diff --git a/package.json b/package.json
index d8c7b6f74..ff7711b46 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
   },
   "resolutions": {
     "scrypt.js": "https://registry.npmjs.org/@compound-finance/ethereumjs-wallet/-/ethereumjs-wallet-0.6.3.tgz",
-    "**/ganache-core": "github:compound-finance/ganache-core.git#jflatow/unbreak-fork"
+    "**/ganache-core": "github:compound-finance/ganache-core.git#jflatow/unbreak-fork",
+    "merkle-patricia-tree": "3.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 775fbde69..5f769771e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -981,6 +981,13 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.28.tgz#3a2b5f8d21f96ace690a8832ae9779114612575f"
   integrity sha512-g73GJYJDXgf0jqg+P9S8h2acWbDXNkoCX8DLtJVu7Fkn788pzQ/oJsrdJz/2JejRf/SjfZaAhsw+3nd1D5EWGg==
 
+"@types/pbkdf2@^3.0.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/pbkdf2/-/pbkdf2-3.1.0.tgz#039a0e9b67da0cdc4ee5dab865caa6b267bb66b1"
+  integrity sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==
+  dependencies:
+    "@types/node" "*"
+
 "@types/prop-types@*":
   version "15.7.3"
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.3.tgz#2ab0d5da2e5815f94b0b9d4b95d1e5f243ab2ca7"
@@ -994,6 +1001,13 @@
     "@types/prop-types" "*"
     csstype "^2.2.0"
 
+"@types/secp256k1@^4.0.1":
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/@types/secp256k1/-/secp256k1-4.0.3.tgz#1b8e55d8e00f08ee7220b4d59a6abe89c37a901c"
+  integrity sha512-Da66lEIFeIz9ltsdMZcpQvmrmmoqrfju8pm1BH8WbYjZSwUgCwXLb9C+9XYogwBITnbsSaMdVPb2ekf7TV+03w==
+  dependencies:
+    "@types/node" "*"
+
 "@types/solidity-parser-antlr@^0.2.3":
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/@types/solidity-parser-antlr/-/solidity-parser-antlr-0.2.3.tgz#bb2d9c6511bf483afe4fc3e2714da8a924e59e3f"
@@ -1081,7 +1095,7 @@ abstract-leveldown@3.0.0:
   dependencies:
     xtend "~4.0.0"
 
-abstract-leveldown@^2.4.1, abstract-leveldown@~2.7.1:
+abstract-leveldown@^2.4.1:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.7.2.tgz#87a44d7ebebc341d59665204834c8b7e0932cc93"
   integrity sha512-+OVvxH2rHVEhWLdbudP6p0+dNMXu8JA1CbhP19T8paTYAcX7oJ4OVjT+ZUVpv7mITxXHqDMej+GdqXBmXkw09w==
@@ -1095,13 +1109,6 @@ abstract-leveldown@^5.0.0, abstract-leveldown@~5.0.0:
   dependencies:
     xtend "~4.0.0"
 
-abstract-leveldown@~2.6.0:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz#1c5e8c6a5ef965ae8c35dfb3a8770c476b82c4b8"
-  integrity sha512-2++wDf/DYqkPR3o5tbfdhF96EfMApo1GpPfzOsR/ZYXdkSmELlvOOEAl9iKkRsktMPHdGjO4rtkBpf2I7TiTeA==
-  dependencies:
-    xtend "~4.0.0"
-
 accepts@~1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -2184,6 +2191,11 @@ bl@^3.0.0:
   dependencies:
     readable-stream "^3.0.1"
 
