diff --git a/create-pair/package-lock.json b/create-pair/package-lock.json
index 8b7b34f..ab165b7 100644
--- a/create-pair/package-lock.json
+++ b/create-pair/package-lock.json
@@ -4,6 +4,150 @@
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+        "@polkadot/wasm-crypto": {
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+            "resolved": "https://registry.npmjs.org/@polkadot/wasm-crypto/-/wasm-crypto-0.14.1.tgz",
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@@ -17,6 +161,40 @@
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+            "resolved": "https://registry.npmjs.org/@types/bs58/-/bs58-4.0.1.tgz",
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@@ -41,11 +219,24 @@
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+            "version": "3.1.0",
+            "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.1.0.tgz",
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@@ -54,6 +245,115 @@
                 "@types/node": "*"
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+            "version": "3.5.3",
+            "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-3.5.3.tgz",
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+            "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
+            "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
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+            "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.3.tgz",
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             "resolved": "https://registry.npmjs.org/cacheable-lookup/-/cacheable-lookup-4.1.2.tgz",
@@ -73,6 +373,29 @@
                 "responselike": "^2.0.0"
             }
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+            "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
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+            "resolved": "https://registry.npmjs.org/chalk/-/chalk-3.0.0.tgz",
+            "integrity": "sha512-4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==",
+            "requires": {
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+                "supports-color": "^7.1.0"
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+            "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
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@@ -81,6 +404,66 @@
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+            "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+            "requires": {
+                "inherits": "^2.0.3",
+                "string_decoder": "^1.1.1",
+                "util-deprecate": "^1.0.1"
+            }
+        },
+        "regenerator-runtime": {
+            "version": "0.13.7",
+            "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz",
+            "integrity": "sha512-a54FxoJDIr27pgf7IgeQGxmqUNYrcV338lf/6gH456HZ/PhX+5BcwHXG9ajESmwe6WRO0tAzRUrRmNONWgkrew=="
+        },
         "resolve-alpn": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/resolve-alpn/-/resolve-alpn-1.0.0.tgz",
@@ -218,10 +916,158 @@
                 "lowercase-keys": "^2.0.0"
             }
         },
+        "ripemd160": {
+            "version": "2.0.2",
+            "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
+            "integrity": "sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==",
+            "requires": {
+                "hash-base": "^3.0.0",
+                "inherits": "^2.0.1"
+            }
+        },
+        "rxjs": {
+            "version": "6.6.7",
+            "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.6.7.tgz",
+            "integrity": "sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==",
+            "requires": {
+                "tslib": "^1.9.0"
+            }
+        },
+        "safe-buffer": {
+            "version": "5.2.1",
+            "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+            "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        },
+        "safer-buffer": {
+            "version": "2.1.2",
+            "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+        },
+        "secp256k1": {
+            "version": "3.8.0",
+            "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.8.0.tgz",
+            "integrity": "sha512-k5ke5avRZbtl9Tqx/SA7CbY3NF6Ro+Sj9cZxezFzuBlLDmyqPiL8hJJ+EmzD8Ig4LUDByHJ3/iPOVoRixs/hmw==",
+            "requires": {
+                "bindings": "^1.5.0",
+                "bip66": "^1.1.5",
+                "bn.js": "^4.11.8",
+                "create-hash": "^1.2.0",
+                "drbg.js": "^1.0.1",
+                "elliptic": "^6.5.2",
+                "nan": "^2.14.0",
+                "safe-buffer": "^5.1.2"
+            }
+        },
+        "sha.js": {
+            "version": "2.4.11",
+            "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
+            "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
+            "requires": {
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+            "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
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+            "requires": {
+                "safe-buffer": "~5.2.0"
+            }
+        },
+        "supports-color": {
+            "version": "7.2.0",
+            "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+            "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+            "requires": {
+                "has-flag": "^4.0.0"
+            }
+        },
+        "timers-ext": {
+            "version": "0.1.7",
+            "resolved": "https://registry.npmjs.org/timers-ext/-/timers-ext-0.1.7.tgz",
+            "integrity": "sha512-b85NUNzTSdodShTIbky6ZF02e8STtVVfD+fu4aXXShEELpozH+bCpJLYMPZbsABN2wDH7fJpqIoXxJpzbf0NqQ==",
+            "requires": {
+                "es5-ext": "~0.10.46",
+                "next-tick": "1"
+            }
+        },
+        "tslib": {
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+            "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
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+        },
+        "tweetnacl": {
+            "version": "1.0.3",
+            "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.3.tgz",
+            "integrity": "sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw=="
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+            "resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
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+            "version": "3.1.5",
+            "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
+            "integrity": "sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==",
+            "requires": {
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+            }
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+            "resolved": "https://registry.npmjs.org/unorm/-/unorm-1.6.0.tgz",
+            "integrity": "sha512-b2/KCUlYZUeA7JFUuRJZPUtr4gZvBh7tavtv4fvk4+KV9pfGiR6CQAQAWl49ZpR3ts2dk4FYkP7EIgDJoiOLDA=="
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+        "utf-8-validate": {
+            "version": "5.0.5",
+            "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.5.tgz",
+            "integrity": "sha512-+pnxRYsS/axEpkrrEpzYfNZGXp0IjC/9RIxwM5gntY4Koi8SHmUGSfxfWqxZdRxrtaoVstuOzUp/rbs3JSPELQ==",
+            "requires": {
+                "node-gyp-build": "^4.2.0"
+            }
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+        "util-deprecate": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+            "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+        },
+        "websocket": {
+            "version": "1.0.34",
+            "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.34.tgz",
+            "integrity": "sha512-PRDso2sGwF6kM75QykIesBijKSVceR6jL2G8NGYyq2XrItNC2P5/qL5XeR056GhA+Ly7JMFvJb9I312mJfmqnQ==",
+            "requires": {
+                "bufferutil": "^4.0.1",
+                "debug": "^2.2.0",
+                "es5-ext": "^0.10.50",
+                "typedarray-to-buffer": "^3.1.5",
+                "utf-8-validate": "^5.0.2",
+                "yaeti": "^0.0.6"
+            }
+        },
+        "whatwg-fetch": {
+            "version": "3.6.2",
+            "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.6.2.tgz",
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         "wrappy": {
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
             "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+        },
+        "xxhashjs": {
+            "version": "0.2.2",
+            "resolved": "https://registry.npmjs.org/xxhashjs/-/xxhashjs-0.2.2.tgz",
+            "integrity": "sha512-AkTuIuVTET12tpsVIQo+ZU6f/qDmKuRUcjaqR+OIvm+aCBsZ95i7UVY5WJ9TMsSaZ0DA2WxoZ4acu0sPH+OKAw==",
+            "requires": {
+                "cuint": "^0.2.2"
+            }
+        },
+        "yaeti": {
+            "version": "0.0.6",
+            "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+            "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
         }
     }
 }
diff --git a/create-pair/yarn.lock b/create-pair/yarn.lock
index 7715802..e789070 100644
--- a/create-pair/yarn.lock
+++ b/create-pair/yarn.lock
@@ -751,9 +751,9 @@ node-fetch@^1.0.1:
     is-stream "^1.0.1"
 
 normalize-url@^4.1.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
-  integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.1.tgz#0dd90cf1288ee1d1313b87081c9a5932ee48518a"
+  integrity sha512-9UZCFRHQdNrfTpGg8+1INIg93B6zE0aXMVFkw1WFwvO4SlZywU6aLg5Of0Ap/PgcbSw4LNxvMWXMeugwMCX0AA==
 
 once@^1.3.1, once@^1.4.0:
   version "1.4.0"