Bitcoin, Ethereum and Dogecoin Live chart updates each seconds. Working demo : https://bitcoin1second.netlify.app CHART LIB : TradingView Lightweight Charts https://www.tradingview.com/lightweight-charts/ DATA SOURCE : Binance Web Socket wss://stream.binance.com:9443/stream => SUBSCRIBE to {pair}@kline_{interval} USAGE : clone npm install npm run start