diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000..e937f25
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,64 @@
+{
+  "presets": [
+    [
+      "@babel/env",
+      {
+        "modules": false,
+        "targets": {
+          "browsers": [">0.25%"]
+        },
+        "useBuiltIns": "usage"
+      }
+    ],
+    "@babel/typescript"
+  ],
+  "env": {
+    "development": {
+      "plugins": ["@babel/transform-runtime"]
+    },
+    "production": {
+      "plugins": ["@babel/transform-runtime", "transform-remove-console"]
+    },
+    "test": {
+      "presets": [
+        [
+          "@babel/env",
+          {
+            "modules": "commonjs",
+            "targets": {
+              "node": "current"
+            }
+          }
+        ],
+        "@babel/typescript"
+      ]
+    }
+  },
+  "plugins": [
+    "@babel/plugin-syntax-dynamic-import",
+    "@babel/plugin-syntax-import-meta",
+    "@babel/plugin-proposal-class-properties",
+    "@babel/plugin-proposal-json-strings",
+    [
+      "@babel/plugin-proposal-decorators",
+      {
+        "legacy": true
+      }
+    ],
+    "@babel/plugin-proposal-function-sent",
+    "@babel/plugin-proposal-export-namespace-from",
+    "@babel/plugin-proposal-numeric-separator",
+    "@babel/plugin-proposal-throw-expressions",
+    "@babel/plugin-proposal-export-default-from",
+    "@babel/plugin-proposal-logical-assignment-operators",
+    "@babel/plugin-proposal-optional-chaining",
+    [
+      "@babel/plugin-proposal-pipeline-operator",
+      {
+        "proposal": "minimal"
+      }
+    ],
+    "@babel/plugin-proposal-nullish-coalescing-operator",
+    "@babel/plugin-proposal-do-expressions"
+  ]
+}
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..c46f349
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,9 @@
+
+
+# Development folders and files #
+#################################
+.tmp/
+node_modules/
+package.json
+.travis.yml
+*.md
\ No newline at end of file
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..bbaef00
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,15 @@
+{
+  "parser": "typescript",
+  "printWidth": 80,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "arrowParens": "always",
+  "overrides": [
+    {
+      "files": "*.json",
+      "options": {
+        "parser": "json"
+      }
+    }
+  ]
+}
diff --git a/.tsconfig.base.json b/.tsconfig.base.json
new file mode 100644
index 0000000..d95b11a
--- /dev/null
+++ b/.tsconfig.base.json
@@ -0,0 +1,26 @@
+{
+    "compilerOptions": {
+      "allowSyntheticDefaultImports": true,
+      "baseUrl": ".",
+      "composite": true,
+      "declaration": true,
+      "declarationMap": true,
+      "downlevelIteration": true,
+      "emitDecoratorMetadata": true,
+      "esModuleInterop": true,
+      "experimentalDecorators": true,
+      "preserveConstEnums": true,
+      "importHelpers": true,
+      "lib": ["esnext", "dom"],
+      "module": "commonjs",
+      "moduleResolution": "node",
+      "sourceMap": true,
+      "paths": {
+        "*": ["typings/*", "includes/*"]
+      },
+      "resolveJsonModule": true,
+      "noUnusedLocals": true,
+      "strict": true,
+      "target": "es5"
+    }
+  }
\ No newline at end of file
diff --git a/.tsconfig.json b/.tsconfig.json
new file mode 100644
index 0000000..c5369ea
--- /dev/null
+++ b/.tsconfig.json
@@ -0,0 +1,4 @@
+{
+  "files": [],
+  "references": []
+}
diff --git a/.tsconfig.test.json b/.tsconfig.test.json
new file mode 100644
index 0000000..af56bfc
--- /dev/null
+++ b/.tsconfig.test.json
@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.base.json",
+  "files": [],
+  "include": ["./typings/**/*.d.ts"],
+  "references": []
+}
diff --git a/package.json b/package.json
index a2fb525..df92c8a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,92 @@
 {
-  "name": "root",
+  "description": "Root repository for the harmony-sdk-core",
   "private": true,
+  "workspaces": [
+    "packages/*"
+  ],
+  "scripts": {
+    "bootstrap": "lerna bootstrap && yarn build",
+    "build": "yarn build:proto && yarn build:ts",
+    "build:ts": "tsc -b tsconfig.json",
+    "bundle": "ts-node -P scripts/tsconfig.json scripts/bundle.ts umd,esm",
+    "clean": "lerna clean --yes && lerna run clean && rimraf includes",