+blakejs@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/blakejs/-/blakejs-1.1.1.tgz#bf313053978b2cd4c444a48795710be05c785702"
+  integrity sha512-bLG6PHOCZJKNshTjGRBvET0vTciwQE6zFKOKKXPDJfwFBd4Ac0yBfPZqcGvGJap50l7ktvlpFqc2jGVaUgbJgg==
+
 bluebird@^3.5.0:
   version "3.7.2"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
@@ -2282,7 +2294,7 @@ browser-stdout@1.3.0:
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
   integrity sha1-81HTKWnTL6XXpVZxVCY9korjvR8=
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
+browserify-aes@^1.0.0, browserify-aes@^1.0.4, 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==
@@ -2992,7 +3004,7 @@ create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2, create-hash@^1.2.0:
     ripemd160 "^2.0.1"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.7:
   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==
@@ -3241,13 +3253,6 @@ defer-to-connect@^1.0.1:
   resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.1.3.tgz#331ae050c08dcf789f8c83a7b81f0ed94f4ac591"
   integrity sha512-0ISdNousHvZT2EiFlZeZAHBUvSxmKswVCEf8hW7KWgG4a8MVEu/3Vb6uWYozkjylyCxe0JBIiRB1jV45S70WVQ==
 
-deferred-leveldown@~1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz#3acd2e0b75d1669924bc0a4b642851131173e1eb"
-  integrity sha512-uukrWD2bguRtXilKt6cAWKyoXrTSMo5m7crUdLfWQmu8kIm88w3QZoUL+6nhpfKVmhHANER6Re3sKoNoZ3IKMA==
-  dependencies:
-    abstract-leveldown "~2.6.0"
-
 deferred-leveldown@~4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-4.0.2.tgz#0b0570087827bf480a23494b398f04c128c19a20"
@@ -3911,6 +3916,27 @@ ethereum-common@^0.0.18:
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
+ethereum-cryptography@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz#8d6143cfc3d74bf79bbd8edecdf29e4ae20dd191"
+  integrity sha512-w8/4x1SGGzc+tO97TASLja6SLd3fRIK2tLVcV2Gx4IB21hE19atll5Cq9o3d0ZmAYC/8aw0ipieTSiekAea4SQ==
+  dependencies:
+    "@types/pbkdf2" "^3.0.0"
+    "@types/secp256k1" "^4.0.1"
+    blakejs "^1.1.0"
+    browserify-aes "^1.2.0"
+    bs58check "^2.1.2"
+    create-hash "^1.2.0"
+    create-hmac "^1.1.7"
+    hash.js "^1.1.7"
+    keccak "^3.0.0"
+    pbkdf2 "^3.0.17"
+    randombytes "^2.1.0"
+    safe-buffer "^5.1.2"
+    scrypt-js "^3.0.0"
+    secp256k1 "^4.0.1"
+    setimmediate "^1.0.5"
+
 ethereum-types@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/ethereum-types/-/ethereum-types-3.1.0.tgz#76de33b398b5b5375e08e647c92ac00e87a647d9"
@@ -4064,6 +4090,19 @@ ethereumjs-util@^4.0.1, ethereumjs-util@^4.3.0:
     rlp "^2.0.0"
     secp256k1 "^3.0.1"
 
+ethereumjs-util@^5.2.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz#a833f0e5fca7e5b361384dc76301a721f537bf65"
+  integrity sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==
+  dependencies:
+    bn.js "^4.11.0"
+    create-hash "^1.1.2"
+    elliptic "^6.5.2"
+    ethereum-cryptography "^0.1.3"
+    ethjs-util "^0.1.3"
+    rlp "^2.0.0"
+    safe-buffer "^5.1.1"
+
 ethereumjs-util@~6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz#e9c51e5549e8ebd757a339cc00f5380507e799c8"
@@ -5206,7 +5245,7 @@ hash.js@1.1.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.0"
 
-hash.js@^1.0.0, hash.js@^1.0.3:
+hash.js@^1.0.0, hash.js@^1.0.3, hash.js@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
   integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
@@ -5342,7 +5381,7 @@ ieee754@^1.1.4:
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
   integrity sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg==
 
-immediate@^3.2.3, immediate@~3.2.3:
+immediate@~3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.2.3.tgz#d140fa8f614659bd6541233097ddaac25cdd991c"
   integrity sha1-0UD6j2FGWb1lQSMwl92qwlzdmRw=
@@ -5721,11 +5760,6 @@ is-wsl@^1.1.0:
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
   integrity sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0=
 
-isarray@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
-  integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
-
 isarray@1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -6480,6 +6514,15 @@ keccak@^2.0.0:
     nan "^2.14.0"
     safe-buffer "^5.2.0"
 
