diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9345046cdc5..dfcacb10598 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -317,3 +317,4 @@ Released with 1.0.0-beta.37 code base.
 
 - Remove `notImplemented` flag from ETH2 Beacon Chain package methods schema
 - Fixed mutation of inputs to encoding and decoding functions (#3748)
+- Rename `web3-eth2-base` to `web3-eth2-core` and `web3-eth2-beacon` to `web3-eth2-beaconchain`
diff --git a/packages/web3-eth2-beacon/.babelrc b/packages/web3-eth2-beaconchain/.babelrc
similarity index 100%
rename from packages/web3-eth2-beacon/.babelrc
rename to packages/web3-eth2-beaconchain/.babelrc
diff --git a/packages/web3-eth2-beacon/Makefile b/packages/web3-eth2-beaconchain/Makefile
similarity index 100%
rename from packages/web3-eth2-beacon/Makefile
rename to packages/web3-eth2-beaconchain/Makefile
diff --git a/packages/web3-eth2-base/jest.config.js b/packages/web3-eth2-beaconchain/jest.config.js
similarity index 100%
rename from packages/web3-eth2-base/jest.config.js
rename to packages/web3-eth2-beaconchain/jest.config.js
diff --git a/packages/web3-eth2-beacon/package-lock.json b/packages/web3-eth2-beaconchain/package-lock.json
similarity index 100%
rename from packages/web3-eth2-beacon/package-lock.json
rename to packages/web3-eth2-beaconchain/package-lock.json
diff --git a/packages/web3-eth2-beacon/package.json b/packages/web3-eth2-beaconchain/package.json
similarity index 88%
rename from packages/web3-eth2-beacon/package.json
rename to packages/web3-eth2-beaconchain/package.json
index e208e25b295..f25f8416ffb 100644
--- a/packages/web3-eth2-beacon/package.json
+++ b/packages/web3-eth2-beaconchain/package.json
@@ -1,8 +1,8 @@
 {
-    "name": "web3-eth2-beacon",
+    "name": "web3-eth2-beaconchain",
     "version": "1.3.0",
     "description": "Web3 ETH2 Beacon chain API wrappers.",
-    "repository": "https://github.com/ethereum/web3.js/tree/1.x/packages/web3-eth2-beacon",
+    "repository": "https://github.com/ethereum/web3.js/tree/1.x/packages/web3-eth2-beaconchain",
     "license": "LGPL-3.0",
     "engines": {
         "node": ">=8.0.0"
@@ -15,7 +15,7 @@
     },
     "main": "lib/index.js",
     "dependencies": {
-        "web3-eth2-base": "^1.3.0"
+        "web3-eth2-core": "^1.3.0"
     },
     "devDependencies": {
         "@chainsafe/lodestar-types": "^0.11.0",
diff --git a/packages/web3-eth2-beacon/src/index.ts b/packages/web3-eth2-beaconchain/src/index.ts
similarity index 65%
rename from packages/web3-eth2-beacon/src/index.ts
rename to packages/web3-eth2-beaconchain/src/index.ts
index 5161a134177..7859a21ddc1 100644
--- a/packages/web3-eth2-beacon/src/index.ts
+++ b/packages/web3-eth2-beaconchain/src/index.ts
@@ -1,15 +1,15 @@
 // @ts-ignore - types not full implemented yet
-import { ETH2Base } from 'web3-eth2-base'
+import { ETH2Core } from 'web3-eth2-core'
 import { DefaultSchema } from './schema'
 
-import { IETH2Beacon } from '../types/index'
+import { IETH2BeaconChain } from '../types/index'
 // @ts-ignore - types not full implemented yet
 import { IBaseAPISchema } from 'web3-eth2-core'
 // @ts-ignore - types not full implemented yet
 import { ETH2BaseOpts } from 'web3-eth2-core'
 
