Starting a crypto exchange using a cryptocurrency exchange script can be a good or bad decision depending on various factors. On the one hand, using a script can save time, money and effort as it provides a pre-built framework to create a functional exchange. On the other hand, using a poorly made or outdated script can lead to security vulnerabilities and a lack of customization.

However, using a reliable and trusted cryptocurrency exchange script such as Bitdeal's Binance Clone Script can be an excellent way to start a crypto exchange platform like Binance. This script is fully customizable and comes with advanced features like multi-currency support, robust security measures, liquidity API integration, and more.

Moreover, Bitdeal provides excellent technical support and assistance in launching and running the exchange. Therefore, it is essential to do proper research and choose a reputable and reliable script provider like Bitdeal to ensure the success of the crypto exchange.