+keccak@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/keccak/-/keccak-3.0.2.tgz#4c2c6e8c54e04f2670ee49fa734eb9da152206e0"
+  integrity sha512-PyKKjkH53wDMLGrvmRGSNWgmSxZOUqbnXwKL9tmgbFYA1iAYqW21kfR7mZXV0MlESiefxQQE9X9fTa3X+2MPDQ==
+  dependencies:
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+    readable-stream "^3.6.0"
+
 keccakjs@^0.2.0:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.3.tgz#5e4e969ce39689a3861f445d7752ee3477f9fe72"
@@ -6570,18 +6613,6 @@ level-codec@^9.0.0:
   resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-9.0.1.tgz#042f4aa85e56d4328ace368c950811ba802b7247"
   integrity sha512-ajFP0kJ+nyq4i6kptSM+mAvJKLOg1X5FiFPtLG9M5gCEZyBmgDi3FkDrvlMkEzrUn1cWxtvVmrvoS4ASyO/q+Q==
 
-level-codec@~7.0.0:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-7.0.1.tgz#341f22f907ce0f16763f24bddd681e395a0fb8a7"
-  integrity sha512-Ua/R9B9r3RasXdRmOtd+t9TCOEIIlts+TN/7XTT2unhDaL6sJn83S3rUyljbr6lVtw49N3/yA0HHjpV6Kzb2aQ==
-
-level-errors@^1.0.3:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-1.1.2.tgz#4399c2f3d3ab87d0625f7e3676e2d807deff404d"
-  integrity sha512-Sw/IJwWbPKF5Ai4Wz60B52yj0zYeqzObLh8k1Tk88jVmD51cJSKWSYpRyhVIvFzZdvsPqlH5wfhp/yxdsaQH4w==
-  dependencies:
-    errno "~0.1.1"
-
 level-errors@^2.0.0, level-errors@~2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-2.0.1.tgz#2132a677bf4e679ce029f517c2f17432800c05c8"
@@ -6589,13 +6620,6 @@ level-errors@^2.0.0, level-errors@~2.0.0:
   dependencies:
     errno "~0.1.1"
 
-level-errors@~1.0.3:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-1.0.5.tgz#83dbfb12f0b8a2516bdc9a31c4876038e227b859"
-  integrity sha512-/cLUpQduF6bNrWuAC4pwtUKA5t669pCsCi2XbmojG2tFeOr9j6ShtdDCtFFQO1DRt+EVZhx9gPzP9G2bUaG4ig==
-  dependencies:
-    errno "~0.1.1"
-
 level-iterator-stream@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-2.0.3.tgz#ccfff7c046dcf47955ae9a86f46dfa06a31688b4"
@@ -6605,16 +6629,6 @@ level-iterator-stream@^2.0.3:
     readable-stream "^2.0.5"
     xtend "^4.0.0"
 
-level-iterator-stream@~1.3.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-1.3.1.tgz#e43b78b1a8143e6fa97a4f485eb8ea530352f2ed"
-  integrity sha1-5Dt4sagUPm+pek9IXrjqUwNS8u0=
-  dependencies:
-    inherits "^2.0.1"
-    level-errors "^1.0.3"
-    readable-stream "^1.0.33"
-    xtend "^4.0.0"
-
 level-iterator-stream@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-3.0.1.tgz#2c98a4f8820d87cdacab3132506815419077c730"
@@ -6663,13 +6677,14 @@ level-sublevel@6.6.4:
     typewiselite "~1.0.0"
     xtend "~4.0.0"
 
