diff --git a/build/websnark.js b/build/websnark.js
index 48fab7f..f65aab0 100644
--- a/build/websnark.js
+++ b/build/websnark.js
@@ -6544,12 +6544,12 @@ module.exports = build;
 */
 
 const bigInt = require("big-integer");
-const Circuit = require("snarkjs/src/circuit");
-const bigInt2 = require("snarkjs/src/bigint");
+const Circuit = require("tornado-snarkjs/src/circuit");
+const bigInt2 = require("tornado-snarkjs/src/bigint");
 const hexifyBigInts = require("../tools/stringifybigint").hexifyBigInts;
 const unstringifyBigInts = require("../tools/stringifybigint").unstringifyBigInts;
-const stringifyBigInts2 = require("snarkjs/src/stringifybigint").stringifyBigInts;
-const unstringifyBigInts2 = require("snarkjs/src/stringifybigint").unstringifyBigInts;
+const stringifyBigInts2 = require("tornado-snarkjs/src/stringifybigint").stringifyBigInts;
+const unstringifyBigInts2 = require("tornado-snarkjs/src/stringifybigint").unstringifyBigInts;
 
 function bigInt2BytesLE(_a, len) {
     const b = Array(len);
diff --git a/example/websnark.js b/example/websnark.js
index 48fab7f..f65aab0 100644
--- a/example/websnark.js
+++ b/example/websnark.js
@@ -6544,12 +6544,12 @@ module.exports = build;
 */
 
 const bigInt = require("big-integer");
-const Circuit = require("snarkjs/src/circuit");
-const bigInt2 = require("snarkjs/src/bigint");
+const Circuit = require("tornado-snarkjs/src/circuit");
+const bigInt2 = require("tornado-snarkjs/src/bigint");
 const hexifyBigInts = require("../tools/stringifybigint").hexifyBigInts;
 const unstringifyBigInts = require("../tools/stringifybigint").unstringifyBigInts;
-const stringifyBigInts2 = require("snarkjs/src/stringifybigint").stringifyBigInts;
-const unstringifyBigInts2 = require("snarkjs/src/stringifybigint").unstringifyBigInts;
+const stringifyBigInts2 = require("tornado-snarkjs/src/stringifybigint").stringifyBigInts;
+const unstringifyBigInts2 = require("tornado-snarkjs/src/stringifybigint").unstringifyBigInts;
 
