diff --git a/lerna.json b/lerna.json
index dd33dc5f..594e4aa6 100644
--- a/lerna.json
+++ b/lerna.json
@@ -10,5 +10,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.25.12"
+  "version": "0.26.0"
 }
diff --git a/package.json b/package.json
index 27c50b30..96e69434 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.2.2",
-    "@polkadot/dev-react": "^0.23.14",
+    "@polkadot/dev-react": "^0.23.15",
     "@polkadot/ts": "^0.1.52",
     "empty": "^0.10.1"
   }
diff --git a/packages/ui-assets/package.json b/packages/ui-assets/package.json
index 8fe21a52..3f00d235 100644
--- a/packages/ui-assets/package.json
+++ b/packages/ui-assets/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-assets",
-  "version": "0.25.12",
+  "version": "0.26.0",
   "description": "Static assets shared accross projects",
   "main": "index.js",
   "author": "Jaco Greeff <jacogr@gmail.com>",
diff --git a/packages/ui-identicon/package.json b/packages/ui-identicon/package.json
index 7487de6d..0028a0a7 100644
--- a/packages/ui-identicon/package.json
+++ b/packages/ui-identicon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-identicon",
-  "version": "0.25.12",
+  "version": "0.26.0",
   "description": "Renders an SVG picture representing an address",
   "main": "index.js",
   "author": "Jaco Greeff <jacogr@gmail.com>",
@@ -10,7 +10,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.2.0",
-    "@polkadot/ui-settings": "^0.25.12",
+    "@polkadot/ui-settings": "^0.26.0",
     "@types/color": "^3.0.0",
     "@types/react-copy-to-clipboard": "^4.2.6",
     "color": "^3.0.0",
@@ -22,8 +22,8 @@
     "react": "*"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^0.33.36",
-    "@polkadot/util-crypto": "^0.33.36",
+    "@polkadot/keyring": "^0.34.6",
+    "@polkadot/util-crypto": "^0.34.6",
     "xmlserializer": "^0.6.1"
   }
 }
diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index fdcfff0a..09b34f1d 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-keyring",
-  "version": "0.25.12",
+  "version": "0.26.0",
   "main": "index.js",
   "repository": "https://github.com/polkadot-js/apps.git",
   "author": "Jaco Greeff <jacogr@gmail.com>",
@@ -16,13 +16,13 @@
     "store": "^2.0.12"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^0.33.36",
-    "@polkadot/types": "^0.42.11",
-    "@polkadot/util": "^0.33.36"
+    "@polkadot/keyring": "^0.34.6",
+    "@polkadot/types": "^0.43.1",
+    "@polkadot/util": "^0.34.6"
   },
   "peerDependencies": {
-    "@polkadot/keyring": "*",
-    "@polkadot/types": "*",
+    "@polkadot/keyring": ">=0.34.3",
+    "@polkadot/types": ">=0.43.1",
     "@polkadot/util": "*"
   }
 }
diff --git a/packages/ui-keyring/src/Base.ts b/packages/ui-keyring/src/Base.ts
index 843ace3e..ce7a283d 100644
--- a/packages/ui-keyring/src/Base.ts
+++ b/packages/ui-keyring/src/Base.ts
@@ -3,11 +3,11 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 import { Prefix } from '@polkadot/keyring/address/types';
-import { KeyringInstance, KeyringPair } from '@polkadot/keyring/types';
+import { KeyringInstance, KeyringPair, KeyringOptions } from '@polkadot/keyring/types';
 import { AddressSubject } from './observable/types';
 
 import testKeyring from '@polkadot/keyring/testing';
-import { isString } from '@polkadot/util';
+import { isBoolean, isString } from '@polkadot/util';
 
 import accounts from './observable/accounts';
 import addresses from './observable/addresses';
@@ -18,13 +18,12 @@ export default class Base {
   private _accounts: AddressSubject;
   private _addresses: AddressSubject;
   private _keyring?: KeyringInstance;
-  private _prefix: Prefix;
+  private _prefix?: Prefix;
 
   constructor () {
     this._accounts = accounts;
     this._addresses = addresses;
     this._keyring = undefined;
-    this._prefix = 42;
   }
 
   get accounts () {
@@ -51,6 +50,30 @@ export default class Base {
     return this.keyring.encodeAddress(key);
   }
 