-level-ws@0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/level-ws/-/level-ws-0.0.0.tgz#372e512177924a00424b0b43aef2bb42496d228b"
-  integrity sha1-Ny5RIXeSSgBCSwtDrvK7QkltIos=
+level-ws@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/level-ws/-/level-ws-1.0.0.tgz#19a22d2d4ac57b18cc7c6ecc4bd23d899d8f603b"
+  integrity sha512-RXEfCmkd6WWFlArh3X8ONvQPm8jNpfA0s/36M4QzLqrLEIt1iJE9WBHLZ5vZJK6haMjJPJGJCQWfjMNnRcq/9Q==
   dependencies:
-    readable-stream "~1.0.15"
-    xtend "~2.1.1"
+    inherits "^2.0.3"
+    readable-stream "^2.2.8"
+    xtend "^4.0.1"
 
 levelup@3.1.1, levelup@^3.0.0:
   version "3.1.1"
@@ -6681,19 +6696,6 @@ levelup@3.1.1, levelup@^3.0.0:
     level-iterator-stream "~3.0.0"
     xtend "~4.0.0"
 
-levelup@^1.2.1:
-  version "1.3.9"
-  resolved "https://registry.yarnpkg.com/levelup/-/levelup-1.3.9.tgz#2dbcae845b2bb2b6bea84df334c475533bbd82ab"
-  integrity sha512-VVGHfKIlmw8w1XqpGOAGwq6sZm2WwWLmlDcULkKWQXEA5EopA8OBNJ2Ck2v6bdk8HeEZSbCSEgzXadyQFm76sQ==
-  dependencies:
-    deferred-leveldown "~1.2.1"
-    level-codec "~7.0.0"
-    level-errors "~1.0.3"
-    level-iterator-stream "~1.3.0"
-    prr "~1.0.1"
-    semver "~5.4.1"
-    xtend "~4.0.0"
-
 leven@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-3.1.0.tgz#77891de834064cccba82ae7842bb6b14a13ed7f2"
@@ -6934,18 +6936,6 @@ mem@^1.1.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-memdown@^1.0.0:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/memdown/-/memdown-1.4.1.tgz#b4e4e192174664ffbae41361aa500f3119efe215"
-  integrity sha1-tOThkhdGZP+65BNhqlAPMRnv4hU=
-  dependencies:
-    abstract-leveldown "~2.7.1"
-    functional-red-black-tree "^1.0.1"
-    immediate "^3.2.3"
-    inherits "~2.0.1"
-    ltgt "~2.2.0"
-    safe-buffer "~5.1.1"
-
 memdown@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/memdown/-/memdown-3.0.0.tgz#93aca055d743b20efc37492e9e399784f2958309"
@@ -6978,17 +6968,16 @@ merge2@^1.3.0:
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.3.0.tgz#5b366ee83b2f1582c48f87e47cf1a9352103ca81"
   integrity sha512-2j4DAdlBOkiSZIsaXk4mTE3sRS02yBHAtfy127xRV3bQUFqXkjHCHLW6Scv7DwNRbIWNHH8zpnz9zMaKXIdvYw==
 
-merkle-patricia-tree@2.3.2, merkle-patricia-tree@^2.1.2, merkle-patricia-tree@^2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-2.3.2.tgz#982ca1b5a0fde00eed2f6aeed1f9152860b8208a"
-  integrity sha512-81PW5m8oz/pz3GvsAwbauj7Y00rqm81Tzad77tHBwU7pIAtN+TJnMSOJhxBKflSVYhptMMb9RskhqHqrSm1V+g==
+merkle-patricia-tree@2.3.2, merkle-patricia-tree@3.0.0, merkle-patricia-tree@^2.1.2, merkle-patricia-tree@^2.3.2:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-3.0.0.tgz#448d85415565df72febc33ca362b8b614f5a58f8"
+  integrity sha512-soRaMuNf/ILmw3KWbybaCjhx86EYeBbD8ph0edQCTed0JN/rxDt1EBN52Ajre3VyGo+91f8+/rfPIRQnnGMqmQ==
   dependencies:
-    async "^1.4.2"
-    ethereumjs-util "^5.0.0"
-    level-ws "0.0.0"
-    levelup "^1.2.1"
-    memdown "^1.0.0"
-    readable-stream "^2.0.0"
+    async "^2.6.1"
+    ethereumjs-util "^5.2.0"
+    level-mem "^3.0.1"
+    level-ws "^1.0.0"
+    readable-stream "^3.0.6"
     rlp "^2.0.0"
     semaphore ">=1.0.1"
 
