Transaction Details
![](https://etherscan.io/token/images/openseapro_32.png)
The contract call From 0xc6aef939...d36d13Dc7 To 0x83C8F28c...56F8baBa2 produced 13 Internal Transactions
Type Trace Address | From | To | Value | Gas Limit | |
---|---|---|---|---|---|
call_0_1_1 | Gem: GemSwap 2 | 0x00000000...169EdE581 | 0.0073 ETH | 715,750 | |
call_0_1_1_1 | Seaport 1.1 | 0xf876d944...07747f007 | 0.00342 ETH | 563,876 | |
call_0_1_1_1 | Seaport 1.1 | 0x0000a26b...000fAa719 | 0.0001825 ETH | 553,876 | |
call_0_1_1_1 | Seaport 1.1 | 0x81625B1e...Dd1Ff70D4 | 0.0005475 ETH | 543,793 | |
call_0_1_1_1 | Seaport 1.1 | 0x42B32c56...64F7d2d1c | 0.00315 ETH | 533,794 | |
call_0_1_1 | Gem: GemSwap 2 | 0x74312363...65a67EeD3 | 0.0028 ETH | 453,140 | |
call_0_1_1_1_1 | X2Y2: Exchange | 0xD823C605...d3e2d66cd | 0.000014 ETH | 316,969 | |
call_0_1_1_1_1 | X2Y2: Exchange | 0.00021 ETH | 306,929 | ||
call_0_1_1_1_1 | X2Y2: Exchange | 0.002576 ETH | 297,720 | ||
call_0_1_1 | Gem: GemSwap 2 | 0x74312363...65a67EeD3 | 0.0037 ETH | 249,393 | |
call_0_1_1_1_1 | X2Y2: Exchange | 0xD823C605...d3e2d66cd | 0.0000185 ETH | 146,509 | |
call_0_1_1_1_1 | X2Y2: Exchange | 0.0002775 ETH | 138,931 | ||
call_0_1_1_1_1 | X2Y2: Exchange | 0x7639121d...07fB8f4C1 | 0.003404 ETH | 131,691 |
Transaction Receipt Event Logs
-
Address
- Seaport 1.1
Name
OrderFulfilled (bytes32 orderHash, index_topic_1 address offerer, index_topic_2 address zone, address recipient, tuple[] offer, tuple[] consideration)View Source
Topics
- 0 0x9d9af8e38d66c62e2c12f0225249fd9d721c54b83f48d9352c97c6cacdcb6f31
- 1: offerer 0xf876d944452A0660257d551Edf15c7607747f007
- 2: zone 0x004C00500000aD104D7DBd00e3ae0A5C00560C00
Data
- b5921db7fb242d24665183897d74a5aebed9b68b49e44e375a540ed44e01acc2
- 000000000000000000000000c6aef9394574777c237fc10bb122589d36d13dc7
- 0000000000000000000000000000000000000000000000000000000000000080
- 0000000000000000000000000000000000000000000000000000000000000120
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000002
- 000000000000000000000000dec995f7bd1c165441375e318ae41f3b014b14d0
- 0000000000000000000000000000000000000000000000000000000000001208
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000003
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 000000000000000000000000000000000000000000000000000c2678cd21c000
- 000000000000000000000000f876d944452a0660257d551edf15c7607747f007
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 00000000000000000000000000000000000000000000000000005666e940f000
- 0000000000000000000000000000a26b00c1f0df003000390027140000faa719
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 00000000000000000000000000000000000000000000000000010334bbc2d000
- 00000000000000000000000081625b1e22e550d2163a16e49df9d67dd1ff70d4
-
Address
- Seaport 1.1
Name
OrderFulfilled (bytes32 orderHash, index_topic_1 address offerer, index_topic_2 address zone, address recipient, tuple[] offer, tuple[] consideration)View Source
Topics
- 0 0x9d9af8e38d66c62e2c12f0225249fd9d721c54b83f48d9352c97c6cacdcb6f31
- 1: offerer 0x42B32c56BC49B25b2E166CCfe0E703e64F7d2d1c
- 2: zone 0x004C00500000aD104D7DBd00e3ae0A5C00560C00
Data
- 360039868aea5ea6177ebf978209a286ac89aff9a4bd83411db05a4fbd840096
- 000000000000000000000000c6aef9394574777c237fc10bb122589d36d13dc7
- 0000000000000000000000000000000000000000000000000000000000000080
- 0000000000000000000000000000000000000000000000000000000000000120
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000002
- 000000000000000000000000dec995f7bd1c165441375e318ae41f3b014b14d0
- 0000000000000000000000000000000000000000000000000000000000000300
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000003
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 000000000000000000000000000000000000000000000000000b30e8870ae000
- 00000000000000000000000042b32c56bc49b25b2e166ccfe0e703e64f7d2d1c
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 00000000000000000000000000000000000000000000000000004f94ae6af800
