diff --git a/packages/sdk/src/asset-config.test.ts b/packages/sdk/src/asset-config.test.ts
index d3c5e9e..b303345 100644
--- a/packages/sdk/src/asset-config.test.ts
+++ b/packages/sdk/src/asset-config.test.ts
@@ -19,6 +19,18 @@ describe("validateAssetConfig - valid fixtures", () => {
     assert.equal(result.decimals, 7);
   });
 
+  it("accepts native config with boundary 0 decimals", () => {
+    const result = validateAssetConfig({ type: "native", decimals: 0 });
+    assert.equal(result.type, "native");
+    assert.equal(result.decimals, 0);
+  });
+
+  it("accepts native config with boundary 7 decimals", () => {
+    const result = validateAssetConfig({ type: "native", decimals: 7 });
+    assert.equal(result.type, "native");
+    assert.equal(result.decimals, 7);
+  });
+
   it("accepts full SAC USDC config", () => {
     const result = validateAssetConfig(ASSET_FIXTURES.valid.sac);
     assert.equal(result.type, "sac");
@@ -35,6 +47,26 @@ describe("validateAssetConfig - valid fixtures", () => {
     assert.equal(result.code, undefined);
   });
 
+  it("accepts SAC config with boundary 0 decimals", () => {
+    const result = validateAssetConfig({
+      type: "sac",
+      contractId: ASSET_FIXTURES.valid.sacMinimal.contractId,
+      decimals: 0,
+    });
+    assert.equal(result.type, "sac");
+    assert.equal(result.decimals, 0);
+  });
+
+  it("accepts SAC config with boundary 18 decimals", () => {
+    const result = validateAssetConfig({
+      type: "sac",
+      contractId: ASSET_FIXTURES.valid.sacMinimal.contractId,
+      decimals: 18,
+    });
+    assert.equal(result.type, "sac");
+    assert.equal(result.decimals, 18);
+  });
+
   it("accepts SAC config with metadata", () => {
     const result = validateAssetConfig(ASSET_FIXTURES.valid.sacWithMetadata);
     assert.equal(result.type, "sac");
@@ -90,6 +122,28 @@ describe("validateAssetConfig - invalid fixtures", () => {
     );
   });
 
+  it("rejects native decimals exceeding MAX_STROOPS_DECIMALS", () => {
+    assert.throws(
+      () => validateAssetConfig(ASSET_FIXTURES.invalid.nativeInvalidDecimals),
+      (e: AssetConfigError) => {
+        assert.equal(e.field, "decimals");
+        assert.match(e.message, /decimals must be 0-7/);
+        return true;
+      },
+    );
+  });
+
+  it("rejects native negative decimals", () => {
+    assert.throws(
+      () => validateAssetConfig({ type: "native", decimals: -1 }),
+      (e: AssetConfigError) => {
+        assert.equal(e.field, "decimals");
+        assert.match(e.message, /decimals must be 0-7/);
+        return true;
+      },
+    );
+  });
+
   it("rejects decimals exceeding MAX_TOKEN_DECIMALS", () => {
     assert.throws(
       () => validateAssetConfig(ASSET_FIXTURES.invalid.invalidDecimals),
diff --git a/packages/sdk/src/asset-config.ts b/packages/sdk/src/asset-config.ts
index de6ee03..be44851 100644
--- a/packages/sdk/src/asset-config.ts
+++ b/packages/sdk/src/asset-config.ts
@@ -128,10 +128,12 @@ export function validateAssetConfig(
 
   const decimals = validateNumber(raw.decimals, "decimals");
   if (decimals !== undefined) {
-    if (decimals < 0 || decimals > MAX_TOKEN_DECIMALS) {
+    const maxDecimals =
+      type === "native" ? MAX_STROOPS_DECIMALS : MAX_TOKEN_DECIMALS;
+    if (decimals < 0 || decimals > maxDecimals) {
       throw new AssetConfigError(
         "decimals",
-        `decimals must be 0-${MAX_TOKEN_DECIMALS}, got ${decimals}`,
+        `decimals must be 0-${maxDecimals}, got ${decimals}`,
       );
     }
     config.decimals = decimals;
@@ -214,6 +216,10 @@ export const ASSET_FIXTURES = {
       contractId: "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABSC4",
       decimals: 255,
     },
+    nativeInvalidDecimals: {
+      type: "native",
+      decimals: 8,
+    },
     negativeDecimals: {
       type: "sac",
       contractId: "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABSC4",