diff --git a/components/NetworkResources.tsx b/components/NetworkResources.tsx
index b1188eb..25c483d 100644
--- a/components/NetworkResources.tsx
+++ b/components/NetworkResources.tsx
@@ -34,8 +34,8 @@ const NETWORK_DATA = {
       property: "EVM Explorer",
       value: {
         type: "link",
-        url: "https://explorer.tangle.tools",
-        text: "explorer.tangle.tools",
+        url: "https://basescan.org",
+        text: "basescan.org",
       },
     },
     { property: "Asset Details", value: "" },
diff --git a/components/TokenContracts.tsx b/components/TokenContracts.tsx
index 1e578b9..3fd4ee7 100644
--- a/components/TokenContracts.tsx
+++ b/components/TokenContracts.tsx
@@ -891,13 +891,7 @@ const TokenRow = memo(({ token }: { token: Token }) => (
       {token.isNative ? (
         "-"
       ) : (
-        <Link
-          href={`https://explorer.tangle.tools/address/${token.address}`}
-          target="_blank"
-          className="font-mono text-sm text-blue-600 dark:text-blue-400 hover:underline"
-        >
-          {token.address}
-        </Link>
+        <span className="font-mono text-sm">{token.address}</span>
       )}
     </TableCell>
   </TableRow>
diff --git a/pages/sandbox/quickstart.mdx b/pages/sandbox/quickstart.mdx
index 082f47c..e0a0b0b 100644
--- a/pages/sandbox/quickstart.mdx
+++ b/pages/sandbox/quickstart.mdx
@@ -33,7 +33,7 @@ const client = new Sandbox({
   baseUrl: process.env.SANDBOX_BASE_URL ?? "https://sandbox.tangle.tools",
 });
 
-const box = await client.create({ image: "universal", name: "agent-smoke" });
+const box = await client.create({ environment: "universal", name: "agent-smoke" });
 
 try {
   const result = await box.exec("node --version && npm --version");
@@ -51,7 +51,7 @@ Each sandbox runs one coding harness. Choose it with `backend.type`. `opencode`
 
 ```typescript
 const box = await client.create({
-  image: "universal",
+  environment: "universal",
   backend: { type: "opencode" },
 });
 
diff --git a/pages/sandbox/sdk-reference.mdx b/pages/sandbox/sdk-reference.mdx
index e7e76c6..559711d 100644
--- a/pages/sandbox/sdk-reference.mdx
+++ b/pages/sandbox/sdk-reference.mdx
@@ -30,7 +30,7 @@ Create a sandbox and get back a `SandboxInstance`. Common options:
 ```typescript
 const box = await client.create({
   name: "my-project",
-  image: "node:20",
+  environment: "node:20",
   backend: { type: "opencode" }, // coding harness; see supported harnesses below
   env: { NODE_ENV: "development" },
   resources: { cpuCores: 2, memoryMB: 4096, diskGB: 20 },
@@ -41,6 +41,9 @@ const box = await client.create({
 });
 ```
 
+`environment` accepts a named environment from `client.environments.list()`, a container image reference, or an SDK-built image ID.
+Omit it to use the server default.
+
 `backend.type` picks the coding harness. OpenCode is the default; Claude Code, Codex, and the other [supported harnesses](/infrastructure/harnesses) are selected the same way.
 
 ### `client.list(options?)` · `client.get(id)` · `client.usage()`