diff --git a/packages/bcp/package.json b/packages/bcp/package.json
index 22f56d73..216d6ef7 100644
--- a/packages/bcp/package.json
+++ b/packages/bcp/package.json
@@ -39,9 +39,9 @@
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
+    "@cosmjs/crypto": "^0.8.0",
     "@cosmjs/sdk38": "^0.8.0",
     "@iov/bcp": "^2.3.2",
-    "@iov/crypto": "^2.3.2",
     "@iov/encoding": "^2.3.2",
     "@iov/stream": "^2.3.2",
     "@iov/utils": "^2.3.2",
diff --git a/packages/bcp/src/address.ts b/packages/bcp/src/address.ts
index f77490aa..83b4c2f1 100644
--- a/packages/bcp/src/address.ts
+++ b/packages/bcp/src/address.ts
@@ -1,6 +1,6 @@
+import { Secp256k1 } from "@cosmjs/crypto";
 import { PubKey, pubkeyToAddress as sdkPubkeyToAddress, pubkeyType } from "@cosmjs/sdk38";
 import { Address, Algorithm, PubkeyBundle } from "@iov/bcp";
-import { Secp256k1 } from "@iov/crypto";
 import { toBase64 } from "@iov/encoding";
 
 // See https://github.com/tendermint/tendermint/blob/f2ada0a604b4c0763bda2f64fac53d506d3beca7/docs/spec/blockchain/encoding.md#public-key-cryptography
diff --git a/packages/bcp/src/caip5.ts b/packages/bcp/src/caip5.ts
index 11438339..95de524f 100644
--- a/packages/bcp/src/caip5.ts
+++ b/packages/bcp/src/caip5.ts
@@ -1,5 +1,5 @@
+import { Sha256 } from "@cosmjs/crypto";
 import { ChainId } from "@iov/bcp";
-import { Sha256 } from "@iov/crypto";
 import { toHex, toUtf8 } from "@iov/encoding";
 
 const hashedPrefix = "hashed-";
diff --git a/packages/bcp/src/cosmosconnection.spec.ts b/packages/bcp/src/cosmosconnection.spec.ts
index e08f55a2..0f2a9036 100644
--- a/packages/bcp/src/cosmosconnection.spec.ts
+++ b/packages/bcp/src/cosmosconnection.spec.ts
@@ -1,3 +1,4 @@
+import { Random, Secp256k1, Secp256k1Signature, Sha256 } from "@cosmjs/crypto";
 import { decodeSignature } from "@cosmjs/sdk38";
 import {
   Account,
@@ -17,7 +18,6 @@ import {
   TransactionState,
   UnsignedTransaction,
 } from "@iov/bcp";
-import { Random, Secp256k1, Secp256k1Signature, Sha256 } from "@iov/crypto";
 import { Bech32, fromBase64 } from "@iov/encoding";
 import { HdPaths, Secp256k1HdWallet, UserProfile } from "@iov/keycontrol";
 import { assert } from "@iov/utils";
diff --git a/packages/bcp/src/encode.ts b/packages/bcp/src/encode.ts
index 2eacaaef..c6861285 100644
--- a/packages/bcp/src/encode.ts
+++ b/packages/bcp/src/encode.ts
@@ -1,4 +1,5 @@
 /* eslint-disable @typescript-eslint/camelcase */
+import { Secp256k1 } from "@cosmjs/crypto";
 import {
   Coin,
   CosmosSdkTx,
@@ -19,7 +20,6 @@ import {
   SignedTransaction,
   UnsignedTransaction,
 } from "@iov/bcp";
-import { Secp256k1 } from "@iov/crypto";
 import { toBase64 } from "@iov/encoding";
 
