diff --git a/README.md b/README.md
index ec7d5ef..c931755 100644
--- a/README.md
+++ b/README.md
@@ -131,6 +131,7 @@ Blockchain data is provided in the following structure:
   ],
   zero: String, // 0x0000000000000000000000000000000000000000
   maxInt: String, // 115792089237316195423570985008687907853269984665640564039457584007913129639935
+  permit2: String, // 0x000000000022D473030F116dDEE9F6B43aC78BA3 (Permit2 contract address)
 }
 ```
 
diff --git a/dist/esm/index.js b/dist/esm/index.js
index efe9bfc..344349e 100644
--- a/dist/esm/index.js
+++ b/dist/esm/index.js
@@ -50,6 +50,7 @@ var bsc = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$8 = 'data:image/svg+xml;base64,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';
@@ -107,6 +108,7 @@ var ethereum = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$7 = 'data:image/svg+xml;base64,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';
@@ -156,6 +158,7 @@ var fantom = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$6 = 'data:image/svg+xml;base64,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';
@@ -209,6 +212,7 @@ var polygon = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$5 = 'data:image/svg+xml;base64,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';
@@ -264,6 +268,7 @@ var solana = {
   ],
   zero: '0',
   maxInt: '340282366920938463463374607431768211455',
+  permit2: undefined
 };
 
 const logo$4 = 'data:image/svg+xml;base64,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';
@@ -314,6 +319,7 @@ var arbitrum = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$3 = 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAwIDEwMDAiIHhtbDpzcGFjZT0icHJlc2VydmUiPjxwYXRoIGQ9Ik0zNTkuMSA3NTEuMWgtOTUuM2MtMjAgMC0yOS45IDAtMzYtMy44LTYuNi00LjMtMTAuNC0xMS4zLTEwLjktMTguOS0uMy03LjEgNC42LTE1LjggMTQuNC0zM2wyMzUtNDE0LjNjMTAuMS0xNy42IDE1LjEtMjYuNCAyMS40LTI5LjYgNi45LTMuNSAxNS4xLTMuNSAyMS45IDAgNi40IDMuMyAxMS40IDEyIDIxLjQgMjkuNmw0OC40IDg0LjMuMi41YzEwLjggMTguOSAxNi4zIDI4LjUgMTguNiAzOC41IDIuNiAxMC45IDIuNiAyMi42IDAgMzMuNS0yLjQgMTAuMS03LjggMTkuOC0xOC44IDM4LjlMNDU2LjIgNjk0LjlsLS4zLjVjLTEwLjggMTktMTYuMyAyOC43LTI0LjEgMzYtOC4zIDgtMTguMyAxMy43LTI5LjMgMTYuOS05LjkgMi44LTIxLjEgMi44LTQzLjQgMi44em0yNDAuMyAwaDEzNi40YzIwLjIgMCAzMC4yIDAgMzYuMy00IDYuNi00LjMgMTAuNi0xMS4zIDEwLjktMTkuMS4zLTYuOS00LjUtMTUuMi0xMy45LTMxLjZsLTEtMS43TDY5OS44IDU3OGwtLjgtMS4yYy05LjYtMTYuMy0xNC40LTI0LjUtMjAuNy0yNy42LTYuOS0zLjYtMTUtMy42LTIxLjcgMC02LjIgMy4zLTExLjMgMTEuOC0yMS4zIDI5bC02OC4xIDExNi45LS4yLjNjLTEwLjEgMTcuMi0xNSAyNS44LTE0LjUgMzIuOC41IDcuNyA0LjUgMTQuOSAxMC45IDE5IDUuNyAzLjkgMTUuOCAzLjkgMzYgMy45eiIgZmlsbC1ydWxlPSJldmVub2RkIiBjbGlwLXJ1bGU9ImV2ZW5vZGQiIGZpbGw9IiNmZmYiLz48L3N2Zz4=';
@@ -366,6 +372,7 @@ var avalanche = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$2 = 'data:image/svg+xml;base64,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';
@@ -417,6 +424,7 @@ var gnosis = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo$1 = 'data:image/svg+xml;base64,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';
@@ -466,6 +474,7 @@ var optimism = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const logo = 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAwIDEwMDAiIHhtbDpzcGFjZT0icHJlc2VydmUiPjxwYXRoIGQ9Ik00OTguNiA4NDJDNjg4IDg0MiA4NDIgNjg4LjkgODQyIDQ5OS41UzY4OCAxNTcgNDk4LjYgMTU3QzMxOSAxNTcgMTcxLjIgMjk1LjEgMTU3IDQ3MC4zaDQ1My4xdjU3LjVIMTU3QzE3MiA3MDMuOSAzMTkgODQyIDQ5OC42IDg0MnoiIGZpbGw9IiNmZmYiLz48L3N2Zz4=';
@@ -514,6 +523,7 @@ var base = {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 };
 
 const all = [
diff --git a/dist/umd/index.js b/dist/umd/index.js
index 72306f6..003d47a 100644
--- a/dist/umd/index.js
+++ b/dist/umd/index.js
@@ -56,6 +56,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$8 = 'data:image/svg+xml;base64,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';
@@ -113,6 +114,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$7 = 'data:image/svg+xml;base64,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';
@@ -162,6 +164,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$6 = 'data:image/svg+xml;base64,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';
