diff --git a/packages/bcp/src/cosmwasmconnection.ts b/packages/bcp/src/cosmwasmconnection.ts
index dd288a7d..a87e91a0 100644
--- a/packages/bcp/src/cosmwasmconnection.ts
+++ b/packages/bcp/src/cosmwasmconnection.ts
@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/camelcase */
-import { RestClient, TokenInfo, TxsResponse } from "@cosmwasm/sdk";
+import { RestClient, TxsResponse, types } from "@cosmwasm/sdk";
 import {
   Account,
   AccountQuery,
@@ -68,7 +68,7 @@ function buildQueryString({
   return components.filter(Boolean).join("&");
 }
 
-export type TokenConfiguration = readonly (TokenInfo & { readonly name: string })[];
+export type TokenConfiguration = readonly (types.TokenInfo & { readonly name: string })[];
 
 export class CosmWasmConnection implements BlockchainConnection {
   // we must know prefix and tokens a priori to understand the chain
@@ -90,7 +90,7 @@ export class CosmWasmConnection implements BlockchainConnection {
   private readonly restClient: RestClient;
   private readonly chainData: ChainData;
   private readonly _prefix: CosmosBech32Prefix;
-  private readonly tokenInfo: readonly TokenInfo[];
+  private readonly tokenInfo: readonly types.TokenInfo[];
 
   // these are derived from arguments (cached for use in multiple functions)
   private readonly primaryToken: Token;
diff --git a/packages/bcp/src/decode.ts b/packages/bcp/src/decode.ts
index f06b1e49..c3323e97 100644
--- a/packages/bcp/src/decode.ts
+++ b/packages/bcp/src/decode.ts
@@ -1,4 +1,4 @@
-import { coinToDecimal, isAminoStdTx, TxsResponse } from "@cosmwasm/sdk";
+import { coinToDecimal, TxsResponse, types } from "@cosmwasm/sdk";
 import {
   Address,
   Algorithm,
@@ -96,7 +96,7 @@ export function parseFee(fee: amino.StdFee, tokens: TokenInfos): Fee {
 
 export function parseTx(tx: amino.Tx, chainId: ChainId, nonce: Nonce, tokens: TokenInfos): SignedTransaction {
   const txValue = tx.value;
-  if (!isAminoStdTx(txValue)) {
+  if (!types.isAminoStdTx(txValue)) {
     throw new Error("Only Amino StdTx is supported");
   }
   if (txValue.msg.length !== 1) {
diff --git a/packages/bcp/src/encode.ts b/packages/bcp/src/encode.ts
index 5fb4b842..5da2da07 100644
--- a/packages/bcp/src/encode.ts
+++ b/packages/bcp/src/encode.ts
@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/camelcase */
-import { AminoTx, decimalToCoin } from "@cosmwasm/sdk";
+import { decimalToCoin, types } from "@cosmwasm/sdk";
 import {
   Algorithm,
   Amount,
@@ -67,7 +67,7 @@ export function encodeFullSignature(fullSignature: FullSignature): amino.StdSign
   };
 }
 
-export function buildUnsignedTx(tx: UnsignedTransaction, tokens: TokenInfos): AminoTx {
+export function buildUnsignedTx(tx: UnsignedTransaction, tokens: TokenInfos): types.AminoTx {
   if (!isSendTransaction(tx)) {
     throw new Error("Received transaction of unsupported kind");
   }
@@ -96,7 +96,7 @@ export function buildUnsignedTx(tx: UnsignedTransaction, tokens: TokenInfos): Am
   };
 }
 
-export function buildSignedTx(tx: SignedTransaction, tokens: TokenInfos): AminoTx {
+export function buildSignedTx(tx: SignedTransaction, tokens: TokenInfos): types.AminoTx {
   const built = buildUnsignedTx(tx.transaction, tokens);
   return {
     ...built,
diff --git a/packages/bcp/src/types.ts b/packages/bcp/src/types.ts
index 07003e90..eb90b68f 100644
--- a/packages/bcp/src/types.ts
+++ b/packages/bcp/src/types.ts
@@ -1,7 +1,7 @@
-import { TokenInfo } from "@cosmwasm/sdk";
+import { types } from "@cosmwasm/sdk";
 import { Nonce } from "@iov/bcp";
 
-export type TokenInfos = ReadonlyArray<TokenInfo>;
+export type TokenInfos = ReadonlyArray<types.TokenInfo>;
 
