diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..f8c17e7
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+12.4.0
diff --git a/package.json b/package.json
index b83f589..14549b0 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "@types/mocha": "^5.2.7",
     "@typescript-eslint/eslint-plugin": "^2.6.0",
     "@typescript-eslint/parser": "^2.6.0",
+    "bn.js-typings": "^1.0.1",
     "chai": "^4.2.0",
     "eslint": "^6.6.0",
     "mocha": "^6.2.2",
@@ -33,7 +34,11 @@
       "@babel/preset-env",
       "@babel/preset-typescript"
     ],
-    "plugins": [
-    ]
+    "plugins": []
+  },
+  "dependencies": {
+    "bn.js": "^5.0.0",
+    "buffer": "^5.4.3",
+    "libp2p-crypto": "^0.17.1"
   }
 }
diff --git a/src/types/basic.ts b/src/types/basic.ts
new file mode 100644
index 0000000..8e3ad53
--- /dev/null
+++ b/src/types/basic.ts
@@ -0,0 +1,9 @@
+import { BN } from 'bn.js';
+import { Buffer } from 'buffer';
+
+export type bytes = Buffer;
+export type bytes32 = Buffer;
+export type bytes16 = Buffer;
+
+export type uint32 = number;
+export type uint64 = BN;
diff --git a/src/xx.ts b/src/xx.ts
new file mode 100644
index 0000000..c3b7238
--- /dev/null
+++ b/src/xx.ts
@@ -0,0 +1,110 @@
+import {bytes32, bytes16, uint32, uint64, bytes} from './types/basic'
+import { Buffer } from 'buffer';
+import * as crypto from 'libp2p-crypto';
+
+type KeyPair = {
+  publicKey: bytes32,
+  privateKey: bytes32,
+}
+
+type CipherState = {
+  k: bytes32,
+  n: uint32,
+}
+
+type SymmetricState = {
+  cs: CipherState,
+  ck: bytes32,
+  h: bytes32,
+}
+
+type HandshakeState = {
+  ss: SymmetricState,
+  s: KeyPair,
+  e: KeyPair,
+  rs: bytes32,
+  re: bytes32,
+  psk: bytes32,
+}
+
+type NoiseSession = {
+  hs: HandshakeState,
+  h: bytes32,
+  cs1: CipherState,
+  c2: CipherState,
+  mc: uint64,
+  i: boolean,
+}
+
+const emptyKey = Buffer.alloc(32) as bytes32;
+const minNonce = 0;
+
+class XXHandshake {
+  async initializeInitiator(prologue: bytes32, s: KeyPair, rs: bytes32, psk: bytes32) : Promise<HandshakeState> {
+    const e: KeyPair;
+    const re: bytes32;
+    const name = "Noise_XX_25519_ChaChaPoly_SHA256";
+    const ss = await this.initializeSymmetric(name);
+    await this.mixHash(ss, prologue);
+
+    return {ss, s, e, rs, re, psk};
+  }
+
+  async initializeResponder(prologue: bytes32, s: KeyPair, rs: bytes32, psk: bytes32) : Promise<HandshakeState> {
+    const e: KeyPair;
+    const re: bytes32;
+    const name = "Noise_XX_25519_ChaChaPoly_SHA256";
+    const ss = await this.initializeSymmetric(name);
+    await this.mixHash(ss, prologue);
+
+    return {ss, s, e, rs, re, psk};
+  }
+
+  initializeKey(k: bytes32) : CipherState {
+    const n = minNonce;
+    return { k, n };
+  }
+
+  async initializeSymmetric(protocolName: string) : Promise<SymmetricState> {
+    const h = await this.hashProtocolName(protocolName);
+    const ck = h;
+    const cs = this.initializeKey(emptyKey);
+
+    return { cs, ck, h };
+  }
+
+  async hashProtocolName(protocolName: string) : Promise<bytes32> {
+    if (protocolName.length <= 32) {
+      return new Promise(resolve => {
+        const h = new Buffer(32);
+        h.write(protocolName);
+        resolve(h)
+      });
+    } else {
+      return await this.getHash(Buffer.from(protocolName), new Buffer([]));
+    }
+  }
+
+  async mixHash(ss: SymmetricState, data: bytes) {
+    ss.h = await this.getHash(ss.h, data);
+  }
+
+  async getHash(a: bytes, b: bytes) : Promise<bytes32> {
+    return await crypto.hmac.create('sha256', Buffer.from([...a, ...b]))
+  }
+
+  async initSession(initiator: boolean, prologue: bytes32[], s: KeyPair, rs: bytes32) : Promise<NoiseSession> {
+    let session: NoiseSession;
+    const psk = emptyKey;
+
+    if (initiator) {
+      session.hs = await this.initializeInitiator(prologue, s, rs, psk);
+    } else {
+      session.hs = await this.initializeResponder(prologue, s, rs, psk);
+    }
+
+    session.i = initiator;
+    session.mc = 0;
+    return session;
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index adbb048..dd6aa73 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,9 +6,12 @@
     "esModuleInterop": true,
     "typeRoots": [
       "./node_modules/@types"
+    ],
+    "include": [
+      "./node_modules/bn.js-typings/index.d.ts"
     ]
   },
   "exclude": [
     "node_modules"
   ]
-}
\ No newline at end of file
+}
diff --git a/yarn.lock b/yarn.lock
index 26df680..833871e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -721,6 +721,11 @@
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-5.2.7.tgz#315d570ccb56c53452ff8638738df60726d5b6ea"
   integrity sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ==
 