+  getPair (address: string | Uint8Array): KeyringPair {
+    return this.keyring.getPair(address);
+  }
+
+  getPairs (): Array<KeyringPair> {
+    return this.keyring.getPairs().filter((pair: KeyringPair) =>
+      env.isDevelopment() || pair.getMeta().isTesting !== true
+    );
+  }
+
+  isAvailable (_address: Uint8Array | string): boolean {
+    const accountsValue = this.accounts.subject.getValue();
+    const addressesValue = this.addresses.subject.getValue();
+    const address = isString(_address)
+      ? _address
+      : this.encodeAddress(_address);
+
+    return !accountsValue[address] && !addressesValue[address];
+  }
+
+  isPassValid (password: string): boolean {
+    return password.length > 0 && password.length <= MAX_PASS_LEN;
+  }
+
   setAddressPrefix (prefix: number): void {
     this._prefix = prefix as Prefix;
   }
@@ -59,10 +82,12 @@ export default class Base {
     env.set(isDevelopment);
   }
 
-  protected initKeyring (): void {
-    const keyring = testKeyring();
+  protected initKeyring (options: KeyringOptions & { isDevelopment?: boolean }): void {
+    const keyring = testKeyring({ addressPrefix: this._prefix, ...options });
 
-    keyring.setAddressPrefix(this._prefix);
+    if (isBoolean(options.isDevelopment)) {
+      this.setDevMode(options.isDevelopment);
+    }
 
     this._keyring = keyring;
 
@@ -87,28 +112,4 @@ export default class Base {
       pair.setMeta({  whenCreated: Date.now() });
     }
   }
-
-  isAvailable (_address: Uint8Array | string): boolean {
-    const accountsValue = this.accounts.subject.getValue();
-    const addressesValue = this.addresses.subject.getValue();
-    const address = isString(_address)
-      ? _address
-      : this.encodeAddress(_address);
-
-    return !accountsValue[address] && !addressesValue[address];
-  }
-
-  isPassValid (password: string): boolean {
-    return password.length > 0 && password.length <= MAX_PASS_LEN;
-  }
-
-  getPair (address: string | Uint8Array): KeyringPair {
-    return this.keyring.getPair(address);
-  }
-
-  getPairs (): Array<KeyringPair> {
-    return this.keyring.getPairs().filter((pair: KeyringPair) =>
-      env.isDevelopment() || pair.getMeta().isTesting !== true
-    );
-  }
 }
diff --git a/packages/ui-keyring/src/index.ts b/packages/ui-keyring/src/index.ts
index cb3f9d96..299ff25e 100644
--- a/packages/ui-keyring/src/index.ts
+++ b/packages/ui-keyring/src/index.ts
@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { KeyringPair, KeyringPair$Meta, KeyringPair$Json } from '@polkadot/keyring/types';
+import { KeyringPair, KeyringPair$Meta, KeyringPair$Json, KeyringOptions } from '@polkadot/keyring/types';
 import { SingleAddress } from './observable/types';
 import { KeyringAddress, KeyringJson, KeyringJson$Meta, KeyringStruct } from './types';
 
@@ -16,7 +16,7 @@ import { accountKey, addressKey, accountRegex, addressRegex } from './defaults';
 import keyringOption from './options';
 
