diff --git a/__fixtures__/misc/enforce-null-check-true/helpers.ts b/__fixtures__/misc/enforce-null-check-true/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/enforce-null-check-true/helpers.ts
+++ b/__fixtures__/misc/enforce-null-check-true/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-base64/helpers.ts b/__fixtures__/misc/output-base64/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-base64/helpers.ts
+++ b/__fixtures__/misc/output-base64/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-decimals/helpers.ts b/__fixtures__/misc/output-decimals/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-decimals/helpers.ts
+++ b/__fixtures__/misc/output-decimals/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-impl-interfaces-gen/helpers.ts b/__fixtures__/misc/output-impl-interfaces-gen/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-impl-interfaces-gen/helpers.ts
+++ b/__fixtures__/misc/output-impl-interfaces-gen/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/amino-interface-proto-optionality/helpers.ts b/__fixtures__/misc/output-proto-amino/amino-interface-proto-optionality/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/amino-interface-proto-optionality/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-interface-proto-optionality/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/amino-interface/helpers.ts b/__fixtures__/misc/output-proto-amino/amino-interface/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/amino-interface/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-interface/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/amino-legacy/helpers.ts b/__fixtures__/misc/output-proto-amino/amino-legacy/helpers.ts
index 07fccf9e2..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/amino-legacy/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-legacy/helpers.ts
@@ -4,9 +4,7 @@
 * and run the transpile command or npm scripts command that is used to regenerate this bundle.
 */
 
-import { Dec } from "@keplr-wallet/unit";
 