+"@types/node@^10.12.12":
+  version "10.17.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.2.tgz#41b5afbcde1a5a805302a4da3cf399499f1bbf64"
+  integrity sha512-sAh60KDol+MpwOr1RTK0+HgBEYejKsxdpmrOS1Wts5bI03dLzq8F7T0sRXDKeaEK8iWDlGfdzxrzg6vx/c5pNA==
+
 "@typescript-eslint/eslint-plugin@^2.6.0":
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.6.0.tgz#e82ed43fc4527b21bfe35c20a2d6e4ed49fc7957"
@@ -869,6 +874,20 @@ array-unique@^0.3.2:
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
   integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
 
+asmcrypto.js@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/asmcrypto.js/-/asmcrypto.js-2.3.2.tgz#b9f84bd0a1fb82f21f8c29cc284a707ad17bba2e"
+  integrity sha512-3FgFARf7RupsZETQ1nHnhLUUvpcttcCq1iZCaVAbJZbCZ5VNRrNyvpDyHTOb0KC3llFcsyOT/a99NZcCbeiEsA==
+
+asn1.js@^5.0.1, asn1.js@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-5.2.0.tgz#292c0357f26a47802ac9727e8772c09c7fc9bd85"
+  integrity sha512-Q7hnYGGNYbcmGrCPulXfkEw7oW7qjWeM4ZTALmgpuIcZLxyqqKYWxCZg2UBm8bklrnB4m2mGyJPWfoktdORD8A==
+  dependencies:
+    bn.js "^4.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
 assertion-error@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
@@ -906,6 +925,18 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base-x@^3.0.2:
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.7.tgz#1c5a7fafe8f66b4114063e8da102799d4e7c408f"
+  integrity sha512-zAKJGuQPihXW22fkrfOclUUZXM2g92z5GzlSMHxhO6r6Qj+Nm0ccaGNBzDZojzwOMkpjAv4J0fOv1U4go+a4iw==
+  dependencies:
+    safe-buffer "^5.0.1"
+
+base64-js@^1.0.2:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
+  integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
+
 base@^0.11.1:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
@@ -924,6 +955,42 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
+bindings@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.5.0.tgz#10353c9e945334bc0511a6d90b38fbc7c9c504df"
+  integrity sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==
+  dependencies:
+    file-uri-to-path "1.0.0"
+
+bip66@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/bip66/-/bip66-1.1.5.tgz#01fa8748785ca70955d5011217d1b3139969ca22"
+  integrity sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=
+  dependencies:
+    safe-buffer "^5.0.1"
+
+blakejs@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/blakejs/-/blakejs-1.1.0.tgz#69df92ef953aa88ca51a32df6ab1c54a155fc7a5"
+  integrity sha1-ad+S75U6qIylGjLfarHFShVfx6U=
+
+bn.js-typings@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/bn.js-typings/-/bn.js-typings-1.0.1.tgz#00faef56401850b763cee041c0728a9aaf091e7e"
+  integrity sha512-PdV3AEpI5A8mHCt3KgBobIJ+3rhoxxkRl8b0dCGDgGtJNYmN4KTPLHYq7xOSmKF1Kv06aZ5k8QhXbyG73IyhdQ==
+  dependencies:
+    "@types/node" "^10.12.12"
+
+bn.js@^4.0.0, bn.js@^4.11.8, bn.js@^4.4.0:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
+  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+
+bn.js@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.0.0.tgz#5c3d398021b3ddb548c1296a16f857e908f35c70"
+  integrity sha512-bVwDX8AF+72fIUNuARelKAlQUNtPOfG2fRxorbVvFk4zpHbqLrPdOGfVg5vrKwVzLLePqPBiATaOZNELQzmS0A==
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -948,11 +1015,28 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
+brorand@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+  integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
+
 browser-stdout@1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
   integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
 