-// @ts-ignore - ETH2Beacon incorrectly implements interface IETH2Beacon
-export class ETH2Beacon extends ETH2Base implements IETH2Beacon {
+// @ts-ignore - ETH2BeaconChain incorrectly implements interface IETH2BeaconChain
+export class ETH2BeaconChain extends ETH2Core implements IETH2BeaconChain {
     constructor(
         provider: string,
         schema: IBaseAPISchema = DefaultSchema,
diff --git a/packages/web3-eth2-beacon/src/schema.ts b/packages/web3-eth2-beaconchain/src/schema.ts
similarity index 98%
rename from packages/web3-eth2-beacon/src/schema.ts
rename to packages/web3-eth2-beaconchain/src/schema.ts
index 5a21126e62a..5e63aabe1a0 100644
--- a/packages/web3-eth2-beacon/src/schema.ts
+++ b/packages/web3-eth2-beaconchain/src/schema.ts
@@ -1,7 +1,7 @@
-import { IBaseAPISchema } from '../../web3-eth2-base/src/schema'
+import { IBaseAPISchema } from '../../web3-eth2-core/src/schema'
 
 export const DefaultSchema: IBaseAPISchema = {
-    packageName: 'eth2-beacon',
+    packageName: 'eth2-beaconchain',
     routePrefix: '/eth/v1/beacon/',
     methods: [
         {
diff --git a/packages/web3-eth2-beacon/test/axiosMock.ts b/packages/web3-eth2-beaconchain/test/axiosMock.ts
similarity index 100%
rename from packages/web3-eth2-beacon/test/axiosMock.ts
rename to packages/web3-eth2-beaconchain/test/axiosMock.ts
diff --git a/packages/web3-eth2-beacon/test/constructor.test.ts b/packages/web3-eth2-beaconchain/test/constructor.test.ts
similarity index 72%
rename from packages/web3-eth2-beacon/test/constructor.test.ts
rename to packages/web3-eth2-beaconchain/test/constructor.test.ts
index af42b58c78a..2ccc4ac2f7c 100644
--- a/packages/web3-eth2-beacon/test/constructor.test.ts
+++ b/packages/web3-eth2-beaconchain/test/constructor.test.ts
@@ -1,13 +1,13 @@
-import { ETH2Beacon } from '../src/index'
+import { ETH2BeaconChain } from '../src/index'
 
 const provider = 'http://127.0.0.1:9596'
 const providerSuffix = '/eth/v1/beacon/'
 
 it('constructs a ETH2BeaconChain instance with expected properties', () => {
-    const eth2BeaconChain = new ETH2Beacon(provider)
+    const eth2BeaconChain = new ETH2BeaconChain(provider)
 
     // @ts-ignore - types not full implemented yet
-    expect(eth2BeaconChain.name).toBe('eth2-beacon')
+    expect(eth2BeaconChain.name).toBe('eth2-beaconchain')
     // @ts-ignore - types not full implemented yet
     expect(eth2BeaconChain.provider).toBe(`${provider}${providerSuffix}`)
     // @ts-ignore - types not full implemented yet
diff --git a/packages/web3-eth2-beacon/test/schemaMethods.test.ts b/packages/web3-eth2-beaconchain/test/schemaMethods.test.ts
similarity index 99%
rename from packages/web3-eth2-beacon/test/schemaMethods.test.ts
rename to packages/web3-eth2-beaconchain/test/schemaMethods.test.ts
index 9b2d9e0fc75..6df3f5c55f1 100644
--- a/packages/web3-eth2-beacon/test/schemaMethods.test.ts
+++ b/packages/web3-eth2-beaconchain/test/schemaMethods.test.ts
@@ -1,4 +1,4 @@
-import { ETH2Beacon } from '../src/index'
+import { ETH2BeaconChain } from '../src/index'
 
 // Jest doesn't have a native method to test if value is boolean
 expect.extend({
@@ -18,7 +18,7 @@ let eth2BeaconChain: any // should be ETH2BeaconChain but types aren't implement
 beforeAll(() => {
     // const provider = 'http://127.0.0.1:9596' // default port for Lodestar
     const provider = 'http://127.0.0.1:5052' // default port for Lighthouse
-    eth2BeaconChain = new ETH2Beacon(provider)
+    eth2BeaconChain = new ETH2BeaconChain(provider)
 })
 
 it('getGenesis', async () => {
diff --git a/packages/web3-eth2-beacon/tsconfig.json b/packages/web3-eth2-beaconchain/tsconfig.json
similarity index 100%
rename from packages/web3-eth2-beacon/tsconfig.json
rename to packages/web3-eth2-beaconchain/tsconfig.json
diff --git a/packages/web3-eth2-beacon/types/index.d.ts b/packages/web3-eth2-beaconchain/types/index.d.ts
similarity index 77%
rename from packages/web3-eth2-beacon/types/index.d.ts
rename to packages/web3-eth2-beaconchain/types/index.d.ts
index faed63b576f..51356bca690 100644
--- a/packages/web3-eth2-beacon/types/index.d.ts
+++ b/packages/web3-eth2-beaconchain/types/index.d.ts
@@ -1,6 +1,6 @@
 import { Genesis } from '@chainsafe/lodestar-types'
 