- 0000000000000000000000000000a26b00c1f0df003000390027140000faa719
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000eebe0b40e800
- 00000000000000000000000081625b1e22e550d2163a16e49df9d67dd1ff70d4
Name
Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0xf876d944452A0660257d551Edf15c7607747f007
- 2: to 0xc6aef9394574777c237fC10Bb122589d36d13Dc7
- 3: tokenId 4616
Data
- 0x
Name
Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x42B32c56BC49B25b2E166CCfe0E703e64F7d2d1c
- 2: to 0xc6aef9394574777c237fC10Bb122589d36d13Dc7
- 3: tokenId 768
Data
- 0x
Name
Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x2bF5b69DC1665FBf4370F29862A44d09d48b8cDE
- 2: to 0x83C8F28c26bF6aaca652Df1DbBE0e1b56F8baBa2
- 3: tokenId 1329
Data
- 0x
-
Address
- X2Y2: Exchange
Name
EvProfit (bytes32 itemHash, address currency, address to, uint256 amount)View Source
Topics
- 0 0xe2c49856b032c255ae7e325d18109bc4e22a2804e2e49a017ec0f59f19cd447b
Data
- itemHash :C3B4B0157DB2BCCC35CCE2D3665836406A465A1AA7FADA8223D7B8F860EA01F1
- currency :0x0000000000000000000000000000000000000000
- to :0x2bF5b69DC1665FBf4370F29862A44d09d48b8cDE
- amount :2576000000000000
-
Address
- X2Y2: Exchange
Name
EvInventory (index_topic_1 bytes32 itemHash, address maker, address taker, uint256 orderSalt, uint256 settleSalt, uint256 intent, uint256 delegateType, uint256 deadline, address currency, bytes dataMask, tuple item, tuple detail)View Source
Topics
- 0 0x3cbb63f144840e5b1b0a38a7c19211d2e89de4d7c5faf8b2d3c1776c302d1d33
- 1: itemHash C3B4B0157DB2BCCC35CCE2D3665836406A465A1AA7FADA8223D7B8F860EA01F1
Data
- 0000000000000000000000002bf5b69dc1665fbf4370f29862a44d09d48b8cde
- 00000000000000000000000083c8f28c26bf6aaca652df1dbbe0e1b56f8baba2
- 00000000000000000000000000000000269ec3446adda813bc54aedb3f7fbbb4
- 00000000000000000000000000000000000000000000000000012225e40dc909
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000063bed7ac
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000160
- 0000000000000000000000000000000000000000000000000000000000000180
- 0000000000000000000000000000000000000000000000000000000000000260
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000009f295cd5f0000
- 0000000000000000000000000000000000000000000000000000000000000040
- 0000000000000000000000000000000000000000000000000000000000000080
- 0000000000000000000000000000000000000000000000000000000000000020
- 0000000000000000000000000000000000000000000000000000000000000001
- 000000000000000000000000dec995f7bd1c165441375e318ae41f3b014b14d0
- 0000000000000000000000000000000000000000000000000000000000000531
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000009f295cd5f0000
- c3b4b0157db2bccc35cce2d3665836406a465a1aa7fada8223d7b8f860ea01f1
- 000000000000000000000000f849de01b080adc3a814fabe1e2087475cf2e354
- 0000000000000000000000000000000000000000000000000000000000000160
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000180
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000002
- 0000000000000000000000000000000000000000000000000000000000001388
- 000000000000000000000000d823c605807cc5e6bd6fc0d7e4eea50d3e2d66cd
- 00000000000000000000000000000000000000000000000000000000000124f8
- 0000000000000000000000003680fd6cfdec94d2fca9fac09e3a62b5c2b970d1
-
Address
- Gem: GemSwap 2
Topics
- 0 0xe3ea1cf381f2243f06942c2f2a2e83597610c0c6433b186a49e1ac7a2eab73bf
Data
- 357a150b00000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000000000000000000000000000
- 0000016000000000000000000000000000000000000000000000000000000000
- 0000048000000000000000000000000000000000000000000000000000012225
- e40dc90900000000000000000000000000000000000000000000000000000000
- 639777b800000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000083c8f28c26bf6aaca652df1dbbe0e1b5
- 6f8baba200000000000000000000000000000000000000000000000000000000
- 00000000b978a26c807d50444d8af803cfad599ddd78fdbcd3fe90a579e3ea77
- 858b646d04734595f8eeec0c4b0e30d1775888d36f035b6a264f345661aa1a18
- 0e98c29d00000000000000000000000000000000000000000000000000000000