 // No accounts (or test accounts) should be loaded until after the chain determination.
-// Chain determination occurs outside of Keyring. Loading `keyring.loadAll()` is triggered
+// Chain determination occurs outside of Keyring. Loading `keyring.loadAll({ type: 'ed25519' | 'sr25519' })` is triggered
 // from the API after the chain is received
 class Keyring extends Base implements KeyringStruct {
   addAccountPair (pair: KeyringPair, password: string): KeyringPair {
@@ -45,7 +45,7 @@ class Keyring extends Base implements KeyringStruct {
   }
 
   createAccountExternal (publicKey: Uint8Array, meta: KeyringPair$Meta = {}): KeyringPair {
-    const pair = this.keyring.addFromAddress(publicKey, { ...meta, isExternal: true });
+    const pair = this.keyring.addFromAddress(publicKey, { ...meta, isExternal: true }, null);
 
     this.saveAccount(pair);
 
@@ -153,8 +153,8 @@ class Keyring extends Base implements KeyringStruct {
     this.rewriteKey(json, key, hexAddr, addressKey);
   }
 
-  loadAll (): void {
-    super.initKeyring();
+  loadAll (options: KeyringOptions): void {
+    super.initKeyring(options);
 
     store.each((json: KeyringJson, key: string) => {
       if (accountRegex.test(key)) {
@@ -169,9 +169,9 @@ class Keyring extends Base implements KeyringStruct {
 
   restoreAccount (json: KeyringPair$Json, password: string): KeyringPair {
     const pair = createPair(
+      this.keyring.type,
       {
-        publicKey: this.decodeAddress(json.address),
-        secretKey: new Uint8Array()
+        publicKey: this.decodeAddress(json.address)
       },
       json.meta,
       hexToU8a(json.encoded)
diff --git a/packages/ui-keyring/src/types.ts b/packages/ui-keyring/src/types.ts
index e565b518..bc85e841 100644
--- a/packages/ui-keyring/src/types.ts
+++ b/packages/ui-keyring/src/types.ts
@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { KeyringInstance as BaseKeyringInstance, KeyringPair, KeyringPair$Meta, KeyringPair$Json } from '@polkadot/keyring/types';
+import { KeyringInstance as BaseKeyringInstance, KeyringPair, KeyringPair$Meta, KeyringPair$Json, KeyringOptions } from '@polkadot/keyring/types';
 import { AddressSubject, SingleAddress } from './observable/types';
 
 export type KeyringJson$Meta = {
@@ -50,7 +50,7 @@ export interface KeyringStruct {
   getPairs: () => Array<KeyringPair>;
   isAvailable: (address: string | Uint8Array) => boolean;
   isPassValid: (password: string) => boolean;
-  loadAll: () => void;
+  loadAll: (options: KeyringOptions) => void;
   restoreAccount: (json: KeyringPair$Json, password: string) => KeyringPair;
   saveAccount: (pair: KeyringPair, password?: string) => void;
   saveAccountMeta: (pair: KeyringPair, meta: KeyringPair$Meta) => void;
diff --git a/packages/ui-settings/package.json b/packages/ui-settings/package.json
index 754bdf47..80962c2b 100644
--- a/packages/ui-settings/package.json
+++ b/packages/ui-settings/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/ui-settings",
-  "version": "0.25.12",
+  "version": "0.26.0",
   "description": "Manages app settings",
   "main": "index.js",
   "author": "Jaco Greeff <jacogr@gmail.com>",
diff --git a/yarn.lock b/yarn.lock
index d69f2a1b..6bfd5292 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1375,15 +1375,20 @@
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz#2b5a3ab3f918cca48a8c754c08168e3f03eba61b"
   integrity sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==
 