 import { BankToken } from "./types";
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 935873ef..9c0f7526 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -39,8 +39,8 @@
   ],
   "dependencies": {
     "@cosmjs/cosmwasm": "^0.8.0",
+    "@cosmjs/crypto": "^0.8.0",
     "@cosmjs/sdk38": "^0.8.0",
-    "@iov/crypto": "^2.3.2",
     "@iov/encoding": "^2.3.2",
     "@iov/utils": "^2.3.2",
     "axios": "^0.19.2",
diff --git a/packages/cli/src/cli.ts b/packages/cli/src/cli.ts
index a7237820..34f58eee 100644
--- a/packages/cli/src/cli.ts
+++ b/packages/cli/src/cli.ts
@@ -59,6 +59,22 @@ export function main(originalArgs: readonly string[]): void {
         "UploadResult",
       ],
     ],
+    [
+      "@cosmjs/crypto",
+      [
+        "Bip39",
+        "Ed25519",
+        "Ed25519Keypair",
+        "EnglishMnemonic",
+        "Random",
+        "Secp256k1",
+        "Sha256",
+        "Sha512",
+        "Slip10",
+        "Slip10Curve",
+        "Slip10RawIndex",
+      ],
+    ],
     [
       "@cosmjs/sdk38",
       [
@@ -82,22 +98,6 @@ export function main(originalArgs: readonly string[]): void {
         "StdTx",
       ],
     ],
-    [
-      "@iov/crypto",
-      [
-        "Bip39",
-        "Ed25519",
-        "Ed25519Keypair",
-        "EnglishMnemonic",
-        "Random",
-        "Secp256k1",
-        "Sha256",
-        "Sha512",
-        "Slip10",
-        "Slip10Curve",
-        "Slip10RawIndex",
-      ],
-    ],
     [
       "@iov/encoding",
       [
diff --git a/packages/cosmwasm/package.json b/packages/cosmwasm/package.json
index 9ce6c070..0099399f 100644
--- a/packages/cosmwasm/package.json
+++ b/packages/cosmwasm/package.json
@@ -36,8 +36,8 @@
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
+    "@cosmjs/crypto": "^0.8.0",
     "@cosmjs/sdk38": "^0.8.0",
-    "@iov/crypto": "^2.3.2",
     "@iov/encoding": "^2.3.2",
     "@iov/utils": "^2.3.2",
     "axios": "^0.19.0",
diff --git a/packages/cosmwasm/src/cosmwasmclient.spec.ts b/packages/cosmwasm/src/cosmwasmclient.spec.ts
index e2143f96..90541a88 100644
--- a/packages/cosmwasm/src/cosmwasmclient.spec.ts
+++ b/packages/cosmwasm/src/cosmwasmclient.spec.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/camelcase */
+import { Sha256 } from "@cosmjs/crypto";
 import { makeSignBytes, MsgSend, Secp256k1Pen, StdFee } from "@cosmjs/sdk38";
-import { Sha256 } from "@iov/crypto";
 import { Bech32, fromHex, fromUtf8, toAscii, toBase64 } from "@iov/encoding";
 import { assert, sleep } from "@iov/utils";
 import { ReadonlyDate } from "readonly-date";
diff --git a/packages/cosmwasm/src/cosmwasmclient.ts b/packages/cosmwasm/src/cosmwasmclient.ts
index d22be7aa..ef24e064 100644
--- a/packages/cosmwasm/src/cosmwasmclient.ts
+++ b/packages/cosmwasm/src/cosmwasmclient.ts
@@ -1,3 +1,4 @@
+import { Sha256 } from "@cosmjs/crypto";
 import {
   BroadcastMode,
   Coin,
@@ -7,7 +8,6 @@ import {
   PubKey,
   StdTx,
 } from "@cosmjs/sdk38";
-import { Sha256 } from "@iov/crypto";
 import { fromBase64, fromHex, toHex } from "@iov/encoding";
 
 import { Log, parseLogs } from "./logs";
diff --git a/packages/cosmwasm/src/restclient.spec.ts b/packages/cosmwasm/src/restclient.spec.ts
index ab94b1da..c73b97e9 100644
--- a/packages/cosmwasm/src/restclient.spec.ts
+++ b/packages/cosmwasm/src/restclient.spec.ts
@@ -1,4 +1,5 @@
 /* eslint-disable @typescript-eslint/camelcase */
+import { Sha256 } from "@cosmjs/crypto";
 import {
   Coin,
   encodeBech32Pubkey,
@@ -14,7 +15,6 @@ import {
   StdSignature,
   StdTx,
 } from "@cosmjs/sdk38";
-import { Sha256 } from "@iov/crypto";
 import { Bech32, fromAscii, fromBase64, fromHex, toAscii, toBase64, toHex } from "@iov/encoding";
 import { assert, sleep } from "@iov/utils";
 import { ReadonlyDate } from "readonly-date";
diff --git a/packages/cosmwasm/src/signingcosmwasmclient.spec.ts b/packages/cosmwasm/src/signingcosmwasmclient.spec.ts
index 75aba69a..3d701571 100644
--- a/packages/cosmwasm/src/signingcosmwasmclient.spec.ts
+++ b/packages/cosmwasm/src/signingcosmwasmclient.spec.ts
@@ -1,5 +1,5 @@
+import { Sha256 } from "@cosmjs/crypto";
 import { Coin, Secp256k1Pen } from "@cosmjs/sdk38";
-import { Sha256 } from "@iov/crypto";
 import { toHex } from "@iov/encoding";
 import { assert } from "@iov/utils";
 