- 0000001b00000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000269ec3446adda813bc54aedb
- 3f7fbbb40000000000000000000000002bf5b69dc1665fbf4370f29862a44d09
- d48b8cde00000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 63bed7ac00000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 000001a000000000000000000000000000000000000000000000000000000000
- 000001c09afd8a32b7bc403d352a305d2cf7426a85d2c50582a96bd2b2f327a1
- aca84903402863ca6db451ec5d687459434006f2b196bac5170e559c2e1fe1b4
- 6c61cb1900000000000000000000000000000000000000000000000000000000
- 0000001c00000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 000000200000000000000000000000000000000000000000000000000009f295
- cd5f000000000000000000000000000000000000000000000000000000000000
- 0000004000000000000000000000000000000000000000000000000000000000
- 0000008000000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000000000000000000000000000
- 00000001000000000000000000000000dec995f7bd1c165441375e318ae41f3b
- 014b14d000000000000000000000000000000000000000000000000000000000
- 0000053100000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 000000000000000000000000000000000000000000000000000000000009f295
- cd5f0000c3b4b0157db2bccc35cce2d3665836406a465a1aa7fada8223d7b8f8
- 60ea01f1000000000000000000000000f849de01b080adc3a814fabe1e208747
- 5cf2e35400000000000000000000000000000000000000000000000000000000
- 0000016000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000018000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000200000000000000000000000000000000000000000000000000000000
- 00001388000000000000000000000000d823c605807cc5e6bd6fc0d7e4eea50d
- 3e2d66cd00000000000000000000000000000000000000000000000000000000
- 000124f80000000000000000000000003680fd6cfdec94d2fca9fac09e3a62b5
- c2b970d1
Name
Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x83C8F28c26bF6aaca652Df1DbBE0e1b56F8baBa2
- 2: to 0xc6aef9394574777c237fC10Bb122589d36d13Dc7
- 3: tokenId 1329
Data
- 0x
Name
Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x7639121d0962Aa42f646C58FF6f975C07fB8f4C1
- 2: to 0x83C8F28c26bF6aaca652Df1DbBE0e1b56F8baBa2
- 3: tokenId 902
Data
- 0x
-
Address
- X2Y2: Exchange
Name
EvProfit (bytes32 itemHash, address currency, address to, uint256 amount)View Source
Topics
- 0 0xe2c49856b032c255ae7e325d18109bc4e22a2804e2e49a017ec0f59f19cd447b
Data
- itemHash :2A367DD3CF8306ECE7552C2C60CC41035CF4159ED359B92820898C212E167FA9
- currency :0x0000000000000000000000000000000000000000
- to :0x7639121d0962Aa42f646C58FF6f975C07fB8f4C1
- amount :3404000000000000
-
Address
- X2Y2: Exchange
Name
EvInventory (index_topic_1 bytes32 itemHash, address maker, address taker, uint256 orderSalt, uint256 settleSalt, uint256 intent, uint256 delegateType, uint256 deadline, address currency, bytes dataMask, tuple item, tuple detail)View Source
Topics
- 0 0x3cbb63f144840e5b1b0a38a7c19211d2e89de4d7c5faf8b2d3c1776c302d1d33
- 1: itemHash 2A367DD3CF8306ECE7552C2C60CC41035CF4159ED359B92820898C212E167FA9
Data
- 0000000000000000000000007639121d0962aa42f646c58ff6f975c07fb8f4c1
- 00000000000000000000000083c8f28c26bf6aaca652df1dbbe0e1b56f8baba2
- 000000000000000000000000000000006de845124e5eb3e2539d10fc568ee51d
- 0000000000000000000000000000000000000000000000000002283a482c56e3
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000063bed9d1
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000160
- 0000000000000000000000000000000000000000000000000000000000000180
- 0000000000000000000000000000000000000000000000000000000000000260
- 0000000000000000000000000000000000000000000000000000000000000000
- 000000000000000000000000000000000000000000000000000d252161ab4000
- 0000000000000000000000000000000000000000000000000000000000000040
- 0000000000000000000000000000000000000000000000000000000000000080
- 0000000000000000000000000000000000000000000000000000000000000020
- 0000000000000000000000000000000000000000000000000000000000000001
- 000000000000000000000000dec995f7bd1c165441375e318ae41f3b014b14d0