+browserify-aes@^1.0.6, browserify-aes@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
+  dependencies:
+    buffer-xor "^1.0.3"
+    cipher-base "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.3"
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
 browserslist@^4.6.0, browserslist@^4.7.2:
   version "4.7.2"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.7.2.tgz#1bb984531a476b5d389cedecb195b2cd69fb1348"
@@ -962,11 +1046,31 @@ browserslist@^4.6.0, browserslist@^4.7.2:
     electron-to-chromium "^1.3.295"
     node-releases "^1.1.38"
 
+bs58@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
+  integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
+  dependencies:
+    base-x "^3.0.2"
+
 buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
+buffer-xor@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
+  integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
+
+buffer@^5.2.1, buffer@^5.4.3:
+  version "5.4.3"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.4.3.tgz#3fbc9c69eb713d323e3fc1a895eee0710c072115"
+  integrity sha512-zvj65TkFeIt3i6aj5bIvJDzjjQQGs4o/sNoezg1F1kYap9Nu2jcUdpwzRSJTHMMzG0H7bZkn4rNQpImhuxWX2A==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -1052,6 +1156,14 @@ chownr@^1.1.1:
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
   integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
 
+cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
+  integrity sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
 class-utils@^0.3.5:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
@@ -1158,6 +1270,29 @@ core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
+create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
+  dependencies:
+    cipher-base "^1.0.1"
+    inherits "^2.0.1"
+    md5.js "^1.3.4"
+    ripemd160 "^2.0.1"
+    sha.js "^2.4.0"
+
+create-hmac@^1.1.4:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
+  dependencies:
+    cipher-base "^1.0.3"
+    create-hash "^1.1.0"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
 cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
@@ -1268,11 +1403,33 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
+drbg.js@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/drbg.js/-/drbg.js-1.0.1.tgz#3e36b6c42b37043823cdbc332d58f31e2445480b"
+  integrity sha1-Pja2xCs3BDgjzbwzLVjzHiRFSAs=
+  dependencies:
+    browserify-aes "^1.0.6"
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+
 electron-to-chromium@^1.3.295:
   version "1.3.296"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.296.tgz#a1d4322d742317945285d3ba88966561b67f3ac8"
   integrity sha512-s5hv+TSJSVRsxH190De66YHb50pBGTweT9XGWYu/LMR20KX6TsjFzObo36CjVAzM+PUeeKSBRtm/mISlCzeojQ==
 
+elliptic@^6.4.1:
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.1.tgz#c380f5f909bf1b9b4428d028cd18d3b0efd6b52b"
+  integrity sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -1283,6 +1440,16 @@ emoji-regex@^8.0.0:
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
   integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
 
+err-code@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/err-code/-/err-code-1.1.2.tgz#06e0116d3028f6aef4806849eb0ea6a748ae6960"
+  integrity sha1-BuARbTAo9q70gGhJ6w6mp0iuaWA=
+
+err-code@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/err-code/-/err-code-2.0.0.tgz#452dadddde12356b1dd5a85f33b28ddda377ef2a"
+  integrity sha512-MsMOijQ4v0xlmrz1fc7lyPEy7jFhoNF7EVaRSP7mPzs20LaFOwG6qNjGRy3Ie85n9DARlcUnB1zbsBv5sJrIvw==
+
 es-abstract@^1.5.1:
   version "1.16.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.16.0.tgz#d3a26dc9c3283ac9750dca569586e976d9dcc06d"
@@ -1414,6 +1581,14 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
+evp_bytestokey@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
+  integrity sha512-/f2Go4TognH/KvCISP7OUsHn85hT9nUkxxA9BEWxFn+Oj9o8ZNLm/40hdlgSLyuOimsrTKLUMEorQexp/aPQeA==
+  dependencies:
+    md5.js "^1.3.4"
+    safe-buffer "^5.1.1"
+
 expand-brackets@^2.1.4:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
@@ -1494,6 +1669,11 @@ file-entry-cache@^5.0.1:
   dependencies:
     flat-cache "^2.0.1"
 