-"@polkadot/dev-react@^0.23.14":
-  version "0.23.14"
-  resolved "https://registry.yarnpkg.com/@polkadot/dev-react/-/dev-react-0.23.14.tgz#f33f69dcdb4cb4dd132f558618879fc99d38844b"
-  integrity sha512-2Ms6iOnR2oWA7QnLuH+tAt8HCMRtOexhXaOHakEBKV4OHP9qCQHufEGvy+fKRYYox1LCO/kV5i17ro0BD1hh0g==
+"@parity/schnorrkel-js@^0.1.2":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@parity/schnorrkel-js/-/schnorrkel-js-0.1.2.tgz#08c9663299cbe43d292599a1312a761b2426900f"
+  integrity sha512-eQSCY6kb16Lhnlgdz1FbADo1PEI3Xgp0ApGpNydf0yBEQ6AMVo1YN/4zMA3lFjqnurv9NsAy11OJApailUNneQ==
+
+"@polkadot/dev-react@^0.23.15":
+  version "0.23.15"
+  resolved "https://registry.yarnpkg.com/@polkadot/dev-react/-/dev-react-0.23.15.tgz#0e99299ad54360629c3d8a1220063d1a1603b9bf"
+  integrity sha512-o+ziUDjlXIs4Yvtldgxbs77VB3ci4vusbD61Qt0et9e3hTVOFuw0XSqtCN5xdC1DD/7fX/BGd2FsRjrdYChNtQ==
   dependencies:
     "@babel/core" "^7.2.2"
     "@babel/plugin-syntax-dynamic-import" "^7.2.0"
     "@babel/preset-react" "^7.0.0"
-    "@polkadot/dev" "^0.23.14"
+    "@polkadot/dev" "^0.23.15"
     "@types/react" "^16.7.18"
     "@types/react-dom" "^16.0.11"
     "@types/styled-components" "^4.1.5"
@@ -1411,10 +1416,10 @@
     webpack-serve "^2.0.3"
     worker-loader "^2.0.0"
 
-"@polkadot/dev@^0.23.14":
-  version "0.23.14"
-  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.23.14.tgz#e649dfaaab4fb1c8e8f2c1695a8b5367dd3ce2ce"
-  integrity sha512-vmgS7THEvEp1v7iKw/QxanedAozSIRzUJWVHLUkIRyDSRfH3/iOFxEwNso0CNMULO1OHfIfhgDP+3lHj/IMB1A==
+"@polkadot/dev@^0.23.15":
+  version "0.23.15"
+  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.23.15.tgz#f1428a706e5ff2138eaf38900070579dee84b57d"
+  integrity sha512-SVkB3s1KsFQm9Pka8zKx4S06LX5S70r7xCV2lTmbj/5Wj/diamuZgbAHU313cH89q59qU9Bns2gJhynvGXkXfg==
   dependencies:
     "@babel/cli" "^7.2.3"
     "@babel/core" "^7.2.2"
@@ -1451,14 +1456,14 @@
     typedoc-plugin-no-inherit "^1.1.2"
     typescript "^3.2.2"
 
-"@polkadot/keyring@^0.33.36":
-  version "0.33.36"
-  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-0.33.36.tgz#def02631369b1a2288ae95d32cadd63299f877f7"
-  integrity sha512-UUyb0ua+b10FAt+dH5Vuua0mu+FH9WY+as+IoVNXyDY8PpHY+kg8MDXXrCGBueCF5CaiiAJP7gD5vp7U10nrEg==
+"@polkadot/keyring@^0.34.6":
+  version "0.34.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-0.34.6.tgz#fbe7a9a4cc4d96c8c692c5269aa953aee5d3e7ef"
+  integrity sha512-137VRVVYhLQseB8qHVqmMhcn0PjXjRxJxGLIwxqfPPquPd6z00xcprNwLKm35fi9bH8Akj6isKD7e/DRKbAfSA==
   dependencies:
     "@babel/runtime" "^7.2.0"
-    "@polkadot/util" "^0.33.36"
-    "@polkadot/util-crypto" "^0.33.36"
+    "@polkadot/util" "^0.34.6"
+    "@polkadot/util-crypto" "^0.34.6"
     "@types/bs58" "^4.0.0"
     bs58 "^4.0.1"
 
@@ -1467,34 +1472,36 @@
   resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.52.tgz#6fb09e494d244dad4b3a9ca581bfe13beec66565"
   integrity sha512-sij1O0x4CY51A394RYD4/aQwDPwIxIeTOpYI4AZgdF/vq5nvF14b4XFq9vAcSnblaIosf0sYKoz1f3dkN3QqLw==
 
