Most likely because it is quite a difficult task, and before you apply your blockchain in the project you need to debug it very well.
You right. AT first, we will use erc-20 tokens and in Q1 then mainnet will be checked and start we will exchange erc-20 tokens 1:1.
Thank you for confirming the correctness of my guess. It's good that you are serious about the business and insure your project from various surprises.