There is little danger to the economy from banks serving as custodians and transfer agents for cryptocurrencies. Nor do I think that investment firms that make investments in cryptocurrencies for their clients is a risk to the economy
No, I don't think so. That has been demonstrated again in the recent price collapse in crypto. While Bitcoin and other coins lost 20-30% in a very short period of time, it didn't have any impact on the stock markets at all. So there is no identifiable correlation and that makes crypto not a threat to the economy. And one trillion total market capitalization sounds like a lot, but in this day and age and in global comparison, these are still rather small sums.
Bitcoin is the platform that focuses on our economy and facing the question of the danger to the global economy, bitcoin cannot present an adequate pressure when as you say, a trillion is just a small number, want to influence the economy, this number cannot stop at a trillion, it needs to grow exponentially but the management of the economy will have a role to play in monitoring this system and preventing large-scale abuses. They don't care about our economy but they absolutely forbid the threat to the global international level