-"@polkadot/types@^0.42.11":
-  version "0.42.11"
-  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-0.42.11.tgz#2fa8d632adbb791e38c039b11bb514cf0978058c"
-  integrity sha512-kN3qnNWdCcn5DpLJRnY3hkhHhfatxjmfJAniVxPktGiTZQJz5rZy1NJXZa910ylGk6ahkjlYQ6wbLFqQzXE0GA==
+"@polkadot/types@^0.43.1":
+  version "0.43.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-0.43.1.tgz#6bf38c980e999a357c1a1ed575160fd48b91fe30"
+  integrity sha512-I686x+P9TKRhN/hw1HFCUXcCJAo7OTX35Jven1wNT2iZ3JKOI2vH9FUkx89umR2qDeYrQE7uhWB3kPR9+t7YLg==
   dependencies:
     "@babel/runtime" "^7.2.0"
-    "@polkadot/keyring" "^0.33.36"
-    "@polkadot/util" "^0.33.36"
+    "@polkadot/keyring" "^0.34.6"
+    "@polkadot/util" "^0.34.6"
     core-js "^2.6.2"
 
-"@polkadot/util-crypto@^0.33.36":
-  version "0.33.36"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.33.36.tgz#3b1fc84be7126fd92ee4de960baafb901e50b1a4"
-  integrity sha512-kjzdOrBL8NKfZZdWIhQFim3yDWo6sHjWOuxJQt8k22pHa/ATF8zVZ6Xqi4r+wsfBa9S+G6AE5yyVOirVPQYeCQ==
+"@polkadot/util-crypto@^0.34.6":
+  version "0.34.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.34.6.tgz#4cbe8afb1630fd6bf5e602612ea18026c300c4a5"
+  integrity sha512-F/fAAOFMgzQwxheE2RAIf5G/oPVlJhKUTJLClrgyac5dmpnueWd4wfaHJC+071yFzP5GMR/0cTGe1LOShb9jOw==
   dependencies:
     "@babel/runtime" "^7.2.0"
-    "@polkadot/util" "^0.33.36"
+    "@parity/schnorrkel-js" "^0.1.2"
+    "@polkadot/util" "^0.34.6"
     "@types/bip39" "^2.4.1"
+    "@types/webassembly-js-api" "^0.0.2"
     bip39 "^2.5.0"
     blakejs "^1.1.0"
     js-sha3 "^0.8.0"
     tweetnacl "^1.0.0"
     xxhashjs "^0.2.2"
 
-"@polkadot/util@^0.33.36":
-  version "0.33.36"
-  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.33.36.tgz#975590dd059f78209c9d398f72651ac393dd8245"
-  integrity sha512-N5b46NYTNJODILXNGRxvW/8yeKiHjQv4k3YmJhYnslMsEbaXPvkePFUA2N8Ji1LQrAD8sQbaoG8aYoNaqHSJMA==
+"@polkadot/util@^0.34.6":
+  version "0.34.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.34.6.tgz#00f66a231c3764719081fdcf2694ad53fbd7dcf3"
+  integrity sha512-8Ag/ISA7t0onx7f+PbREIJX69hWZe+prUDhRjVMT64VkiSE2ErfM74Lu+A3N4Yy9a/APQUTUhDrI6cnBT8SGbg==
   dependencies:
     "@babel/runtime" "^7.2.0"
     "@types/bn.js" "^4.11.3"
@@ -1700,6 +1707,11 @@
     "@types/react" "*"
     csstype "^2.2.0"
 
+"@types/webassembly-js-api@^0.0.2":
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/@types/webassembly-js-api/-/webassembly-js-api-0.0.2.tgz#43a04bd75fa20332133c6c3986156bfeb4a3ced7"
+  integrity sha512-htlxJRag6RUiMYUkS8Fjup+TMHO0VarpiF9MrqYaGJ0wXtIraQFz40rfA8VIeCiWy8sgpv3RLmigpgicG8fqGA==
+
 "@types/xxhashjs@^0.1.1":
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/@types/xxhashjs/-/xxhashjs-0.1.1.tgz#980709096c7138713b7777f49dccd4b8f93908e5"