 function bigInt2BytesLE(_a, len) {
     const b = Array(len);
diff --git a/package-lock.json b/package-lock.json
index f935571..215fefc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,140 +5,106 @@
   "requires": true,
   "dependencies": {
     "@babel/code-frame": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
-      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz",
+      "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==",
       "dev": true,
       "requires": {
-        "@babel/highlight": "^7.0.0"
+        "@babel/highlight": "^7.14.5"
       }
     },
+    "@babel/helper-validator-identifier": {
+      "version": "7.14.9",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.9.tgz",
+      "integrity": "sha512-pQYxPY0UP6IHISRitNe8bsijHex4TWZXi2HwKVsjPiltzlhse2znVcm9Ace510VT1kxIHjGJCZZQBX2gJDbo0g==",
+      "dev": true
+    },
     "@babel/highlight": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
-      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.14.5.tgz",
+      "integrity": "sha512-qf9u2WFWVV0MppaL877j2dBtQIDgmidgjGk5VIMw3OadXvYaXn66U1BFlH2t4+t3i+8PhedppRv+i40ABzd+gg==",
       "dev": true,
       "requires": {
+        "@babel/helper-validator-identifier": "^7.14.5",
         "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
         "js-tokens": "^4.0.0"
       }
     },
     "@webassemblyjs/ast": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.8.4.tgz",
-      "integrity": "sha512-MYJJsFkxI6hVK03p8guYwa12EEkQOMIoQTUSSjTYj6zD9leLgDY8HyPJkHnU5UlwxQvlMSoj30Dft8mu4rbqkg==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.11.1.tgz",
+      "integrity": "sha512-ukBh14qFLjxTQNTXocdyksN5QdM28S1CxHt2rdskFyL+xFV7VremuBLVbmCePj+URalXBENx/9Lm7lnhihtCSw==",
       "dev": true,
       "requires": {
-        "@webassemblyjs/helper-module-context": "1.8.4",
-        "@webassemblyjs/helper-wasm-bytecode": "1.8.4",
-        "@webassemblyjs/wast-parser": "1.8.4"
+        "@webassemblyjs/helper-numbers": "1.11.1",
+        "@webassemblyjs/helper-wasm-bytecode": "1.11.1"
       }
     },
     "@webassemblyjs/floating-point-hex-parser": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.8.4.tgz",
-      "integrity": "sha512-Qkxrx/qG0wS/Tp1DnRYGlsmPYxWd/sm7i2fzy5W1f9vrPUhJUhG21Mnp25ED3P7wqinXJ5Ggwck/qOqIb0hdJw==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.11.1.tgz",
+      "integrity": "sha512-iGRfyc5Bq+NnNuX8b5hwBrRjzf0ocrJPI6GWFodBFzmFnyvrQ83SHKhmilCU/8Jv67i4GJZBMhEzltxzcNagtQ==",
       "dev": true
     },
     "@webassemblyjs/helper-api-error": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-api-error/-/helper-api-error-1.8.4.tgz",
-      "integrity": "sha512-nxl3QSDOxa3J0ZHrswPvHiCejH0XtfNmfEeqxz4XL6foe/yReVvDn9LseniDlURtxWr5KhNh2CRJ1NnNvogbIA==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-api-error/-/helper-api-error-1.11.1.tgz",
+      "integrity": "sha512-RlhS8CBCXfRUR/cwo2ho9bkheSXG0+NwooXcc3PAILALf2QLdFyj7KGsKRbVc95hZnhnERon4kW/D3SZpp6Tcg==",
       "dev": true
     },
-    "@webassemblyjs/helper-code-frame": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.8.4.tgz",
-      "integrity": "sha512-OARFm7ZtGqSRpjyvYMTyskUpZnZ0epQLazvPezqpO88AUeOvl/IoyIPm1W2oqB1EnnKJ3i3dJ8EEfF1hSkPgvA==",
+    "@webassemblyjs/helper-numbers": {
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-numbers/-/helper-numbers-1.11.1.tgz",
+      "integrity": "sha512-vDkbxiB8zfnPdNK9Rajcey5C0w+QJugEglN0of+kmO8l7lDb77AnlKYQF7aarZuCrv+l0UvqL+68gSDr3k9LPQ==",
       "dev": true,
       "requires": {
-        "@webassemblyjs/wast-printer": "1.8.4"
-      }
-    },
-    "@webassemblyjs/helper-fsm": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-fsm/-/helper-fsm-1.8.4.tgz",
-      "integrity": "sha512-bpDqHABhfwCoCR7tpznOsbOpwBCMYO6nmzWSKOG40U/Mnts2/HCnR5ZTXA19/TtlXWNJM4EkOzZrunch4u4G6g==",
-      "dev": true
-    },
-    "@webassemblyjs/helper-module-context": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-module-context/-/helper-module-context-1.8.4.tgz",
-      "integrity": "sha512-PzQPKniqlK+rBlqW7tYY8Z4ZmTJlHNLzNWIxCDbyfSyIn6ONDKKBloX7xy90F1kvyMwy2e0EzyYid1USbOiFiw==",
-      "dev": true,
-      "requires": {
-        "@webassemblyjs/ast": "1.8.4",
-        "mamacro": "^0.0.3"
+        "@webassemblyjs/floating-point-hex-parser": "1.11.1",
+        "@webassemblyjs/helper-api-error": "1.11.1",
+        "@xtuc/long": "4.2.2"
       }
     },
     "@webassemblyjs/helper-wasm-bytecode": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.8.4.tgz",
-      "integrity": "sha512-95N3PSHUawqwJRGDj12T5sbTUf7DGxZV2faITR5PdH+1oOXYanEWt8dFoIg3Gw/C+ZnASl5fbUjcSWpXTis2tg==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.11.1.tgz",
+      "integrity": "sha512-PvpoOGiJwXeTrSf/qfudJhwlvDQxFgelbMqtq52WWiXC6Xgg1IREdngmPN3bs4RoO83PnL/nFrxucXj1+BX62Q==",
       "dev": true
     },
     "@webassemblyjs/ieee754": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/ieee754/-/ieee754-1.8.4.tgz",
-      "integrity": "sha512-jp90pcPqGp3Stda+otuUtRax4k6P3kd90D1mBSLqm+J59KnRCr/NQeaXMRfPIKWVFgfi7tQIMe0Oxm98Ou/RRg==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/ieee754/-/ieee754-1.11.1.tgz",
