diff --git a/package.json b/package.json
index 0368e40..3677cb0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "nanocurrency",
-  "description": "A toolkit for the Nano cryptocurrency, allowing you to derive keys, generate seeds, hashes, signatures, proofs of work and blocks.",
+  "description":
+    "A toolkit for the Nano cryptocurrency, allowing you to derive keys, generate seeds, hashes, signatures, proofs of work and blocks.",
   "version": "0.0.0-development",
   "author": {
     "name": "Marvin ROGER",
@@ -18,7 +19,6 @@
   "dependencies": {
     "bignumber.js": "^7.2.0",
     "blakejs": "^1.1.0",
-    "nano-base32": "^1.0.0",
     "yargs": "^12.0.1"
   },
   "devDependencies": {
@@ -46,23 +46,12 @@
     "typedoc-plugin-internal-external": "^1.0.10",
     "typescript": "^2.8.3"
   },
-  "files": [
-    "dist/"
-  ],
+  "files": ["dist/"],
   "homepage": "https://github.com/marvinroger/nanocurrency-js",
   "jest": {
-    "testPathIgnorePatterns": [
-      "<rootDir>/__tests__/data/",
-      "<rootDir>/node_modules/"
-    ]
+    "testPathIgnorePatterns": ["<rootDir>/__tests__/data/", "<rootDir>/node_modules/"]
   },
-  "keywords": [
-    "crypto",
-    "currency",
-    "nano",
-    "pow",
-    "raiblocks"
-  ],
+  "keywords": ["crypto", "currency", "nano", "pow", "raiblocks"],
   "license": "GPL-3.0",
   "main": "dist/nanocurrency.cjs.js",
   "module": "dist/nanocurrency.esm.js",
@@ -78,7 +67,8 @@
     "build:dev": "yarn build:dev:native && yarn build:dev:js",
     "build:dev:js": "cross-env NODE_ENV=development rollup -c",
     "build:dev:native": "cross-env EMCC_ARGS=\"\" cross-os build:native__cross",
-    "build:native__common": "cross-var docker run --rm -v $PWD:/src trzeci/emscripten emcc -o native.js $EMCC_ARGS -s WASM=1 -s MODULARIZE=1 -s SINGLE_FILE=1 -s \"EXTRA_EXPORTED_RUNTIME_METHODS=[\\\"cwrap\\\"]\" src/native/functions.c src/native/blake2/ref/blake2b-ref.c",
+    "build:native__common":
+      "cross-var docker run --rm -v $PWD:/src trzeci/emscripten emcc -o native.js $EMCC_ARGS -s WASM=1 -s MODULARIZE=1 -s SINGLE_FILE=1 -s \"EXTRA_EXPORTED_RUNTIME_METHODS=[\\\"cwrap\\\"]\" src/native/functions.c src/native/blake2/ref/blake2b-ref.c",
     "build:native__cross": {
       "darwin": "cross-env PWD=\"$(pwd)\" yarn build:native__common",
       "linux": "cross-env PWD=\"$(pwd)\" yarn build:native__common",
@@ -86,7 +76,8 @@
     },
     "build:prod": "yarn build:prod:native && yarn build:prod:js",
     "build:prod:js": "cross-env NODE_ENV=production rollup -c",
-    "build:prod:native": "cross-env EMCC_ARGS=\"-O3 --closure 1 --llvm-lto 3\" cross-os build:native__cross",
+    "build:prod:native":
+      "cross-env EMCC_ARGS=\"-O3 --closure 1 --llvm-lto 3\" cross-os build:native__cross",
     "generate-docs": "typedoc src/index.ts",
     "format": "prettier --write \"{src,__tests__}/**/*.{ts,js}\"",
     "lint": "tslint --project . \"src/**/*.ts\"",
diff --git a/src/keys.ts b/src/keys.ts
index 1bff087..5ff1840 100644
--- a/src/keys.ts
+++ b/src/keys.ts
@@ -4,12 +4,12 @@
  * Licensed under GPL-3.0 (https://git.io/vAZsK)
  */
 import { blake2b, blake2bFinal, blake2bInit, blake2bUpdate } from 'blakejs';
-import nanoBase32 from 'nano-base32';
 
 import { checkKey, checkSeed } from './check';
 import { derivePublicFromSecret } from './nacl';
 import { byteArrayToHex, getRandomBytes, hexToByteArray } from './utils';
 import { parseAddress } from './parse';
+import { encodeNanoBase32 } from './nano-base32';
 