-  
 declare var self: any | undefined;
 declare var window: any | undefined;
 declare var global: any | undefined;
@@ -258,8 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
-export function padDecimal(decStr: string): string{
-  return decStr ? new Dec(decStr).toString() : decStr;
-}
-
diff --git a/__fixtures__/misc/output-proto-amino/amino-legacy/misc/tx.amino.ts b/__fixtures__/misc/output-proto-amino/amino-legacy/misc/tx.amino.ts
index 4f1a4b8ae..dc87e9a88 100644
--- a/__fixtures__/misc/output-proto-amino/amino-legacy/misc/tx.amino.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-legacy/misc/tx.amino.ts
@@ -2,7 +2,7 @@ import { EncodingTestForDontOmit, EncodingTestForDontOmitSDKType, EncodingTestFo
 import { AminoMsg, Pubkey } from "@cosmjs/amino";
 import { fromUtf8, toBase64, toUtf8, fromBase64 } from "@cosmjs/encoding";
 import { decodePubkey, encodePubkey } from "@cosmjs/proto-signing";
-import { padDecimal } from "../helpers";
+import { Decimal } from "@cosmjs/math";
 import { AccessConfig, AccessConfigSDKType, voteOptionFromJSON } from "./eval_request";
 import { Any, AnySDKType } from "../google/protobuf/any";
 import { Duration, DurationSDKType } from "../google/protobuf/duration";
@@ -255,10 +255,10 @@ export const AminoConverter = {
             type_url: el0.typeUrl,
             value: el0.value
           })),
-          dec: padDecimal(dOTests.dec),
-          d_o_dec: padDecimal(dOTests.dODec),
-          decs: dOTests.decs.map(el0 => padDecimal(el0)),
-          d_o_decs: dOTests.dODecs.map(el0 => padDecimal(el0))
+          dec: Decimal.fromUserInput(dOTests.dec, 18).atomics,
+          d_o_dec: Decimal.fromUserInput(dOTests.dODec, 18).atomics,
+          decs: dOTests.decs.map(el0 => Decimal.fromUserInput(el0, 18).atomics),
+          d_o_decs: dOTests.dODecs.map(el0 => Decimal.fromUserInput(el0, 18).atomics)
         },
         o_tests: {
           str: oTests.str,
@@ -331,10 +331,10 @@ export const AminoConverter = {
             type_url: el0.typeUrl,
             value: el0.value
           })),
-          dec: padDecimal(oTests.dec),
-          o_dec: padDecimal(oTests.oDec),
-          decs: oTests.decs.map(el0 => padDecimal(el0)),
-          o_decs: oTests.oDecs.map(el0 => padDecimal(el0))
+          dec: Decimal.fromUserInput(oTests.dec, 18).atomics,
+          o_dec: Decimal.fromUserInput(oTests.oDec, 18).atomics,
+          decs: oTests.decs.map(el0 => Decimal.fromUserInput(el0, 18).atomics),
+          o_decs: oTests.oDecs.map(el0 => Decimal.fromUserInput(el0, 18).atomics)
         }
       };
     },
diff --git a/__fixtures__/misc/output-proto-amino/amino-msg-no-func/helpers.ts b/__fixtures__/misc/output-proto-amino/amino-msg-no-func/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/amino-msg-no-func/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-msg-no-func/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/amino-msg-with-func/helpers.ts b/__fixtures__/misc/output-proto-amino/amino-msg-with-func/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/amino-msg-with-func/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-msg-with-func/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/amino-no-msg-with-func/helpers.ts b/__fixtures__/misc/output-proto-amino/amino-no-msg-with-func/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/amino-no-msg-with-func/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/amino-no-msg-with-func/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/no-amino-legacy-no-proto/helpers.ts b/__fixtures__/misc/output-proto-amino/no-amino-legacy-no-proto/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/no-amino-legacy-no-proto/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/no-amino-legacy-no-proto/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/no-amino-legacy/helpers.ts b/__fixtures__/misc/output-proto-amino/no-amino-legacy/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/no-amino-legacy/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/no-amino-legacy/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/no-amino-no-proto/helpers.ts b/__fixtures__/misc/output-proto-amino/no-amino-no-proto/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/no-amino-no-proto/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/no-amino-no-proto/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/no-amino/helpers.ts b/__fixtures__/misc/output-proto-amino/no-amino/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/no-amino/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/no-amino/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/proto-only-legacy/helpers.ts b/__fixtures__/misc/output-proto-amino/proto-only-legacy/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/proto-only-legacy/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/proto-only-legacy/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-proto-amino/proto-only/helpers.ts b/__fixtures__/misc/output-proto-amino/proto-only/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-proto-amino/proto-only/helpers.ts
+++ b/__fixtures__/misc/output-proto-amino/proto-only/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output-scalar-default-nullable-true/helpers.ts b/__fixtures__/misc/output-scalar-default-nullable-true/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output-scalar-default-nullable-true/helpers.ts
+++ b/__fixtures__/misc/output-scalar-default-nullable-true/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/misc/output/helpers.ts b/__fixtures__/misc/output/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/misc/output/helpers.ts
+++ b/__fixtures__/misc/output/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputhelperfunc/helpers.ts b/__fixtures__/v-next/outputhelperfunc/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputhelperfunc/helpers.ts
+++ b/__fixtures__/v-next/outputhelperfunc/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputicjs/helpers.ts b/__fixtures__/v-next/outputicjs/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputicjs/helpers.ts
+++ b/__fixtures__/v-next/outputicjs/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputinstantrpc/helpers.ts b/__fixtures__/v-next/outputinstantrpc/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputinstantrpc/helpers.ts
+++ b/__fixtures__/v-next/outputinstantrpc/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputosmojs/helpers.ts b/__fixtures__/v-next/outputosmojs/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputosmojs/helpers.ts
+++ b/__fixtures__/v-next/outputosmojs/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputsign/helpers.ts b/__fixtures__/v-next/outputsign/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputsign/helpers.ts
+++ b/__fixtures__/v-next/outputsign/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputv2/helpers.ts b/__fixtures__/v-next/outputv2/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputv2/helpers.ts
+++ b/__fixtures__/v-next/outputv2/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputv3/helpers.ts b/__fixtures__/v-next/outputv3/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputv3/helpers.ts
+++ b/__fixtures__/v-next/outputv3/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/__fixtures__/v-next/outputv4/helpers.ts b/__fixtures__/v-next/outputv4/helpers.ts
index c78a8db51..b0f2cd862 100644
--- a/__fixtures__/v-next/outputv4/helpers.ts
+++ b/__fixtures__/v-next/outputv4/helpers.ts
@@ -256,4 +256,3 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-
diff --git a/packages/ast/src/encoding/amino/converter/__snapshots__/amino-converter.spec.ts.snap b/packages/ast/src/encoding/amino/converter/__snapshots__/amino-converter.spec.ts.snap
index adbf9754b..2d93eb33c 100644
--- a/packages/ast/src/encoding/amino/converter/__snapshots__/amino-converter.spec.ts.snap
+++ b/packages/ast/src/encoding/amino/converter/__snapshots__/amino-converter.spec.ts.snap
@@ -232,9 +232,9 @@ exports[`cosmos/staking/v1beta1/tx AminoConverter useCosmosSDKDec 1`] = `
           details: description.details
         },
         commission: {
-          rate: padDecimal(commission.rate),
-          max_rate: padDecimal(commission.maxRate),
-          max_change_rate: padDecimal(commission.maxChangeRate)
+          rate: Decimal.fromUserInput(commission.rate, 18).atomics,
+          max_rate: Decimal.fromUserInput(commission.maxRate, 18).atomics,
+          max_change_rate: Decimal.fromUserInput(commission.maxChangeRate, 18).atomics
         },
         min_self_delegation: minSelfDelegation,
         delegator_address: delegatorAddress,
@@ -296,7 +296,7 @@ exports[`cosmos/staking/v1beta1/tx AminoConverter useCosmosSDKDec 1`] = `
           details: description.details
         },
         validator_address: validatorAddress,
-        commission_rate: padDecimal(commissionRate),
+        commission_rate: Decimal.fromUserInput(commissionRate, 18).atomics,
         min_self_delegation: minSelfDelegation
       };
     },
diff --git a/packages/ast/src/encoding/amino/to-amino-json/utils.ts b/packages/ast/src/encoding/amino/to-amino-json/utils.ts
index 9baf1663a..6a2ed4f9b 100644
--- a/packages/ast/src/encoding/amino/to-amino-json/utils.ts
+++ b/packages/ast/src/encoding/amino/to-amino-json/utils.ts
@@ -81,12 +81,22 @@ export const toAmino = {
                     "cosmossdk.io/math.LegacyDec";
 
