Web3 Powered Telephony Protocol

Bridging 5 Billion Mobile Subscribers Using SMS and Voice Into Secure Communications With The World's First Web3 Mobile Number


Your Web3 Mobile Number

Web3 Native Messaging That Bridges to 5 Billion Mobile Numbers!

Start With 3NUM For Free
Background color showcasing the 3NUM Messenger
3NUM Messenger supporting trusted Web3 and Web2 messaging with 3NUM Shield, the world's first Web3 Mobile Number

What is 3NUM?

We developed the world's first globally routable web3 mobile number, called a 3NUM Shield bridging 5 billion mobile subscribers into secure and trusted web3 communications!


Web3 Native

Encrypted Communications

3NUM powers end-end encrypted voice and messaging between Web3 addresses while bridging to over 5 Billion mobile subscribers*.

3NUM supports Web3 native features including crypto payments and more! 

*Full Decentralized E2EE Voice and Messaging launching 2025

Privacy First

Anonymous Web3 Mobile Number

3NUM's Web3 Mobile Numbers are anonymous and are never made public

No SIM Swaps

With 3NUM Shield

Custody your mobile number the same way you custody your crypto and stay protected against SIM Swaps

Phone Calls & SMS

From Web3

3NUM Web3 Mobile Numbers are globally routable allowing users to stay connected with existing phone contacts

*Voice services will be accessible in Mid 2024

Trusted Communications

With The 3NUM App

With built in spam and phishing prevention, 3NUM delivers a trusted communication experience free from annoying and dangerous SMS spam

Connect With WiFi or Data

Start Messaging Now!

Ditch your expensive, antiquated phone plan and stay connected to your contacts anywhere you have WiFi or Data!

Connect With WiFi
Data eSIM's Coming Soon

Say hello with 3NUM


Get started with 3NUM on your terms by purchasing a Web3 Mobile Number in crypto to custody with a external wallet of your choice, or pay in fiat through the Speak.3Z app - the preferred client powered by the 3NUM Protocol! 

Pay in Crypto

.015 Eth/Year

Get your 3num shield

Custody Your Web3 Mobile Number With An External Wallet

Use your existing ENS Name

Unlimited Voice and Messaging That Renews Annually!

Pay In Fiat

Monthly or Annually

Available With Speak.3z

Pay on your terms with Monthly and Annual plan options

Off-chain mints with CCIP

Personalize your communications by claiming a free web3 username

Example of a 3NUM Shield- the worlds first Web3 Mobile Number
Web3 Mobile Number

3NUM Shields are the worlds first web3 mobile number created by transforming a +1 globally routable mobile number into a blockchain secured messaging identifier

Get your 3NUM Shield Now

Only .015 Eth

Renews Annually

Additional Benefits:

No-Dox Number

3NUM Shields are purchased with crypto and require zero kyc info, meaning they can be used as a trusted, no-dox number for popular anywhere a phone number is needed!

No SIM Swaps

3NUM Shields are controlled by your wallet and do not rely on SIM cards. 3NUM Shields cannot be ported preventing all risks of a SIM Swap

Shielded Numbers

The underlying number of a 3NUM Shield is never made public. Instead, it is hashed and used as the tokenID during the minting process.

Wallet Secured SMS 2FA*

3NUM Shields are solely controlled by a users wallet and are protected against SIM SWaps. This means SMS 2FA codes sent to a 3NUM Shield can only be accessed by controlling the private key that owns your 3NUM Shield.
*Available for certain websites

End-End Encrypted Communications*

Conversations between web3 addresses run over a decentralized E2EE messaging protocol* 3NUM is composable meaning it can support multiple encrypted messaging protocols.

*E2EE Voice and Messaging launching Mid 2024

Decentralized Telephony Gateway

The 3NUM Protocol stack includes a decentralized telephony gateway that bridges 5 billion traditional mobile numbers to 3NUM Shields.

Voice and SMS Support

3NUM Shield users can access traditional SMS and voice services via the the Telephony Gateway supported by the 3NUM Protocol

Powered By The 3NUM Protocol

Speak.3Z is the dedicated communication app powered by the 3NUM Protocol, allowing users to seamlessly use their Web3 Mobile Number with family and friends! Available on iOS and Android

People Are Saying...

Backed By:

BlueYard Capital
Notation Capital
Acequia Capital Logo
Logo for A100x Venture Fund

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