+file-uri-to-path@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
+  integrity sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==
+
 fill-range@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
@@ -1724,11 +1904,36 @@ has@^1.0.1, has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+hash-base@^3.0.0:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-3.0.4.tgz#5fc8686847ecd73499403319a6b0a3f3f6ae4918"
+  integrity sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+hash.js@^1.0.0, hash.js@^1.0.3:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
+
 he@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
+hmac-drbg@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
+  dependencies:
+    hash.js "^1.0.3"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.1"
+
 iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
@@ -1736,6 +1941,11 @@ iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+ieee754@^1.1.4:
+  version "1.1.13"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
+  integrity sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg==
+
 ignore-walk@^3.0.1:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
@@ -1769,7 +1979,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@^2.0.3, inherits@~2.0.3:
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -1950,6 +2160,11 @@ is-promise@^2.1.0:
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
   integrity sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=
 
+is-promise@~1, is-promise@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-1.0.1.tgz#31573761c057e33c2e91aab9e96da08cefbe76e5"
+  integrity sha1-MVc3YcBX4zwukaq56W2gjO++duU=
+
 is-regex@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
@@ -1979,6 +2194,14 @@ isexe@^2.0.0:
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
   integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
 
+iso-random-stream@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/iso-random-stream/-/iso-random-stream-1.1.1.tgz#83824bba77fbb3480dd6b35fbb06de7f9e93e80f"
+  integrity sha512-YEt/7xOwTdu4KXIgtdgGFkiLUsBaddbnkmHyaFdjJYIcD7V4gpQHPvYC5tyh3kA0PQ01y9lWm1ruVdf8Mqzovg==
+  dependencies:
+    buffer "^5.4.3"
+    readable-stream "^3.4.0"
+
 isobject@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
@@ -1996,6 +2219,11 @@ js-levenshtein@^1.1.3:
   resolved "https://registry.yarnpkg.com/js-levenshtein/-/js-levenshtein-1.1.6.tgz#c6cee58eb3550372df8deb85fad5ce66ce01d59d"
   integrity sha512-X2BB11YZtrRqY4EnQcLX5Rh373zbK4alC1FW7D7MBhL2gtcC17cTnr6DmfHZeS0s2rTHjUTMMHfG7gO8SSdw+g==
 
+js-sha3@~0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -2036,6 +2264,11 @@ json5@^2.1.0:
   dependencies:
     minimist "^1.2.0"
 
