Credit card investors can still ask for chargebacks from their banks, and it is still possible for some of those investments to be cancelled, resulting in less money from the ICO and less tokens to be created.

This is a real business, and the way they presented the situation in the last update shows that the Envion team is on track with everything and they are doing things in a professional manner instead of hurrying up just to appease investors who don't understand how a real business is run.