diff --git a/.nvmrc b/.nvmrc
index e0325e5ad..eb800ed45 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v16.17.1
+v18.19.0
diff --git a/package-lock.json b/package-lock.json
index 46faa1219..2ffc20466 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "level": "7.0.1",
         "lodash.merge": "4.6.2",
         "macaroon": "3.0.4",
-        "merkletreejs": "0.1.6",
+        "merkletreejs": "0.3.11",
         "minsc": "0.2.0",
         "mkdirp": "1.0.4",
         "nat-upnp-2": "3.0.3",
@@ -72,7 +72,7 @@
         "mocha": "10.2.0"
       },
       "engines": {
-        "node": "16.17.1"
+        "node": "18.19.0"
       }
     },
     "node_modules/@asciidoctor/cli": {
@@ -164,6 +164,30 @@
       "integrity": "sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==",
       "dev": true
     },
+    "node_modules/@ethereumjs/rlp": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@ethereumjs/rlp/-/rlp-4.0.1.tgz",
+      "integrity": "sha512-tqsQiBQDQdmPWE1xkkBq4rlSW5QZpLOUJ5RJh2/9fug+q9tnUhuZoVLk7s0scUIKTOzEtR72DFBXI4WiZcMpvw==",
+      "bin": {
+        "rlp": "bin/rlp"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/@ethereumjs/util": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/@ethereumjs/util/-/util-8.1.0.tgz",
+      "integrity": "sha512-zQ0IqbdX8FZ9aw11vP+dZkKDkS+kgIvQPHnSAXzP9pLu+Rfu3D3XEeLbicvoXJTYnhZiPmsZUxgdzXwNKxRPbA==",
+      "dependencies": {
+        "@ethereumjs/rlp": "^4.0.1",
+        "ethereum-cryptography": "^2.0.0",
+        "micro-ftch": "^0.3.1"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/@honkit/asciidoc": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/@honkit/asciidoc/-/asciidoc-4.0.8.tgz",
@@ -273,6 +297,28 @@
         "node": ">=v12.0.0"
       }
     },
+    "node_modules/@noble/curves": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.1.0.tgz",
+      "integrity": "sha512-091oBExgENk/kGj3AZmtBDMpxQPDtxQABR2B9lb1JbVTs6ytdzZNwvhxQ4MWasRNEzlbEH8jCWFCwhF/Obj5AA==",
+      "dependencies": {
+        "@noble/hashes": "1.3.1"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@noble/curves/node_modules/@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@noble/hashes": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.3.tgz",
@@ -292,6 +338,31 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/@scure/bip32": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.3.1.tgz",
+      "integrity": "sha512-osvveYtyzdEVbt3OfwwXFr4P2iVBL5u1Q3q4ONBfDY/UpOuXmOlbgwc1xECEboY8wIays8Yt6onaWMUdUbfl0A==",
+      "dependencies": {
+        "@noble/curves": "~1.1.0",
+        "@noble/hashes": "~1.3.1",
+        "@scure/base": "~1.1.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@scure/bip39": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.2.1.tgz",
+      "integrity": "sha512-Z3/Fsz1yr904dduJD0NpiyRHhRYHdcnyh73FZWiV+/qhWi83wNJ3NWolYqCEN+ZWsUz2TWwajJggcRE9r1zUYg==",
+      "dependencies": {
+        "@noble/hashes": "~1.3.0",
+        "@scure/base": "~1.1.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@types/connect": {
       "version": "3.4.38",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
@@ -666,6 +737,14 @@
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     },
+    "node_modules/bignumber.js": {
+      "version": "9.1.2",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.2.tgz",
+      "integrity": "sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==",
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/binary-extensions": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
@@ -1589,9 +1668,9 @@
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     },
     "node_modules/crypto-js": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.3.0.tgz",
-      "integrity": "sha512-DIT51nX0dCfKltpRiXV+/TVZq+Qq2NgF4644+K7Ttnla7zEzqc+kjJyiB96BHNyUTBxyjzRcZYpUdZa+QAqi6Q=="
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.2.0.tgz",
+      "integrity": "sha512-KALDyEYgpY+Rlob/iriUtjV6d5Eq+Y191A5g4UqLAi8CyGP9N1+FdVbkc1SxKc2r4YAYqG8JzO2KGL+AizD70Q=="
     },
     "node_modules/css-select": {
       "version": "5.1.0",
@@ -2382,6 +2461,54 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/ethereum-bloom-filters": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.10.tgz",