@@ -215,6 +218,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$5 = 'data:image/svg+xml;base64,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';
@@ -270,6 +274,7 @@
     ],
     zero: '0',
     maxInt: '340282366920938463463374607431768211455',
+    permit2: undefined
   };
 
   const logo$4 = 'data:image/svg+xml;base64,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';
@@ -320,6 +325,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$3 = 'data:image/svg+xml;base64,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';
@@ -372,6 +378,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$2 = 'data:image/svg+xml;base64,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';
@@ -423,6 +430,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo$1 = 'data:image/svg+xml;base64,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';
@@ -472,6 +480,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const logo = 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAxMDAwIDEwMDAiIHhtbDpzcGFjZT0icHJlc2VydmUiPjxwYXRoIGQ9Ik00OTguNiA4NDJDNjg4IDg0MiA4NDIgNjg4LjkgODQyIDQ5OS41UzY4OCAxNTcgNDk4LjYgMTU3QzMxOSAxNTcgMTcxLjIgMjk1LjEgMTU3IDQ3MC4zaDQ1My4xdjU3LjVIMTU3QzE3MiA3MDMuOSAzMTkgODQyIDQ5OC42IDg0MnoiIGZpbGw9IiNmZmYiLz48L3N2Zz4=';
@@ -520,6 +529,7 @@
     ],
     zero: '0x0000000000000000000000000000000000000000',
     maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+    permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
   };
 
   const all = [
diff --git a/package.json b/package.json
index 7b2d55f..6770e84 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@depay/web3-blockchains",
   "moduleName": "Web3Blockchains",
-  "version": "9.4.4",
+  "version": "9.5.0",
   "description": "JavaScript library containing aggregated information and abstractions for web3 blockchains.",
   "main": "dist/umd/index.js",
   "module": "dist/esm/index.js",
diff --git a/src/blockchains/arbitrum.js b/src/blockchains/arbitrum.js
index 55a3cf3..3ada48b 100644
--- a/src/blockchains/arbitrum.js
+++ b/src/blockchains/arbitrum.js
@@ -48,4 +48,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/avalanche.js b/src/blockchains/avalanche.js
index 7bc98ff..f5b7104 100644
--- a/src/blockchains/avalanche.js
+++ b/src/blockchains/avalanche.js
@@ -48,4 +48,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/base.js b/src/blockchains/base.js
index 57574a5..b724d2a 100644
--- a/src/blockchains/base.js
+++ b/src/blockchains/base.js
@@ -46,4 +46,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/bsc.js b/src/blockchains/bsc.js
index bc58afa..186af35 100644
--- a/src/blockchains/bsc.js
+++ b/src/blockchains/bsc.js
@@ -50,4 +50,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/ethereum.js b/src/blockchains/ethereum.js
index 40c5148..84627aa 100644
--- a/src/blockchains/ethereum.js
+++ b/src/blockchains/ethereum.js
@@ -53,6 +53,7 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
 
 
diff --git a/src/blockchains/fantom.js b/src/blockchains/fantom.js
index 4b56a69..5722416 100644
--- a/src/blockchains/fantom.js
+++ b/src/blockchains/fantom.js
@@ -45,4 +45,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/gnosis.js b/src/blockchains/gnosis.js
index 5496a37..d49afb1 100644
--- a/src/blockchains/gnosis.js
+++ b/src/blockchains/gnosis.js
@@ -47,4 +47,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/optimism.js b/src/blockchains/optimism.js
index 1ceae81..f558006 100644
--- a/src/blockchains/optimism.js
+++ b/src/blockchains/optimism.js
@@ -47,4 +47,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/polygon.js b/src/blockchains/polygon.js
index 7aea98f..ea8a5bd 100644
--- a/src/blockchains/polygon.js
+++ b/src/blockchains/polygon.js
@@ -49,4 +49,5 @@ export default {
   ],
   zero: '0x0000000000000000000000000000000000000000',
   maxInt: '115792089237316195423570985008687907853269984665640564039457584007913129639935',
+  permit2: '0x000000000022D473030F116dDEE9F6B43aC78BA3'
 }
diff --git a/src/blockchains/solana.js b/src/blockchains/solana.js
index 8b7d62f..f0a0c1e 100644
--- a/src/blockchains/solana.js
+++ b/src/blockchains/solana.js
@@ -51,4 +51,5 @@ export default {
   ],
   zero: '0',
   maxInt: '340282366920938463463374607431768211455',
+  permit2: undefined
 }