hmm.. i believe i had posted something about that a while back... but idk where it is and i dont wanna make u dig for it so this about sums up what i said.
Until an alternative to the traditional chain storage that is more disk oriented as opposed to RAM is created then the concept of cryptobank, while it does work, is infeasible with practical application. The amount of memory needed for each chain just stacks and it uses the same memory resources as running all the wallets individually on your computer. Most of my attempts to correct this problem did not work out as i had hoped.
This is due to all chains being loaded and stored the same way and not being able to be condensed with each other since they have 0 to do with each other data wise.
I had come to the conclusion to actually make it work, i would need to rewrite a lot of the chain storage, loading, and handling code myself. I never actually attempted this on the cryptobank project itself. although i am writing my own blockchain that is different from bitcoins in my spare time that addresses a lot of the issues i feel bitcoin has but also does other things. (basically how ETH made their own blockchain but it was different from bitcoins).
so as for right now. it is on hold. i havent been working on it for the past few months. i had been thinking about revisiting it recently but i am also helping launch a different crypto-platform and was morely focusing on that right now