+      "integrity": "sha512-rxJ5OFN3RwjQxDcFP2Z5+Q9ho4eIdEmSc2ht0fCu8Se9nbXjZ7/031uXoUYJ87KHCOdVeiUuwSnoS7hmYAGVHA==",
+      "dependencies": {
+        "js-sha3": "^0.8.0"
+      }
+    },
+    "node_modules/ethereum-cryptography": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.2.tgz",
+      "integrity": "sha512-Z5Ba0T0ImZ8fqXrJbpHcbpAvIswRte2wGNR/KePnu8GbbvgJ47lMxT/ZZPG6i9Jaht4azPDop4HaM00J0J59ug==",
+      "dependencies": {
+        "@noble/curves": "1.1.0",
+        "@noble/hashes": "1.3.1",
+        "@scure/bip32": "1.3.1",
+        "@scure/bip39": "1.2.1"
+      }
+    },
+    "node_modules/ethereum-cryptography/node_modules/@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/ethjs-unit": {
+      "version": "0.1.6",
+      "resolved": "https://registry.npmjs.org/ethjs-unit/-/ethjs-unit-0.1.6.tgz",
+      "integrity": "sha512-/Sn9Y0oKl0uqQuvgFk/zQgR7aw1g36qX/jzSQ5lSwlO0GigPymk4eGQfeNTD03w1dPOqfz8V77Cy43jH56pagw==",
+      "dependencies": {
+        "bn.js": "4.11.6",
+        "number-to-bn": "1.7.0"
+      },
+      "engines": {
+        "node": ">=6.5.0",
+        "npm": ">=3"
+      }
+    },
+    "node_modules/ethjs-unit/node_modules/bn.js": {
+      "version": "4.11.6",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
+      "integrity": "sha512-XWwnNNFCuuSQ0m3r3C4LE3EiORltHd9M05pq6FOlVeiophzRbMo50Sbz1ehl8K3Z+jw9+vmgnXefY1hz8X+2wA=="
+    },
     "node_modules/eventemitter3": {
       "version": "4.0.7",
       "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
@@ -2634,9 +2761,9 @@
       "dev": true
     },
     "node_modules/follow-redirects": {
-      "version": "1.15.3",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.3.tgz",
-      "integrity": "sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==",
+      "version": "1.15.4",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.4.tgz",
+      "integrity": "sha512-Cr4D/5wlrb0z9dgERpUL3LrmPKVDsETIJhaCMeDfuFYcqa5bldGV6wBsAN6X/vxlXQtFBMrXdXxdL8CbDTGniw==",
       "dev": true,
       "funding": [
         {
@@ -3635,6 +3762,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/is-hex-prefixed": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz",
+      "integrity": "sha512-WvtOiug1VFrE9v1Cydwm+FnXd3+w9GaeVUss5W4v/SLy3UW00vP+6iNF2SdnfiBoLy4bTqVdkftNGTUeOFVsbA==",
+      "engines": {
+        "node": ">=6.5.0",
+        "npm": ">=3"
+      }
+    },
     "node_modules/is-my-ip-valid": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-my-ip-valid/-/is-my-ip-valid-1.0.1.tgz",
@@ -3858,6 +3994,11 @@
       "resolved": "https://registry.npmjs.org/js-sha256/-/js-sha256-0.9.0.tgz",
       "integrity": "sha512-sga3MHh9sgQN2+pJ9VYZ+1LPwXOxuBJBA5nrR5/ofPfuiJBE2hnjsaN8se8JznOmGLN2p49Pe5U/ttafcs/apA=="
     },
+    "node_modules/js-sha3": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -4760,26 +4901,26 @@
       "integrity": "sha512-IAeFvcOnV9V0Yk+bFhYR07O3yNina9ANIN5MoXBKYJ/RLYPurd2d0yw14MDhpr9/momp0WofT1bPUh3hkzdi/g==",
       "dev": true
     },
-    "node_modules/merkle-lib": {
-      "version": "2.0.10",
-      "resolved": "https://registry.npmjs.org/merkle-lib/-/merkle-lib-2.0.10.tgz",
-      "integrity": "sha512-XrNQvUbn1DL5hKNe46Ccs+Tu3/PYOlrcZILuGUhb95oKBPjc/nmIC8D462PQkipVDGKRvwhn+QFg2cCdIvmDJA=="
-    },
     "node_modules/merkletreejs": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/merkletreejs/-/merkletreejs-0.1.6.tgz",
-      "integrity": "sha512-avzBcnIc5j3jBuNNY6NIpAZg1G24IWZPhZUlwoPILnC7uf/Xj4mgW9rA99/zSJn/Nf56TIAUS8Ooiy2nsUIYKg==",
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/merkletreejs/-/merkletreejs-0.3.11.tgz",
+      "integrity": "sha512-LJKTl4iVNTndhL+3Uz/tfkjD0klIWsHlUzgtuNnNrsf7bAlXR30m+xYB7lHr5Z/l6e/yAIsr26Dabx6Buo4VGQ==",
       "dependencies": {
+        "bignumber.js": "^9.0.1",
         "buffer-reverse": "^1.0.1",
-        "crypto-js": "^3.1.9-1",
-        "is-buffer": "^2.0.3",
-        "merkle-lib": "^2.0.10",
-        "treeify": "^1.1.0"
+        "crypto-js": "^4.2.0",
+        "treeify": "^1.1.0",
+        "web3-utils": "^1.3.4"
       },
       "engines": {
         "node": ">= 7.6.0"
       }
     },
+    "node_modules/micro-ftch": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/micro-ftch/-/micro-ftch-0.3.1.tgz",
+      "integrity": "sha512-/0LLxhzP0tfiR5hcQebtudP56gUurs2CLkGarnCiB/OqEyUFQ6U3paQi/tgLv0hBJYt2rnr9MNpxz4fiiugstg=="