@@ -7319,6 +7308,11 @@ node-abi@^2.7.0:
   dependencies:
     semver "^5.4.1"
 
+node-addon-api@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/node-addon-api/-/node-addon-api-2.0.2.tgz#432cfa82962ce494b132e9d72a15b29f71ff5d32"
+  integrity sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA==
+
 node-fetch@2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
@@ -7332,6 +7326,11 @@ node-fetch@^1.0.1, node-fetch@~1.7.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-gyp-build@^4.2.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.3.0.tgz#9f256b03e5826150be39c764bf51e993946d71a3"
+  integrity sha512-iWjXZvmboq0ja1pUGULQBexmxq8CV4xBhX7VDOTbL7ZR4FOowwY/VOtRxBN/yKxmdGoIp4j5ysNT4u3S2pDQ3Q==
+
 node-hid@^0.7.9:
   version "0.7.9"
   resolved "https://registry.yarnpkg.com/node-hid/-/node-hid-0.7.9.tgz#cc0cdf1418a286a7667f0b63642b5eeb544ccd05"
@@ -7477,11 +7476,6 @@ object-keys@^1.0.11, object-keys@^1.0.12, object-keys@^1.1.1:
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
   integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
 
-object-keys@~0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
-  integrity sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=
-
 object-visit@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
@@ -7840,6 +7834,17 @@ pathval@^1.1.0:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
   integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
 
+pbkdf2@^3.0.17:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.1.2.tgz#dd822aa0887580e52f1a039dc3eda108efae3075"
+  integrity sha512-iuh7L6jA7JEGu2WxDwtQP1ddOpaJNC4KlDEFfdQajSGgGPNi4OyDc2R7QnbY2bR9QjBVGwgvTdNJZoE7RaxUMA==
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
 pbkdf2@^3.0.3, pbkdf2@^3.0.9:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
@@ -8279,17 +8284,7 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-readable-stream@^1.0.33:
-  version "1.1.14"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
-  integrity sha1-fPTFTvZI44EwhMY23SB54WbAgdk=
-  dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
-
-readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.8, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.7"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
   integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
@@ -8302,7 +8297,7 @@ readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-readable-stream@^3.0.1, readable-stream@^3.1.1:
+readable-stream@^3.0.1, readable-stream@^3.0.6, readable-stream@^3.1.1, readable-stream@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
@@ -8311,16 +8306,6 @@ readable-stream@^3.0.1, readable-stream@^3.1.1:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
-readable-stream@~1.0.15:
-  version "1.0.34"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
-  integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
-  dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
-
 readdirp@^2.0.0, readdirp@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -8712,7 +8697,7 @@ scrypt-js@2.0.4:
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
   integrity sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw==
 
-scrypt-js@^3.0.1:
+scrypt-js@^3.0.0, scrypt-js@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
   integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
@@ -8749,6 +8734,15 @@ secp256k1@^3.0.1:
     nan "^2.14.0"
     safe-buffer "^5.1.2"
 
+secp256k1@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-4.0.2.tgz#15dd57d0f0b9fdb54ac1fa1694f40e5e9a54f4a1"
+  integrity sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==
+  dependencies:
+    elliptic "^6.5.2"
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
 seedrandom@3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/seedrandom/-/seedrandom-3.0.1.tgz#eb3dde015bcf55df05a233514e5df44ef9dce083"
@@ -8793,11 +8787,6 @@ semver@^6.0.0, semver@^6.2.0, semver@^6.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
-semver@~5.4.1:
-  version "5.4.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
-  integrity sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg==
-
 send@0.17.1:
   version "0.17.1"
   resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
@@ -9270,11 +9259,6 @@ string_decoder@^1.1.1:
   dependencies:
     safe-buffer "~5.2.0"
 
-string_decoder@~0.10.x:
-  version "0.10.31"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
-  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
-
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -10859,13 +10843,6 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
-xtend@~2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.1.2.tgz#6efecc2a4dad8e6962c4901b337ce7ba87b5d28b"
-  integrity sha1-bv7MKk2tjmlixJAbM3znuoe10os=
-  dependencies:
-    object-keys "~0.4.0"
-
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"