# Feedback requested for Onboarding & Complex transaction flow

Hi [@fabrice](https://forum.algorand.co/u/fabrice) some time has passed since you helped me out in this thread. You mentioned back then that a new feature called Boxes will make the global storage unlimited and help with my specific use case. As I’ve seen, this feature meanwhile released! I wanted to clarify again for my escrow use case…

---

# Feedback requested for Onboarding & Complex transaction flow

First of all - Thank you very much for your feedback [@fabrice](https://forum.algorand.co/u/fabrice)! I really appreciate the support you bring to the forum with your knowledge and many replies. I’d like to ask you a few follow-up questions to your provided answers.

As you mentioned, creating accounts is rather easy and funding 10K ac…

---

# Feedback requested for Onboarding & Complex transaction flow

Hi there, This post is made out of 2 parts (Onboarding of new clients & complex transaction model) for which we need help with.

## Topic 1: Onboarding of new clients (10,000+ accounts)

We would like to set up accounts for our users where we opt-in USDC asset and then trustlessly assign them out vi…