+      "integrity": "sha512-hJ87QIPtAMKbFq6CGTkZYJivEwZDbQUgYd3qKSadTNOhVY7p+gfP6Sr0lLRVTaG1JjFj+r3YchoqRYxNH3M0GQ==",
       "dev": true,
       "requires": {
         "@xtuc/ieee754": "^1.2.0"
       }
     },
     "@webassemblyjs/leb128": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/leb128/-/leb128-1.8.4.tgz",
-      "integrity": "sha512-5rlS2G0+CTs0SReAFJT8J2M5RrweNRMgjOi5dxeT+5Hs9XumCFzh8q5le2DMekcEptmxzlssxPIRBa+pW10GuQ==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/leb128/-/leb128-1.11.1.tgz",
+      "integrity": "sha512-BJ2P0hNZ0u+Th1YZXJpzW6miwqQUGcIHT1G/sf72gLVD9DZ5AdYTqPNbHZh6K1M5VmKvFXwGSWZADz+qBWxeRw==",
       "dev": true,
       "requires": {
         "@xtuc/long": "4.2.2"
       }
     },
     "@webassemblyjs/utf8": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/utf8/-/utf8-1.8.4.tgz",
-      "integrity": "sha512-f50OQaWB555SAx95YBtA8TxwgeIQisticYryYRrPKqzTzjQI+z5R8S5t9OEybtN6vyJ3iL61YTBptRR+WOxPcw==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/utf8/-/utf8-1.11.1.tgz",
+      "integrity": "sha512-9kqcxAEdMhiwQkHpkNiorZzqpGrodQQ2IGrHHxCy+Ozng0ofyMA0lTqiLkVs1uzTRejX+/O0EOT7KxqVPuXosQ==",
       "dev": true
     },
     "@webassemblyjs/wasm-parser": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-parser/-/wasm-parser-1.8.4.tgz",
-      "integrity": "sha512-cMOKi0j06W9nwU6+Yr4o63xeY892kcc2HURRiUJx1EJbGY0ETy/GVjaIXpIQaKqSaO86nAQC+6ZV7TYl398Ayw==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-parser/-/wasm-parser-1.11.1.tgz",
+      "integrity": "sha512-rrBujw+dJu32gYB7/Lup6UhdkPx9S9SnobZzRVL7VcBH9Bt9bCBLEuX/YXOOtBsOZ4NQrRykKhffRWHvigQvOA==",
       "dev": true,
       "requires": {
-        "@webassemblyjs/ast": "1.8.4",
-        "@webassemblyjs/helper-api-error": "1.8.4",
-        "@webassemblyjs/helper-wasm-bytecode": "1.8.4",
-        "@webassemblyjs/ieee754": "1.8.4",
-        "@webassemblyjs/leb128": "1.8.4",
-        "@webassemblyjs/utf8": "1.8.4"
-      }
-    },
-    "@webassemblyjs/wast-parser": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-parser/-/wast-parser-1.8.4.tgz",
-      "integrity": "sha512-S9IPkQOXcvaLOcGl5w3VfDwL3CaGiK/eC6TCdqK+7oHIp7IsvLHdlueQAlIcNupyxcUd9IBs/nu8H72/tKn4aw==",
-      "dev": true,
-      "requires": {
-        "@webassemblyjs/ast": "1.8.4",
-        "@webassemblyjs/floating-point-hex-parser": "1.8.4",
-        "@webassemblyjs/helper-api-error": "1.8.4",
-        "@webassemblyjs/helper-code-frame": "1.8.4",
-        "@webassemblyjs/helper-fsm": "1.8.4",
-        "@xtuc/long": "4.2.2"
-      }
-    },
-    "@webassemblyjs/wast-printer": {
-      "version": "1.8.4",
-      "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-printer/-/wast-printer-1.8.4.tgz",
-      "integrity": "sha512-KYTRcJVhgk6BExe/tFU6HxtvdQVrLuuElGAmN9XKSSz2YfpkWIfAauF2rzVHNnMx6NBkoHaEOX6LosRk/IhkJA==",
-      "dev": true,
-      "requires": {
-        "@webassemblyjs/ast": "1.8.4",
-        "@webassemblyjs/wast-parser": "1.8.4",
-        "@xtuc/long": "4.2.2"
+        "@webassemblyjs/ast": "1.11.1",
+        "@webassemblyjs/helper-api-error": "1.11.1",
+        "@webassemblyjs/helper-wasm-bytecode": "1.11.1",
+        "@webassemblyjs/ieee754": "1.11.1",
+        "@webassemblyjs/leb128": "1.11.1",
+        "@webassemblyjs/utf8": "1.11.1"
       }
     },
     "@xtuc/ieee754": {
@@ -164,56 +130,41 @@
       }
     },
     "acorn": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
-      "integrity": "sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==",
-      "dev": true
-    },
-    "acorn-dynamic-import": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz",
-      "integrity": "sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==",
+      "version": "7.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+      "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
       "dev": true
     },
     "acorn-jsx": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
-      "integrity": "sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
+      "integrity": "sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==",
       "dev": true
     },
     "acorn-node": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.7.0.tgz",
-      "integrity": "sha512-XhahLSsCB6X6CJbe+uNu3Mn9sJBNFxtBN9NLgAOQovfS6Kh0lDUtmlclhjn9CvEK7A7YyRU13PXlNcpSiLI9Yw==",
+      "version": "1.8.2",
+      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.8.2.tgz",
+      "integrity": "sha512-8mt+fslDufLYntIoPAaIMUe/lrbrehIiwmR3t2k9LljIzoigEPF27eLk2hy8zSGzmR/ogr7zbRKINMo1u0yh5A==",
       "dev": true,
       "requires": {
-        "acorn": "^6.1.1",
-        "acorn-dynamic-import": "^4.0.0",
-        "acorn-walk": "^6.1.1",
-        "xtend": "^4.0.1"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "6.1.1",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-          "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
-          "dev": true
-        }
+        "acorn": "^7.0.0",
+        "acorn-walk": "^7.0.0",
+        "xtend": "^4.0.2"
       }
     },
     "acorn-walk": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.1.1.tgz",
