diff --git a/mainnet/base/base.json b/mainnet/base/base.json
new file mode 100644
index 000000000..d09636fe2
--- /dev/null
+++ b/mainnet/base/base.json
@@ -0,0 +1,29 @@
+{
+    "chainId": "base",
+    "chainName": "Base",
+    "explorerUrl": "https://base.blockscout.com",
+    "exploreTxUrl": "https://base.blockscout.com/tx/",
+    "evm": {
+        "chainId": "0x2105"
+    },
+    "ibc": {
+        "allowedDenoms": ["uusdc"]
+    },
+    "currencies": [
+        {
+            "displayDenom": "USDC",
+            "baseDenom": "uusdc",
+            "ibcRepresentation": "ibc/B3504E092456BA618CC28AC671A71FB08C6CA0FD0BE7C8A5B5A3E2DD933CC9E4",
+            "bridgeDenom": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
+            "decimals": 6,
+            "logo": "/logos/usdc-logo.svg",
+            "type": "regular",
+            "cctp": true
+        }
+    ],
+    "active": false,
+    "staging": true,
+    "logo": "/logos/base-logo.svg",
+    "type": "EVM",
+    "website": "https://www.base.org/"
+}
diff --git a/mainnet/base/logos/base-logo.svg b/mainnet/base/logos/base-logo.svg
new file mode 100644
index 000000000..23404d277
--- /dev/null
+++ b/mainnet/base/logos/base-logo.svg
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Layer_1" x="0px" y="0px" viewBox="0 0 2500 2500" style="enable-background:new 0 0 2500 2500;" xml:space="preserve">
+<g id="Layer_x0020_1">
+	<path fill="#2952ff" d="M1247.8,2500c691.6,0,1252.2-559.6,1252.2-1250C2500,559.6,1939.4,0,1247.8,0C591.7,0,53.5,503.8,0,1144.9h1655.1v210.2H0   C53.5,1996.2,591.7,2500,1247.8,2500z"></path>
+</g>
+</svg>
diff --git a/mainnet/base/logos/ethereum-eth-logo.svg b/mainnet/base/logos/ethereum-eth-logo.svg
new file mode 100644
index 000000000..684e96873
--- /dev/null
+++ b/mainnet/base/logos/ethereum-eth-logo.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Creator: CorelDRAW 2019 (64-Bit) -->
+<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" width="100%" height="100%" version="1.1" shape-rendering="geometricPrecision" text-rendering="geometricPrecision" image-rendering="optimizeQuality" fill-rule="evenodd" clip-rule="evenodd"
+viewBox="0 0 784.37 1277.39"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xodm="http://www.corel.com/coreldraw/odm/2003">
+ <g id="Layer_x0020_1">
+  <metadata id="CorelCorpID_0Corel-Layer"/>
+  <g id="_1421394342400">
+   <g>
+    <polygon fill="#343434" fill-rule="nonzero" points="392.07,0 383.5,29.11 383.5,873.74 392.07,882.29 784.13,650.54 "/>
+    <polygon fill="#8C8C8C" fill-rule="nonzero" points="392.07,0 -0,650.54 392.07,882.29 392.07,472.33 "/>
+    <polygon fill="#3C3C3B" fill-rule="nonzero" points="392.07,956.52 387.24,962.41 387.24,1263.28 392.07,1277.38 784.37,724.89 "/>
+    <polygon fill="#8C8C8C" fill-rule="nonzero" points="392.07,1277.38 392.07,956.52 -0,724.89 "/>
+    <polygon fill="#141414" fill-rule="nonzero" points="392.07,882.29 784.13,650.54 392.07,472.33 "/>
+    <polygon fill="#393939" fill-rule="nonzero" points="0,650.54 392.07,882.29 392.07,472.33 "/>
+   </g>
+  </g>
+ </g>
+</svg>
diff --git a/mainnet/base/logos/usdc-logo.svg b/mainnet/base/logos/usdc-logo.svg
new file mode 100644
index 000000000..5dfea926e
--- /dev/null
+++ b/mainnet/base/logos/usdc-logo.svg
@@ -0,0 +1,5 @@
+<svg data-name="86977684-12db-4850-8f30-233a7c267d11" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2000 2000">
+  <path d="M1000 2000c554.17 0 1000-445.83 1000-1000S1554.17 0 1000 0 0 445.83 0 1000s445.83 1000 1000 1000z" fill="#2775ca"/>
+  <path d="M1275 1158.33c0-145.83-87.5-195.83-262.5-216.66-125-16.67-150-50-150-108.34s41.67-95.83 125-95.83c75 0 116.67 25 137.5 87.5 4.17 12.5 16.67 20.83 29.17 20.83h66.66c16.67 0 29.17-12.5 29.17-29.16v-4.17c-16.67-91.67-91.67-162.5-187.5-170.83v-100c0-16.67-12.5-29.17-33.33-33.34h-62.5c-16.67 0-29.17 12.5-33.34 33.34v95.83c-125 16.67-204.16 100-204.16 204.17 0 137.5 83.33 191.66 258.33 212.5 116.67 20.83 154.17 45.83 154.17 112.5s-58.34 112.5-137.5 112.5c-108.34 0-145.84-45.84-158.34-108.34-4.16-16.66-16.66-25-29.16-25h-70.84c-16.66 0-29.16 12.5-29.16 29.17v4.17c16.66 104.16 83.33 179.16 220.83 200v100c0 16.66 12.5 29.16 33.33 33.33h62.5c16.67 0 29.17-12.5 33.34-33.33v-100c125-20.84 208.33-108.34 208.33-220.84z" fill="#fff"/>
+  <path d="M787.5 1595.83c-325-116.66-491.67-479.16-370.83-800 62.5-175 200-308.33 370.83-370.83 16.67-8.33 25-20.83 25-41.67V325c0-16.67-8.33-29.17-25-33.33-4.17 0-12.5 0-16.67 4.16-395.83 125-612.5 545.84-487.5 941.67 75 233.33 254.17 412.5 487.5 487.5 16.67 8.33 33.34 0 37.5-16.67 4.17-4.16 4.17-8.33 4.17-16.66v-58.34c0-12.5-12.5-29.16-25-37.5zM1229.17 295.83c-16.67-8.33-33.34 0-37.5 16.67-4.17 4.17-4.17 8.33-4.17 16.67v58.33c0 16.67 12.5 33.33 25 41.67 325 116.66 491.67 479.16 370.83 800-62.5 175-200 308.33-370.83 370.83-16.67 8.33-25 20.83-25 41.67V1700c0 16.67 8.33 29.17 25 33.33 4.17 0 12.5 0 16.67-4.16 395.83-125 612.5-545.84 487.5-941.67-75-237.5-258.34-416.67-487.5-491.67z" fill="#fff"/>
+</svg>