+    "schema": "ts-node -P scripts/tsconfig.json scripts/schema.ts core",
+    "test": "cross-env TEST_ENV=unit jest -c jest.config.js --rootDir=.",
+    "test:build": "cross-env TEST_ENV=unit jest -c jest.build.config.js",
+    "test:integration": "cross-env TEST_ENV=integration jest -c jest.iconfig.js --runInBand --verbose --collectCoverage=false",
+    "release": "yarn bootstrap && yarn bundle && lerna publish --exact",
+    "format": "prettier --write '**/*.{ts,tsx,js}' --config .prettierrc"
+  },
   "devDependencies": {
-    "lerna": "^3.2.1"
+    "@babel/cli": "^7.0.0-beta.56",
+    "@babel/core": "7.0.0-beta.54",
+    "@babel/plugin-proposal-class-properties": "7.0.0-beta.54",
+    "@babel/plugin-proposal-decorators": "7.0.0-beta.54",
+    "@babel/plugin-proposal-do-expressions": "7.0.0-beta.54",
+    "@babel/plugin-proposal-export-default-from": "7.0.0-beta.54",
+    "@babel/plugin-proposal-export-namespace-from": "7.0.0-beta.54",
+    "@babel/plugin-proposal-function-sent": "7.0.0-beta.54",
+    "@babel/plugin-proposal-json-strings": "7.0.0-beta.54",
+    "@babel/plugin-proposal-logical-assignment-operators": "7.0.0-beta.54",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.0.0-beta.54",
+    "@babel/plugin-proposal-numeric-separator": "7.0.0-beta.54",
+    "@babel/plugin-proposal-optional-chaining": "7.0.0-beta.54",
+    "@babel/plugin-proposal-pipeline-operator": "7.0.0-beta.54",
+    "@babel/plugin-proposal-throw-expressions": "7.0.0-beta.54",
+    "@babel/plugin-syntax-dynamic-import": "7.0.0-beta.54",
+    "@babel/plugin-syntax-import-meta": "7.0.0-beta.54",
+    "@babel/plugin-transform-runtime": "^7.0.0-beta.56",
+    "@babel/polyfill": "7.0.0-beta.54",
+    "@babel/preset-env": "7.0.0-beta.54",
+    "@babel/preset-typescript": "^7.0.0-beta.56",
+    "@babel/runtime": "^7.0.0-beta.56",
+    "@trust/webcrypto": "^0.9.2",
+    "@types/bn.js": "^4.11.3",
+    "@types/camelcase": "^4.1.0",
+    "@types/fancy-log": "^1.3.0",
+    "@types/glob": "^7.1.1",
+    "@types/glob-parent": "^3.1.0",
+    "@types/jest": "^23.3.1",
+    "@types/jest-json-schema": "^1.2.0",
+    "@types/node": "^10.5.6",
+    "@types/uuid": "^3.4.4",
+    "@types/valid-url": "^1.0.2",
+    "@types/webpack": "^4.4.17",
+    "babel-core": "^7.0.0-bridge.0",
+    "babel-jest": "^23.4.2",
+    "babel-loader": "^8.0.0-beta.0",
+    "babel-plugin-transform-remove-console": "^6.9.4",
+    "camelcase": "^5.0.0",
+    "cross-env": "^5.2.0",
+    "dotenv": "^6.0.0",
+    "fancy-log": "^1.3.2",
+    "glob": "^7.1.3",
+    "glob-parent": "^3.1.0",
+    "husky": "^1.1.2",
+    "jest": "^23.4.2",
+    "jest-fetch-mock": "^1.6.6",
+    "jest-json-schema": "^2.0.1",
+    "jest-watch-typeahead": "^0.2.0",
+    "lerna": "^3.4.0",
+    "mkdirp": "^0.5.1",
+    "prettier": "^1.14.3",
+    "pretty-quick": "^1.8.0",
+    "protobufjs": "^6.8.8",
+    "rimraf": "^2.6.2",
+    "rollup": "^0.66.6",
+    "rollup-plugin-alias": "^1.4.0",
+    "rollup-plugin-commonjs": "^9.2.0",
+    "rollup-plugin-json": "^3.1.0",
+    "rollup-plugin-node-globals": "^1.4.0",
+    "rollup-plugin-node-resolve": "^3.4.0",
+    "rollup-plugin-typescript2": "^0.17.1",
+    "ts-jest": "^23.1.3",
+    "ts-node": "^7.0.1",
+    "tslint": "^5.11.0",
+    "tslint-config-prettier": "^1.15.0",
+    "typescript": "^3.2",
+    "typescript-json-schema": "^0.32.0",
+    "webpack": "^4.20.2",
+    "webpack-command": "^0.4.1"
   }
 }
diff --git a/tslint.json b/tslint.json
new file mode 100644
index 0000000..c27bf70
--- /dev/null
+++ b/tslint.json
@@ -0,0 +1,23 @@
+{
+  "extends": ["tslint:latest", "tslint-config-prettier"],
+  "rules": {
+    "interface-name": [true, "never-prefix"],
+    "member-access": false,
+    "no-angle-bracket-type-assertion": false,
+    "no-bitwise": false,
+    "no-console": false,
+    "no-default-export": true,
+    "no-empty-interface": false,
+    "no-implicit-dependencies": true,
+    "no-submodule-imports": false,
+    "ordered-imports": [false],
+    "object-literal-sort-keys": false,
+    "object-literal-key-quotes": [true, "as-needed"],
+    "quotemark": [true, "single"],
+    "semicolon": [true, "always", "ignore-bound-class-methods"],
+    "jsx-boolean-value": false
+  },
+  "linterOptions": {
+    "exclude": ["config/**/*.js", "node_modules/**/*.ts"]
+  }
+}