Transaction Details
The contract call From 0x47BeFfDe...Aba6C363d To 0xaC041Df4...50C5f2e9D produced 4 Internal Transactions
Type Trace Address | From | To | Value | Gas Limit | |
---|---|---|---|---|---|
call_0_1_1_1 | Sonic Labs: wS Token | 0x9b99e9c6...EcF2653FE | 378.918227309133962355 S | 608,552 | |
call_0_1_1 | 0x9b99e9c6...EcF2653FE | 0xaC041Df4...50C5f2e9D | 378.918227309133962355 S | 608,348 | |
call_0_1 | 0xaC041Df4...50C5f2e9D | 0xf557D8C4...674793277 | 0.040529093592984968 S | 623,106 | |
call_0_1 | 0xaC041Df4...50C5f2e9D | 0x47BeFfDe...Aba6C363d | 377.415650810216906752 S | 609,460 |
AA Txn Hash | Method | Position | From | Internal Txns | Token Txns | NFT Txns | Txn Fee (ETH) | Gas Limit |
---|
Transaction Receipt Event Logs
-
Address
- 0x79bbf4508b1391af3a0f4b30bb5fc4aa9ab0e07c (Hey Anon: Anon Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x47BeFfDeeDf173a9Bb63bc81446d079Aba6C363d
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :15193915852104594375
Name
Fee (uint16 fee)View Source
Topics
- 0 0x598b9f043c813aa6be3426ca60d1c65d17256312890be5118dab55b0775ebe2a
Data
- fee :3900
-
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 0x6671C0684b54E0a6F6Ee2f878F2B217Bca1F8291
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :65631842212647620921
-
Address
- 0x79bbf4508b1391af3a0f4b30bb5fc4aa9ab0e07c (Hey Anon: Anon Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x6671C0684b54E0a6F6Ee2f878F2B217Bca1F8291
Data
- value :2629054936482347883
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-65631842212647620921
- amount1 :2629054936482347883
- price :15827037791559881412861324023
- liquidity :109274095223699347954311
- tick :-32214
-
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 0x297000941c155962B04760EcAeAA422757F20bc1
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :120978925692664684014
-
Address
- 0x79bbf4508b1391af3a0f4b30bb5fc4aa9ab0e07c (Hey Anon: Anon Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x297000941c155962B04760EcAeAA422757F20bc1
Data
- value :4840732926273063800
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-120978925692664684014
- amount1 :4840732926273063800
- sqrtPriceX96 :15835949326257506057591351663
- liquidity :17350340722164466039683
- tick :-32203
-
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 0xdD83e2B79d51cDA83338AF4CF76dA70Efd6489a7
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :25516797999801762643
-
Address
- 0x79bbf4508b1391af3a0f4b30bb5fc4aa9ab0e07c (Hey Anon: Anon Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0xdD83e2B79d51cDA83338AF4CF76dA70Efd6489a7
Data
- value :1018396126828851155
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-25516797999801762643
- amount1 :1018396126828851155
- sqrtPriceX96 :15847359654016462767963776088
- liquidity :1727413906703901093811
- tick :-32189
-
Address
- 0x0e0ce4d450c705f8a0b6dd9d5123e3df2787d16b (Wagmi: WAGMI Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x8F76E0dEB376D81FD75028d47De0DA7af0a5547E
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :2426425755653007929171
-
Address
- 0x79bbf4508b1391af3a0f4b30bb5fc4aa9ab0e07c (Hey Anon: Anon Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x8F76E0dEB376D81FD75028d47De0DA7af0a5547E
Data
- value :5691102192162553664
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-2426425755653007929171
- amount1 :5691102192162553664
- sqrtPriceX96 :3833943995311108320924737752
- liquidity :83836648162809825925504
- tick :-60572
-
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 0x4c73DCBc7Ce87f6bcB71736BD6716C87e3fDB636
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :16681168
-
Address
- 0x79bbf4508b1391af3a0f4b30bb5fc4aa9ab0e07c (Hey Anon: Anon Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x4c73DCBc7Ce87f6bcB71736BD6716C87e3fDB636
Data
- value :1014629670357777873
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-16681168
- amount1 :1014629670357777873
- sqrtPriceX96 :19538552387101406904601159059281988
- liquidity :1427949235108575
- tick :248323
-
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 0x66dEF9aD68AcCB63D4C96dC13CB7a7f9d5E03aE5
- 2: to 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
Data
- value :8206603166509808471
-
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x66dEF9aD68AcCB63D4C96dC13CB7a7f9d5E03aE5
Data
- value :8241522583066200912
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
Data
- amount0 :8241522583066200912
- amount1 :-8206603166509808471
- price :79053751560894910518792838290
- liquidity :31436182958450029799481
