diff --git a/package-lock.json b/package-lock.json
index 93acd28..f0aff2f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "ethereumjs-blockstream": "^5.0.0",
         "ethers": "^5.5.3",
-        "keythereum": "^1.0.4",
+        "keythereum": "^2.0.0",
         "prompt-sync": "^4.1.5",
         "yargs": "^12.0.1"
       },
@@ -689,6 +689,70 @@
         "@ethersproject/strings": "^5.5.0"
       }
     },
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+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
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+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ]
+    },
+    "node_modules/@noble/secp256k1": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
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+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ]
+    },
+    "node_modules/@scure/base": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.1.tgz",
+      "integrity": "sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ]
+    },
+    "node_modules/@scure/bip32": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.1.0.tgz",
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+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "dependencies": {
+        "@noble/hashes": "~1.1.1",
+        "@noble/secp256k1": "~1.6.0",
+        "@scure/base": "~1.1.0"
+      }
+    },
+    "node_modules/@scure/bip39": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.1.0.tgz",
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+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "dependencies": {
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+        "@scure/base": "~1.1.0"
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+    },
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@@ -886,62 +939,6 @@
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@@ -950,7 +947,7 @@
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-      "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
+      "integrity": "sha512-571s0T7nZWK6vB67HI5dyUF7wXiNcfaPPPTl6zYCNApANjIvYJTg7hlud/+cJpdAhS7dVzqMLmfhfHR3rAcOjQ=="
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@@ -1178,15 +1175,6 @@
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@@ -1199,19 +1187,6 @@
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@@ -1227,27 +1202,6 @@
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-      "integrity": "sha512-fz4spIh+znjO2VjL+IdhEpRJ3YN6sMzITSBijk6FK2UvTqruSQW+/cCZTSNsMiZNvUeq0CqurF+dAbyiGOY6Wg==",
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-        "browserify-sign": "^4.0.0",
-        "create-ecdh": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "create-hmac": "^1.1.0",
-        "diffie-hellman": "^5.0.0",
-        "inherits": "^2.0.1",
-        "pbkdf2": "^3.0.3",
-        "public-encrypt": "^4.0.0",
-        "randombytes": "^2.0.0",
-        "randomfill": "^1.0.3"
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@@ -1271,25 +1225,6 @@
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-      "resolved": "https://registry.npmjs.org/des.js/-/des.js-1.0.1.tgz",
-      "integrity": "sha512-Q0I4pfFrv2VPd34/vfLrFOoRmlYj3OV50i7fskps1jZWK1kApMWWT9G6RRUeYedLcBDIhnSDaUvJMb3AhUlaEA==",
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-    },
-    "node_modules/diffie-hellman": {
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-      "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
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-        "miller-rabin": "^4.0.0",
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@@ -1537,6 +1472,17 @@
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       }
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+    "node_modules/ethereum-cryptography": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-1.1.2.tgz",
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+      "dependencies": {
+        "@noble/hashes": "1.1.2",
+        "@noble/secp256k1": "1.6.3",
+        "@scure/bip32": "1.1.0",
+        "@scure/bip39": "1.1.0"
+      }
+    },
     "node_modules/ethereumjs-blockstream": {
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@@ -1998,39 +1944,22 @@
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-      "resolved": "https://registry.npmjs.org/keythereum/-/keythereum-1.2.0.tgz",
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/keythereum/-/keythereum-2.0.0.tgz",
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-        "secp256k1": "4.0.2",
-        "sjcl": "1.0.6",
-        "uuid": "3.0.0"
+        "browserify-aes": "1.2.0",
+        "ethereum-cryptography": "1.1.2",
+        "uuid": "8.3.2"
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-      "deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
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       "bin": {
-        "uuid": "bin/uuid"
+        "uuid": "dist/bin/uuid"
       }
     },
     "node_modules/lcid": {
@@ -2119,18 +2048,6 @@
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@@ -2475,19 +2350,6 @@
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@@ -4880,18 +4576,6 @@
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-      "resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.1.2.tgz",
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@@ -4930,19 +4614,6 @@
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-      "resolved": "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.3.tgz",
-      "integrity": "sha512-zVpa8oKZSz5bTMTFClc1fQOnyyEzpl5ozpi1B5YcvBrdohMjH2rfsBtyXcuNuwjsDIXmBYlF2N5FlJYhR29t8Q==",
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-        "browserify-rsa": "^4.0.0",
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@@ -4952,27 +4623,10 @@
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-    "randomfill": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/randomfill/-/randomfill-1.0.4.tgz",
-      "integrity": "sha512-87lcbR8+MhcWcUiQ+9e+Rwx8MyR2P7qnt15ynUlbm3TU/fjbgz4GsvfSUDTemtCCtVCqb4ZcEFlyPNTh9bBTLw==",
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-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-      "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
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@@ -5068,23 +4722,14 @@
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       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
     },
     "scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
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     },
-    "secp256k1": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.2.tgz",
-      "integrity": "sha512-UDar4sKvWAksIlfX3xIaQReADn+WFnHvbVujpcbr+9Sf/69odMwy2MUsz5CKLQgX9nsIyrjuxL2imVyoNHa3fg==",
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     "semver": {
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       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -5122,11 +4767,6 @@
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-    "sjcl": {
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-      "resolved": "https://registry.npmjs.org/sjcl/-/sjcl-1.0.6.tgz",
-      "integrity": "sha1-ZBVGKmPMDUIVxJuuydP6DBtTUg8="
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diff --git a/package.json b/package.json
index 1d1fa94..ed72d7e 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "ethereumjs-blockstream": "^5.0.0",
     "ethers": "^5.5.3",
-    "keythereum": "^1.0.4",
+    "keythereum": "^2.0.0",
     "prompt-sync": "^4.1.5",
     "yargs": "^12.0.1"
   },