You can accept Crypto Currencuies in your Magento store. To accept crypto payments in your Magento store, You have to follow below steps.
1. Install Coinremitter plugin in your store: You are watching this video now.
2. Setup wallet with your store:
3. Configure Wallet with payments:
Here are links mentioned below which helps you to install crypto (Bitcoin, Bitcoin Cash, Doge, Dash, USDT, Dash, Ethereum, Ripple, Litecoin) payment plugins in Opencart eCommerce Site.
You just need to install and setup coinremitter.com and Customer of your system can pay with crypto.