-export interface IETH2Beacon {
+export interface IETH2BeaconChain {
   getGenesis(): Promise<Genesis>
   getBlockHeader(): Promise<any>
 }
diff --git a/packages/web3-eth2-beacon/types/tsconfig.json b/packages/web3-eth2-beaconchain/types/tsconfig.json
similarity index 89%
rename from packages/web3-eth2-beacon/types/tsconfig.json
rename to packages/web3-eth2-beaconchain/types/tsconfig.json
index a2ddfaad631..812242a77b5 100644
--- a/packages/web3-eth2-beacon/types/tsconfig.json
+++ b/packages/web3-eth2-beaconchain/types/tsconfig.json
@@ -11,7 +11,7 @@
         "allowSyntheticDefaultImports": false,
         "baseUrl": ".",
         "paths": {
-            "web3-eth2-beacon": ["."]
+            "web3-eth2-beaconchain": ["."]
         }
     }
 }
diff --git a/packages/web3-eth2-beacon/types/tslint.json b/packages/web3-eth2-beaconchain/types/tslint.json
similarity index 100%
rename from packages/web3-eth2-beacon/types/tslint.json
rename to packages/web3-eth2-beaconchain/types/tslint.json
diff --git a/packages/web3-eth2-beacon/jest.config.js b/packages/web3-eth2-core/jest.config.js
similarity index 100%
rename from packages/web3-eth2-beacon/jest.config.js
rename to packages/web3-eth2-core/jest.config.js
diff --git a/packages/web3-eth2-base/package-lock.json b/packages/web3-eth2-core/package-lock.json
similarity index 100%
rename from packages/web3-eth2-base/package-lock.json
rename to packages/web3-eth2-core/package-lock.json
diff --git a/packages/web3-eth2-base/package.json b/packages/web3-eth2-core/package.json
similarity index 85%
rename from packages/web3-eth2-base/package.json
rename to packages/web3-eth2-core/package.json
index 34841f00f4a..5b78115d8d8 100644
--- a/packages/web3-eth2-base/package.json
+++ b/packages/web3-eth2-core/package.json
@@ -1,8 +1,8 @@
 {
-    "name": "web3-eth2-base",
+    "name": "web3-eth2-core",
     "version": "1.3.0",
-    "description": "Web3 ETH2 base tools for sub-packages. This is an internal package.",
-    "repository": "https://github.com/ethereum/web3.js/tree/1.x/packages/web3-eth2-base",
+    "description": "Web3 ETH2 core tools for sub-packages. This is an internal package.",
+    "repository": "https://github.com/ethereum/web3.js/tree/1.x/packages/web3-eth2-core",
     "license": "LGPL-3.0",
     "engines": {
         "node": ">=8.0.0"
diff --git a/packages/web3-eth2-base/src/index.ts b/packages/web3-eth2-core/src/index.ts
similarity index 97%
rename from packages/web3-eth2-base/src/index.ts
rename to packages/web3-eth2-core/src/index.ts
index 800cf7a8a88..921b03bd370 100644
--- a/packages/web3-eth2-base/src/index.ts
+++ b/packages/web3-eth2-core/src/index.ts
@@ -5,7 +5,7 @@ Axios.defaults.adapter = require('axios/lib/adapters/http');
 import { ETH2BaseOpts, ETH2Function } from '../types/index'
 import { IBaseAPISchema } from './schema'
 
-export class ETH2Base {
+export class ETH2Core {
     private _httpClient: AxiosInstance
 
     [ key: string ]: ETH2Function | any;
@@ -37,7 +37,7 @@ export class ETH2Base {
                 throw new Error(`Invalid HTTP(S) provider: ${provider}`)
             }
 
