S Price: $0.407744 (-1.01%)

Transaction Details

Transaction Hash:
0xbf5d64cc5b547d6725e918f5b59952498df5099ada31b14aeec679126fea3956
Status:
Success
Block:
43692242796090 Block Confirmations
Timestamp:
22 days ago (Jan-18-2025 08:14:07 AM UTC)
Transaction Action:
From:
0x8Bc0AEE1276DD867a92FAd7afFA7AF252569eCae
Interacted With (To):
0x9B500c0a544B870D9C4c441147dCaEf599e542E7
ERC-20 Tokens Transferred: 30
ERC-721 Tokens Transferred: 2
Value:
Sonic LogoSonic LogoSonic Logo0 S ($0.00)
Transaction Fee:
0.1298584705 S $0.05
Gas Price:
60.5 Gwei (0.0000000605 S)
S Price:
$0.68 / S
Gas Limit & Usage by Txn:
3,823,843 | 2,146,421 (56.13%)
Gas Fees:
Base: 50 Gwei |Max: 60.5 Gwei |Max Priority: 60.5 Gwei
Burnt & Txn Savings Fees:
🔥 Burnt: 0.1298584705 S 💸 Txn Savings: 0 S
Other Attributes:
Txn Type: 2 (EIP-1559) Nonce: 5763 Position In Block: 0
Input Data:
Private Note:
To access the Private Note feature, you must be Logged In
Invoked Transactions
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
0
Address
0x0b2a31d95b1a4c8b1e772599ffcb8875fb4e2d33
Name

SafeModuleTransaction (address module, address to, uint256 value, bytes data, uint8 operation)View Source

Topics
  • 0 0xb648d3644f584ed1c2232d53c46d87e693586486ad0d1175f8656013110b714e
Data
  • module :0x700782D8c718D414215deF813b2f57B36DAAa6d8
  • to :0xF77CeeD15596BfC127D17bA45dEA9767BC349Be0
  • value :0
  • data :D87346AAFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF6000000000000000000000000000000000000000000000000000000000000000AFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF60000000000000000000000000000000000000000000000000000000000000007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFB7D46EE9E
  • operation :0
1
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
Data
  • value :711
2
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :499151
3
Address
0xdd35c88b1754879ef86bbf3a24f81fcca5eb6b5d
Name

Collect (index_topic_1 address owner, address recipient, index_topic_2 int24 bottomTick, index_topic_3 int24 topTick, uint128 amount0, uint128 amount1)View Source

Topics
Data
  • recipient :0xF77CeeD15596BfC127D17bA45dEA9767BC349Be0
  • amount0 :711
  • amount1 :499151
4
Address
0xd82fe82244ad01aad671576202f9b46b76fadfe2
Name

Collect (index_topic_1 uint256 tokenId, address recipient, uint256 amount0, uint256 amount1)View Source

Topics
  • 0 0x40d0efd1a53d60ecbf40971b9daf7dc90178c3aadc7aab1765632738fa8b8f01
  • 1: tokenId 3289
Data
  • recipient :0xF77CeeD15596BfC127D17bA45dEA9767BC349Be0
  • amount0 :711
  • amount1 :499151
5
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
Data
  • value :662
6
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :464959
7
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
Data
  • value :31
8
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
Data
  • value :17
9
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :22793
10
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :11398
11
Address
0xdd35c88b1754879ef86bbf3a24f81fcca5eb6b5d
Name

Burn (index_topic_1 address owner, index_topic_2 int24 bottomTick, index_topic_3 int24 topTick, uint128 liquidityAmount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • liquidityAmount :777001679913402
  • amount0 :97155831367
  • amount1 :679721998879
12
Address
0xd82fe82244ad01aad671576202f9b46b76fadfe2
Name

DecreaseLiquidity (index_topic_1 uint256 tokenId, uint128 liquidity, uint128 withdrawalFeeliquidity, uint256 amount0, uint256 amount1)View Source

Topics
  • 0 0x5e41cd741a4f79d713bd0c5670fae681a19f07bb5eca4955e68e322e9e152872
  • 1: tokenId 3289
Data
  • liquidity :777001679913402
  • withdrawalFeeliquidity :0
  • amount0 :97155831367
  • amount1 :679721998879
13
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
Data
  • value :97155831367
14
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :679721998879
15
Address
0xdd35c88b1754879ef86bbf3a24f81fcca5eb6b5d
Name

Collect (index_topic_1 address owner, address recipient, index_topic_2 int24 bottomTick, index_topic_3 int24 topTick, uint128 amount0, uint128 amount1)View Source

Topics
Data
  • recipient :0xF77CeeD15596BfC127D17bA45dEA9767BC349Be0
  • amount0 :97155831367
  • amount1 :679721998879
16
Address
0xd82fe82244ad01aad671576202f9b46b76fadfe2
Name

Collect (index_topic_1 uint256 tokenId, address recipient, uint256 amount0, uint256 amount1)View Source