-      "integrity": "sha512-OtUw6JUTgxA2QoqqmrmQ7F2NYqiBPi/L2jqHyFtllhOUvXYQXf0Z1CYUinIfyT4bTCGmrA7gX9FvHA81uzCoVw==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.2.0.tgz",
+      "integrity": "sha512-OPdCF6GsMIP+Az+aWfAAOEt2/+iVDKE7oy6lJ098aoe59oAmK76qV6Gw60SbZ8jHuG2wH058GF4pLFbYamYrVA==",
       "dev": true
     },
     "ajv": {
-      "version": "6.9.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.9.1.tgz",
-      "integrity": "sha512-XDN92U311aINL77ieWHmqCcNlwjoP5cHXDxIxbf2MaPYuCXOHS7gHH8jktxeK5omgd52XbSTX6a4Piwd1pQmzA==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
@@ -255,33 +206,24 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "array-filter": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
-      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
-      "dev": true
-    },
-    "array-map": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
-      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
-      "dev": true
-    },
-    "array-reduce": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
-      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
-      "dev": true
-    },
     "asn1.js": {
-      "version": "4.10.1",
-      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
-      "integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
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+    "which-boxed-primitive": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
+      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
+      "dev": true,
+      "requires": {
+        "is-bigint": "^1.0.1",
+        "is-boolean-object": "^1.1.0",
+        "is-number-object": "^1.0.4",
+        "is-string": "^1.0.5",
+        "is-symbol": "^1.0.3"
+      }
+    },
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
@@ -2993,55 +3244,47 @@
         "string-width": "^1.0.2 || 2"
       }
     },
-    "wordwrap": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
       "dev": true
     },
     "wrap-ansi": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+      "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
       "dev": true,
       "requires": {
-        "string-width": "^1.0.1",
-        "strip-ansi": "^3.0.1"
+        "ansi-styles": "^3.2.0",
+        "string-width": "^3.0.0",
+        "strip-ansi": "^5.0.0"
       },
       "dependencies": {
         "ansi-regex": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "dev": true,
-          "requires": {
-            "number-is-nan": "^1.0.0"
-          }
-        },
         "string-width": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "dev": true,
           "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "^4.1.0"
           }
         }
       }
@@ -3062,41 +3305,67 @@
       }
     },
     "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
       "dev": true
     },
     "y18n": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.3.tgz",
+      "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "dev": true
     },
     "yargs": {
-      "version": "12.0.5",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-      "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
       "dev": true,
       "requires": {
-        "cliui": "^4.0.0",
-        "decamelize": "^1.2.0",
+        "cliui": "^5.0.0",
         "find-up": "^3.0.0",
-        "get-caller-file": "^1.0.1",
-        "os-locale": "^3.0.0",
+        "get-caller-file": "^2.0.1",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^1.0.1",
+        "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
-        "string-width": "^2.0.0",
+        "string-width": "^3.0.0",
         "which-module": "^2.0.0",
-        "y18n": "^3.2.1 || ^4.0.0",
-        "yargs-parser": "^11.1.1"
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.2"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
       }
     },
     "yargs-parser": {
-      "version": "11.1.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-      "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+      "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "dev": true,
       "requires": {
         "camelcase": "^5.0.0",
@@ -3104,14 +3373,14 @@
       }
     },
     "yargs-unparser": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.5.0.tgz",
-      "integrity": "sha512-HK25qidFTCVuj/D1VfNiEndpLIeJN78aqgR23nL3y4N0U/91cOAzqfHlF8n2BvoNDcZmJKin3ddNSvOxSr8flw==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
+      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
       "dev": true,
       "requires": {
         "flat": "^4.1.0",
-        "lodash": "^4.17.11",
-        "yargs": "^12.0.5"
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 2cb90f2..35003f9 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "eslint-plugin-webassembly": "^1.8.4",
     "mocha": "^6.1.4",
     "package": "^1.0.1",
-    "snarkjs": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
+    "tornado-snarkjs": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
     "wasmbuilder": "0.0.3"
   },
   "dependencies": {
diff --git a/src/utils.js b/src/utils.js
index f599cd6..e18e80b 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -18,14 +18,14 @@
 */
 