+keypair@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/keypair/-/keypair-1.0.1.tgz#7603719270afb6564ed38a22087a06fc9aa4ea1b"
+  integrity sha1-dgNxknCvtlZO04oiCHoG/Jqk6hs=
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -2068,6 +2301,39 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+libp2p-crypto-secp256k1@~0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/libp2p-crypto-secp256k1/-/libp2p-crypto-secp256k1-0.4.0.tgz#337f8cf93f22c40c6d169ccf8a5b127bf402b856"
+  integrity sha512-/Ttz9IJskz2wlKGGPaS0/yWbQQRsY7OuqOkD57twSPiu9Vj66j4J/uxVvULj/6q3k+mIdACT6hZ9tR8tPrAD3Q==
+  dependencies:
+    bs58 "^4.0.1"
+    multihashing-async "^0.7.0"
+    nodeify "^1.0.1"
+    safe-buffer "^5.1.2"
+    secp256k1 "^3.6.2"
+
+libp2p-crypto@^0.17.1:
+  version "0.17.1"
+  resolved "https://registry.yarnpkg.com/libp2p-crypto/-/libp2p-crypto-0.17.1.tgz#20da30d133930e589d9b68057859c65ae677a7cf"
+  integrity sha512-IPz/rn8OtHY1Lae2teowSLw6UMqjkL0eM1fVOdPWRrB8fobDfPuwp67E3v7xGtarf6JSYpugsqTj89KEgbcBtw==
+  dependencies:
+    asmcrypto.js "^2.3.2"
+    asn1.js "^5.2.0"
+    bn.js "^5.0.0"
+    browserify-aes "^1.2.0"
+    bs58 "^4.0.1"
+    err-code "^1.1.2"
+    iso-random-stream "^1.1.0"
+    keypair "^1.0.1"
+    libp2p-crypto-secp256k1 "~0.4.0"
+    multihashing-async "~0.8.0"
+    node-forge "~0.9.1"
+    pem-jwk "^2.0.0"
+    protons "^1.0.1"
+    rsa-pem-to-jwk "^1.1.3"
+    tweetnacl "^1.0.1"
+    ursa-optional "~0.10.1"
+
 locate-path@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
@@ -2120,6 +2386,15 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
+md5.js@^1.3.4:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
+  integrity sha512-xitP+WxNPcTTOgnTJcrhM0xvdPepipPSf3I8EIpGKeFLjt3PlJLIDG3u8EX53ZIubkb+5U2+3rELYpEhHhzdkg==
+  dependencies:
+    hash-base "^3.0.0"
+    inherits "^2.0.1"
+    safe-buffer "^5.1.2"
+
 micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
@@ -2144,6 +2419,16 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
+minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
+
+minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+  integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
+
 minimatch@3.0.4, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@@ -2235,12 +2520,49 @@ ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
+multihashes@~0.4.13, multihashes@~0.4.15:
+  version "0.4.15"
+  resolved "https://registry.yarnpkg.com/multihashes/-/multihashes-0.4.15.tgz#6dbc55f7f312c6782f5367c03c9783681589d8a6"
+  integrity sha512-G/Smj1GWqw1RQP3dRuRRPe3oyLqvPqUaEDIaoi7JF7Loxl4WAWvhJNk84oyDEodSucv0MmSW/ZT0RKUrsIFD3g==
+  dependencies:
+    bs58 "^4.0.1"
+    varint "^5.0.0"
+
+multihashing-async@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/multihashing-async/-/multihashing-async-0.7.0.tgz#3234fb98295be84386b85bfd20377d3e5be20d6b"
+  integrity sha512-SCbfl3f+DzJh+/5piukga9ofIOxwfT05t8R4jfzZIJ88YE9zU9+l3K2X+XB19MYyxqvyK9UJRNWbmQpZqQlbRA==
+  dependencies:
+    blakejs "^1.1.0"
+    buffer "^5.2.1"
+    err-code "^1.1.2"
+    js-sha3 "~0.8.0"
+    multihashes "~0.4.13"
+    murmurhash3js-revisited "^3.0.0"
+
+multihashing-async@~0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/multihashing-async/-/multihashing-async-0.8.0.tgz#a99049160be9bde6681fe93ef15e0e2496341d7d"
+  integrity sha512-t0iDSl1kkI65vaKmv9/bBM9/E/ogywB18+A9hI7QzcQjolue1tcaNWKdoFuniF6QQtNOJFplO4nQtLfQeK3lLw==
+  dependencies:
+    blakejs "^1.1.0"
+    buffer "^5.4.3"
+    err-code "^2.0.0"
+    js-sha3 "~0.8.0"
+    multihashes "~0.4.15"
+    murmurhash3js-revisited "^3.0.0"
+
+murmurhash3js-revisited@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/murmurhash3js-revisited/-/murmurhash3js-revisited-3.0.0.tgz#6bd36e25de8f73394222adc6e41fa3fac08a5869"
+  integrity sha512-/sF3ee6zvScXMb1XFJ8gDsSnY+X8PbOyjIuBhtgis10W2Jx4ZjIhikUCIF9c4gpJxVnQIsPAFrSwTCuAjicP6g==
+
 mute-stream@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
-nan@^2.12.1:
+nan@^2.12.1, nan@^2.14.0:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
@@ -2289,6 +2611,11 @@ node-environment-flags@1.0.5:
     object.getownpropertydescriptors "^2.0.3"
     semver "^5.7.0"
 