+    },
     "node_modules/mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
@@ -5028,9 +5169,9 @@
       }
     },
     "node_modules/moment": {
-      "version": "2.30.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.30.0.tgz",
-      "integrity": "sha512-8XSlYFhOSJvnEJOas6RpDCNU2PYeVC+oE33d3Z9tIsXpD8LIgBeqrHPjP8es4b3fcJpf07D1PJWGDUfdbqDLnQ==",
+      "version": "2.30.1",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.30.1.tgz",
+      "integrity": "sha512-uEmtNhbDOrWPFS+hdjFCBfy9f2YoyzRpwcl+DqpC6taX21FzsTLQVbMV/W7PzNSX6x/bhC1zA3c2UQ5NzH6how==",
       "dev": true,
       "engines": {
         "node": "*"
@@ -5213,6 +5354,24 @@
         "url": "https://github.com/fb55/nth-check?sponsor=1"
       }
     },
+    "node_modules/number-to-bn": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/number-to-bn/-/number-to-bn-1.7.0.tgz",
+      "integrity": "sha512-wsJ9gfSz1/s4ZsJN01lyonwuxA1tml6X1yBDnfpMglypcBRFZZkus26EdPSlqS5GJfYddVZa22p3VNb3z5m5Ig==",
+      "dependencies": {
+        "bn.js": "4.11.6",
+        "strip-hex-prefix": "1.0.0"
+      },
+      "engines": {
+        "node": ">=6.5.0",
+        "npm": ">=3"
+      }
+    },
+    "node_modules/number-to-bn/node_modules/bn.js": {
+      "version": "4.11.6",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
+      "integrity": "sha512-XWwnNNFCuuSQ0m3r3C4LE3EiORltHd9M05pq6FOlVeiophzRbMo50Sbz1ehl8K3Z+jw9+vmgnXefY1hz8X+2wA=="
+    },
     "node_modules/nunjucks": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/nunjucks/-/nunjucks-3.2.4.tgz",
@@ -6431,6 +6590,18 @@
         "node": ">=4"
       }
     },
+    "node_modules/strip-hex-prefix": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/strip-hex-prefix/-/strip-hex-prefix-1.0.0.tgz",
+      "integrity": "sha512-q8d4ue7JGEiVcypji1bALTos+0pWtyGlivAWyPuTkHzuTCJqrK9sWxYQZUq6Nq3cuyv3bm734IhHvHtGGURU6A==",
+      "dependencies": {
+        "is-hex-prefixed": "1.0.0"
+      },
+      "engines": {
+        "node": ">=6.5.0",
+        "npm": ">=3"
+      }
+    },
     "node_modules/strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
@@ -6871,6 +7042,11 @@
       "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
       "dev": true
     },
+    "node_modules/utf8": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/utf8/-/utf8-3.0.0.tgz",
+      "integrity": "sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ=="
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -7055,6 +7231,24 @@
         "node": ">=4.0.0"
       }
     },
+    "node_modules/web3-utils": {
+      "version": "1.10.3",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.10.3.tgz",
+      "integrity": "sha512-OqcUrEE16fDBbGoQtZXWdavsPzbGIDc5v3VrRTZ0XrIpefC/viZ1ZU9bGEemazyS0catk/3rkOOxpzTfY+XsyQ==",
+      "dependencies": {
+        "@ethereumjs/util": "^8.1.0",
+        "bn.js": "^5.2.1",
+        "ethereum-bloom-filters": "^1.0.6",
+        "ethereum-cryptography": "^2.1.2",
+        "ethjs-unit": "0.1.6",
+        "number-to-bn": "1.7.0",
+        "randombytes": "^2.1.0",
+        "utf8": "3.0.0"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
diff --git a/package.json b/package.json
index 458eedeea..4409a0040 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "test": "tests"
   },
   "engines": {
-    "node": "16.17.1"
+    "node": "18.19.0"
   },
   "scripts": {
     "audit": "npm audit --json --level critical > reports/AUDIT.json",
@@ -111,7 +111,7 @@
     "level": "7.0.1",
     "lodash.merge": "4.6.2",
     "macaroon": "3.0.4",
-    "merkletreejs": "0.1.6",
+    "merkletreejs": "0.3.11",
     "minsc": "0.2.0",
     "mkdirp": "1.0.4",
     "nat-upnp-2": "3.0.3",
diff --git a/reports/install.log b/reports/install.log
index 07b253de3..9384da604 100644
--- a/reports/install.log
+++ b/reports/install.log
@@ -1,14 +1,11 @@
 $ npm i
 
-added 695 packages, and audited 696 packages in 51s
+added 714 packages, and audited 715 packages in 27s
 
-79 packages are looking for funding
+83 packages are looking for funding
   run `npm fund` for details
 
-4 vulnerabilities (2 high, 2 critical)
-
-To address all issues possible (including breaking changes), run:
-  npm audit fix --force
+2 high severity vulnerabilities
 
 Some issues need review, and may require choosing
 a different dependency.