 const bigInt = require("big-integer");
-const Circuit = require("snarkjs/src/circuit");
-const bigInt2 = require("snarkjs/src/bigint");
+const Circuit = require("tornado-snarkjs/src/circuit");
+const bigInt2 = require("tornado-snarkjs/src/bigint");
 const hexifyBigInts = require("../tools/stringifybigint").hexifyBigInts;
 const unhexifyBigInts = require("../tools/stringifybigint").unhexifyBigInts;
 const stringifyBigInts = require("../tools/stringifybigint").stringifyBigInts;
 const unstringifyBigInts = require("../tools/stringifybigint").unstringifyBigInts;
-const stringifyBigInts2 = require("snarkjs/src/stringifybigint").stringifyBigInts;
-const unstringifyBigInts2 = require("snarkjs/src/stringifybigint").unstringifyBigInts;
+const stringifyBigInts2 = require("tornado-snarkjs/src/stringifybigint").stringifyBigInts;
+const unstringifyBigInts2 = require("tornado-snarkjs/src/stringifybigint").unstringifyBigInts;
 
 function bigInt2BytesLE(_a, len) {
     const b = Array(len);
diff --git a/test/bn128.js b/test/bn128.js
index 72aa379..592851f 100644
--- a/test/bn128.js
+++ b/test/bn128.js
@@ -1,6 +1,6 @@
 const assert = require("assert");
-const refBn128 = require("snarkjs").bn128;
-const refBigInt = require("snarkjs").bigInt;
+const refBn128 = require("tornado-snarkjs").bn128;
+const refBigInt = require("tornado-snarkjs").bigInt;
 
 const buildBn128 = require("../index.js").buildBn128;
 
diff --git a/test/fft.js b/test/fft.js
index 10f2940..fb6cd86 100644
--- a/test/fft.js
+++ b/test/fft.js
@@ -1,6 +1,6 @@
 const assert = require("assert");
-const refBn128 = require("snarkjs").bn128;
-const refBigInt = require("snarkjs").bigInt;
+const refBn128 = require("tornado-snarkjs").bn128;
+const refBigInt = require("tornado-snarkjs").bigInt;
 
 const buildBn128 = require("../index.js").buildBn128;
 
diff --git a/test/groth16.js b/test/groth16.js
index a2ab1aa..3b5780c 100644
--- a/test/groth16.js
+++ b/test/groth16.js
@@ -2,7 +2,7 @@
 const assert = require("assert");
 const fs = require("fs");
 const path = require("path");
-const snarkjs = require("snarkjs");
+const snarkjs = require("tornado-snarkjs");
 
 const buildGroth16 = require("../index.js").buildGroth16;