+node-forge@~0.9.1:
+  version "0.9.1"
+  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.9.1.tgz#775368e6846558ab6676858a4d8c6e8d16c677b5"
+  integrity sha512-G6RlQt5Sb4GMBzXvhfkeFmbqR6MzhtnT7VTHuLadjkii3rdYHNdw0m8zA4BTxVIh68FicCQ2NSUANpsqkr9jvQ==
+
 node-modules-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz#8d9dbe28964a4ac5712e9131642107c71e90ec40"
@@ -2317,6 +2644,14 @@ node-releases@^1.1.38:
   dependencies:
     semver "^6.3.0"
 
+nodeify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/nodeify/-/nodeify-1.0.1.tgz#64ab69a7bdbaf03ce107b4f0335c87c0b9e91b1d"
+  integrity sha1-ZKtpp7268DzhB7TwM1yHwLnpGx0=
+  dependencies:
+    is-promise "~1.0.0"
+    promise "~1.3.0"
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -2365,6 +2700,11 @@ number-is-nan@^1.0.0:
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
   integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
 
+object-assign@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-2.1.1.tgz#43c36e5d569ff8e4816c4efa8be02d26967c18aa"
+  integrity sha1-Q8NuXVaf+OSBbE76i+AtJpZ8GKo=
+
 object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
@@ -2435,6 +2775,13 @@ onetime@^5.1.0:
   dependencies:
     mimic-fn "^2.1.0"
 
+optimist@~0.3.5:
+  version "0.3.7"
+  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.3.7.tgz#c90941ad59e4273328923074d2cf2e7cbc6ec0d9"
+  integrity sha1-yQlBrVnkJzMokjB00s8ufLxuwNk=
+  dependencies:
+    wordwrap "~0.0.2"
+
 optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
@@ -2535,6 +2882,13 @@ pathval@^1.1.0:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
   integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
 
+pem-jwk@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pem-jwk/-/pem-jwk-2.0.0.tgz#1c5bb264612fc391340907f5c1de60c06d22f085"
+  integrity sha512-rFxu7rVoHgQ5H9YsP50dDWf0rHjreVA2z0yPiWr5WdH/UHb29hKtF7h6l8vNd1cbYR1t0QL+JKhW55a2ZV4KtA==
+  dependencies:
+    asn1.js "^5.0.1"
+
 pify@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/pify/-/pify-4.0.1.tgz#4b2cd25c50d598735c50292224fd8c6df41e3231"
@@ -2579,6 +2933,28 @@ progress@^2.0.0:
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
   integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
 
+promise@~1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/promise/-/promise-1.3.0.tgz#e5cc9a4c8278e4664ffedc01c7da84842b040175"
+  integrity sha1-5cyaTIJ45GZP/twBx9qEhCsEAXU=
+  dependencies:
+    is-promise "~1"
+
+protocol-buffers-schema@^3.3.1:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/protocol-buffers-schema/-/protocol-buffers-schema-3.3.2.tgz#00434f608b4e8df54c59e070efeefc37fb4bb859"
+  integrity sha512-Xdayp8sB/mU+sUV4G7ws8xtYMGdQnxbeIfLjyO9TZZRJdztBGhlmbI5x1qcY4TG5hBkIKGnc28i7nXxaugu88w==
+
+protons@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/protons/-/protons-1.0.1.tgz#1c107144c07fc2d1cb8b6cb76451e6a938237676"
+  integrity sha512-+0ZKnfVs+4c43tbAQ5j0Mck8wPcLnlxUYzKQoB4iDW4ocdXGnN4P+0dDbgX1FTpoY9+7P2Tn2scJyHHqj+S/lQ==
+  dependencies:
+    protocol-buffers-schema "^3.3.1"
+    safe-buffer "^5.1.1"
+    signed-varint "^2.0.1"
+    varint "^5.0.0"
+
 punycode@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
@@ -2607,6 +2983,15 @@ readable-stream@^2.0.2, readable-stream@^2.0.6:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readable-stream@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.4.0.tgz#a51c26754658e0a3c21dbf59163bd45ba6f447fc"
+  integrity sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readdirp@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -2741,6 +3126,29 @@ rimraf@^2.6.1:
   dependencies:
     glob "^7.1.3"
 