             if (isCosmosSDKDec) {
-                args.context.addUtil("padDecimal");
+                args.context.addUtil("Decimal");
                 return t.objectProperty(
                     t.identifier(args.context.aminoCaseField(args.field)),
-                    t.callExpression(t.identifier("padDecimal"), [
-                        memberExpressionOrIdentifier(args.scope),
-                    ])
+                    t.memberExpression(
+                        t.callExpression(
+                            t.memberExpression(
+                                t.identifier("Decimal"),
+                                t.identifier("fromUserInput")
+                            ),
+                            [
+                                memberExpressionOrIdentifier(args.scope),
+                                t.numericLiteral(18),
+                            ]
+                        ),
+                        t.identifier("atomics")
+                    )
                 );
             }
         }
@@ -495,9 +505,19 @@ export const arrayTypes = {
     },
 
     stringDec(varname: string, args: ToAminoParseField) {
-        args.context.addUtil("padDecimal");
-        return t.callExpression(t.identifier("padDecimal"), [
-            memberExpressionOrIdentifier([varname]),
-        ]);
+        args.context.addUtil("Decimal");
+        return t.memberExpression(
+            t.callExpression(
+                t.memberExpression(
+                    t.identifier("Decimal"),
+                    t.identifier("fromUserInput")
+                ),
+                [
+                    memberExpressionOrIdentifier([varname]),
+                    t.numericLiteral(18),
+                ]
+            ),
+            t.identifier("atomics")
+        );
     },
 };
diff --git a/packages/ast/types/encoding/amino/to-amino-json/utils.d.ts b/packages/ast/types/encoding/amino/to-amino-json/utils.d.ts
index 0d254f13b..81c5f5ba1 100644
--- a/packages/ast/types/encoding/amino/to-amino-json/utils.d.ts
+++ b/packages/ast/types/encoding/amino/to-amino-json/utils.d.ts
@@ -21,5 +21,5 @@ export declare const toAmino: {
 };
 export declare const arrayTypes: {
     long(varname: string): t.CallExpression;
-    stringDec(varname: string, args: ToAminoParseField): t.CallExpression;
+    stringDec(varname: string, args: ToAminoParseField): t.MemberExpression;
 };
diff --git a/packages/telescope/src/helpers/internal-for-bigint.ts b/packages/telescope/src/helpers/internal-for-bigint.ts
index 635313020..9308f4083 100644
--- a/packages/telescope/src/helpers/internal-for-bigint.ts
+++ b/packages/telescope/src/helpers/internal-for-bigint.ts
@@ -1,9 +1,7 @@
 import { TelescopeOptions } from "@cosmology/types";
 
 export const getHelperForBigint = (options: TelescopeOptions) => {
-  return `${options.aminoEncoding?.customTypes?.useCosmosSDKDec ? `import { Dec } from "@keplr-wallet/unit";
-
-  `: ""}
+  return `
 declare var self: any | undefined;
 declare var window: any | undefined;
 declare var global: any | undefined;
@@ -255,13 +253,5 @@ export function fromJsonTimestamp(o: any): Timestamp {
 function numberToLong(number: number) {
   return BigInt(Math.trunc(number));
 }
-${
-  options.aminoEncoding?.customTypes?.useCosmosSDKDec ?
-`
-export function padDecimal(decStr: string): string{
-  return decStr ? new Dec(decStr).toString() : decStr;
-}
-` : ""
-}
 `;
 };
diff --git a/packages/telescope/src/helpers/internal.ts b/packages/telescope/src/helpers/internal.ts
index fc5871530..ff08a4f1d 100644
--- a/packages/telescope/src/helpers/internal.ts
+++ b/packages/telescope/src/helpers/internal.ts
@@ -2,9 +2,7 @@ import { TelescopeOptions } from "@cosmology/types";
 
 export const getHelper = (options: TelescopeOptions) => {
   return `import * as _m0 from "protobufjs/minimal";
-import Long from 'long';${options.aminoEncoding?.customTypes?.useCosmosSDKDec ? `
-import { Dec } from "@keplr-wallet/unit";
-`: ""}
+import Long from 'long';
 
 // @ts-ignore
 if (_m0.util.Long !== Long) {
@@ -235,11 +233,6 @@ export function fromJsonTimestamp(o: any): Timestamp {
 
 function numberToLong(number: number) {
     return Long.fromNumber(number);
-}${options.aminoEncoding?.customTypes?.useCosmosSDKDec ? `
-
-export function padDecimal(decStr: string): string{
-  return decStr ? new Dec(decStr).toString() : decStr;
 }
-`: ""}
 `;
 }
\ No newline at end of file