diff --git a/package-lock.json b/package-lock.json
index 1e497e5..6cb90a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,26 +27,197 @@
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+        "@ethersproject/address": ">=5.0.0-beta.128",
+        "@ethersproject/bignumber": ">=5.0.0-beta.130",
+        "@ethersproject/bytes": ">=5.0.0-beta.129",
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+        "@ethersproject/hash": ">=5.0.0-beta.128",
+        "@ethersproject/keccak256": ">=5.0.0-beta.127",
+        "@ethersproject/logger": ">=5.0.0-beta.129",
+        "@ethersproject/properties": ">=5.0.0-beta.131",
+        "@ethersproject/strings": ">=5.0.0-beta.130"
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+        "@ethersproject/bytes": "^5.0.0",
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+      "dependencies": {
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+          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
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+      "integrity": "sha512-FxAisPGAOACQjMJzewl9OJG6lsGCPTm5vpUMtfeoxzAlAb2lv+kHzQPUh9h4jfAILzE8AR1jgXMzRmlhwyra1Q==",
+      "requires": {
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+      "resolved": "https://registry.npmjs.org/@ethersproject/rlp/-/rlp-5.0.2.tgz",
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+      "requires": {
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+        "@ethersproject/logger": "^5.0.0"
+      }
+    },
+    "@ethersproject/signing-key": {
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+      "resolved": "https://registry.npmjs.org/@ethersproject/signing-key/-/signing-key-5.0.3.tgz",
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+      "requires": {
+        "@ethersproject/bytes": "^5.0.0",
+        "@ethersproject/logger": "^5.0.0",
+        "@ethersproject/properties": "^5.0.0",
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+        "@ethersproject/constants": "^5.0.0",
+        "@ethersproject/logger": "^5.0.0"
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+        "@ethersproject/bignumber": "^5.0.0",
+        "@ethersproject/bytes": "^5.0.0",
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+        "@ethersproject/signing-key": "^5.0.0"
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+      "requires": {
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+    "@types/secp256k1": {
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+      "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.1.tgz",
+      "integrity": "sha512-+ZjSA8ELlOp8SlKi0YLB2tz9d5iPNEmOBd+8Rz21wTMdaXQIa9b6TEnD6l5qKOCypE7FSyPyck12qZJxSDNoog==",
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+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
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@@ -58,11 +229,6 @@
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@@ -74,27 +240,11 @@
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@@ -108,33 +258,6 @@
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@@ -143,213 +266,88 @@
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+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
     "xhr": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
@@ -5662,11 +4254,11 @@
       }
     },
     "xhr-request-promise": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
-      "integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.3.tgz",
+      "integrity": "sha512-YUBytBsuwgitWtdRzXDDkWAXzhdGB8bYm0sSzMPZT7Z2MBjMSTHFsyCT1yCRATY+XC69DUrQraRAEgcoCRaIPg==",
       "requires": {
-        "xhr-request": "^1.0.1"
+        "xhr-request": "^1.1.0"
       }
     },
     "xhr2-cookies": {
@@ -5677,11 +4269,6 @@
         "cookiejar": "^2.1.1"
       }
     },
-    "xmlhttprequest": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
-    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -5697,6 +4284,11 @@
       "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
       "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
     },
+    "yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+    },
     "yargs": {
       "version": "12.0.5",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
diff --git a/package.json b/package.json
index ca01889..1f7bf20 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "blake2b": "^2.1.3",
     "snarkjs": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
     "typedarray-to-buffer": "^3.1.5",
-    "web3": "^1.0.0-beta.55"
+    "web3": "^1.2.11"
   },
   "devDependencies": {
     "circom": "0.0.35",