 // tslint:disable-next-line:no-bitwise
 const maxAcct = 1 << 23;
diff --git a/packages/bcp/types/cosmwasmconnection.d.ts b/packages/bcp/types/cosmwasmconnection.d.ts
index 4a8a3d83..b84557df 100644
--- a/packages/bcp/types/cosmwasmconnection.d.ts
+++ b/packages/bcp/types/cosmwasmconnection.d.ts
@@ -1,4 +1,4 @@
-import { TokenInfo } from "@cosmwasm/sdk";
+import { types } from "@cosmwasm/sdk";
 import {
   Account,
   AccountQuery,
@@ -22,7 +22,7 @@ import {
 } from "@iov/bcp";
 import { Stream } from "xstream";
 import { CosmosBech32Prefix } from "./address";
-export declare type TokenConfiguration = readonly (TokenInfo & {
+export declare type TokenConfiguration = readonly (types.TokenInfo & {
   readonly name: string;
 })[];
 export declare class CosmWasmConnection implements BlockchainConnection {
diff --git a/packages/bcp/types/encode.d.ts b/packages/bcp/types/encode.d.ts
index 1068443a..99feed23 100644
--- a/packages/bcp/types/encode.d.ts
+++ b/packages/bcp/types/encode.d.ts
@@ -1,4 +1,4 @@
-import { AminoTx } from "@cosmwasm/sdk";
+import { types } from "@cosmwasm/sdk";
 import { Amount, Fee, FullSignature, PubkeyBundle, SignedTransaction, UnsignedTransaction } from "@iov/bcp";
 import amino from "@tendermint/amino-js";
 import { TokenInfos } from "./types";
@@ -6,5 +6,5 @@ export declare function encodePubkey(pubkey: PubkeyBundle): amino.PubKey;
 export declare function encodeAmount(amount: Amount, tokens: TokenInfos): amino.Coin;
 export declare function encodeFee(fee: Fee, tokens: TokenInfos): amino.StdFee;
 export declare function encodeFullSignature(fullSignature: FullSignature): amino.StdSignature;
-export declare function buildUnsignedTx(tx: UnsignedTransaction, tokens: TokenInfos): AminoTx;
-export declare function buildSignedTx(tx: SignedTransaction, tokens: TokenInfos): AminoTx;
+export declare function buildUnsignedTx(tx: UnsignedTransaction, tokens: TokenInfos): types.AminoTx;
+export declare function buildSignedTx(tx: SignedTransaction, tokens: TokenInfos): types.AminoTx;
diff --git a/packages/bcp/types/types.d.ts b/packages/bcp/types/types.d.ts
index 8bdcbf3b..b419ece0 100644
--- a/packages/bcp/types/types.d.ts
+++ b/packages/bcp/types/types.d.ts
@@ -1,6 +1,6 @@
-import { TokenInfo } from "@cosmwasm/sdk";
+import { types } from "@cosmwasm/sdk";
 import { Nonce } from "@iov/bcp";
-export declare type TokenInfos = ReadonlyArray<TokenInfo>;
+export declare type TokenInfos = ReadonlyArray<types.TokenInfo>;
 export interface NonceInfo {
   readonly account_number: string;
   readonly sequence: string;
diff --git a/packages/sdk/src/index.ts b/packages/sdk/src/index.ts
index 888fb6c3..e664c4a5 100644
--- a/packages/sdk/src/index.ts
+++ b/packages/sdk/src/index.ts
@@ -1,4 +1,5 @@
 export { coinToDecimal } from "./decoding";
 export { decimalToCoin } from "./encoding";
 export { RestClient, TxsResponse } from "./restclient";
-export { AminoTx, isAminoStdTx, TokenInfo } from "./types";
+// export { AminoTx, isAminoStdTx, TokenInfo } from "./types";
+export { default as types } from "./types";
diff --git a/packages/sdk/types/index.d.ts b/packages/sdk/types/index.d.ts
index 888fb6c3..d85cdb7b 100644
--- a/packages/sdk/types/index.d.ts
+++ b/packages/sdk/types/index.d.ts
@@ -1,4 +1,4 @@
 export { coinToDecimal } from "./decoding";
 export { decimalToCoin } from "./encoding";
 export { RestClient, TxsResponse } from "./restclient";
-export { AminoTx, isAminoStdTx, TokenInfo } from "./types";
+export { default as types } from "./types";