 /**
  * Generate a cryptographically secure seed.
@@ -104,11 +104,11 @@ export function deriveAddress(publicKey: string, params: DeriveAddressParams = {
   let prefix = 'xrb_';
   if (params.useNanoPrefix === true) prefix = 'nano_';
 
-  const encodedPublicKey = nanoBase32.encode(paddedPublicKeyBytes);
+  const encodedPublicKey = encodeNanoBase32(paddedPublicKeyBytes);
 
   const checksum = blake2b(publicKeyBytes, null, 5).reverse();
 
-  const encodedChecksum = nanoBase32.encode(checksum);
+  const encodedChecksum = encodeNanoBase32(checksum);
 
   return prefix + encodedPublicKey + encodedChecksum;
 }
diff --git a/src/nano-base32.ts b/src/nano-base32.ts
new file mode 100644
index 0000000..8657d3b
--- /dev/null
+++ b/src/nano-base32.ts
@@ -0,0 +1,101 @@
+/*
+MIT License
+
+Copyright (c) 2018 Gray Olson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+const alphabet = '13456789abcdefghijkmnopqrstuwxyz';
+
+/**
+ * Encode provided Uint8Array using the Nano-specific Base-32 implementeation.
+ * @param view Input buffer formatted as a Uint8Array
+ * @returns
+ */
+export function encodeNanoBase32(view: Uint8Array) {
+  const length = view.length;
+  const leftover = (length * 8) % 5;
+  const offset = leftover === 0 ? 0 : 5 - leftover;
+
+  let value = 0;
+  let output = '';
+  let bits = 0;
+
+  for (let i = 0; i < length; i++) {
+    value = (value << 8) | view[i];
+    bits += 8;
+
+    while (bits >= 5) {
+      output += alphabet[(value >>> (bits + offset - 5)) & 31];
+      bits -= 5;
+    }
+  }
+
+  if (bits > 0) {
+    output += alphabet[(value << (5 - (bits + offset))) & 31];
+  }
+
+  return output;
+}
+
+function readChar(char: string) {
+  const idx = alphabet.indexOf(char);
+
+  if (idx === -1) {
+    throw new Error('Invalid character found: ' + char);
+  }
+
+  return idx;
+}
+
+/**
+ * Decodes a Nano-implementation Base32 encoded string into a Uint8Array
+ * @param input A Nano-Base32 encoded string
+ * @returns
+ */
+export function decodeNanoBase32(input: string) {
+  const length = input.length;
+  const leftover = (length * 5) % 8;
+  const offset = leftover === 0 ? 0 : 8 - leftover;
+
+  let bits = 0;
+  let value = 0;
+
+  let index = 0;
+  let output = new Uint8Array(Math.ceil(length * 5 / 8));
+
+  for (let i = 0; i < length; i++) {
+    value = (value << 5) | readChar(input[i]);
+    bits += 5;
+
+    if (bits >= 8) {
+      output[index++] = (value >>> (bits + offset - 8)) & 255;
+      bits -= 8;
+    }
+  }
+  if (bits > 0) {
+    output[index++] = (value << (bits + offset - 8)) & 255;
+  }
+
+  if (leftover !== 0) {
+    output = output.slice(1);
+  }
+  return output;
+}
diff --git a/src/parse.ts b/src/parse.ts
index 1e24cb2..c8878e4 100644
--- a/src/parse.ts
+++ b/src/parse.ts
@@ -4,10 +4,10 @@
  * Licensed under GPL-3.0 (https://git.io/vAZsK)
  */
 import { blake2b } from 'blakejs';
-import nanoBase32 from 'nano-base32';
 
 import { compareArrays } from './utils';
 import { checkString } from './check';
+import { decodeNanoBase32 } from './nano-base32';
 
 /** @hidden */
 export interface ParseAddressResult {
@@ -30,8 +30,8 @@ export function parseAddress(address: any): ParseAddressResult {
     prefixLength = 5;
   }
 
-  const publicKeyBytes = nanoBase32.decode(address.substr(prefixLength, 52));
-  const checksumBytes = nanoBase32.decode(address.substr(prefixLength + 52));
+  const publicKeyBytes = decodeNanoBase32(address.substr(prefixLength, 52));
+  const checksumBytes = decodeNanoBase32(address.substr(prefixLength + 52));
 
   const computedChecksumBytes = blake2b(publicKeyBytes, null, 5).reverse();
 
diff --git a/yarn.lock b/yarn.lock
index aea846b..1ef3beb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3879,10 +3879,6 @@ nan@^2.6.2, nan@^2.9.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
 
-nano-base32@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/nano-base32/-/nano-base32-1.0.1.tgz#ba548c879efcfb90da1c4d9e097db4a46c9255ef"
-
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"