+ripemd160@^2.0.0, ripemd160@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.2.tgz#a1c1a6f624751577ba5d07914cbc92850585890c"
+  integrity sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==
+  dependencies:
+    hash-base "^3.0.0"
+    inherits "^2.0.1"
+
+rsa-pem-to-jwk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/rsa-pem-to-jwk/-/rsa-pem-to-jwk-1.1.3.tgz#245e76bdb7e7234cfee7ca032d31b54c38fab98e"
+  integrity sha1-JF52vbfnI0z+58oDLTG1TDj6uY4=
+  dependencies:
+    object-assign "^2.0.0"
+    rsa-unpack "0.0.6"
+
+rsa-unpack@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/rsa-unpack/-/rsa-unpack-0.0.6.tgz#f50ebd56a628378e631f297161026ce9ab4eddba"
+  integrity sha1-9Q69VqYoN45jHylxYQJs6atO3bo=
+  dependencies:
+    optimist "~0.3.5"
+
 run-async@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
@@ -2755,7 +3163,7 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
-safe-buffer@^5.1.2:
+safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
@@ -2782,6 +3190,20 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
+secp256k1@^3.6.2:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.7.1.tgz#12e473e0e9a7c2f2d4d4818e722ad0e14cc1e2f1"
+  integrity sha512-1cf8sbnRreXrQFdH6qsg2H71Xw91fCCS9Yp021GnUNJzWJS/py96fS4lHbnTnouLp08Xj6jBoBB6V78Tdbdu5g==
+  dependencies:
+    bindings "^1.5.0"
+    bip66 "^1.1.5"
+    bn.js "^4.11.8"
+    create-hash "^1.2.0"
+    drbg.js "^1.0.1"
+    elliptic "^6.4.1"
+    nan "^2.14.0"
+    safe-buffer "^5.1.2"
+
 semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0, semver@^5.7.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
@@ -2807,6 +3229,14 @@ set-value@^2.0.0, set-value@^2.0.1:
     is-plain-object "^2.0.3"
     split-string "^3.0.1"
 
+sha.js@^2.4.0, sha.js@^2.4.8:
+  version "2.4.11"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
+  integrity sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -2824,6 +3254,13 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
+signed-varint@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/signed-varint/-/signed-varint-2.0.1.tgz#50a9989da7c98c2c61dad119bc97470ef8528129"
+  integrity sha1-UKmYnafJjCxh2tEZvJdHDvhSgSk=
+  dependencies:
+    varint "~5.0.0"
+
 slash@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
@@ -2973,6 +3410,13 @@ string.prototype.trimright@^2.1.0:
     define-properties "^1.1.3"
     function-bind "^1.1.1"
 
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
+  dependencies:
+    safe-buffer "~5.2.0"
+
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -3107,6 +3551,11 @@ tsutils@^3.17.1:
   dependencies:
     tslib "^1.8.1"
 
+tweetnacl@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-1.0.1.tgz#2594d42da73cd036bd0d2a54683dd35a6b55ca17"
+  integrity sha512-kcoMoKTPYnoeS50tzoqjPY3Uv9axeuuFAZY9M/9zFnhoVvRfxz9K29IMPD7jGmt2c8SW7i3gT9WqDl2+nV7p4A==
+
 type-check@~0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
@@ -3187,12 +3636,20 @@ urix@^0.1.0:
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
   integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
 
+ursa-optional@~0.10.1:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/ursa-optional/-/ursa-optional-0.10.1.tgz#847b9e40a358c41f2264a04d52bba1e92f159adc"
+  integrity sha512-/pgpBXVJut57dHNrdGF+1/qXi+5B7JrlmZDWPSyoivEcbwFWRZJBJGkWb6ivknMBA3bnFA7lqsb6iHiFfp79QQ==
+  dependencies:
+    bindings "^1.5.0"
+    nan "^2.14.0"
+
 use@^3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
@@ -3202,6 +3659,11 @@ v8-compile-cache@^2.0.3:
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"
   integrity sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==
 
+varint@^5.0.0, varint@~5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/varint/-/varint-5.0.0.tgz#d826b89f7490732fabc0c0ed693ed475dcb29ebf"
+  integrity sha1-2Ca4n3SQcy+rwMDtaT7Uddyynr8=
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
@@ -3221,6 +3683,11 @@ wide-align@1.1.3, wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
+wordwrap@~0.0.2:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+  integrity sha1-o9XabNXAvAAI03I0u68b7WMFkQc=
+
 wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"