diff --git a/packages/cosmwasm/src/signingcosmwasmclient.ts b/packages/cosmwasm/src/signingcosmwasmclient.ts
index f46e8034..9f5ad298 100644
--- a/packages/cosmwasm/src/signingcosmwasmclient.ts
+++ b/packages/cosmwasm/src/signingcosmwasmclient.ts
@@ -1,5 +1,5 @@
+import { Sha256 } from "@cosmjs/crypto";
 import { BroadcastMode, Coin, coins, makeSignBytes, MsgSend, StdFee, StdSignature } from "@cosmjs/sdk38";
-import { Sha256 } from "@iov/crypto";
 import { toBase64, toHex } from "@iov/encoding";
 import pako from "pako";
 
diff --git a/packages/cosmwasm/src/testutils.spec.ts b/packages/cosmwasm/src/testutils.spec.ts
index c4854b0f..bd106923 100644
--- a/packages/cosmwasm/src/testutils.spec.ts
+++ b/packages/cosmwasm/src/testutils.spec.ts
@@ -1,4 +1,4 @@
-import { Random } from "@iov/crypto";
+import { Random } from "@cosmjs/crypto";
 import { Bech32, fromBase64 } from "@iov/encoding";
 
 import hackatom from "./testdata/contract.json";
diff --git a/packages/faucet/package.json b/packages/faucet/package.json
index e686f072..ed9622c1 100644
--- a/packages/faucet/package.json
+++ b/packages/faucet/package.json
@@ -35,8 +35,8 @@
     "test": "yarn build-or-skip && yarn test-node"
   },
   "dependencies": {
+    "@cosmjs/crypto": "^0.8.0",
     "@cosmjs/sdk38": "^0.8.0",
-    "@iov/crypto": "^2.3.2",
     "@iov/encoding": "^2.3.2",
     "@iov/utils": "^2.3.2",
     "@koa/cors": "^3.0.0",
diff --git a/packages/faucet/src/actions/generate.ts b/packages/faucet/src/actions/generate.ts
index 46590838..096b18f7 100644
--- a/packages/faucet/src/actions/generate.ts
+++ b/packages/faucet/src/actions/generate.ts
@@ -1,4 +1,4 @@
-import { Bip39, Random } from "@iov/crypto";
+import { Bip39, Random } from "@cosmjs/crypto";
 
 import * as constants from "../constants";
 import { createPens } from "../profile";
diff --git a/packages/faucet/src/faucet.spec.ts b/packages/faucet/src/faucet.spec.ts
index 9c6e8f6c..de2721b6 100644
--- a/packages/faucet/src/faucet.spec.ts
+++ b/packages/faucet/src/faucet.spec.ts
@@ -1,5 +1,5 @@
+import { Random } from "@cosmjs/crypto";
 import { CosmosClient } from "@cosmjs/sdk38";
-import { Random } from "@iov/crypto";
 import { Bech32 } from "@iov/encoding";
 import { assert } from "@iov/utils";
 
diff --git a/packages/faucet/src/profile.ts b/packages/faucet/src/profile.ts
index 186993f0..7aaf70e8 100644
--- a/packages/faucet/src/profile.ts
+++ b/packages/faucet/src/profile.ts
@@ -1,5 +1,5 @@
+import { pathToString } from "@cosmjs/crypto";
 import { makeCosmoshubPath, Pen, Secp256k1Pen } from "@cosmjs/sdk38";
-import { pathToString } from "@iov/crypto";
 
