71a8Ee550d89B827FE6d67bc3dCA07b104
Data
- value :3290205125221956243
-
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 0xdD93c63fFC4B4a85daaec86a4752D616E03a3015
Data
- value :3290205125221956243
-
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 0x14b42E367D5A114479a9569d2e06f7223Db4ed53
Data
- value :1054928626666666666
Name
PositionModified (index_topic_1 uint256 pid, index_topic_2 address account, int256 deltaAmount, uint256 metroReward)View Source
Topics
- 0 0x0e006e790dc8db480892a6d5c0bf539c411db278e5185b07d46bdcc110ba6af5
- 1: pid 10
- 2: account 0x14b42E367D5A114479a9569d2e06f7223Db4ed53
Data
- deltaAmount :0
- metroReward :1054928626666666666
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- id :8391850
- amountsIn :00000000000000002DA06314E32D23CB00000000000000000000000000000000
- amountsOut :00000000000000000000000000000000000000000000000000038E3C449E5D4F
- volatilityAccumulator :3225
- totalFees :000000000000000000231430AF645B2100000000000000000000000000000000
- protocolFees :00000000000000000008C50C2BD916C800000000000000000000000000000000
-
Address
- 0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xdD93c63fFC4B4a85daaec86a4752D616E03a3015
- 2: to 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- value :1000814430543183
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 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
- 2: toAddress 0xC6F1130C96f232b17AB1Dd924d8B749717dF91E8
Data
- fromAssetAddress :0x29219dd400f2Bf60E5a23d13Be72B486D4038894
- toAssetAddress :0x50c42dEAcD8Fc9773493ED674b675bE577f2634b
- amountIn :265990297
- amountOut :100087869405875234
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.