- tick :-45
-
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x569c9f76Fb2DB1e56c46aE0e2b25C4e2b6393340
Data
- value :258803
-
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 0x569c9f76Fb2DB1e56c46aE0e2b25C4e2b6393340
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :394378835293115263
Name
Sync (uint112 reserve0, uint112 reserve1)View Source
Topics
- 0 0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Data
- reserve0 :243443208177798841613
- reserve1 :159534138
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0In :0
- amount1In :258803
- amount0Out :394378835293115263
- amount1Out :0
-
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 0x5E44978AbF812De9Db3d9AbC8Ed0ed9fF4d0b20c
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :5288166033846047
-
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x5E44978AbF812De9Db3d9AbC8Ed0ed9fF4d0b20c
Data
- value :16422365
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :16422365
- amount1 :-5288166033846047
- sqrtPriceX96 :1422030680065713588822744822805479
- liquidity :4595980108490020
- tick :195915
-
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 0x5c68742e8E483519e942237f2c8cf294F0759180
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :24996596490895422075
-
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x5c68742e8E483519e942237f2c8cf294F0759180
Data
- value :5288166033846047
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-24996596490895422075
- amount1 :5288166033846047
- sqrtPriceX96 :1152120823439751737924523537
- liquidity :5282448986441131544651
- tick :-84619
-
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 0xCB1698A454b957f20b61Ba7e8EDD9e169baA28Ae
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :141397554105603851007
-
Address
- 0x0e0ce4d450c705f8a0b6dd9d5123e3df2787d16b (Wagmi: WAGMI Token)
Name
Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0xCB1698A454b957f20b61Ba7e8EDD9e169baA28Ae
Data
- value :2426425755653007929171
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: recipient 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :-141397554105603851007
- amount1 :2426425755653007929171
- sqrtPriceX96 :327730570084971416263910366714
- liquidity :4663062653565278161588746
- tick :28398
-
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 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :8243654555293707344
-
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 0xB75C9073ea00AbDa9ff420b5Ae46fEe248993380
- 2: to 0xa57A7b71e60a8Ca9334DdaD38cc5db80239B123B
Data
- value :164132063330196
Name
Fees (index_topic_1 address sender, uint256 amount0, uint256 amount1)View Source
Topics
- 0 0x112c256902bf554b6ed882d2936687aaeb4225e8cd5b51303c90ca6cf43a8602
- 1: sender 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0 :0
- amount1 :164132063330196
Name
Sync (uint256 reserve0, uint256 reserve1)View Source
Topics
- 0 0xcf2aa50876cdfbb541206f89af0ee78d44a2abf8d328e37fa4917f982149848a
Data
- reserve0 :1548745517052324468240035
- reserve1 :1189312510585382315066536
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- amount0In :0
- amount1In :8206603166509808471
- amount0Out :8243654555293707344
- amount1Out :0
-
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 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
- 2: to 0x0000000000000000000000000000000000000000
Data
- value :378918227309133962355
-
Address
- 0x039e2fb66102314ce7b64ce5ce3e5183bc94ad38 (Sonic Labs: wS Token)
Name
Withdrawal (index_topic_1 address account, uint256 value)View Source
Topics
- 0 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65
- 1: account 0x9b99e9c620b2E2f09E0b9Fced8F679eEcF2653FE
Data
- value :378918227309133962355
Name
SafeReceived (index_topic_1 address sender, uint256 value)View Source
Topics
- 0 0x3d0ce9bfc3ed7d6862dbb28b2dea94561fe714a1b4d019aa8af39730d1ad7c3d
- 1: sender 0xaC041Df48dF9791B0654f1Dbbf2CC8450C5f2e9D
Data
- value :40529093592984968
Name
Swap (address sender, uint256 inputAmount, address inputToken, uint256 amountOut, address outputToken, int256 slippage, uint32 referralCode)View Source
Topics
- 0 0x823eaf01002d7353fbcadb2ea3305cc46fa35d799cb0914846d185ac06f8ad05
Data
- sender :0x47BeFfDeeDf173a9Bb63bc81446d079Aba6C363d
- inputAmount :15193915852104594375
- inputToken :0x79bbF4508B1391af3A0F4B30bb5FC4aa9ab0E07C
- amountOut :377415650810216906752
- outputToken :0x0000000000000000000000000000000000000000
- slippage :1451915131925824392
- referralCode :2500000001
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.