# What Is Push Protocol ($PUSH), previously Ethereum Push Notification Service?

The [Push Protocol](http://push.org/), previously Ethereum Push Notification Service or EPNS, is the communication protocol of web3. Push protocol enables cross-chain notifications and messaging for [dapps](https://coinmarketcap.com/alexandria/glossary/decentralized-applications-dapps), wallets, and services tied to wallet addresses in an open, gasless, and platform agnostic fashion. The open communication layer allows any crypto wallet / frontend to tap into the network and get the communication across.

Since its launch in January 2022, Push has powered over 17 million decentralized notifications to over 60,000 subscribers and counting, becoming the de facto communication layer for web3.

## Who Are the Founders of Push Protocol?

Harsh Rajat and Richa Joshi founded Push Protocol. 

Harsh Rajat is the founder and chief technology officer of Push Protocol. Harsh has been a decentralization advocate since 2015. Prior to Push, he was chief technology officer in his previous firms.

Richa Joshi is a consulting veteran turned startup founder. Before co-founding Push, she was a senior consultant at Deloitte Consulting.


### What Makes Ethereum Push Notification Service Unique?

For web3, a notification mechanism that can notify users or wallet addresses of important updates, events, actions and so on, does not exist yet. As a result of this lack, a lot of important events or required user actions end up being missed completely: for example, the expiration of ENS blockchain domains is inefficiently broadcast on Twitter, with the hopes that the grace domain user potentially reads about their domain’s expiry. If a protocol gets compromised, people have to look for other methods (besides the now-compromised protocol) through which they can notify the users. 

Push tries to solve this with its push notification service.

To do this efficiently, the notification is stored and treated like a JSON payload, and this is transformed as per the rules of the different carriers when the notification ends up reaching them. The JSON payload can differ with payload types, and this ensures the flexibility of the content, as well as the data, storage interpretation and delivery.

What this means is that Push can allow users to be in direct, full control of what services they end up getting notifications from, and impose rules on the services, which includes spam protection for users, and limits for Push ability to add wallets as subscribers. This means that notifications are treated as a social feed rather than a piece of information.

There are four types of users: service providers, which want to send notifications, users, who want to receive notifications if they deem them to be beneficial, wallets enable users to receive notifications through their centralized or decentralized solutions, and token holders, who can define the rules between the above users. 


#### Related Pages: 

Learn about[ Quantstamp](https://coinmarketcap.com/currencies/quantstamp/).

Learn about[ Steem](https://coinmarketcap.com/currencies/steem/).

Learn about c[rypto ETFs on CMC Alexandria](https://coinmarketcap.com/alexandria/categories/crypto-basics).

Get a deeper dive into the world of cryptocurrencies on the[ CoinMarketCap blog](https://coinmarketcap.com/alexandria/categories/blog).


## How Many Ethereum Push Notification Service (PUSH) Coins Are There in Circulation?

The protocol’s token PUSH is designed to incentivize the continued adoption cycle of the Push protocol. In order to achieve this, users that are involved are rewarded through either an incentive or a penalty. Their continued involvement is a necessity for the growth as well as the adoption of the protocol, and to achieve the vision of becoming a Web 3.0 notification standard.


### How Is the Ethereum Push Notification Service Network Secured?

The Ethereum Push Notification Service Network will use Eth-Crypto to handle the secure verification process. This is a cryptographic JavaScript-function enabler for [Ethereum](https://coinmarketcap.com/currencies/ethereum/). 


## Where Can You Buy Ethereum Push Notification Service (PUSH)? 

If you want to buy, sell or trade Ethereum Push Notification Service (PUSH), you can do so on the following exchange:

[Polkastarter](https://coinmarketcap.com/currencies/polkastarter/)

Take the first step towards learning everything you need to know about buying, selling or trading cryptocurrencies, check out our Bitcoin guide[ here](https://coinmarketcap.com/how-to-buy-bitcoin/),

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