Sui Name Service is building the next-generation of Identity Services on the Sui blockchain

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Sui is a Layer 1 protocol blockchain designed as the first internet-scale programmable blockchain platform.

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Supra connect multiple innovations into architecture that vertically integrates MultiVM smart contract support and native services: such as price feed oracles, on-chain randomness, cross-chain communications, and automation.

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- What are the key features of **Supra Blockchain's** architecture? 
- How does it differ from other blockchain architectures?![](https://ipfs-cdn.testpeeranha.io/QmZvBGbxBErt5CZxfG7goVLjbku7i8bT3VD9JKoQgetYz9)

What are the key features of Supra Blockchain's architecture?

Supra Blockchain is emerging as a significant force in the ever-evolving world of decentralized technologies, focusing on delivering high-performance solutions that cater to complex application needs. By integrating robust features designed for scalability, security, and interoperability, Supra is reshaping how developers approach blockchain development.

A hallmark of Supra is its MultiVM support, which allows developers to deploy smart contracts written in multiple programming languages. This versatility reduces barriers for entry and encourages broader participation in the blockchain ecosystem, enabling both novice and experienced developers to build innovative applications more efficiently.

Supra Blockchain: Leading the Charge in Decentralized Innovation

Building and Optimizing AI Knowledge Bases

# Supra WebSocket API
WebSocket API streams price feeds data real time.  Users can configure the query based on the preferred resolution to receive OHLC( Open price, High Price, Low Price,  Close price). data required to build candlestick charts.

> Important: Please make sure you read and understand Terms of Use before start using Supra products and services.

### WebSocket Connection URL
WebSocket connection should be established to the above URL to start receiving real-time data.

Endpoint URL

wss://prod-kline-ws.supra.com

## Message Payload Structure
To initiate a subscription to the data feed, a message is sent to the WebSocket server. The message must be in the following JSON format:


```
{
  "action": "subscribe",
  "channels": [
    {
      "name": "ohlc_datafeed",
      "resolution": 5,
      "dataPairs": ["btc_usd"]
    }
  ]
}
```

Parameters
action: "subscribe" :  This field tells the server that the client is subscribing to a data channel.

channels: This is an array of channel configurations to which the client wishes to subscribe. Each channel has the following parameters:

name: "ohlc_datafeed" This refers to the data feed channel for receiving historical open/close/low data updates.

resolution: 5 
This is the resolution (in minutes) at which data updates will be delivered. A value of 5 means the server will send ohlc (Open price, High price, Low price, close price)  updates every 5 minutes. Changing this value will adjust the resolution of updates. 
Example:  1 =1 minute resolution(bar),  5=5 minutes resolution(bar)

dataPairs:

A list of data pairs to subscribe to. This can include single or multiple pairs:

  Single pair: ["btc_usd"] – Subscribes to the Bitcoin to USD data feed.

  Multiple pairs: ["btc_usdt", "eth_usdt"] – Subscribes to multiple data pairs.

Example:

  Single pair subscription:  "dataPairs": ["btc_usd"]

  Multiple pairs subscription: "dataPairs”: ["btc_usd", "eth_usd",btc_usdt"]

## Response Data structure
Once the subscription is successful, the server will respond with data at the specified frequency. The format of the response for each update is as follows: 

Example Response


```
{
  "event": "ohlc_datafeed",
  "payload": [
	{
  	"time": "1732081150000",
  	"timestamp": "2024-11-20 05:39:10",
  	"open": "92420.15",
  	"high": "92420.15",
  	"low": "92412.3",
  	"close": "92412.3",
  	"dataPair": "btc_usd",
  	"currentPrice": 92412.3
	}
  ]
}
```

Response Parameters
event: "ohlc_datafeed" 
This indicates the type of event for which data is being sent, which is the historical open/high/low/close data feed.

payload: 
This is an array of data objects representing updates for the subscribed data pair(s). Each object contains:

time: 1732081150000
The time in Unix timestamp format (milliseconds). It represents when the data was recorded.

timestamp: "2024-11-20 05:39:10" 
The human-readable timestamp for the data point.

open: "92420.15" 
The opening price for the given time period.

high: "92420.15" 
The highest price during the time period.

low: "92412.3" 
The lowest price during the time period.

close: "92412.3" 
The closing price for the given time period

dataPair: "btc_usd" 
The data pair for which this data is provided.

currentPrice: 92412.3 
The most recent price of the data pair at the time of data transmission.

Time resolution of updates

Time resolution parameter  in the subscription message determines how often data will be sent. For instance:

If resolution is set to 5:
The server will send a data update every 5 seconds.

If resolution is set to 10:
The server will send a data update every 10 seconds.

Example: 

1.  Client Subscription
Client and sends the following subscription message to receive real-time ohlc (open price, high price, low price, close price) data updates every 5 minutes for the "btc_usdt" data pair:

```
{
  "action": "subscribe",
  "channels": [
    {
      "name": "hocl_datafeed",
      "resolution": 5,
      "dataPairs": ["btc_usdt"]
    }
  ]
}
```

 Server Response
After subscribing, the client will start receiving data every 5 minutes (based on the requested  resolution for  the "btc_usdt" data pair in the following format:


```
{
  "event": "ohlc_datafeed",
  "payload": [
    {
      "time": "1732081150000",
      "timestamp": "2024-11-20 05:39:10",
      "open": "92420.15",
      "high": "92420.15",
      "low": "92412.3",
      "close": "92412.3",
      "dataPair": "btc_usdt",
      "currentPrice": 92412.3
    }
  ]
}

```

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The hype and how it can transform the internet

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