-            this._httpClient = ETH2Base.createHttpClient(provider)
+            this._httpClient = ETH2Core.createHttpClient(provider)
             this.provider = provider
         } catch (error) {
             throw new Error(`Failed to set provider: ${error.message}`)
diff --git a/packages/web3-eth2-base/src/schema.ts b/packages/web3-eth2-core/src/schema.ts
similarity index 100%
rename from packages/web3-eth2-base/src/schema.ts
rename to packages/web3-eth2-core/src/schema.ts
diff --git a/packages/web3-eth2-base/test/constructor.test.ts b/packages/web3-eth2-core/test/constructor.test.ts
similarity index 87%
rename from packages/web3-eth2-base/test/constructor.test.ts
rename to packages/web3-eth2-core/test/constructor.test.ts
index 230450fbdc7..598a49faebb 100644
--- a/packages/web3-eth2-base/test/constructor.test.ts
+++ b/packages/web3-eth2-core/test/constructor.test.ts
@@ -1,4 +1,4 @@
-import { ETH2Base } from '../src/index'
+import { ETH2Core } from '../src/index'
 
 const provider = 'http://127.0.0.1:9596'
 const testAPISchema = {
@@ -18,7 +18,7 @@ const testAPISchema = {
 }
 
 it('constructs a ETH2Core instance with expected properties', () => {
-    const eth2Core = new ETH2Base(provider, testAPISchema, { protectProvider: true })
+    const eth2Core = new ETH2Core(provider, testAPISchema, { protectProvider: true })
 
     expect(eth2Core.name).toBe(testAPISchema.packageName)
     expect(eth2Core.provider).toBe(`${provider}${testAPISchema.routePrefix}`)
diff --git a/packages/web3-eth2-base/test/routeBuild.test.ts b/packages/web3-eth2-core/test/routeBuild.test.ts
similarity index 96%
rename from packages/web3-eth2-base/test/routeBuild.test.ts
rename to packages/web3-eth2-core/test/routeBuild.test.ts
index 163a608678e..829dc4d7cb2 100644
--- a/packages/web3-eth2-base/test/routeBuild.test.ts
+++ b/packages/web3-eth2-core/test/routeBuild.test.ts
@@ -1,4 +1,4 @@
-import { ETH2Base } from '../src/index'
+import { ETH2Core } from '../src/index'
 
 const provider = 'http://127.0.0.1:9596'
 const testAPISchema = {
@@ -38,7 +38,7 @@ const testAPISchema = {
 let eth2Core
 
 beforeAll(() => {
-    eth2Core = new ETH2Base(provider, testAPISchema, { protectProvider: true })
+    eth2Core = new ETH2Core(provider, testAPISchema, { protectProvider: true })
 })
 
 it('Should build expectedComputedRoute with 1 parameter', () => {
diff --git a/packages/web3-eth2-base/tsconfig.json b/packages/web3-eth2-core/tsconfig.json
similarity index 100%
rename from packages/web3-eth2-base/tsconfig.json
rename to packages/web3-eth2-core/tsconfig.json
diff --git a/packages/web3-eth2-base/types/index.d.ts b/packages/web3-eth2-core/types/index.d.ts
similarity index 100%
rename from packages/web3-eth2-base/types/index.d.ts
rename to packages/web3-eth2-core/types/index.d.ts
diff --git a/packages/web3-eth2-base/types/tsconfig.json b/packages/web3-eth2-core/types/tsconfig.json
similarity index 91%
rename from packages/web3-eth2-base/types/tsconfig.json
rename to packages/web3-eth2-core/types/tsconfig.json
index aa8ba16ccdc..8515b4d84ea 100644
--- a/packages/web3-eth2-base/types/tsconfig.json
+++ b/packages/web3-eth2-core/types/tsconfig.json
@@ -11,7 +11,7 @@
         "allowSyntheticDefaultImports": false,
         "baseUrl": ".",
         "paths": {
-            "web3-eth2-base": ["."]
+            "web3-eth2-core": ["."]
         }
     }
 }
diff --git a/packages/web3-eth2-base/types/tslint.json b/packages/web3-eth2-core/types/tslint.json
similarity index 100%
rename from packages/web3-eth2-base/types/tslint.json
rename to packages/web3-eth2-core/types/tslint.json