Topics
  • 0 0x40d0efd1a53d60ecbf40971b9daf7dc90178c3aadc7aab1765632738fa8b8f01
  • 1: tokenId 3289
Data
  • recipient :0xF77CeeD15596BfC127D17bA45dEA9767BC349Be0
  • amount0 :97155831367
  • amount1 :679721998879
17
Address
0xd82fe82244ad01aad671576202f9b46b76fadfe2
Name

Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source

Topics
Data
    0x
18
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
Data
  • value :19356118814
19
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :19373035874
20
Address
0xdd35c88b1754879ef86bbf3a24f81fcca5eb6b5d
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
Data
  • amount0 :-19356118814
  • amount1 :19373035874
  • price :79259758877915866137603267337
  • liquidity :812170809470594
  • tick :7
21
Address
0xf77ceed15596bfc127d17ba45dea9767bc349be0
Name

Rebalance (int24 tick, uint256 totalAmount0, uint256 totalAmount1, uint256 feeAmount0, uint256 feeAmount1, uint256 totalSupply)View Source

Topics
  • 0 0xbc4c20ad04f161d631d9ce94d27659391196415aa3c42f6a71c62e905ece782d
Data
  • tick :7
  • totalAmount0 :116622428516
  • totalAmount1 :747987311248
  • feeAmount0 :711
  • feeAmount1 :499151
  • totalSupply :864479512878472
22
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
Data
  • value :84238852206
23
Address
0xd3dce716f3ef535c5ff8d041c1a41c3bd89b97ae (Rings: scUSD Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 amount)View Source

Topics
Data
  • amount :747987311248
24
Address
0xdd35c88b1754879ef86bbf3a24f81fcca5eb6b5d
Name

Mint (address sender, index_topic_1 address owner, index_topic_2 int24 bottomTick, index_topic_3 int24 topTick, uint128 liquidityAmount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • sender :0xd82Fe82244ad01AaD671576202F9b46b76fAdFE2
  • liquidityAmount :832343482466361
  • amount0 :84238852206
  • amount1 :747987311248
25
Address
0xd82fe82244ad01aad671576202f9b46b76fadfe2
Name

Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source

Topics
Data
    0x
26
Address
0xd82fe82244ad01aad671576202f9b46b76fadfe2
Name

IncreaseLiquidity (index_topic_1 uint256 tokenId, uint128 liquidityDesired, uint128 actualLiquidity, uint256 amount0, uint256 amount1, address pool)View Source

Topics
  • 0 0x8a82de7fe9b33e0e6bca0e26f5bd14a74f1164ffe236d50e0a36c3ea70f2b814
  • 1: tokenId 3306
Data
  • liquidityDesired :832343482466361
  • actualLiquidity :832343482466361
  • amount0 :84238852206
  • amount1 :747987311248
  • pool :0xDd35c88B1754879EF86BBF3A24F81fCCA5Eb6B5D
27
Address
0x0b2a31d95b1a4c8b1e772599ffcb8875fb4e2d33
Name

ExecutionFromModuleSuccess (index_topic_1 address module)View Source

Topics
Data
    0x
28
Address
0x700782d8c718d414215def813b2f57b36daaa6d8
Topics
  • 0 0x7bd014c0b8e4336539d82e1cd1e4f4c23d6b340cde432f9d27661e7437a4c7bf
  • 1 0x0000000000000000000000009b500c0a544b870d9c4c441147dcaef599e542e7
Data
  • 0000000000000000000000000000000000000000000000000000000000000000
  • 0000000000000000000000000000000000000000000000000000000000000000
  • 0000000000000000000000000000000000000000000000000000000000000007
  • 0000000000000000000000000000000000000000000000000000000000000000
  • 0000000000000000000000000000000000000000000000000000000000000001
  • 0000000000000000000000000000000000000000000000000000000000000001
  • 0000000000000000000000000000000000000000000000000000000482b91162
29
Address
0x0b2a31d95b1a4c8b1e772599ffcb8875fb4e2d33
Name

SafeModuleTransaction (address module, address to, uint256 value, bytes data, uint8 operation)View Source

Topics
  • 0 0xb648d3644f584ed1c2232d53c46d87e693586486ad0d1175f8656013110b714e
Data
  • module :0x5AcdD438F8b7a8C088b69a8a12a49Dd90e34a8A1
  • to :0x187b22C2e64365b1Ed8Fd1dE00a29341612a8d0e
  • value :0
  • data :D87346AA000000000000000000000000000000000000000000000000000000000002FB3000000000000000000000000000000000000000000000000000000000000D89E8000000000000000000000000000000000000000000000000000000000002F888000000000000000000000000000000000000000000000000000000000002FB300000000000000000000000000000000000000000000000000000000000000000
  • operation :0
30
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Burn (index_topic_1 address owner, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • amount :0
  • amount0 :0
  • amount1 :0
31
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Burn (index_topic_1 address owner, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • amount :0
  • amount0 :0
  • amount1 :0
32
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Burn (index_topic_1 address owner, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • amount :35291707018095
  • amount0 :2019507236
  • amount1 :3099254398280091
33
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
Data
  • value :2019520248
34
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :3104252823064949
35
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Collect (index_topic_1 address owner, address recipient, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount0, uint128 amount1)View Source