 export async function createPens(
   mnemonic: string,
diff --git a/packages/sdk38/package.json b/packages/sdk38/package.json
index 2ef9efa8..7287eacf 100644
--- a/packages/sdk38/package.json
+++ b/packages/sdk38/package.json
@@ -36,7 +36,7 @@
     "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.js"
   },
   "dependencies": {
-    "@iov/crypto": "^2.3.2",
+    "@cosmjs/crypto": "^0.8.0",
     "@iov/encoding": "^2.3.2",
     "@iov/utils": "^2.3.2",
     "axios": "^0.19.0",
diff --git a/packages/sdk38/src/address.ts b/packages/sdk38/src/address.ts
index 44ab1e18..cfdd153a 100644
--- a/packages/sdk38/src/address.ts
+++ b/packages/sdk38/src/address.ts
@@ -1,4 +1,4 @@
-import { Ripemd160, Sha256 } from "@iov/crypto";
+import { Ripemd160, Sha256 } from "@cosmjs/crypto";
 import { Bech32, fromBase64 } from "@iov/encoding";
 
 import { PubKey, pubkeyType } from "./types";
diff --git a/packages/sdk38/src/cosmosclient.ts b/packages/sdk38/src/cosmosclient.ts
index 3a390e6a..44232426 100644
--- a/packages/sdk38/src/cosmosclient.ts
+++ b/packages/sdk38/src/cosmosclient.ts
@@ -1,4 +1,4 @@
-import { Sha256 } from "@iov/crypto";
+import { Sha256 } from "@cosmjs/crypto";
 import { fromBase64, toHex } from "@iov/encoding";
 
 import { Coin } from "./coins";
diff --git a/packages/sdk38/src/pen.spec.ts b/packages/sdk38/src/pen.spec.ts
index 2cb7caaf..13bf1b5c 100644
--- a/packages/sdk38/src/pen.spec.ts
+++ b/packages/sdk38/src/pen.spec.ts
@@ -1,4 +1,4 @@
-import { Secp256k1, Secp256k1Signature, Sha256 } from "@iov/crypto";
+import { Secp256k1, Secp256k1Signature, Sha256 } from "@cosmjs/crypto";
 import { fromHex, toAscii } from "@iov/encoding";
 
 import { Secp256k1Pen } from "./pen";
diff --git a/packages/sdk38/src/pen.ts b/packages/sdk38/src/pen.ts
index 936abc0e..1c65a0da 100644
--- a/packages/sdk38/src/pen.ts
+++ b/packages/sdk38/src/pen.ts
@@ -7,7 +7,7 @@ import {
   Slip10,
   Slip10Curve,
   Slip10RawIndex,
-} from "@iov/crypto";
+} from "@cosmjs/crypto";
 
 import { rawSecp256k1PubkeyToAddress } from "./address";
 import { encodeSecp256k1Signature } from "./signature";
diff --git a/packages/sdk38/src/sequence.ts b/packages/sdk38/src/sequence.ts
index 5cf2a738..cc9a8a38 100644
--- a/packages/sdk38/src/sequence.ts
+++ b/packages/sdk38/src/sequence.ts
@@ -1,4 +1,4 @@
-import { Secp256k1, Secp256k1Signature, Sha256 } from "@iov/crypto";
+import { Secp256k1, Secp256k1Signature, Sha256 } from "@cosmjs/crypto";
 
 import { makeSignBytes } from "./encoding";
 import { decodeSignature } from "./signature";
diff --git a/packages/sdk38/src/testutils.spec.ts b/packages/sdk38/src/testutils.spec.ts
index e4d7ca7b..6864b7ef 100644
--- a/packages/sdk38/src/testutils.spec.ts
+++ b/packages/sdk38/src/testutils.spec.ts
@@ -1,4 +1,4 @@
-import { Random } from "@iov/crypto";
+import { Random } from "@cosmjs/crypto";
 import { Bech32 } from "@iov/encoding";
 
 export function makeRandomAddress(): string {
diff --git a/packages/sdk38/types/pen.d.ts b/packages/sdk38/types/pen.d.ts
index 068db3cb..39e899f4 100644
--- a/packages/sdk38/types/pen.d.ts
+++ b/packages/sdk38/types/pen.d.ts
@@ -1,4 +1,4 @@
-import { Slip10RawIndex } from "@iov/crypto";
+import { Slip10RawIndex } from "@cosmjs/crypto";
 import { StdSignature } from "./types";
 export declare type PrehashType = "sha256" | "sha512" | null;
 /**