- 0000000000000000000000000000000000000000000000000000000000000386
- 0000000000000000000000000000000000000000000000000000000000000001
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 000000000000000000000000000000000000000000000000000d252161ab4000
- 2a367dd3cf8306ece7552c2c60cc41035cf4159ed359b92820898c212e167fa9
- 000000000000000000000000f849de01b080adc3a814fabe1e2087475cf2e354
- 0000000000000000000000000000000000000000000000000000000000000160
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000180
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000002
- 0000000000000000000000000000000000000000000000000000000000001388
- 000000000000000000000000d823c605807cc5e6bd6fc0d7e4eea50d3e2d66cd
- 00000000000000000000000000000000000000000000000000000000000124f8
- 0000000000000000000000003680fd6cfdec94d2fca9fac09e3a62b5c2b970d1
-
Address
- Gem: GemSwap 2
Topics
- 0 0xe3ea1cf381f2243f06942c2f2a2e83597610c0c6433b186a49e1ac7a2eab73bf
Data
- 357a150b00000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000000000000000000000000000
- 0000016000000000000000000000000000000000000000000000000000000000
- 000004800000000000000000000000000000000000000000000000000002283a
- 482c56e300000000000000000000000000000000000000000000000000000000
- 639777b800000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000083c8f28c26bf6aaca652df1dbbe0e1b5
- 6f8baba200000000000000000000000000000000000000000000000000000000
- 0000000088aa0ba1c27bf9573474fef2ccb9982042ddcaf04b0da1ef27c90fa1
- 3c9761e87575c59d7e03586b80da6777dfc28068f8efc8e0b4549e840bf71599
- a5ac128800000000000000000000000000000000000000000000000000000000
- 0000001b00000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 00000020000000000000000000000000000000006de845124e5eb3e2539d10fc
- 568ee51d0000000000000000000000007639121d0962aa42f646c58ff6f975c0
- 7fb8f4c100000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 63bed9d100000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 000001a000000000000000000000000000000000000000000000000000000000
- 000001c0c89db04a99f4565de81d408639b26ae8c97d609c624c621522088028
- 45b04e4766c0e614c6bcc916a25f0c31ff4f104a114c0b131aa51c5fe4b5b158
- 0a3fa46e00000000000000000000000000000000000000000000000000000000
- 0000001c00000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 00000020000000000000000000000000000000000000000000000000000d2521
- 61ab400000000000000000000000000000000000000000000000000000000000
- 0000004000000000000000000000000000000000000000000000000000000000
- 0000008000000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000000000000000000000000000
- 00000001000000000000000000000000dec995f7bd1c165441375e318ae41f3b
- 014b14d000000000000000000000000000000000000000000000000000000000
- 0000038600000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000002000000000000000000000000000000000000000000000000000000000
- 0000000100000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 00000000000000000000000000000000000000000000000000000000000d2521
- 61ab40002a367dd3cf8306ece7552c2c60cc41035cf4159ed359b92820898c21
- 2e167fa9000000000000000000000000f849de01b080adc3a814fabe1e208747
- 5cf2e35400000000000000000000000000000000000000000000000000000000
- 0000016000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000018000000000000000000000000000000000000000000000000000000000
- 0000000000000000000000000000000000000000000000000000000000000000
- 0000000200000000000000000000000000000000000000000000000000000000
- 00001388000000000000000000000000d823c605807cc5e6bd6fc0d7e4eea50d
- 3e2d66cd00000000000000000000000000000000000000000000000000000000
- 000124f80000000000000000000000003680fd6cfdec94d2fca9fac09e3a62b5
- c2b970d1
Name
Transfer (index_topic_1 address from, index_topic_2 address to, index_topic_3 uint256 tokenId)View Source
Topics
- 0 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
- 1: from 0x83C8F28c26bF6aaca652Df1DbBE0e1b56F8baBa2
- 2: to 0xc6aef9394574777c237fC10Bb122589d36d13Dc7
- 3: tokenId 902
Data
- 0x
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.