Topics
Data
  • recipient :0x187b22C2e64365b1Ed8Fd1dE00a29341612a8d0e
  • amount0 :2019520248
  • amount1 :3104252823064949
36
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Burn (index_topic_1 address owner, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • amount :343465894936296
  • amount0 :0
  • amount1 :199626602170267183
37
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :199626602170267183
38
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Collect (index_topic_1 address owner, address recipient, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount0, uint128 amount1)View Source

Topics
Data
  • recipient :0x187b22C2e64365b1Ed8Fd1dE00a29341612a8d0e
  • amount0 :0
  • amount1 :199626602170267183
39
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
Data
  • value :11710
40
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
Data
  • value :11710
41
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
Data
  • value :11707
42
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
Data
  • value :11707
43
Address
0x8310b7e5107bcc1e21f47c5c3f6034d1f66607b4
Name

NotifyReward (index_topic_1 address from, index_topic_2 address reward, index_topic_3 uint256 epoch, uint256 amount)View Source

Topics
Data
  • amount :11707
44
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
Data
  • value :3
45
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
Data
  • value :0
46
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source

Topics
Data
  • value :4498582306372
47
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :4498582306372
48
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source

Topics
Data
  • value :4497552402626
49
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :4497552402626
50
Address
0x8310b7e5107bcc1e21f47c5c3f6034d1f66607b4
Name

NotifyReward (index_topic_1 address from, index_topic_2 address reward, index_topic_3 uint256 epoch, uint256 amount)View Source

Topics
Data
  • amount :4497552402626
51
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :1029903746
52
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Approval (index_topic_1 address owner, index_topic_2 address spender, uint256 value)View Source

Topics
Data
  • value :0
53
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
Data
  • value :585
54
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
Data
  • value :716
55
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :224929115318
56
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :274913363167
57
Address
0x187b22c2e64365b1ed8fd1de00a29341612a8d0e
Name

Rebalance (int24 tick, uint256 totalAmount0, uint256 totalAmount1, uint256 feeAmount0, uint256 feeAmount1, uint256 totalSupply)View Source

Topics
  • 0 0xbc4c20ad04f161d631d9ce94d27659391196415aa3c42f6a71c62e905ece782d
Data
  • tick :195380
  • totalAmount0 :2020356120
  • totalAmount1 :202725856568547744
  • feeAmount0 :13012
  • feeAmount1 :4998424784858
  • totalSupply :850770998489719729579
58
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
Data
  • value :2020356120
59
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :146923088330420
60
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Mint (address sender, index_topic_1 address owner, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • sender :0x187b22C2e64365b1Ed8Fd1dE00a29341612a8d0e
  • amount :35306541602124
  • amount0 :2020356120
  • amount1 :146923088330420
61
Address
0x50c42deacd8fc9773493ed674b675be577f2634b (Sonic Labs: WETH Token)
Name

Transfer (index_topic_1 address from, index_topic_2 address to, uint256 value)View Source

Topics
Data
  • value :202578933480216840
62
Address
0xfe809a1d337bdfc98b77a1067e3819f66d8ad23f
Name

Mint (address sender, index_topic_1 address owner, index_topic_2 int24 tickLower, index_topic_3 int24 tickUpper, uint128 amount, uint256 amount0, uint256 amount1)View Source

Topics
Data
  • sender :0x187b22C2e64365b1Ed8Fd1dE00a29341612a8d0e
  • amount :346876577741775
  • amount0 :0
  • amount1 :202578933480216840
63
Address
0x0b2a31d95b1a4c8b1e772599ffcb8875fb4e2d33
Name

ExecutionFromModuleSuccess (index_topic_1 address module)View Source

Topics
Data
    0x
64
Address
0x5acdd438f8b7a8c088b69a8a12a49dd90e34a8a1
Topics
  • 0 0x83d650dc59755f5925dae9a8ffe19b0e39bd7d617366cbad03a66833ef38a45a
  • 1 0x0000000000000000000000009b500c0a544b870d9c4c441147dcaef599e542e7
Data
  • 0000000000000000000000000000000000000000000000000000000000000000
  • 0000000000000000000000000000000000000000000000000000000000001d66
  • 0000000000000000000000000000000000000000000000000000000000000003
  • 0000000000000000000000000000000000000000000000000000000000000000
  • 0000000000000000000000000000000000000000000000000000000000000002
  • 00000000000000000000000000000000000000000000000000000000c330c6ca
  • 0000000000000000000000000000000000000000000000000000000000000002
  • 00000000000000000000000000000000000000000000000000000000c330c6ca

                

            


            

                

                    

                        
Loading

                    

                    

                        
                    

                

            


            

            

                

                    

                        
Loading

                    

                    

                        
                    

                

            


            
        

        

        
        

            

                 
                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.